WO2002049881A1 - Display apparatus using rear-view mirror - Google Patents

Display apparatus using rear-view mirror Download PDF

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Publication number
WO2002049881A1
WO2002049881A1 PCT/KR2001/002187 KR0102187W WO0249881A1 WO 2002049881 A1 WO2002049881 A1 WO 2002049881A1 KR 0102187 W KR0102187 W KR 0102187W WO 0249881 A1 WO0249881 A1 WO 0249881A1
Authority
WO
WIPO (PCT)
Prior art keywords
mirror
view
car
view mirror
liquid crystal
Prior art date
Application number
PCT/KR2001/002187
Other languages
French (fr)
Inventor
Pan-Ki Youn
Original Assignee
Pan-Ki Youn
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 Pan-Ki Youn filed Critical Pan-Ki Youn
Priority to AU2002217578A priority Critical patent/AU2002217578A1/en
Publication of WO2002049881A1 publication Critical patent/WO2002049881A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/04—Rear-view mirror arrangements mounted inside vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
    • B60R2001/1253—Mirror assemblies combined with other articles, e.g. clocks with cameras, video cameras or video screens

Definitions

  • the present invention relates generally to a display apparatus using a rear- view mirror of a car, and more particularly to a display apparatus using a rear-view mirror of a car, wherein in a normal mode a rear surface of the rear- view mirror positioned at the front top of the car is made to be darkened to allow the rear-view mirror to function as a reflective mirror, while during the output of image signals through a liquid crystal display board at the rear surface of the mirror the image signals are projected forward to be watched in the car, thereby allowing all the people in the car to watch images on the mirror by selecting an image display mode, a TV watching mode or a car navigation display mode using a remote controller.
  • a driver In general, a driver must reach his destination and, thereafter, park his car in such a way as to go forward, turn to the right or left, or go rearward by operating the car while sitting on the driver's seat of the car.
  • an object of the present invention is to provide a display apparatus using a rear-view mirror of a car, wherein in a normal mode a rear surface of the rear-view mirror positioned at the front top of the car is made to be darkened to allow the rear-view mirror to function as a reflective mirror, while during the output of image signals through a liquid crystal display board at the rear surface of the mirror the image signals are projected forward to be watched in the car, thereby allowing all the people in the car to watch images on the mirror by selecting an image display mode, a TV watching mode, or a car navigation display mode using a remote controller.
  • another object of the present invention is to provide a display apparatus, in which when a driver watches a rear area through the rear-view mirror positioned in the front-top portion of a car with a Charge-Coupled Device (CCD) camera in a rearview mirror positioned at the rear side of the car, an image from the rearview mirror and an image from a rear-view CCD camera can be watched at the same time on the divided regions of the rear-view mirror, so that a driver can safely drive his car backward while perfectly watching the rear area.
  • CCD Charge-Coupled Device
  • the present invention provides a display apparatus, wherein: in a normal mode a rear surface of the rear-view mirror positioned at the front top of the car is made to be darkened to allow the rear- view mirror to function as a reflective mirror, while during the output of image signals through a liquid crystal display board at the rear surface of the mirror the image signals are projected forward to be watched in the car; signals of images photographed by the CCD camera which is controlled by a camera drive unit are amplified by an amplification unit and are transmitted through a liquid crystal drive unit to an LCD board of the rear-view mirror to be watched by all in the car; the LCD board displays the image signals of a general liquid crystal television to allow TV watching in the car; a controller for controlling operations selects an image display mode, a television watching mode or a car navigation mode according to a user's selection by a mode selection switch; and the controller is provided with a receiving unit for a remote controller so that the user is able to select functions of a mode change, a channel up/down and
  • the user can observe the area just behind the car through a convex mirror of the stern mirror on a whole surface or a partial surface of the rear-view mirror; image signals, which are photographed by the rear-view CCD camera while the camera drive unit is controlling the camera, are transmitted to the LCD board in the rear-view mirror through the liquid crystal drive unit to be displayed.
  • Fig. 1 is a schematic view showing a construction of a rear-view mirror in accordance with the present invention
  • Fig. 2 is a block diagram showing an entire configuration of a display apparatus of the present invention
  • Fig. 3 is a view showing the mounting of a stern mirror in accordance with the present invention.
  • Fig. 4 is a schematic view showing a structure of a rear- view CCD camera positioned in the stern mirror of the present invention.
  • controller 15 liquid crystal television signal processing unit 16: voice amplifying unit 18: car navigation system
  • FIG. 1 is a drawing showing a structure of a rear-view mirror in accordance with the present invention.
  • An LCD board 2 normally forming a dark background is formed on one side of a rear-view mirror 1 positioned at a front-top of a car, and a dark board 3 is formed on the other side of the rear-view mirror 1.
  • Front surfaces of the LCD board 2 and the dark board 3 are formed to come into contact with a rear surface of a reflective mirror 4.
  • the rear-view mirror 1 normally functions as the reflective mirror 4 with its rear surface darkened, so the rear view can be watched on a whole surface of the reflective mirror 4.
  • images are displayed on the LCD board 2
  • an image can be watched through one part 4a of the reflective mirror 4 and, at the same time, a reflected rear view can be watched on the other part of the reflective mirror 4.
  • Fig. 2 is a block diagram showing an entire configuration of a display apparatus of the present invention.
