US20070273871A1 - Portable target locator apparatus and method of use - Google Patents
Portable target locator apparatus and method of use Download PDFInfo
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- US20070273871A1 US20070273871A1 US11/304,930 US30493005A US2007273871A1 US 20070273871 A1 US20070273871 A1 US 20070273871A1 US 30493005 A US30493005 A US 30493005A US 2007273871 A1 US2007273871 A1 US 2007273871A1
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- target
- instructions
- location
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G3/00—Aiming or laying means
- F41G3/06—Aiming or laying means with rangefinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G3/00—Aiming or laying means
- F41G3/02—Aiming or laying means using an independent line of sight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/86—Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/003—Transmission of data between radar, sonar or lidar systems and remote stations
Definitions
- the present invention relates to target location devices and methods. More particularly, the invention relates to a portable target locator apparatus for determining a location of a target and for sending location information and other information to an unmanned vehicle so the vehicle can locate the target and perform operations in accordance with the transmitted information.
- the U.S. military increasingly relies on Close Air Support (CAS) to protect troops on the ground, especially when the troops are in close proximity to enemy forces or civilians.
- CAS Close Air Support
- Manned aircrafts are commonly used for CAS operations because pilots or other operators of the aircrafts can accurately determine the locations of desired targets through visual observation and can make ultimate firing decisions.
- Target location acquisition is often aided by one or more ground observers or “men in the loop” who locate desired targets and communicate target location information and firing suggestions to the operators of the CAS vehicles. Such ground observers also help limit fratricide.
- Portable target locator devices for use by ground observers have been developed to alleviate some of the above-described problems. However, most if not all of these devices are designed for use with manned aircraft and therefore require a pilot or other operator to make ultimate targeting and firing decisions.
- the present invention solves the above-described problems and provides a distinct advance in the art of target location devices and methods. More particularly, the present invention provides a portable target locator apparatus for use by a ground observer to provide information to an unmanned aircraft or other vehicle. The apparatus accurately determines the location of a target and transmits both target location information and firing instructions to the unmanned vehicle so the unmanned vehicle can locate the target and apply weaponry to the target based on the firing instructions.
- the present invention may also be used to locate non-military targets or objects such as fires, biohazards, chemical hazards, persons in need of rescue, and supply drop zones. In fact, the present invention has utility in any situation in which the mission or surrounding environment is too dangerous, tedious, and/or costly for a manned aircraft.
- One embodiment of the present invention comprises: optics for permitting a user to see a magnified view of a target or other object; a location determining component for determining a current location of the apparatus; a rangefinder for determining a range from the apparatus to the target; an Azimuth sensor for determining an Azimuth from the apparatus to the target; a processor coupled with the location determining component, the rangefinder and the Azimuth sensor for determining the location of the target; an input device operable by the user to input firing instructions, vehicle instructions or other instructions; and a transmitter for transmitting the location information and the firing instructions, vehicle instructions, or other instructions to the unmanned vehicle so the unmanned vehicle can locate the target and apply weaponry to the target or perform other operations based on the firing instructions or other instructions.
- FIG. 1 is a pictorial representation showing a user operating the portable locator apparatus of the present invention.
- FIG. 2 is a schematic diagram of a Global Positioning System (GPS) that may be used to implement certain aspects of the present invention.
- GPS Global Positioning System
- FIG. 3 is a block diagram illustrating some of the components of the portable locator apparatus.
- the apparatus 10 may be used by a ground observer 12 to determine a location of a target 14 and to send location information and instructions to an unmanned vehicle 16 so that the vehicle can locate the target 14 and apply weaponry or perform other operations in accordance with the instructions.
- the apparatus 10 is not limited to military uses and can be used in any situation in which a manned vehicle is not needed or desired.
- the apparatus 10 can be used to accurately determine the location of a fire, a biohazard, a chemical hazard, a person in need of rescue, a supply drop zone, or any other object and to communicate the location of the object along with other instructions to an unmanned vehicle so that the vehicle may perform one or more desired operations such as releasing a fire suppressant or biological or chemical remediation agent, rescuing a victim, etc.
