WO2001000463A2 - Vehicle alert communications system - Google Patents

Vehicle alert communications system Download PDF

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Publication number
WO2001000463A2
WO2001000463A2 PCT/IL2000/000367 IL0000367W WO0100463A2 WO 2001000463 A2 WO2001000463 A2 WO 2001000463A2 IL 0000367 W IL0000367 W IL 0000367W WO 0100463 A2 WO0100463 A2 WO 0100463A2
Authority
WO
WIPO (PCT)
Prior art keywords
signal
alarm
alert system
vehicle alert
telephone
Prior art date
Application number
PCT/IL2000/000367
Other languages
French (fr)
Other versions
WO2001000463A3 (en
Inventor
Michal Eshed Falk
Gideon Ebenspanger
Original Assignee
Jimi Communications Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jimi Communications Ltd. filed Critical Jimi Communications Ltd.
Priority to AU54235/00A priority Critical patent/AU5423500A/en
Publication of WO2001000463A2 publication Critical patent/WO2001000463A2/en
Publication of WO2001000463A3 publication Critical patent/WO2001000463A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
    • B60R25/102—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/20—Communication devices for vehicle anti-theft devices
    • B60R2325/205—Mobile phones

Definitions

  • the present invention relates generally to a vehicle alert communications system and more particularly to a theft alert communications system.
  • the present invention is embodied in a vehicle alarm system that utilizes and connects a car protection device and a cellular telephone means through an interface module that in response to an alarm signal triggers the cellular telephone to call and alert a remote user that the alarm has been triggered
  • the car protection device is an immobilizer, which is attached to the car
  • the car protection system is the immobilizer which communicates with a dialing circuit which communicates with the cellular telephone ( Figure 6)
  • the signal from the car protection device bypasses the vehicle alarm signal
  • the present system may be used with an existing car protection device and/or system and with conventional wireless telephone systems including cellular, digital PCS or wireless telephone systems
  • the present invention is embodied in a house alarm system that utilizes and connects a structure such a house, office, or building alarm system and a cellular means through an interface module that in response to an alarm signal triggers the cellular telephone to call and alert a remote user that the alarm has been triggered
  • the present system may be used with an existing car protection device and/or system and with conventional wireless telephone systems including cellular, digital PCS or wireless telephone systems
  • FIG. 1 is a block diagram of an alarm system of the present invention
  • FIG. 2 is a block diagram of an interface circuit embodiment of the present invention
  • FIG. 3 is a circuit diagram of an alarm trigger circuit of the present invention
  • FIG. 4 is a block diagram of an alternate interface circuit embodiment of the present invention.
  • FIG. 5 is a block diagram of another alternate interface circuit embodiment of the present invention.
  • FIG. 6 is a block diagram of another alternate interface circuit embodiment of the present invention.
  • the module 26 includes an alarm trigger circuit 28 for connecting to a vehicle alarm and a dialing circuit 30 for connecting to a personal transmitting device 24.
  • the personal transmitting device 24 in turn connects to a personal receiving device 34.
  • the alarm trigger circuit (Fig. 3) allows for the use of an existing alarm system signal.
  • the alarm trigger circuit communicates with the receiving device so as to indicate that the alarm is activated without having the horn or lights of the vehicle activated, thus bypassing the standard vehicle alarm system.
  • the system includes an immobilizer as the car protection device. Immobilizers are standard to those skilled in the art.
  • the incoming alarm signal is represented by switch 35 monitored by a timer circuit 36 of the type represented by a linear integrated circuit model 555.
  • a signal representative of the alarm signal or the signal from the car protection device is sent to the dialing circuit 30 from the timer 36 via a switch 38, the dialing circuit 30 (Fig. 2) causes the personal transmitting device 24 to connect to the personal receiving device 34.
  • the interface preferably connects to a personal transmitting device 24 in the form of a cellular telephone or transmission capable pager and using the inherent functions of these devices to initiate a call carries out a point-to-point notification of an alarm event to the personal receiving device 34.
  • a personal transmitting device 24 in the form of a cellular telephone or transmission capable pager and using the inherent functions of these devices to initiate a call carries out a point-to-point notification of an alarm event to the personal receiving device 34.
