Audio-visual system with two-way communication between devices
First Claim
1. An audiovisual system comprising:
- a first audiovisual device;
a plurality of function keys arranged in said first audiovisual device, each function key corresponding to respective ones of a plurality of control data;
connection cable means for connecting said first audiovisual device to a second audiovisual device;
transmitting/receiving means for transmitting and/or receiving data between said first audiovisual device and said second audiovisual device over said connection cable means;
first reading means arranged in said first audiovisual device for reading control data from said second audiovisual device;
memory means arranged in said first audiovisual device for storing said control data read from said second audiovisual device; and
second reading means arranged in said first audiovisual device for reading said stored control data from said memory means and transmitting said control data back to said second audiovisual device via said transmitting/receiving means and said connection cable means according to operation of one of said function keys.
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Abstract
An audiovisual system allows a plurality of audiovisual devices to be interconnected for convenient operation from a single set of function keys. The system includes a first AV device and other connected AV devices connected so as to bidirectionally transfer data. Control data from connected devices are read by a CPU of the first device and written to a RAM memory portion of the first device. When a function key of the first device is operated, a connected device is operated according to the control data read therefrom and stored in the first device. A memory card incorporating control data for the external devices may further be accessed by the first AV device for reading control data for the external devices. A particular function key may control as many functions as there are connected devices in the AV system.
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Citations
5 Claims
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1. An audiovisual system comprising:
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a first audiovisual device; a plurality of function keys arranged in said first audiovisual device, each function key corresponding to respective ones of a plurality of control data; connection cable means for connecting said first audiovisual device to a second audiovisual device; transmitting/receiving means for transmitting and/or receiving data between said first audiovisual device and said second audiovisual device over said connection cable means; first reading means arranged in said first audiovisual device for reading control data from said second audiovisual device; memory means arranged in said first audiovisual device for storing said control data read from said second audiovisual device; and second reading means arranged in said first audiovisual device for reading said stored control data from said memory means and transmitting said control data back to said second audiovisual device via said transmitting/receiving means and said connection cable means according to operation of one of said function keys. - View Dependent Claims (2, 3, 4, 5)
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Specification