- the present invention can be implemented in hardware, software, firmware, or a combination thereof.
- the invention is shown implemented with a portable target locator apparatus 10 broadly comprising optics 18 , a location determining component 20 , a rangefinder 22 , an Azimuth sensor 24 , an inclination sensor 26 , a processor 28 , input devices 30 , an optional display 32 , and a transmitter 34 , all housed within a portable, lightweight, handheld housing 36 .
- the optics 18 are preferably part of a pair of binoculars and include both a daytime monocular for permitting viewing of objects in relatively high light situations and an infrared (IR) night vision monocular for permitting viewing of objects in relatively low light situations. In this way, a user can look through either the daytime monocular or night vision monocular with one eye depending on the ambient light conditions.
- the optics 18 may include a pair of conventional monoculars or a pair of night vision monoculars so the apparatus is designed primarily for either daytime or nighttime use, respectively.
- the GPS system is implemented when a device specially equipped to receive GPS data begins scanning radio frequencies for GPS satellite signals. Upon receiving a radio signal from a GPS satellite, the device can determine the precise location of that satellite via one of different conventional methods. The device will continue scanning for signals until it has acquired at least three different satellite signals. Implementing geometrical triangulation, the receiver utilizes the three known positions to determine its own two-dimensional position relative to the satellites. Acquiring a fourth satellite signal will allow the receiving device to calculate its three-dimensional position by the same geometrical calculation. The positioning and velocity data can be updated in real time on a continuous basis by an unlimited number of users.
- GPS enabled devices are often used to describe navigational devices, it will be appreciated that satellites need not be used to determine a geographic position of a receiving unit since any receiving device capable of receiving the location from at least three transmitting locations can perform basic triangulation calculations to determine the relative position of the receiving device with respect to the transmitting locations.
- cellular towers or any customized transmitting radio frequency towers can be used instead of satellites.
- any standard geometric triangulation algorithm can be used to determine the exact location of the receiving unit. In this way, personal hand held devices, cell phones, intelligent appliances, intelligent apparel, and others can be readily located geographically, if appropriately equipped to be a receiving unit.
- FIG. 2 shows one representative view of a GPS denoted generally by reference numeral 38 .
- a plurality of satellites 40 are in orbit about the Earth 42 .
- the orbit of each satellite is not necessarily synchronous with the orbits of other satellites and, in fact, is likely asynchronous.
- a GPS receiver device such as the portable target locator apparatus 10 of the present invention is shown receiving spread spectrum GPS satellite signals from the satellites 40 .
- the spread spectrum signals continuously transmitted from each satellite 40 utilize a highly accurate frequency standard accomplished with an extremely accurate atomic clock.
- Each satellite 40 as part of its data signal transmission, transmits a data stream indicative of that particular satellite.
- the locator apparatus 10 must acquire spread spectrum GPS satellite signals from at least three satellites to calculate its two-dimensional position by triangulation. Acquisition of an additional signal, resulting in signals from a total of four satellites, permits the locator apparatus 10 to calculate its three-dimensional position.
- the location determining component 20 may include one or more processors, controllers, or other computing devices and memory for storing information accessed and/or generated by the processors or other computing devices. In addition to receiving navigational signals from the GPS satellites 40 and calculating a position of the locator apparatus 10 as a function of the signals, the location determining component 20 may also be operable to calculate a route to the target 14 or other location, provide instructions to navigate to the desired location, display maps and other information on the display screen, and to execute other functions described herein.
- the memory may store cartographic data and routing used by or generated by the location determining component's computing devices.
- the memory may be integral with the location determining component 20 , stand-alone memory, or a combination of both.
- the memory may include, for example, removable TransFlash cards.
- the location determining component 20 also includes an antenna 44 , which is preferably positioned within or on the housing 36 , to assist the location determining component in receiving signals.