  • a rear-view CCD camera 5 for photographing a dead ground behind the car is positioned at the back of the car, and the CCD camera 5 performs photographing by a control signal through a camera drive unit 6.
  • Signals of photographed images obtained by the CCD camera 5 operated by the camera drive unit 6 are amplified in an amplification unit 7 to compensate its loss during transmission.
  • a liquid crystal drive unit 8 receiving the image signal amplified by the above amplifying unit 7 processes the signal and displays its image on the LCD board 2 in the rear-view mirror 1 , so the driver can watch the image.
  • a controller 12 to which a selected particular through a switch input unit
  • a remote control receiving unit 10 receiving wireless signals from a remote controller is inputted, controls operations of the camera drive unit 6 and the liquid crystal drive unit 8, so the driver's observation of the rear area is possible.
  • the controller recognizing this selection outputs a control signal to a tuner 13, where TV broadcasting signals on a selected channel among television broadcast signals through an antenna 14 are selected and sent to the liquid crystal TV signal processing unit 15, so that the image is displayed through the LCD board 2 and at the same time voice can be heard by a speaker 17 through a voice amplifying unit 16.
  • the controller 12 recognizing this selection displays, on the LCD board 2, an image of a map showing a route to a destination which is read from map data in a car navigation system 18, so that all the people in the car can watch the image.
  • a general hands-free signal processing unit 19 is provided in the rear-view mirror 1, so image signals are displayed on the LCD board 2, the driver's voice is inputted through a microphone 20, and the other side's voice is outputted through a speaker 17. Accordingly, the telephone conversation is possible while a user watches an image transmitted from a video telephone on the LCD board 2.
  • the LCD board 2 and the board 3 are formed in the rear-view mirror 1 and the reflective mirror 4 is combined with the LCD board 2 and the board. Accordingly, in a normal driving mode, the rear-view mirror 1 functions as the reflective mirror 4 with its rear surface darkened, and the rear view can be watched through a whole surface of the reflective mirror 4.
  • the controller 12 recognizing the selection outputs a control signal to the camera drive unit 6 so as to allow the CCD camera 5 to photograph a rear area.
  • Signals of images photographed by the CCD camera 5 are amplified by the amplification unit 7 whereby signal loss during transmission is compensated, and then the amplified signals are sent to the liquid crystal drive unit 8 to be displayed as images on the LCD board 2 in the rear-view mirror, so that the images can be watched through the reflective mirror 4 of the rear-view mirror 1.
  • the controller recognizing this selection outputs a control signal to a tuner 13, where TV broadcasting signals on a selected channel among television broadcast signals through an antenna 14 are selected and sent to the liquid crystal TV signal processing unit 15, so that the images are displayed through the LCD board 2 and at the same time voice can be heard by a speaker 17 through a voice amplifying unit 16.
  • the controller 12 recognizing this selection displays, on the LCD board 2, an image of a map showing a route to a destination which is read from map data in a car navigation system 18, so that all of the people in the car can watch the image.
  • Figs. 3 and 4 show a structure of a stern mirror and a rear-view CCD camera in the stern mirror according to the present invention.
  • the rear-view CCD camera 5 is positioned in the stern mirror 22 located at the back of the car 21.
  • the area just behind the car 21 can be observed on a whole surface of the rear-view mirror 1 (or on a part of the mirror) in the car through a convex mirror 23 of the stern mirror 22.
  • the CCD camera 5 is positioned in the stern mirror 22 and the rear-view mirror also has the LCD board 2, the board 3 and the reflective mirror 4, so that in a normal mode the rear-view mirror functions as a reflective mirror 4 with its rear surface darkened, and the rear view can be watched through a whole surface of the reflective mirror 4.
  • the controller 12 recognizing the selection outputs a control signal to the camera drive unit 6 to make the CCD camera 5 in the stern mirror 22 to photograph the area.
  • the signals of images photographed by the CCD camera 5 are amplified by the amplification unit 7 whereby signal loss during transmission is compensated, and then the amplified signals are sent to the liquid crystal drive unit 8 to be displayed as images on the LCD board 2 in the rear-view mirror, so that the driver can watch the images through the reflective mirror 4 of the rear- view mirror
  • the area just behind the car 21, which is reflected through the convex mirror 23 of the stern mirror 22, can be watched. If the car moves rearward while the CCD camera 5 is not operated, the area image which is reflected by the stern mirror 22 can be watched through the whole reflective mirror 4 of the rear-view mirror 1.
  • a rear surface of a rear-view mirror positioned in the front-top of a car is made dark so that the rear-view mirror normally functions as a reflective mirror, while during the output of image signals through an LCD board at the rear surface of the mirror, the image signals are projected forward to be displayed.
  • the signals of images photographed by the CCD camera which is controlled by a camera drive unit are amplified by an amplification unit, and are transmitted through a liquid crystal drive unit to an LCD board in the rear-view mirror to be displayed.
  • the LCD board displays image signals for a general liquid crystal television so that television watching is possible in the car.
  • a controller for controlling operations is adapted to select an image display mode, a television watching mode or a car navigation mode according to a user's selection by a mode selection switch.
  • the controller is provided with a receiving unit for a remote controller so that the user is able to select functions of a mode change, a channel up/down and a volume up/down, etc. by the remote controller.