  • the personal receiving device 34 Upon the personal receiving device 34 receiving a signal from the interface module 26 the personal receiving device 34 in the form of a telephone or cellular telephone indicates by a message, sound or light that it has received a signal from the interface module 26.
  • the dialing circuit 30 may include a memory containing the telephone number of the personal receiving device or a preprogrammed address to a telephone number stored within the speed dialing memory of the personal transmitting device It will be appreciated by those skilled in the art that a number of interfaces may be used to connect the dialing circuit with the personal transmitting device Examples of such conventional connections are described as follows
  • the dialing circuit connects to the modem interface of the cellular telephone and causes a telephone number to dialed through the modem circuit
  • the telephone number may be entered into the dialing circuit memory by a user interface (not shown) or may be included in the speed dialing number memory of the cellular telephone
  • the dialing circuit connects to the hands free interface of the dialing circuit and causes a telephone number to be dialed there through in a manner similar to the modem interface described above
  • the personal transmitting device is a pager capable of transmitting to another pager
  • such circuitry may be integrated into the dialing circuit
  • the alarm signal indicator signal sent to the personal receiving device may take several forms that are dependent upon the type of personal receiving device used
  • the personal receiving device is a cellular telephone capable of receiving messages or a personal data assistant (PDA)
  • the telephone number dialed may include the following components 1 a telephone number corresponding to the personal receiving device, 2 a pause signal of the type used the transmitting device, and 3 An alphanumeric message corresponding to the telephone number of the personal transmitting device or any other information that the user may need to identify the alarm signal
  • the personal receiving device is a cellular or household telephone or PDA capable of detecting a Caller ID signal
  • the telephone number of the personal transmitting device in the Caller ID window is used to indicate an alarm signal
  • the interface module 26 includes a signal generator circuit 40 which includes a conventional sound generator capable of providing audible tones or pre-recorded messages through the personal transmitting device to the personal receiving device
  • the signal generator provides a tone, or voice message indicating the alarm event
  • the signal generator 40 connects via the dialing circuit 30 to the personal transmitting device in a conventional manner
  • the personal transmitting device includes a modem interface
  • the signal generator connects through the same interface
  • the telephone includes a hands free interface
  • the signal generator connects through the speaker and microphone connector of the cellular telephone
  • Other such conventional interfaces now known or later conceived may also be used in place of the ones described
  • the interface module 26 further includes a ring detector 42 and a horn and/ or light interface circuit 44
  • the personal transmitting device is a cellular telephone or a pager
  • the ring detector circuit 42 is operative to trigger the horn/ light or locator interface to sound the horn or car lights or locate the car
  • This feature is useful in large parking lots or for stolen vehicles to locate a vehicle Often remote access entry keys have a limited range In large parking lots it may be difficult to locate the vehicle
  • a person can trigger the car horn or lights using the horn/ light interface circuit 44 from any location
  • the alarm system when one of the alarm signals is triggered, the alarm system generates a signal to the horn and car lights This signal is received by an alarm trigger circuit within the interface module which communicates with a personal receiving device such as a cellular phone, pager or a hand held PDA
  • a personal receiving device such as a cellular phone, pager or a hand held PDA
  • the car protection device 36 which is an immobilizer communicated with a dialing circuit 38 and a cellular telephone 40 The activation of the dialing circuit by a trigger signal does not generate a signal to the horn and car lights
  • the interface module of the present invention may also be used for any structure such as a house, office or building alarm in the same manner as the vehicle alarm as described above

Abstract

The present invention is embodied in an alarm system (20) that utilizes and connects a car protection device (22) and a cellular telephone means (24) through an interface module (26) that in response to an alarm signal triggers the cellular telephone to call and alert a remote user that the alarm has been triggered.

