System for providing and displaying video information using a plurality of video sources
AssigneeMagna Electronics Inc.
InventorsAxel Nix, Yuesheng Lu
Life of this patent
Estimating the term…
Abstract
In one aspect, a system for providing and displaying video information in a vehicle is provided. The system includes a display device having a video input, a first camera mountable at the rear of the vehicle, the first camera having a first video output, a second camera mountable at the passenger side of the vehicle, the second camera having a second video output, wherein the first video output and the second video output are connected in parallel to the video input of the display device, and a camera control device configured to keep no more than one camera activated at a time.
Claims11
A system for providing and displaying video information in a vehicle, comprising;
- a display device having a video input:
- a first camera mountable at the rear of the vehicle, the first camera having a first video output;
- a second camera mountable at the passenger side of the vehicle, the second camera having a second video output, wherein the first video output and the second video output are connected in parallel to the video input of the display device;
- a camera control device configured to keep no more than one camera activated at a time when the display device is active;
- and
- wherein each camera has an output impedance of about 150 Ohms, and the parallel resistance of the first and second cameras is about 75 Ohms, wherein each video source has a video plus output line and video minus output line connected together through a 150 Ohm resistor, and wherein the video minus output line is connected to ground.
A system for providing and displaying video information in a vehicle, comprising:
- a display device having a video input;
- a first camera mountable at the rear of the vehicle, the first camera having a first video output;
- a second camera mountable at the passenger side of the vehicle, the second camera having a second video output, wherein the first video output and the second video output are connected in parallel to the video input of the display device;
- a camera control device configured to keep no more than one camera activated at a time when the display device is active;
- and
- wherein each camera has an output impedance of about 150 Ohms, and the parallel resistance of the first and second cameras is about 75 Ohms, wherein each camera has a video plus output line and video minus output line, and wherein each of the video plus and video minus output lines is connected to ground through a 75 Ohm resistor.
A system for providing and displaying video information in a vehicle, comprising:
- a display device having a video input;
- a first camera mountable at the rear of the vehicle, the first camera having a first video output;
- a second camera mountable at the passenger side of the vehicle, the second camera having a second video output, wherein the first video output and the second video output are connected in parallel to the video input of the display device;
- and
- a camera control device configured to keep no more than one camera activated at a time when the display device is active, wherein each camera has a video plus output line and video minus output line, and a 75 Ohm resistor and a switch in series with the 75 Ohm resistor connected between the video plus and video minus output lines.
A camera for a vehicle, comprising:
- an image sensor having an image sensor video output configured for transmitting a stream of video captured by the image sensor to a camera video output connector, wherein the image sensor video output includes a video plus electrical conduit and a video minus electrical conduit;
- a microcontroller operatively connected to the image sensor;
- a serial data interface configured to permit the microcontroller to communicate with at least one other electronic control module in the vehicle;
- a resistor having a selected impedance connected in series with a switch, wherein the resistor and switch connect the video plus electrical conduit and the video minus electrical conduit, wherein the switch is openable to switch the image sensor video output into a high impedance state and is closable to switch the image sensor video output into an operating impedance state, wherein the microcontroller is configured to comply with a selected message received from another electronic control module in the vehicle through the serial data interface by opening the switch.
Dependencies are inferred from the claim text.