Abstract

The object of this invention is to provide a display apparatus using a rear-view mirror. This apparatus has an LCD board (2) and a dark board (3), with a reflection mirror (4) covering the two boards (2) and (3). In a normal mode, the display apparatus provides a driver with a view of the area behind the vehicle using the reflection mirror (4). In a rear-image display mode using a CCD camera (5), the LCD board (2) displays a rear-image photographed by the camera (5). In a navigation display mode using a navigation system (18), the LCD board (2) displays a map image thereon. In a TV mode, a TV signal-processing unit (15) outputs a video signal to the LCD board (2), and outputs an audio signal to a speaker (17). The operation of the apparatus is controlled by a controller (12).

Description

DISPLAY APPARATUS USING REAR- VIEW MIRROR
Technical Field
The present invention relates generally to a display apparatus using a rear- view mirror of a car, and more particularly to a display apparatus using a rear-view mirror of a car, wherein in a normal mode a rear surface of the rear- view mirror positioned at the front top of the car is made to be darkened to allow the rear-view mirror to function as a reflective mirror, while during the output of image signals through a liquid crystal display board at the rear surface of the mirror the image signals are projected forward to be watched in the car, thereby allowing all the people in the car to watch images on the mirror by selecting an image display mode, a TV watching mode or a car navigation display mode using a remote controller.
Background Art
In general, a driver must reach his destination and, thereafter, park his car in such a way as to go forward, turn to the right or left, or go rearward by operating the car while sitting on the driver's seat of the car.
Additionally, in order to drive a car to a destination or park the car, a driver must operate the car while carefully watching rightward, leftward and rearward as well as forward. In these days when a lot of cars are popularized and difficulty in parking cars is serious, it is further required to watch forward, rightward, leftward and rearward.
However, directions and positions, which a driver in a driver's seat can observe through an inside rear-view mirror and right and left outside mirrors, are restricted, so there is a problem that the driver cannot recognize objects or persons positioned beyond the directions and positions, thus causing an accident. In particular, for vehicles loading freight (such as, frozen food or furniture) in their rears, it is more difficult to watch objects behind the vehicle when the vehicles are driven rearward. Accordingly, in spite of the drivers 's careful driving, the risk of an accident is high. In addition, for running cars, their back doors happen to be open, so an accident due to dropped freight may occur or there can be damages according to a loss of the freight. Accordingly, the driver should continuously check the state of the door. Even after checking, the driver is anxious whether it is open or not.
In addition, the positions of following cars cannot be recognized while a car is being driven, so, at its sudden stop or backward motion, the risk of an accident is high, and defensive driving for preventing accidents is difficult.
Further, nowadays, cars, which provide news through a television or map data for navigation, are increased. However, space for the installation of a monitor for a television and a Liquid Crystal Display (LCD) board for navigation is limited so that it is not easy to install them on a car. For the installation, images on the monitor or the board can be watched only when the driver turns his head far around, so that the risk of an accident is high to suppress a practical use of the apparatuses.
Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a display apparatus using a rear-view mirror of a car, wherein in a normal mode a rear surface of the rear-view mirror positioned at the front top of the car is made to be darkened to allow the rear-view mirror to function as a reflective mirror, while during the output of image signals through a liquid crystal display board at the rear surface of the mirror the image signals are projected forward to be watched in the car, thereby allowing all the people in the car to watch images on the mirror by selecting an image display mode, a TV watching mode, or a car navigation display mode using a remote controller.
In addition, another object of the present invention is to provide a display apparatus, in which when a driver watches a rear area through the rear-view mirror positioned in the front-top portion of a car with a Charge-Coupled Device (CCD) camera in a rearview mirror positioned at the rear side of the car, an image from the rearview mirror and an image from a rear-view CCD camera can be watched at the same time on the divided regions of the rear-view mirror, so that a driver can safely drive his car backward while perfectly watching the rear area.
Disclosure of the Invention