- the antenna is preferably a GPS patch antenna or helical antenna but may be any other type of antenna that can be used with navigational devices.
- the antenna may be mounted directly on or in the housing or may be mounted external to the housing. The antenna is preferably protected from adverse conditions, such as those described above, by being entirely enclosed within the housing 36 .
- the rangefinder 22 is coupled with the processor 28 , and is preferably an integrated laser rangefinder.
- the rangefinder includes a transmitter for transmitting a short burst of laser energy toward the target 14 in a pulsed beam.
- the inputs 30 preferably include laser fire button or other manually activated trigger located on the housing 36 for triggering the transmission of the burst of energy.
- the rangefinder 22 also includes a sensor which detects the scatter of the transmitted laser energy when it impacts the target and a clock or timer for measuring the elapsed time between the initial transmission of the laser energy and the detection of the scatter. The elapsed time is then used to calculate the range of the target from the apparatus.
- the Azimuth sensor 24 is coupled with the processor 28 and is preferably an electronic compass or other device operable for detecting the Earth's magnetic field to determine the Azimuth between the apparatus 10 and the target 14 or other object viewed with the optics.
- the inclination sensor 26 is also coupled with the processor 28 and can be any device capable of detecting the angle of depression or elevation of the apparatus 10 when used to view the target 14 .
- the inclination sensor 26 may use a single sensing device or a cluster of sensing devices depending on the desired degree of accuracy.
- the processor 28 can be any computing device such as a microprocessor, microcontroller, application specific integrated circuit, etc. and is operable for receiving information from the GPS receiver 20 , the rangefinder 22 , the Azimuth sensor 24 , and the inclination sensor 26 and for determining the geographic coordinates or other location information of the viewed target 14 .
- the processor 28 may be coupled with external memory 46 or may be equipped with internal memory for temporarily storing the location information and other information such as the firing instructions or the vehicle instructions described below.
- the inputs 30 may include a selector switch, button or other device for permitting a user to input firing instructions for transmission to the unmanned vehicle 16 .
- a selector switch may permit a user to select firing instructions including strafing instructions, missile delivery instructions, photograph acquisition instructions, and/or reconnaissance instructions.
- the input device or devices may also be used to input vehicle instructions such as routing instructions, rescue instructions, fire suppressant release instructions, biohazard remediation instructions, and chemical hazard remediation instructions.
- the transmitter 34 is coupled with the processor 28 and is preferably a radio frequency transmitter or transceiver including an associated RF antenna 48 .
- the transmitter 34 is operable to transmit the location information, firing instructions, and/or vehicle instructions described above to the unmanned vehicle 16 .
- the inputs 30 may include a transmitter initiation button which can be pressed or otherwise operated to trigger the transmission of information to the unmanned vehicle.
- the display screen 32 is coupled with the processor 28 for displaying information such as an image of the target, the location of the apparatus, the location of the target, the range from the apparatus to the target, the Azimuth from the apparatus to the target, the inclination of the apparatus, the firing instructions, or the vehicle instructions.
- the display screen 32 is preferably an LCD display capable of displaying both text and graphical information.
- the display may also be backlit such that it may be viewed in the dark or other low-light environments.
- the apparatus 10 may also include a user identification device 50 for identifying a user to ensure that only authorized persons are able to operate the apparatus 10 .
- the user identification device 50 may include, for example, a retinal scanner, a fingerprint scanner, and/or a password program which permits operation only after the entry of an authorized password.
- the locator apparatus 10 also includes batteries and/or a solar cell for powering the processor and the other electrical components of the apparatus.
- the apparatus may include an electrical plug for connecting to an external source of power such as a conventional electrical outlet or external battery.
- the portable handheld housing 36 is preferably formed of lightweight, impact-resistant, waterproof plastic and is configured so that it can easily be held by a user to view a target or other object.
- the handheld housing is shaped similarly to a conventional pair of binoculars.
