Signal-input status display device for multi-band receiver

Details Signal-input status display device for multi-band receiver Signal-input status display device for multi-band receiver

2006-01-31

2006-01-31

Corsaro, Nick (Department: 2682)

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

C455S159100, C455S154100, C455S168100

Reexamination Certificate

active

06993304

ABSTRACT:
An MCU30of a multi-band receiver detects signal input levels from level detection circuits18and18′ of receiver circuits4aand4b, respectively, and thereby determines and identifies to which frequency band a signal input has been performed or whether simultaneous signal inputs to frequency bands have been performed.The MCU30controls over drive circuits for LEDs41gand41raccording to the signal input statuses, thereby causing a multi-colored light-emitting indicator41to illuminate in different colors.Further, in a single signal input, the illumination color of the multi-colored light-emitting indicator41can be changed within an identical color group according to the level of a received frequency, for display. Further, when the received frequency is the frequency stored in a memory channel, the illumination color can be made to be different from the colors emitted in the single signal input status.

REFERENCES:
patent: 3987401 (1976-10-01), Irving
patent: 4468814 (1984-08-01), Field
patent: 6438390 (2002-08-01), Awan
patent: 2002/0128006 (2002-09-01), Martine et al.

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