In order to accomplish the above objects, the present invention provides a display apparatus, wherein: in a normal mode a rear surface of the rear-view mirror positioned at the front top of the car is made to be darkened to allow the rear- view mirror to function as a reflective mirror, while during the output of image signals through a liquid crystal display board at the rear surface of the mirror the image signals are projected forward to be watched in the car; signals of images photographed by the CCD camera which is controlled by a camera drive unit are amplified by an amplification unit and are transmitted through a liquid crystal drive unit to an LCD board of the rear-view mirror to be watched by all in the car; the LCD board displays the image signals of a general liquid crystal television to allow TV watching in the car; a controller for controlling operations selects an image display mode, a television watching mode or a car navigation mode according to a user's selection by a mode selection switch; and the controller is provided with a receiving unit for a remote controller so that the user is able to select functions of a mode change, a channel up/down and a volume up/down, etc. by the remote controller.
In addition, by installing the rear-view CCD camera in the stern mirror provided at the rear-top of the car, the user can observe the area just behind the car through a convex mirror of the stern mirror on a whole surface or a partial surface of the rear-view mirror; image signals, which are photographed by the rear-view CCD camera while the camera drive unit is controlling the camera, are transmitted to the LCD board in the rear-view mirror through the liquid crystal drive unit to be displayed.
Brief Description of the Drawings
Fig. 1 is a schematic view showing a construction of a rear-view mirror in accordance with the present invention;
Fig. 2 is a block diagram showing an entire configuration of a display apparatus of the present invention; Fig. 3 is a view showing the mounting of a stern mirror in accordance with the present invention; and
Fig. 4 is a schematic view showing a structure of a rear- view CCD camera positioned in the stern mirror of the present invention.
** Description of reference numerals of principal parts of the drawings** 1 : rear-view mirror 2: LCD board
3: board 4: reflective mirror
5: rear-view CCD camera 7: amplification unit
8: LCD drive unit 10: remote controller receiving unit
12: controller 15: liquid crystal television signal processing unit 16: voice amplifying unit 18: car navigation system
19: hands-free signal processing unit
Best Mode for Carrying Out the Invention
Hereinafter, this invention will be described in detail with reference to the appended drawings as follows. Fig. 1 is a drawing showing a structure of a rear-view mirror in accordance with the present invention. An LCD board 2 normally forming a dark background is formed on one side of a rear-view mirror 1 positioned at a front-top of a car, and a dark board 3 is formed on the other side of the rear-view mirror 1.
Front surfaces of the LCD board 2 and the dark board 3 are formed to come into contact with a rear surface of a reflective mirror 4. As a result, in a normal mode, the rear-view mirror 1 normally functions as the reflective mirror 4 with its rear surface darkened, so the rear view can be watched on a whole surface of the reflective mirror 4. On the other hand, when images are displayed on the LCD board 2, an image can be watched through one part 4a of the reflective mirror 4 and, at the same time, a reflected rear view can be watched on the other part of the reflective mirror 4.
Fig. 2 is a block diagram showing an entire configuration of a display apparatus of the present invention.
A rear-view CCD camera 5 for photographing a dead ground behind the car is positioned at the back of the car, and the CCD camera 5 performs photographing by a control signal through a camera drive unit 6.
Signals of photographed images obtained by the CCD camera 5 operated by the camera drive unit 6 are amplified in an amplification unit 7 to compensate its loss during transmission. A liquid crystal drive unit 8 receiving the image signal amplified by the above amplifying unit 7 processes the signal and displays its image on the LCD board 2 in the rear-view mirror 1 , so the driver can watch the image.
A controller 12, to which a selected particular through a switch input unit
9 projected out of the rear-view mirror 1, or a selected particular through a remote control receiving unit 10 receiving wireless signals from a remote controller is inputted, controls operations of the camera drive unit 6 and the liquid crystal drive unit 8, so the driver's observation of the rear area is possible.
If a television mode is selected through the switch input unit 9 or the remote controller 11, the controller recognizing this selection outputs a control signal to a tuner 13, where TV broadcasting signals on a selected channel among television broadcast signals through an antenna 14 are selected and sent to the liquid crystal TV signal processing unit 15, so that the image is displayed through the LCD board 2 and at the same time voice can be heard by a speaker 17 through a voice amplifying unit 16. If a car navigation mode is selected through the switch input unit 9 or the remote controller 11, the controller 12 recognizing this selection displays, on the LCD board 2, an image of a map showing a route to a destination which is read from map data in a car navigation system 18, so that all the people in the car can watch the image. In addition, a general hands-free signal processing unit 19 is provided in the rear-view mirror 1, so image signals are displayed on the LCD board 2, the driver's voice is inputted through a microphone 20, and the other side's voice is outputted through a speaker 17. Accordingly, the telephone conversation is possible while a user watches an image transmitted from a video telephone on the LCD board 2.
