Rear camera system for a vehicle with a trailer
DCFirst Claim
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1. An apparatus, comprising:
- a video control circuit configured to receive a first video signal from a first camera and a second video signal from a second camera, wherein the video control circuit is configured to provide the first video signal or the second video signal in response to a control signal, wherein the control signal is indicative of whether a trailer plug is connected to a vehicle plug, wherein the video control circuit comprises a sense circuit configured to generate the control signal, the sense circuit being configured to determine the trailer plug is connected by monitoring power provided to the second camera.
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Abstract
An apparatus including a video control circuit is configured to receive a first video signal from a first camera and a second vide signal from a second camera. The video control circuit is configured to provide the first video signal or the second video signal in response to a control signal. The control signal is indicative of whether a trailer plug is connected to a vehicle plug.
28 Citations
20 Claims
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1. An apparatus, comprising:
a video control circuit configured to receive a first video signal from a first camera and a second video signal from a second camera, wherein the video control circuit is configured to provide the first video signal or the second video signal in response to a control signal, wherein the control signal is indicative of whether a trailer plug is connected to a vehicle plug, wherein the video control circuit comprises a sense circuit configured to generate the control signal, the sense circuit being configured to determine the trailer plug is connected by monitoring power provided to the second camera. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of using a trailer camera with a vehicle including a reverse camera and a display, the method comprising:
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receiving at least one of a first video signal from the reverse camera and a second video signal from a trailer camera; providing the first video signal to the display when the vehicle is in reverse and a sense signal is not present; and providing the second video signal to the display when the vehicle is in reverse and the sense signal is present, wherein the sense signal is provided by a sense circuit configured to monitor power associated with the trailer camera through a trailer plug associated with the trailer camera. - View Dependent Claims (9, 10, 11, 12)
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13. A video control module for a vehicle, the vehicle being capable of use with a trailer, the vehicle having a backup camera and a display and the trailer having a trailer camera, the video control module comprising:
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a first input for receiving a first video signal from the backup camera; a second input for receiving a second video signal from the trailer camera; and a control input for receiving a video signal enable signal on a video signal enable conductor, and a control circuit for providing the second video signal to the display in response at least in part to the video signal enable signal, wherein the video signal enable signal is provided by a sense circuit configured to sense power usage by the trailer camera through a trailer plug. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification