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US 2004/0001162 A1Published application
Method and apparatus for modulating video signals
AssigneeMicrosoft Corporation
InventorLouis F. Coffin, III
Life of this patent
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Abstract
A luminance component of a video signal is modulated in a first frequency band. A chrominance component of the video signal is modulated in a second frequency band. The modulated luminance component and the modulated chrominance component are then transmitted across a communication link.
Claims41
A method comprising:
- modulating a luminance component of a video signal, wherein the luminance component of the video signal is modulated in a first frequency band;
- modulating a chrominance component of the video signal, wherein the chrominance component of the video signal is modulated in a second frequency band;
- and
- transmitting the modulated luminance component of the video signal and the modulated chrominance component of the video signal across a communication link.
1 more element
A method comprising:
- modulating a luminance component of a video signal, wherein the luminance component of the video signal is modulated in a first frequency band;
- modulating a first chrominance component of the video signal, wherein the first chrominance component of the video signal is modulated in a second frequency band;
- modulating a second chrominance component of the video signal, wherein the second chrominance component of the video signal is modulated in a third frequency band;
- and
- transmitting the modulated luminance component of the video signal, the first modulated chrominance component of the video signal, and the second modulated chrominance component of the video signal across a communication link.
2 more elements
A method comprising:
- receiving a signal containing a modulated luminance component and a modulated chrominance component;
- demodulating the modulated luminance component;
- demodulating the modulated chrominance component;
- and
- generating an S-Video signal containing the luminance component and the chrominance component.
2 more elements
A method comprising:
- receiving a signal containing a modulated luminance component, a first modulated chrominance component, and a second modulated chrominance component;
- demodulating the modulated luminance component;
- demodulating the first modulated chrominance component;
- demodulating the second modulated chrominance component;
- and
- generating a video signal containing the luminance component, the first chrominance component, and the second chrominance component.
3 more elements
An apparatus comprising:
- a first oscillator configured to modulate a luminance component of a video signal in a first frequency band;
- a second oscillator configured to modulate a chrominance component of a video signal in a second frequency band;
- and
- a transmitter coupled to the first oscillator and the second oscillator, the transmitter configured to transmit the modulated luminance component and the modulated chrominance component across a communication link.
1 more element
An apparatus comprising:
- a receiver configured to receive a modulated luminance component and a modulated chrominance component;
- a first oscillator configured to demodulate the luminance component;
- a second oscillator configured to demodulate the chrominance component;
- and
- a transmitter coupled to the first oscillator and the second oscillator, the transmitter configured to transmit a video signal containing the luminance component and the chrominance component.
2 more elements
An apparatus comprising:
- means for receiving a modulated luminance component and a modulated chrominance component of a video signal;
- means for demodulating the modulated luminance component of the video signal;
- means for demodulating the modulated chrominance component of the video signal;
- and
- means for generating an S-Video signal containing the luminance component and the chrominance component.
2 more elements
One or more computer-readable media comprising computer executable instructions that, when executed, direct a client device to:
- modulate a luminance component of a video signal, wherein the luminance component of the video signal is modulated in a first frequency band;
- modulate a chrominance component of the video signal, wherein the chrominance component of the video signal is modulated in a second frequency band;
- and
- transmit the modulated luminance component of the video signal and the modulated chrominance component of the video signal across a communication link.
1 more element
Dependencies are inferred from the claim text.