In the display apparatus using the rear-view mirror as constructed above, the LCD board 2 and the board 3 are formed in the rear-view mirror 1 and the reflective mirror 4 is combined with the LCD board 2 and the board. Accordingly, in a normal driving mode, the rear-view mirror 1 functions as the reflective mirror 4 with its rear surface darkened, and the rear view can be watched through a whole surface of the reflective mirror 4.
If the driver selects the rear-image display mode by the switch input unit 9 or the remote controller 1 1 to drive the car rearward, the controller 12 recognizing the selection outputs a control signal to the camera drive unit 6 so as to allow the CCD camera 5 to photograph a rear area.
Signals of images photographed by the CCD camera 5 are amplified by the amplification unit 7 whereby signal loss during transmission is compensated, and then the amplified signals are sent to the liquid crystal drive unit 8 to be displayed as images on the LCD board 2 in the rear-view mirror, so that the images can be watched through the reflective mirror 4 of the rear-view mirror 1. If the television mode is selected through the switch input unit 9 or the remote controller 1 1, the controller recognizing this selection outputs a control signal to a tuner 13, where TV broadcasting signals on a selected channel among television broadcast signals through an antenna 14 are selected and sent to the liquid crystal TV signal processing unit 15, so that the images are displayed through the LCD board 2 and at the same time voice can be heard by a speaker 17 through a voice amplifying unit 16.
If the car navigation mode is selected through the switch input unit 9 or the remote controller 11, the controller 12 recognizing this selection displays, on the LCD board 2, an image of a map showing a route to a destination which is read from map data in a car navigation system 18, so that all of the people in the car can watch the image.
In addition, if a hands-free mode is selected during driving the car, at the hands-free signal processing unit 19 having input/output signals to/from a mobile phone, image signals are displayed on the LCD board 2, and the driver's voice is inputted through the microphone 20 and an opponent's voice is outputted through a speaker 17, so that the telephone conversation with images is possible on which voice transmission is performed while watching image signals from a video telephone on the LCD board 2. Figs. 3 and 4 show a structure of a stern mirror and a rear-view CCD camera in the stern mirror according to the present invention.
The rear-view CCD camera 5 is positioned in the stern mirror 22 located at the back of the car 21.
Accordingly, the area just behind the car 21 can be observed on a whole surface of the rear-view mirror 1 (or on a part of the mirror) in the car through a convex mirror 23 of the stern mirror 22.
In the present invention as constructed above, the CCD camera 5 is positioned in the stern mirror 22 and the rear-view mirror also has the LCD board 2, the board 3 and the reflective mirror 4, so that in a normal mode the rear-view mirror functions as a reflective mirror 4 with its rear surface darkened, and the rear view can be watched through a whole surface of the reflective mirror 4.
If the driver selects the rear-image display mode through the switch input unit 9 or the remote controller 1 1 for a backward motion of the car, the controller 12 recognizing the selection outputs a control signal to the camera drive unit 6 to make the CCD camera 5 in the stern mirror 22 to photograph the area.
The signals of images photographed by the CCD camera 5 are amplified by the amplification unit 7 whereby signal loss during transmission is compensated, and then the amplified signals are sent to the liquid crystal drive unit 8 to be displayed as images on the LCD board 2 in the rear-view mirror, so that the driver can watch the images through the reflective mirror 4 of the rear- view mirror
1.
Through the part 4a of the reflective mirror 4 of the rear-view mirror 1, the area just behind the car 21, which is reflected through the convex mirror 23 of the stern mirror 22, can be watched. If the car moves rearward while the CCD camera 5 is not operated, the area image which is reflected by the stern mirror 22 can be watched through the whole reflective mirror 4 of the rear-view mirror 1.
Industrial Applicability
Accordingly, in the present invention, a rear surface of a rear-view mirror positioned in the front-top of a car is made dark so that the rear-view mirror normally functions as a reflective mirror, while during the output of image signals through an LCD board at the rear surface of the mirror, the image signals are projected forward to be displayed.
The signals of images photographed by the CCD camera which is controlled by a camera drive unit are amplified by an amplification unit, and are transmitted through a liquid crystal drive unit to an LCD board in the rear-view mirror to be displayed.
The LCD board displays image signals for a general liquid crystal television so that television watching is possible in the car. A controller for controlling operations is adapted to select an image display mode, a television watching mode or a car navigation mode according to a user's selection by a mode selection switch.
The controller is provided with a receiving unit for a remote controller so that the user is able to select functions of a mode change, a channel up/down and a volume up/down, etc. by the remote controller.

