Radio communication apparatus capable of generating a common cal

Details Radio communication apparatus capable of generating a common cal Radio communication apparatus capable of generating a common cal

1991-11-19

1993-06-22

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

3403111, 455 382, H04Q 700

Patent

active

052219232

ABSTRACT:
In a radio communication apparatus for selectively receiving call signals indicative of call numbers, respectively, a decoder receives, in cooperation with a P-ROM, each of the call signals as a received signal and processes the received signal into a common call tone signal representative of reception of the received signal regardless of the call numbers. The decoder makes a tone generator generate a common tone in response to the common call tone signal to indicate arrival of reception of one of the call signals. When a manual operable switch is operated, the decoder makes the tone generator stop generation of the common tone and classify the received signal into one of individual tone signals corresponding to the respective call numbers. Subsequently, the decoder makes the tone generator generate a particular tone indicating the call number of the received signal in question. When the switch is again operated, the decoder makes the tone generator stop generation of the particular tone.

REFERENCES:
patent: 4010461 (1977-03-01), Stodolski
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patent: 4336524 (1982-06-01), Levine
patent: 4403212 (1983-09-01), Masaki
patent: 4490579 (1984-12-01), Godoshian
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