Apparatus interconnected for the communication of control messag

Details Apparatus interconnected for the communication of control messag Apparatus interconnected for the communication of control messag

1993-08-04

1995-12-26

Epps, Georgia Y.

Dynamic information storage or retrieval

Information location or remote operator actuated control

34082524, 34082525, 34082572, H02J 900, H04B 1000, H03J 906

Patent

active

054793858

ABSTRACT:
Apparatuses of an audio/video system convey user commands to one another via a serial control bus. The user commands convey key activations on a remote handset, 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 within one apparatus addresses a key activation message to a second control means within another apparatus. The second control means 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 can also implement a de-bouncing function, disregarding duplicate user command messages sent by a third apparatus which also responds to the handset.

REFERENCES:
patent: 4825209 (1989-04-01), Sasaki et al.
patent: 5081534 (1992-01-01), Geiger et al.
patent: 5128667 (1992-07-01), Enomoto et al.
patent: 5128668 (1992-07-01), Ikezaki et al.
patent: 5132679 (1992-07-01), Kubo et al.
European Home Systems Specification, Release 1.1. European Home Systems Association, Eindhoven, The Netherlands, Mar. 15, 1992.

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