VEHICULAR VISION SYSTEM
First Claim
1. A vehicular vision system, said vehicular vision system comprising:
- a camera includes an image sensor;
said camera having a field of view exterior of a vehicle equipped with said vehicular vision system;
a control comprising a microcontroller;
a serial data interface;
a video output configured for transmitting a stream of video captured by said image sensor;
said video output including a video plus electrical conduit and a video minus electrical conduit;
said microcontroller operatively connected to said image sensor;
said serial data interface permitting said microcontroller to communicate with at least one electronic device in the equipped vehicle;
a resistor having a selected impedance connected in series with a switch;
wherein said resistor and said switch connect said video plus electrical conduit and said video minus electrical conduit;
wherein said switch is openable by said microcontroller to deactivate said video output into a high impedance state and is closable to activate said video output; and
wherein said microcontroller is configured to comply with selected messages received through said serial data interface by opening said switch.
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Accused Products
Abstract
A vehicular vision system includes a camera including an image sensor, a control including a microcontroller, and a serial data interface. The camera has a field of view exterior of a vehicle. A video output is configured for transmitting a stream of video captured by the image sensor. The microcontroller is operatively connected to the image sensor. The serial data interface permits the microcontroller to communicate with at least one electronic device in the vehicle. A resistor having a selected impedance is connected in series with a switch. The resistor and the switch connect a video plus electrical conduit and a video minus electrical conduit. The switch is openable by the microcontroller to deactivate the video output into a high impedance state and is closable to activate the video output. The microcontroller is configured to comply with selected messages received through the serial data interface by opening the switch.
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Citations
20 Claims
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1. A vehicular vision system, said vehicular vision system comprising:
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a camera includes an image sensor; said camera having a field of view exterior of a vehicle equipped with said vehicular vision system; a control comprising a microcontroller; a serial data interface; a video output configured for transmitting a stream of video captured by said image sensor; said video output including a video plus electrical conduit and a video minus electrical conduit; said microcontroller operatively connected to said image sensor; said serial data interface permitting said microcontroller to communicate with at least one electronic device in the equipped vehicle; a resistor having a selected impedance connected in series with a switch; wherein said resistor and said switch connect said video plus electrical conduit and said video minus electrical conduit; wherein said switch is openable by said microcontroller to deactivate said video output into a high impedance state and is closable to activate said video output; and wherein said microcontroller is configured to comply with selected messages received through said serial data interface by opening said switch. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A vehicular vision system, said vehicular vision system comprising:
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a camera includes an image sensor; said camera having a field of view exterior of a vehicle equipped with said vehicular vision system; a control comprising a microcontroller; a serial data interface; a video output configured for transmitting a stream of video captured by said image sensor; said video output including a video plus electrical conduit and a video minus electrical conduit; said microcontroller operatively connected to said image sensor; said serial data interface permitting said microcontroller to communicate with at least one electronic device in the equipped vehicle; a switch that is openable by said microcontroller to deactivate said video output into a high impedance state and is closable to activate said video output; wherein said microcontroller is configured to comply with a selected message received through said serial data interface by opening said switch; and wherein said serial data interface comprises at least one of a (i) a CAN interface, (ii) a LIN interface, (iii) a Flexray interface, (iv) a MOST interface and (v) an Ethernet interface. - View Dependent Claims (13, 14, 15, 16)
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17. A vehicular vision system, said vehicular vision system comprising:
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a camera includes an image sensor; said camera having a field of view exterior of a vehicle equipped with said vehicular vision system; a control comprising a microcontroller; a serial data interface; a video output configured for transmitting a stream of video captured by said image sensor; said video output including a video plus electrical conduit and a video minus electrical conduit; said microcontroller operatively connected to said image sensor; said serial data interface permitting said microcontroller to communicate with at least one electronic device in the equipped vehicle; a switch that is openable by said microcontroller to deactivate said video output into a high impedance state and is closable to activate said video output; wherein said serial data interface comprises at least one of a (i) a CAN interface, (ii) a LIN interface, (iii) a Flexray interface, (iv) a MOST interface and (v) an Ethernet interface; wherein said camera comprises one of (i) a rear-mounted rearview camera and (ii) a side-mounted camera; and wherein said control sends instructions to a plurality of cameras of the equipped vehicle over a serial data bus and wherein said control receives messages via said serial data interface. - View Dependent Claims (18, 19, 20)
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Specification