Description

VEHICLE ALERT COMMUNICATIONS SYSTEM
BACKGROUND OF THE INVENTION
Field of the Invention
The present invention relates generally to a vehicle alert communications system and more particularly to a theft alert communications system.
Description of the Related Art With the increase in price and long time ownership value of current automobiles on the market, the number of vehicle thefts are on the rise. To counter this rise in thefts a number vehicle alarm and deterrent systems have been developed over the years. Many of today's high end vehicle are equipped with a factory preinstalled alarm system. Typically, such systems trigger an audible alarm when a sensor, applied to the vehicle, detects an unauthorized intrusion of the vehicle or the space surrounding the vehicle. In past the audible was relied upon to alert the owner hopefully nearby and draw attention to the thief s activity. With the number of such systems currently in use, the nightly sound of car alarms triggered by non-theft events has become a regular occurrence in urban a environments. Such faulty alarm systems often desensitize the local community to reacting to an alarm event, thus reducing the deterrent capability of the alarm system. Thus, need exists to provide a separate system for car detection and alerting when a car alarm has been triggered to notify the owner that a theft is in progress.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide remote point-to-point communication a theft alarm event.
The present invention is embodied in a vehicle alarm system that utilizes and connects a car protection device and a cellular telephone means through an interface module that in response to an alarm signal triggers the cellular telephone to call and alert a remote user that the alarm has been triggered In the preferred embodiment, the car protection device is an immobilizer, which is attached to the car, and the car protection system is the immobilizer which communicates with a dialing circuit which communicates with the cellular telephone (Figure 6) The signal from the car protection device bypasses the vehicle alarm signal The present system may be used with an existing car protection device and/or system and with conventional wireless telephone systems including cellular, digital PCS or wireless telephone systems
The present invention is embodied in a house alarm system that utilizes and connects a structure such a house, office, or building alarm system and a cellular means through an interface module that in response to an alarm signal triggers the cellular telephone to call and alert a remote user that the alarm has been triggered The present system may be used with an existing car protection device and/or system and with conventional wireless telephone systems including cellular, digital PCS or wireless telephone systems
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a block diagram of an alarm system of the present invention
Figure 2 is a block diagram of an interface circuit embodiment of the present invention
Figure 3 is a circuit diagram of an alarm trigger circuit of the present invention
Figure 4 is a block diagram of an alternate interface circuit embodiment of the present invention
Figure 5 is a block diagram of another alternate interface circuit embodiment of the present invention
Figure 6 is a block diagram of another alternate interface circuit embodiment of the present invention
DETAILED DESCRIPTION OF THE INVENTION
With reference to the drawings for purposes of illustration, a vehicle such as a car or van alarm communication system 20 (Fig. 1) includes a conventional vehicle car alarm 22 and a personal transmitting device 24, stored within the vehicle and advantageously an interface module 26 interconnecting the car protection device or the vehicle alarm with the wireless telephone. In one embodiment illustrated by Figure 2, the module 26 includes an alarm trigger circuit 28 for connecting to a vehicle alarm and a dialing circuit 30 for connecting to a personal transmitting device 24. The personal transmitting device 24 in turn connects to a personal receiving device 34. The alarm trigger circuit (Fig. 3) allows for the use of an existing alarm system signal. In one embodiment, the alarm trigger circuit communicates with the receiving device so as to indicate that the alarm is activated without having the horn or lights of the vehicle activated, thus bypassing the standard vehicle alarm system. In this embodiment the system includes an immobilizer as the car protection device. Immobilizers are standard to those skilled in the art. The incoming alarm signal is represented by switch 35 monitored by a timer circuit 36 of the type represented by a linear integrated circuit model 555. When an alarm signal of a predetermined length is detected, a signal representative of the alarm signal or the signal from the car protection device is sent to the dialing circuit 30 from the timer 36 via a switch 38, the dialing circuit 30 (Fig. 2) causes the personal transmitting device 24 to connect to the personal receiving device 34. The interface preferably connects to a personal transmitting device 24 in the form of a cellular telephone or transmission capable pager and using the inherent functions of these devices to initiate a call carries out a point-to-point notification of an alarm event to the personal receiving device 34. Upon the personal receiving device 34 receiving a signal from the interface module 26 the personal receiving device 34 in the form of a telephone or cellular telephone indicates by a message, sound or light that it has received a signal from the interface module 26.
The dialing circuit 30 may include a memory containing the telephone number of the personal receiving device or a preprogrammed address to a telephone number stored within the speed dialing memory of the personal transmitting device It will be appreciated by those skilled in the art that a number of interfaces may be used to connect the dialing circuit with the personal transmitting device Examples of such conventional connections are described as follows
1 Where the personal transmitting device is a cellular telephone capable of connecting to a modem, the dialing circuit connects to the modem interface of the cellular telephone and causes a telephone number to dialed through the modem circuit The telephone number may be entered into the dialing circuit memory by a user interface (not shown) or may be included in the speed dialing number memory of the cellular telephone
2 Where the personal transmitting device is a cellular telephone capable of connecting to a hands free dialing unit, the dialing circuit connects to the hands free interface of the dialing circuit and causes a telephone number to be dialed there through in a manner similar to the modem interface described above
3 Where the personal transmitting device is a pager capable of transmitting to another pager, such circuitry may be integrated into the dialing circuit
In the present embodiment, the alarm signal indicator signal sent to the personal receiving device may take several forms that are dependent upon the type of personal receiving device used Where the personal receiving device is a cellular telephone capable of receiving messages or a personal data assistant (PDA), the telephone number dialed may include the following components 1 a telephone number corresponding to the personal receiving device, 2 a pause signal of the type used the transmitting device, and 3 An alphanumeric message corresponding to the telephone number of the personal transmitting device or any other information that the user may need to identify the alarm signal Where the personal receiving device is a cellular or household telephone or PDA capable of detecting a Caller ID signal, the telephone number of the personal transmitting device in the Caller ID window is used to indicate an alarm signal
In an alternatively preferred embodiment illustrated by Figure 4 were like reference numerals refer to like objects, the interface module 26 includes a signal generator circuit 40 which includes a conventional sound generator capable of providing audible tones or pre-recorded messages through the personal transmitting device to the personal receiving device Where the personal receiving device 34 is a telephone, the signal generator provides a tone, or voice message indicating the alarm event It will be appreciated that where a different alarm event may be indicated by the alarm device, different signals may be generated corresponding to the alarm signal by the signal generator The signal generator 40 connects via the dialing circuit 30 to the personal transmitting device in a conventional manner For example, where the personal transmitting device includes a modem interface, the signal generator connects through the same interface In an alternative example, where the telephone includes a hands free interface, the signal generator connects through the speaker and microphone connector of the cellular telephone Other such conventional interfaces now known or later conceived may also be used in place of the ones described
In an alternatively preferred embodiment illustrated by Figure 5 were like reference numerals refer to like objects, the interface module 26 further includes a ring detector 42 and a horn and/ or light interface circuit 44 Where the personal transmitting device is a cellular telephone or a pager, when a call or page is received by the device the ring detector circuit 42 is operative to trigger the horn/ light or locator interface to sound the horn or car lights or locate the car This feature is useful in large parking lots or for stolen vehicles to locate a vehicle Often remote access entry keys have a limited range In large parking lots it may be difficult to locate the vehicle By calling the personal transmitting device connected to the interface circuit, a person can trigger the car horn or lights using the horn/ light interface circuit 44 from any location In operation, when one of the alarm signals is triggered, the alarm system generates a signal to the horn and car lights This signal is received by an alarm trigger circuit within the interface module which communicates with a personal receiving device such as a cellular phone, pager or a hand held PDA In one embodiment of the invention, the horn and/or lights of the vehicle are not triggered and an alarm signal is sent only to the interface module The interface module is preprogrammed with the telephone number in which to communicate with the personal receiving device Similarly, the receiving device may send a signal to the interface module so as to locate the car
In an alternatively preferred embodiment illustrated by Figure 6 were like reference numerals refer to like objects, the car protection device 36 which is an immobilizer communicated with a dialing circuit 38 and a cellular telephone 40 The activation of the dialing circuit by a trigger signal does not generate a signal to the horn and car lights
In another embodiment, the interface module of the present invention may also be used for any structure such as a house, office or building alarm in the same manner as the vehicle alarm as described above
It will be understood that certain features and subcombinations are of utility and may be employed without reference to other features and subcombinations as they are outlined within the claims While the preferred embodiment and application of the invention has been described, it is apparent to those skilled in the art that the objects and features of the present invention are only limited as set forth in the claims attached hereto

