Video mirror system suitable for use in a vehicle
First Claim
1. A video mirror system suitable for use in a vehicle, said video mirror system comprising:
- an interior rearview mirror assembly;
said interior rearview mirror assembly comprising an electrochromic reflective element, said reflective element providing a rearward field of view to a driver of the vehicle when said interior rearview mirror assembly is mounted in the vehicle;
said electrochromic reflective element comprising an electrochromic medium disposed between a first substrate and a second substrate;
said first substrate being closer to the driver of the vehicle than said second substrate when said interior rearview mirror assembly is mounted in the vehicle;
said first substrate having a first surface and a second surface;
said first surface being closer to the driver of the vehicle than said second surface when said interior rearview mirror assembly is mounted in the vehicle;
said second substrate having a third surface and a fourth surface;
said third surface being closer to the driver of the vehicle than said fourth surface when said interior rearview mirror assembly is mounted in the vehicle;
a transparent electrical conductor disposed at said second surface of said first substrate;
a mirror reflector disposed at said third surface of said second substrate;
said mirror reflector comprising a metal layer;
said metal layer comprising at least one of (i) silver, (ii) aluminum, (iii) an alloy of silver, and (iv) an alloy of aluminum;
said interior rearview mirror assembly comprising a video screen;
said video screen disposed to the rear of said fourth surface of said second substrate;
said video screen comprising a back-lit liquid crystal device;
said video screen emitting light when actuated to display a video image, said emitted light passing through said electrochromic reflective element to be viewed by the driver of the vehicle;
said mirror reflector comprising a transflective mirror reflector and wherein the presence of said video screen disposed to the rear of said fourth surface of said second substrate is substantially unobservable to a driver of the vehicle until said video screen is actuated to emit light that passes through said electrochromic reflective element to be viewed by the driver of the vehicle;
said interior rearview mirror assembly comprising control circuitry;
said control circuitry receiving a signal indicative of selection of a reverse gear of the vehicle by the driver of the vehicle;
wherein said control circuitry actuates said video screen upon selection of a reverse gear by the driver of the vehicle in order to display video images captured by a video imaging device disposed to the rear of the vehicle and having a field of view rearward of and external to the vehicle;
wherein said control circuitry deactuates said video screen upon deselection of a reverse gear of the vehicle in order to cease display of video images captured by said video imaging device disposed to the rear of the vehicle and having a field of view rearward of and external to the vehicle;
wherein said video mirror system includes electronically generated indicia overlaying the video images on said video screen; and
wherein said interior rearview mirror assembly comprises at least one light emitting diode, said at least one light emitting diode emitting white light when actuated.
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Accused Products
Abstract
A vehicular video mirror system comprises an interior electrochromic mirror having a transflective mirror reflector and a video screen disposed behind the mirror reflector so that the presence of the video screen is substantially unobservable to a driver of the vehicle until the video screen is actuated to emit light that passes through the electrochromic reflective element to be viewed by the driver of the vehicle. Control circuitry receives a signal indicative of selection of a reverse gear of the vehicle by the driver and actuates the video screen in order to display video images captured by a video imaging device disposed to the rear of the vehicle and having a field of view rearward of and external to the vehicle.
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Citations
30 Claims
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1. A video mirror system suitable for use in a vehicle, said video mirror system comprising:
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an interior rearview mirror assembly;
said interior rearview mirror assembly comprising an electrochromic reflective element, said reflective element providing a rearward field of view to a driver of the vehicle when said interior rearview mirror assembly is mounted in the vehicle;
said electrochromic reflective element comprising an electrochromic medium disposed between a first substrate and a second substrate;
said first substrate being closer to the driver of the vehicle than said second substrate when said interior rearview mirror assembly is mounted in the vehicle;
said first substrate having a first surface and a second surface;
said first surface being closer to the driver of the vehicle than said second surface when said interior rearview mirror assembly is mounted in the vehicle;
said second substrate having a third surface and a fourth surface;
said third surface being closer to the driver of the vehicle than said fourth surface when said interior rearview mirror assembly is mounted in the vehicle;
a transparent electrical conductor disposed at said second surface of said first substrate;
a mirror reflector disposed at said third surface of said second substrate;
said mirror reflector comprising a metal layer;
said metal layer comprising at least one of (i) silver, (ii) aluminum, (iii) an alloy of silver, and (iv) an alloy of aluminum;
said interior rearview mirror assembly comprising a video screen;
said video screen disposed to the rear of said fourth surface of said second substrate;
said video screen comprising a back-lit liquid crystal device;
said video screen emitting light when actuated to display a video image, said emitted light passing through said electrochromic reflective element to be viewed by the driver of the vehicle;
