Display system and microdisplay apparatus
First Claim
Patent Images
1. A display system comprising:
- a host apparatus having an image output interface;
a display apparatus which is operated by supply of at least one of a video signal and power from said host apparatus; and
a communication interface for communicating data between said host apparatus and said display apparatus;
wherein said display apparatus comprises;
a storing section for storing power consumption data;
a storing section for storing on-screen display information; and
a display-side communication-section for transmitting said stored power consumption data and said on-screen display information;
wherein said host apparatus comprises;
a host-side communication section for receiving said power consumption data transmitted from said display apparatus and said on-screen display information;
a power control section for entirely performing power control of said display system based on said power consumption data received from said host-side communication section; and
an information superimposing section for superimposing said received on-screen display information on the video signal; and
wherein the host-side communication section transmits the video signal having the on-screen display information superimposed thereon, the display-side communication section receives the transmitted signal, and the display apparatus displays an image of the on-screen display information.
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Abstract
A display system includes a host apparatus having a video interface circuit and a display apparatus operated by feed of a video image and power from the host apparatus, and also has a communication function for receiving and transmitting data between the host apparatus and the display apparatus. In the display system, the display apparatus transmits power consumption data thereof stored in an EEPROM to the host apparatus and processes the power consumption data thereof which is received by the host apparatus, thus controlling power of the display system including the host apparatus and the display apparatus.
26 Citations
16 Claims
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1. A display system comprising:
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a host apparatus having an image output interface; a display apparatus which is operated by supply of at least one of a video signal and power from said host apparatus; and a communication interface for communicating data between said host apparatus and said display apparatus; wherein said display apparatus comprises; a storing section for storing power consumption data; a storing section for storing on-screen display information; and a display-side communication-section for transmitting said stored power consumption data and said on-screen display information; wherein said host apparatus comprises; a host-side communication section for receiving said power consumption data transmitted from said display apparatus and said on-screen display information; a power control section for entirely performing power control of said display system based on said power consumption data received from said host-side communication section; and an information superimposing section for superimposing said received on-screen display information on the video signal; and wherein the host-side communication section transmits the video signal having the on-screen display information superimposed thereon, the display-side communication section receives the transmitted signal, and the display apparatus displays an image of the on-screen display information. - View Dependent Claims (2, 3, 4, 5)
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6. A display system comprising:
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a host apparatus having an image output interface; a display apparatus which is operated by receiving at least a video signal from said host apparatus; and a communication interface for communicating data between said host apparatus and said display apparatus, wherein said display apparatus comprises a memory for storing on-screen display information, and a display-side communication section for transmitting the on-screen display information, wherein said host apparatus comprises a host-side communication section for receiving the on-screen display information transmitted by said display apparatus, and an information superimposing section for superimposing the received on-screen display information on the video signal, and wherein in said display system, said host-side communication section transmits the video signal having the on-screen display information superimposed thereon, said display-side communication section receives the transmitted signal, and said display apparatus displays an image of said on-screen display information. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method for controlling a display system including a host apparatus and a display apparatus, said method comprising:
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supplying at least a video signal from the host apparatus to the display apparatus to operate the display apparatus; transmitting on-screen display information stored in the display apparatus from the display apparatus to the host apparatus; superimposing, at the host apparatus, the on-screen display information received by the host apparatus onto the video signal that is supplied from the host apparatus to the display apparatus; and displaying an image of the on-screen display information on the display apparatus based on the video signal having the on-screen display information superimposed thereon.
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Specification