- a ground observer uses the locator apparatus 10 to view a target 14 or other object as depicted in FIG. 1 .
- the user may press the laser fire button to trigger the laser rangefinder 22 .
- the GPS receiver 20 determines the current location of the apparatus
- the Azimuth sensor 24 determines the Azimuth of the apparatus
- the inclination sensor 26 determines the inclination of the apparatus.
- the processor 28 calculates the geographic coordinates or other location information of the target 14 based on the range, the current location information, the Azimuth, and the inclination values.
- the user can operate the transmitter trigger button to initiate transmission of the location information to the unmanned vehicle 16 . If the user wishes to provide firing instructions, vehicle instructions, or other instructions to the unmanned vehicle, the user can enter these instructions before pressing the transmitter trigger button.
- the transmitted location information, firing instructions, and/or vehicle instructions are then received by a receiver or transceiver positioned on the unmanned vehicle 16 . Receipt of this information by the unmanned vehicle 16 triggers a software routine in the vehicle which causes the vehicle to fly a particular CAS profile, apply munitions on the target at the appropriate release point, or perform other functions in accordance with the firing instructions, vehicle instructions or other instructions.
- a ground observer may again use the locator apparatus 10 to view the effects of the air strike or other operation on the target 14 and to request additional air strikes or operations by the unmanned vehicle 16 if necessary.
- unmanned vehicle 16 is described and illustrated herein as being an unmanned aircraft, it may also be an unmanned tank, truck, robot, car, or any other autonomous or semi-autonomous vehicle or device.
Abstract
Description
- The present invention relates to target location devices and methods. More particularly, the invention relates to a portable target locator apparatus for determining a location of a target and for sending location information and other information to an unmanned vehicle so the vehicle can locate the target and perform operations in accordance with the transmitted information.
- The U.S. military increasingly relies on Close Air Support (CAS) to protect troops on the ground, especially when the troops are in close proximity to enemy forces or civilians. Manned aircrafts are commonly used for CAS operations because pilots or other operators of the aircrafts can accurately determine the locations of desired targets through visual observation and can make ultimate firing decisions. Target location acquisition is often aided by one or more ground observers or “men in the loop” who locate desired targets and communicate target location information and firing suggestions to the operators of the CAS vehicles. Such ground observers also help limit fratricide.
- Unfortunately, CAS operations are very dangerous for manned aircrafts due to enemy anti-aircraft weaponry. Armed, unmanned aircrafts are not currently used for CAS operations because the lack of pilots to observe targets and receive instructions and feedback from ground observers makes accurate target identification and location more difficult.
- Portable target locator devices for use by ground observers have been developed to alleviate some of the above-described problems. However, most if not all of these devices are designed for use with manned aircraft and therefore require a pilot or other operator to make ultimate targeting and firing decisions.
- Accordingly, there is a need for an improved portable target locator apparatus and method that overcomes the limitations of the prior art.
- The present invention solves the above-described problems and provides a distinct advance in the art of target location devices and methods. More particularly, the present invention provides a portable target locator apparatus for use by a ground observer to provide information to an unmanned aircraft or other vehicle. The apparatus accurately determines the location of a target and transmits both target location information and firing instructions to the unmanned vehicle so the unmanned vehicle can locate the target and apply weaponry to the target based on the firing instructions. The present invention may also be used to locate non-military targets or objects such as fires, biohazards, chemical hazards, persons in need of rescue, and supply drop zones. In fact, the present invention has utility in any situation in which the mission or surrounding environment is too dangerous, tedious, and/or costly for a manned aircraft.
- One embodiment of the present invention comprises: optics for permitting a user to see a magnified view of a target or other object; a location determining component for determining a current location of the apparatus; a rangefinder for determining a range from the apparatus to the target; an Azimuth sensor for determining an Azimuth from the apparatus to the target; a processor coupled with the location determining component, the rangefinder and the Azimuth sensor for determining the location of the target; an input device operable by the user to input firing instructions, vehicle instructions or other instructions; and a transmitter for transmitting the location information and the firing instructions, vehicle instructions, or other instructions to the unmanned vehicle so the unmanned vehicle can locate the target and apply weaponry to the target or perform other operations based on the firing instructions or other instructions.
