Method of automatic frequency-setting for wireless...

Details Method of automatic frequency-setting for wireless... Method of automatic frequency-setting for wireless...

2006-04-11

2006-04-11

Vo, Nguyen T. (Department: 2685)

Telecommunications

Transmitter and receiver at separate stations

With control signal

C455S184100, C455S337000, C381S094300

Reexamination Certificate

active

07027775

ABSTRACT:
The present invention relates to a method of automatically setting each of frequencies in each of a plurality of wireless microphone-receivers simultaneously used in the same area, based on the combinations of simultaneously usable frequencies. Each of microphone-receivers10A to10N is mutual-communicatably connected by a connecting cable CA. One and the other microphone-receivers are designated as a master microphone-receiver10A and slave microphone-receivers10B to10N, respectively. First, an empty channel-information is sent from the master microphone-receiver10A to a first slave microphone-receiver10B and the frequency of the empty channel-information is set in the first slave microphone-receiver10B. The empty channel-information is renewed in the master microphone-receiver. In the same manner frequencies except interfering radio waves are set in number order to the other slave microphone-receivers following the first slave microphone-receiver by mutually communicating with the master microphone-receiver.

REFERENCES:
patent: 5058170 (1991-10-01), Kanamori et al.
patent: 5463694 (1995-10-01), Bradley et al.
patent: 5715319 (1998-02-01), Chu
patent: 6032045 (2000-02-01), Mimura
patent: 6069961 (2000-05-01), Nakazawa
patent: 2001/0016046 (2001-08-01), Ohta
patent: 2002/0097681 (2002-07-01), Treister et al.
patent: 2002-078037 (2002-03-01), None

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