Claims

WHAT IS CLAIMED IS:
1 A car protection alert system comprising a car protection device having theft event sensors adapted to generate a signal in response to sensing a theft event, a personal transmitting device, a telephone number memory to store at least one telephone number unique to the vehicle owner, an interface module connected between said car protection device and said telephone and in response to said signal signaling said telephone to dial said at least one telephone number through said speed dialing circuit
2 The vehicle alert system of claim 1 , wherein the car protection device is an immobilizer
3 The vehicle alert system of claim 1 wherein said interface circuit is operative to generate a signal representative of said signal through said personal transmitting device
4 The vehicle alert system of claim 2 wherein said interface circuit includes a signal generator operative to generate said signal representative of said alarm signal
5 The vehicle alert system of claim 4 wherein said signal generator is a tone generator and said signal representative of said signal include a predetermined sequence of tones
6 The vehicle alert system of claim 4 wherein said signal generator includes a voice synthesizer and at least one predetermined message and said signal representative of said alarm signal is a voice message
7 The vehicle alert system of claim 4 wherein said signal generator includes a message memory having at least one voice message and a play back circuit and said signal representative of said alarm signal is said at least one voice message
8 The vehicle alert system of claim 1 wherein said interface circuit is formed integrally with said car protection device
9 The vehicle alert system of claim 1 wherein said car protection device includes a plurality of car theft sensors is operative to generate a plurality of car alarm signals, each corresponding to one of said theft sensors, and said interface circuit is operative to generate signals representative of said alarm signals through said personal transmitting device
10 The vehicle alert system of claim 9 wherein said telephone number memory includes a plurality telephone numbers each having a beeper message corresponding to said alarm signal, and said interface circuit is operative in response to said alarm signal to trigger a corresponding one of said plurality of beeper messages
11 The vehicle alert system of claim 9 wherein said interface circuit includes a signal generator operative to generate said signals representative of said alarm signal
12 The vehicle alert system of claim 11 wherein said signal generator is a tone generator and each of said signals representative of said alarm signals includes a unique predetermined sequence of tones
13 The vehicle alert system of claim 11 wherein said signal generator includes a voice synthesizer and a plurality of predetermined messages and each of said signals representative of said alarm signals corresponds to one of said voice messages
14. The vehicle alert system of claim 11 wherein: said signal generator includes a message memory having a plurality of voice messages and a play back circuit and each of said signals representative of said alarm signals corresponds to one of said plurality of voice messages.
15. The vehicle alert communications system of claim 4 including: a telephone for receiving said signal representative of said alarm signal.
16. The vehicle alert system of claim 1 wherein: said telephone number memory includes a plurality of telephone numbers; and said interface circuit is operative to signal said personal transmitting device to dial each of said telephone numbers in response to said alarm signal.
17. The vehicle alert system of claim 1 wherein: said interface circuit includes said telephone number memory.
18. The vehicle alert system of claim 1 wherein: said personal transmitting device includes said telephone number memory.
19. The vehicle alert system of claim 1 wherein: said personal transmitting device is a cellular telephone.
20. The vehicle alert system of claim 1 wherein: said personal transmitting device transmits to a personal receiving device.
21. The vehicle alert system of claim 1 wherein: said personal transmitting device transmits to a telephone.
22. The vehicle alert system of claim 1 wherein: said personal transmitting device transmits to a PDA.
23. A method for remotely sounding a car alarm using a vehicle alert communications system including a car protection device having theft event sensors, a personal transmitting device having a memory to store at least one telephone number and a speed dialing circuit, and an interface module connected between said alarm and said telephone, said method comprising the steps of: sensing a theft event using said theft event sensors; generating an alarm signal to said interface circuit from said car alarm in response to said theft event; signaling from said interface circuit to said personal transmitting device to dial said at least one telephone number through said speed dialing circuit.
PCT/IL2000/000367 1999-06-23 2000-06-22 Vehicle alert communications system WO2001000463A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU54235/00A AU5423500A (en) 1999-06-23 2000-06-22 Vehicle alert communications system