- These and other important aspects of the present invention are described more fully in the detailed description below.
- A preferred embodiment of the present invention is described in detail below with reference to the attached drawing figures, wherein:
-
FIG. 1 is a pictorial representation showing a user operating the portable locator apparatus of the present invention. -
FIG. 2 is a schematic diagram of a Global Positioning System (GPS) that may be used to implement certain aspects of the present invention. -
FIG. 3 is a block diagram illustrating some of the components of the portable locator apparatus. - The drawing figures do not limit the present invention to the specific embodiments disclosed and described herein. The drawings are not necessarily to scale, emphasis instead being placed upon clearly illustrating the principles of the invention.
- Turning now to the drawing figures, a
portable locator apparatus 10 constructed in accordance with a preferred embodiment of the invention is illustrated. As shown inFIG. 1 , theapparatus 10 may be used by aground observer 12 to determine a location of atarget 14 and to send location information and instructions to anunmanned vehicle 16 so that the vehicle can locate thetarget 14 and apply weaponry or perform other operations in accordance with the instructions. Theapparatus 10 is not limited to military uses and can be used in any situation in which a manned vehicle is not needed or desired. For example, theapparatus 10 can be used to accurately determine the location of a fire, a biohazard, a chemical hazard, a person in need of rescue, a supply drop zone, or any other object and to communicate the location of the object along with other instructions to an unmanned vehicle so that the vehicle may perform one or more desired operations such as releasing a fire suppressant or biological or chemical remediation agent, rescuing a victim, etc. - The present invention can be implemented in hardware, software, firmware, or a combination thereof. In preferred embodiments illustrated in
FIGS. 1 and 3 , the invention is shown implemented with a portabletarget locator apparatus 10 broadly comprisingoptics 18, alocation determining component 20, arangefinder 22, an Azimuthsensor 24, aninclination sensor 26, aprocessor 28,input devices 30, anoptional display 32, and atransmitter 34, all housed within a portable, lightweight,handheld housing 36. - The
optics 18 are preferably part of a pair of binoculars and include both a daytime monocular for permitting viewing of objects in relatively high light situations and an infrared (IR) night vision monocular for permitting viewing of objects in relatively low light situations. In this way, a user can look through either the daytime monocular or night vision monocular with one eye depending on the ambient light conditions. Alternatively, theoptics 18 may include a pair of conventional monoculars or a pair of night vision monoculars so the apparatus is designed primarily for either daytime or nighttime use, respectively. - The
location determining component 20 is preferably a GPS receiver designed for use with the GPS system. The GPS system is a satellite-based radio navigation system capable of determining continuous position, velocity, time, and direction information for an unlimited number of users. Formally known as NAVSTAR, the GPS incorporates a plurality of satellites which orbit the earth in extremely precise orbits. Based on these precise orbits, GPS satellites can relay their location to any number of receiving units. - The GPS system is implemented when a device specially equipped to receive GPS data begins scanning radio frequencies for GPS satellite signals. Upon receiving a radio signal from a GPS satellite, the device can determine the precise location of that satellite via one of different conventional methods. The device will continue scanning for signals until it has acquired at least three different satellite signals. Implementing geometrical triangulation, the receiver utilizes the three known positions to determine its own two-dimensional position relative to the satellites. Acquiring a fourth satellite signal will allow the receiving device to calculate its three-dimensional position by the same geometrical calculation. The positioning and velocity data can be updated in real time on a continuous basis by an unlimited number of users.