said mirror reflector comprising a transflective mirror reflector and wherein the presence of said video screen disposed to the rear of said fourth surface of said second substrate is substantially unobservable to a driver of the vehicle until said video screen is actuated to emit light that passes through said electrochromic reflective element to be viewed by the driver of the vehicle;
said interior rearview mirror assembly comprising control circuitry;
said control circuitry receiving a signal indicative of selection of a reverse gear of the vehicle by the driver of the vehicle;
wherein said control circuitry actuates said video screen upon selection of a reverse gear by the driver of the vehicle in order to display video images captured by a video imaging device disposed to the rear of the vehicle and having a field of view rearward of and external to the vehicle;
wherein said control circuitry deactuates said video screen upon deselection of a reverse gear of the vehicle in order to cease display of video images captured by said video imaging device disposed to the rear of the vehicle and having a field of view rearward of and external to the vehicle;
wherein said video mirror system includes electronically generated indicia overlaying the video images on said video screen; and
wherein said interior rearview mirror assembly comprises at least one light emitting diode, said at least one light emitting diode emitting white light when actuated. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A video mirror system suitable for use in a vehicle, said video mirror system comprising:
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an interior rearview mirror assembly;
said interior rearview mirror assembly comprising an electrochromic reflective element, said reflective element providing a rearward field of view to a driver of the vehicle when said interior rearview mirror assembly is mounted in the vehicle;
said electrochromic reflective element comprising an electrochromic medium disposed between a first substrate and a second substrate;
said first substrate being closer to the driver of the vehicle than said second substrate when said interior rearview mirror assembly is mounted in the vehicle;
said first substrate having a first surface and a second surface;
said first surface being closer to the driver of the vehicle than said second surface when said interior rearview mirror assembly is mounted in the vehicle;
said second substrate having a third surface and a fourth surface;
said third surface being closer to the driver of the vehicle than said fourth surface when said interior rearview mirror assembly is mounted in the vehicle;
a transparent electrical conductor disposed at said second surface of said first substrate;
a mirror reflector disposed at said third surface of said second substrate;
said mirror reflector comprising a metal layer;
said interior rearview mirror assembly comprising a video screen;
said video screen disposed to the rear of said fourth surface of said second substrate;
said video screen comprising a back-lit liquid crystal device;
said video screen emitting light when actuated to display a video image, said emitted light passing through said electrochromic reflective element to be viewed by the driver of the vehicle;
said mirror reflector comprising a transflective mirror reflector and wherein the presence of said video screen disposed to the rear of said fourth surface of said second substrate is substantially unobservable to a driver of the vehicle until said video screen is actuated to emit light that passes through said electrochromic reflective element to be viewed by the driver of the vehicle;
said interior rearview mirror assembly comprising control circuitry;
said control circuitry receiving a signal indicative of selection of a reverse gear of the vehicle by the driver of the vehicle;
wherein said control circuitry actuates said video screen upon selection of a reverse gear by the driver of the vehicle in order to display video images captured by a video imaging device disposed to the rear of the vehicle and having a field of view rearward of and external to the vehicle;
wherein said control circuitry deactuates said video screen upon deselection of a reverse gear of the vehicle in order to cease display of video images captured by said video imaging device disposed to the rear of the vehicle and having a field of view rearward of and external to the vehicle;
wherein said video mirror system includes electronically generated indicia overlaying the video images on said video screen;
wherein said interior rearview mirror assembly connects to a network bus of the vehicle; and
wherein said video screen has a diagonal screen dimension in a range of about 1 inch to about 4 inches. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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23. A video mirror system suitable for use in a vehicle, said video mirror system comprising:
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an interior rearview mirror assembly;
said interior rearview mirror assembly comprising an electrochromic reflective element, said reflective element providing a rearward field of view to a driver of the vehicle when said interior rearview mirror assembly is mounted in the vehicle;
said electrochromic reflective element comprising an electrochromic medium disposed between a first substrate and a second substrate;
said first substrate being closer to the driver of the vehicle than said second substrate when said interior rearview mirror assembly is mounted in the vehicle;
said first substrate having a first surface and a second surface;
said first surface being closer to the driver of the vehicle than said second surface when said interior rearview mirror assembly is mounted in the vehicle;
said second substrate having a third surface and a fourth surface;
said third surface being closer to the driver of the vehicle than said fourth surface when said interior rearview mirror assembly is mounted in the vehicle;
a transparent electrical conductor disposed at said second surface of said first substrate;