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US14054699P 1999-06-23 1999-06-23
US60/140,546 1999-06-23
US15546699P 1999-09-23 1999-09-23
US60/155,466 1999-09-23
US51035300A 2000-02-22 2000-02-22
US09/510,353 2000-02-22

Publications (2)

Publication Number Publication Date
WO2001000463A2 true WO2001000463A2 (en) 2001-01-04
WO2001000463A3 WO2001000463A3 (en) 2001-03-29

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AU (1) AU5423500A (en)
WO (1) WO2001000463A2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005082687A1 (en) 2004-03-01 2005-09-09 Toyota Jidosha Kabushiki Kaisha Anti-theft system and anti-theft device for vehicle detecting radio wave jamming
WO2013090125A1 (en) * 2011-12-16 2013-06-20 Microsoft Corporation Providing a user interface experience based on inferred vehicle state
US9465980B2 (en) 2009-01-30 2016-10-11 Microsoft Technology Licensing, Llc Pose tracking pipeline
US10551930B2 (en) 2003-03-25 2020-02-04 Microsoft Technology Licensing, Llc System and method for executing a process using accelerometer signals
EP3786150A1 (en) 2019-08-24 2021-03-03 WeylChem Performance Products GmbH Hydroxycarboxylic acid esters, method for their preparation and their use

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5805055A (en) * 1993-05-11 1998-09-08 Elementare Watson S.R.L. Antitheft system integrated with functions of security, information and navigation, based on electronic cartography, vocal synthesis and radio telecommunication
US5912615A (en) * 1994-09-23 1999-06-15 Kretzmar; Allan J. Electrified theft/car-jack prevention device for use with motor vehicles and methods of use

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5805055A (en) * 1993-05-11 1998-09-08 Elementare Watson S.R.L. Antitheft system integrated with functions of security, information and navigation, based on electronic cartography, vocal synthesis and radio telecommunication
US5912615A (en) * 1994-09-23 1999-06-15 Kretzmar; Allan J. Electrified theft/car-jack prevention device for use with motor vehicles and methods of use

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10551930B2 (en) 2003-03-25 2020-02-04 Microsoft Technology Licensing, Llc System and method for executing a process using accelerometer signals
WO2005082687A1 (en) 2004-03-01 2005-09-09 Toyota Jidosha Kabushiki Kaisha Anti-theft system and anti-theft device for vehicle detecting radio wave jamming
US7443286B2 (en) 2004-03-01 2008-10-28 Toyota Jidosha Kabushiki Kaisha Anti-theft system for vehicle and anti-theft device for vehicle
US9465980B2 (en) 2009-01-30 2016-10-11 Microsoft Technology Licensing, Llc Pose tracking pipeline
WO2013090125A1 (en) * 2011-12-16 2013-06-20 Microsoft Corporation Providing a user interface experience based on inferred vehicle state
US9596643B2 (en) 2011-12-16 2017-03-14 Microsoft Technology Licensing, Llc Providing a user interface experience based on inferred vehicle state
EP3786150A1 (en) 2019-08-24 2021-03-03 WeylChem Performance Products GmbH Hydroxycarboxylic acid esters, method for their preparation and their use

Also Published As

Publication number Publication date
AU5423500A (en) 2001-01-31
WO2001000463A3 (en) 2001-03-29

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