- Although GPS enabled devices are often used to describe navigational devices, it will be appreciated that satellites need not be used to determine a geographic position of a receiving unit since any receiving device capable of receiving the location from at least three transmitting locations can perform basic triangulation calculations to determine the relative position of the receiving device with respect to the transmitting locations. For example, cellular towers or any customized transmitting radio frequency towers can be used instead of satellites. With such a configuration, any standard geometric triangulation algorithm can be used to determine the exact location of the receiving unit. In this way, personal hand held devices, cell phones, intelligent appliances, intelligent apparel, and others can be readily located geographically, if appropriately equipped to be a receiving unit.
-
FIG. 2 shows one representative view of a GPS denoted generally byreference numeral 38. A plurality ofsatellites 40 are in orbit about the Earth 42. The orbit of each satellite is not necessarily synchronous with the orbits of other satellites and, in fact, is likely asynchronous. A GPS receiver device such as the portabletarget locator apparatus 10 of the present invention is shown receiving spread spectrum GPS satellite signals from thesatellites 40. - The spread spectrum signals continuously transmitted from each
satellite 40 utilize a highly accurate frequency standard accomplished with an extremely accurate atomic clock. Eachsatellite 40, as part of its data signal transmission, transmits a data stream indicative of that particular satellite. Thelocator apparatus 10 must acquire spread spectrum GPS satellite signals from at least three satellites to calculate its two-dimensional position by triangulation. Acquisition of an additional signal, resulting in signals from a total of four satellites, permits thelocator apparatus 10 to calculate its three-dimensional position. - The
location determining component 20 may include one or more processors, controllers, or other computing devices and memory for storing information accessed and/or generated by the processors or other computing devices. In addition to receiving navigational signals from theGPS satellites 40 and calculating a position of thelocator apparatus 10 as a function of the signals, thelocation determining component 20 may also be operable to calculate a route to thetarget 14 or other location, provide instructions to navigate to the desired location, display maps and other information on the display screen, and to execute other functions described herein. The memory may store cartographic data and routing used by or generated by the location determining component's computing devices. The memory may be integral with thelocation determining component 20, stand-alone memory, or a combination of both. The memory may include, for example, removable TransFlash cards. - The
location determining component 20 also includes anantenna 44, which is preferably positioned within or on thehousing 36, to assist the location determining component in receiving signals. The antenna is preferably a GPS patch antenna or helical antenna but may be any other type of antenna that can be used with navigational devices. The antenna may be mounted directly on or in the housing or may be mounted external to the housing. The antenna is preferably protected from adverse conditions, such as those described above, by being entirely enclosed within thehousing 36. - The
rangefinder 22 is coupled with theprocessor 28, and is preferably an integrated laser rangefinder. The rangefinder includes a transmitter for transmitting a short burst of laser energy toward thetarget 14 in a pulsed beam. Theinputs 30 preferably include laser fire button or other manually activated trigger located on thehousing 36 for triggering the transmission of the burst of energy. Therangefinder 22 also includes a sensor which detects the scatter of the transmitted laser energy when it impacts the target and a clock or timer for measuring the elapsed time between the initial transmission of the laser energy and the detection of the scatter. The elapsed time is then used to calculate the range of the target from the apparatus. - The
Azimuth sensor 24 is coupled with theprocessor 28 and is preferably an electronic compass or other device operable for detecting the Earth's magnetic field to determine the Azimuth between theapparatus 10 and thetarget 14 or other object viewed with the optics. - The
inclination sensor 26 is also coupled with theprocessor 28 and can be any device capable of detecting the angle of depression or elevation of theapparatus 10 when used to view thetarget 14. Theinclination sensor 26 may use a single sensing device or a cluster of sensing devices depending on the desired degree of accuracy. - The
processor 28 can be any computing device such as a microprocessor, microcontroller, application specific integrated circuit, etc. and is operable for receiving information from theGPS receiver 20, therangefinder 22, theAzimuth sensor 24, and theinclination sensor 26 and for determining the geographic coordinates or other location information of the viewedtarget 14. Theprocessor 28 may be coupled withexternal memory 46 or may be equipped with internal memory for temporarily storing the location information and other information such as the firing instructions or the vehicle instructions described below. - In accordance with one important aspect of the present invention, the