a mirror reflector disposed at said third surface of said second substrate;
said mirror reflector comprising a metal layer;
wherein said metal layer comprises at least one of (i) silver, (ii) aluminum, (iii) an alloy of silver, and (iv) an alloy of aluminum;
said interior rearview mirror assembly comprising a video screen;
said video screen disposed to the rear of said fourth surface of said second substrate;
said video screen comprising a back-lit liquid crystal device;
said video screen emitting light when actuated to display a video image, said emitted light passing through said electrochromic reflective element to be viewed by the driver of the vehicle;
said mirror reflector comprising a transflective mirror reflector and wherein the presence of said video screen disposed to the rear of said fourth surface of said second substrate is substantially unobservable to a driver of the vehicle until said video screen is actuated to emit light that passes through said electrochromic reflective element to be viewed by the driver of the vehicle;
said interior rearview mirror assembly comprising control circuitry;
said control circuitry receiving a signal indicative of selection of a reverse gear of the vehicle by the driver of the vehicle;
wherein said control circuitry actuates said video screen upon selection of a reverse gear by the driver of the vehicle in order to display video images captured by a video imaging device disposed to the rear of the vehicle and having a field of view rearward of and external to the vehicle;
wherein said control circuitry deactuates said video screen upon deselection of a reverse gear of the vehicle in order to cease display of video images captured by said video imaging device disposed to the rear of the vehicle and having a field of view rearward of and external to the vehicle;
wherein said video mirror system includes electronically generated indicia overlaying the video images on said video screen;
wherein said interior rearview mirror assembly connects to a network bus of the vehicle;
wherein said video screen has a diagonal screen dimension in a range of about 1 inch to about 4 inches;
wherein said interior rearview mirror assembly comprises at least one light emitting diode, said at least one light emitting diode emitting white light when actuated; and
wherein said video imaging device comprises a CMOS camera. - View Dependent Claims (24, 25, 26, 27)
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28. A video mirror system suitable for use in a vehicle, said video mirror system comprising:
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an interior rearview mirror assembly;
said interior rearview mirror assembly comprising an electrochromic reflective element, said reflective element providing a rearward field of view to a driver of the vehicle when said interior rearview mirror assembly is mounted in the vehicle;
said electrochromic reflective element comprising an electrochromic medium disposed between a first substrate and a second substrate;
said first substrate being closer to the driver of the vehicle than said second substrate when said interior rearview mirror assembly is mounted in the vehicle;
said first substrate having a first surface and a second surface;
said first surface being closer to the driver of the vehicle than said second surface when said interior rearview mirror assembly is mounted in the vehicle;
said second substrate having a third surface and a fourth surface;
said third surface being closer to the driver of the vehicle than said fourth surface when said interior rearview mirror assembly is mounted in the vehicle;
a transparent electrical conductor disposed at said second surface of said first substrate;
a mirror reflector disposed at said third surface of said second substrate;
said mirror reflector comprising a metal layer;
wherein said metal layer comprises at least one of (i) silver, (ii) aluminum, (iii) an alloy of silver, and (iv) an alloy of aluminum;
said interior rearview mirror assembly comprising a video screen;
said video screen disposed to the rear of said fourth surface of said second substrate;
said video screen comprising a back-lit liquid crystal device;
said video screen emitting light when actuated to display a video image, said emitted light passing through said electrochromic reflective element to be viewed by the driver of the vehicle;
said mirror reflector comprising a transflective mirror reflector and wherein the presence of said video screen disposed to the rear of said fourth surface of said second substrate is substantially unobservable to a driver of the vehicle until said video screen is actuated to emit light that passes through said electrochromic reflective element to be viewed by the driver of the vehicle;
said interior rearview mirror assembly comprising control circuitry;
said control circuitry receiving a signal indicative of selection of a reverse gear of the vehicle by the driver of the vehicle;
wherein said control circuitry actuates said video screen upon selection of a reverse gear by the driver of the vehicle in order to display video images captured by a video imaging device disposed to the rear of the vehicle and having a field of view rearward of and external to the vehicle;
wherein said control circuitry deactuates said video screen upon deselection of a reverse gear of the vehicle in order to cease display of video images captured by said video imaging device disposed to the rear of the vehicle and having a field of view rearward of and external to the vehicle;
wherein said video mirror system includes electronically generated indicia overlaying the video images on said video screen;
wherein said indicia includes at least one of (i) an indication of a distance to an object and (ii) a graphic display;
wherein said interior rearview mirror assembly connects to a network bus of the vehicle; and
wherein said interior rearview mirror assembly comprises a plurality of light emitting diodes, said plurality of light emitting diodes emitting white light when actuated. - View Dependent Claims (29, 30)
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Specification