Claims

Claims
1. A display apparatus using a rear-view mirror, wherein: signals photographed by a rear-view Charge-Coupled Device (CCD) camera 5 positioned at the back of the car and operated by a camera drive unit 6 are amplified in an amplification unit 7; a liquid crystal drive unit 8 receiving the photographed signals amplified by the amplifying unit 7 processes the signals to display images on a Liquid Crystal Display (LCD) board 2 in a rear-view mirror 1 ; a controller 12, to which a selected particular through a switch input unit 9 projected out of the rear-view mirror 1, or a selected particular through a remote control receiving unit 10 receiving wireless signals from a remote controller is inputted, controls operations of the camera drive unit 6 and the liquid crystal drive unit 8; the controller 12 outputs a control signal to a tuner 13 and the liquid crystal television signal processing unit 15, so the image is displayed through the LCD board 2 and voice can be heard by a speaker 17 through a voice amplifying unit 16; and the controller 12 displays map data read from a car navigation system 18 on the LCD board 2. .
2. The display apparatus according to claim 1, wherein the LCD board 2 operated by the liquid crystal drive unit 8 for displaying images is formed to come into contact with a part 4a of a rear surface of the reflective mirror 4 of the rearview mirror 1, so in a normal mode the rear-view mirror 1 normally functions as the reflective mirror 4 with its rear surface darkened and a rear view is watched on a whole surface of the reflective mirror 4, while during operation of the LCD board 2 images photographed by the CCD camera 5 are displayed on the part 4a of the reflective mirror 4 and a rear view is watched on the other part of the reflective mirror 4.
3. The display apparatus according to claim 1, wherein a hands-free function is combined with the rear-view mirror 1 so that telephone conversation can be made while images of a video telephone are watched.
4. The display apparatus according to claim 1, wherein the rear-view CCD camera 23 is positioned in the stern mirror 22 located at the back of the car 21, so images reflected from the convex mirror 23 of the stern mirror 22 or images photographed by the rear-view CCD camera 5 are displayed on a whole surface of the rear-view mirror 1, or on a part of the rear-view mirror 1.
PCT/KR2001/002187 2000-12-19 2001-12-17 Display apparatus using rear-view mirror WO2002049881A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002217578A AU2002217578A1 (en) 2000-12-19 2001-12-17 Display apparatus using rear-view mirror

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2020000035593U KR200225624Y1 (en) 2000-12-19 2000-12-19 A displaying apparatus which makes use of inside rear view mirror
KR2000/35593U 2000-12-19

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AU (1) AU2002217578A1 (en)
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