inputs 30 may include a selector switch, button or other device for permitting a user to input firing instructions for transmission to theunmanned vehicle 16. For example, a selector switch may permit a user to select firing instructions including strafing instructions, missile delivery instructions, photograph acquisition instructions, and/or reconnaissance instructions. The input device or devices may also be used to input vehicle instructions such as routing instructions, rescue instructions, fire suppressant release instructions, biohazard remediation instructions, and chemical hazard remediation instructions. - The
transmitter 34 is coupled with theprocessor 28 and is preferably a radio frequency transmitter or transceiver including an associatedRF antenna 48. Thetransmitter 34 is operable to transmit the location information, firing instructions, and/or vehicle instructions described above to theunmanned vehicle 16. Theinputs 30 may include a transmitter initiation button which can be pressed or otherwise operated to trigger the transmission of information to the unmanned vehicle. - The
display screen 32 is coupled with theprocessor 28 for displaying information such as an image of the target, the location of the apparatus, the location of the target, the range from the apparatus to the target, the Azimuth from the apparatus to the target, the inclination of the apparatus, the firing instructions, or the vehicle instructions. Thedisplay screen 32 is preferably an LCD display capable of displaying both text and graphical information. The display may also be backlit such that it may be viewed in the dark or other low-light environments. - The
apparatus 10 may also include auser identification device 50 for identifying a user to ensure that only authorized persons are able to operate theapparatus 10. Theuser identification device 50 may include, for example, a retinal scanner, a fingerprint scanner, and/or a password program which permits operation only after the entry of an authorized password. - The
locator apparatus 10 also includes batteries and/or a solar cell for powering the processor and the other electrical components of the apparatus. Alternatively, the apparatus may include an electrical plug for connecting to an external source of power such as a conventional electrical outlet or external battery. - The portable
handheld housing 36 is preferably formed of lightweight, impact-resistant, waterproof plastic and is configured so that it can easily be held by a user to view a target or other object. In one embodiment, the handheld housing is shaped similarly to a conventional pair of binoculars. - In operation, a ground observer uses the
locator apparatus 10 to view atarget 14 or other object as depicted inFIG. 1 . Once the desired target or object is located, the user may press the laser fire button to trigger thelaser rangefinder 22. At the same time, theGPS receiver 20 determines the current location of the apparatus, theAzimuth sensor 24 determines the Azimuth of the apparatus, and theinclination sensor 26 determines the inclination of the apparatus. Theprocessor 28 then calculates the geographic coordinates or other location information of thetarget 14 based on the range, the current location information, the Azimuth, and the inclination values. - Once the target location information is calculated, the user can operate the transmitter trigger button to initiate transmission of the location information to the
unmanned vehicle 16. If the user wishes to provide firing instructions, vehicle instructions, or other instructions to the unmanned vehicle, the user can enter these instructions before pressing the transmitter trigger button. - The transmitted location information, firing instructions, and/or vehicle instructions are then received by a receiver or transceiver positioned on the
unmanned vehicle 16. Receipt of this information by theunmanned vehicle 16 triggers a software routine in the vehicle which causes the vehicle to fly a particular CAS profile, apply munitions on the target at the appropriate release point, or perform other functions in accordance with the firing instructions, vehicle instructions or other instructions. After theunmanned vehicle 16 has completed an air strike or other operation, a ground observer may again use thelocator apparatus 10 to view the effects of the air strike or other operation on thetarget 14 and to request additional air strikes or operations by theunmanned vehicle 16 if necessary. - Although the invention has been described with reference to the preferred embodiment illustrated in the attached drawing figures, it is noted that equivalents may be employed and substitutions made herein without departing from the scope of the invention as recited in the claims. For example, although the
unmanned vehicle 16 is described and illustrated herein as being an unmanned aircraft, it may also be an unmanned tank, truck, robot, car, or any other autonomous or semi-autonomous vehicle or device.
Claims (17)
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