Apparatuses interconnected for the communication of control mess

Details Apparatuses interconnected for the communication of control mess Apparatuses interconnected for the communication of control mess

1995-06-07

1997-08-19

Peng, John K.

Television

Receiver circuitry

Remote control

348552, 34082504, 34082522, 341 22, H04N 544

Patent

active

056593732

ABSTRACT:
Apparatuses (1,2,3) of an audio/video system convey user commands to one another via a serial control bus (4). The user commands convey key activations on a remote handset (18a), whose keys include both "normal" keys such as "mute/unmute", and "repeat" keys such as "volume up" and "volume down". To convey a repeat key activation, a first control means (12) within one apparatus addresses a key activation message to a second control means (32) within another apparatus. The second control means (32) synthesises locally a repetitive series of user commands, until a key release message is received. The need for repetitive user command messages to be sent via the control bus is thereby eliminated, and the frequency of repetition can be defined locally to give consistent response to user commands. The second control means (32) can also implement a de-bouncing function, disregarding duplicate user command messages sent by a third apparatus (2) which also responds to the handset (18a).

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patent: 5479385 (1995-12-01), Hoekstra
patent: 5486823 (1996-01-01), Tsai

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