Method for transmitting voice information

Multiplex communications – Wide area network – Packet switching

Patent

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34082544, H04J 324, G08B 522

Patent

active

047425164

ABSTRACT:
A system including a broadcasting station which transmits many independent information packets to many receiving sets in succession. An information packet consists of a text, a classification code and a distinction code. Text is a sequence of words and symbols which may be converted into voice. Classification codes specify the substance of text, distinction code is annexed to each different text for distinguishing that type of text from other texts. A receiving set with registered classification codes selects and accumulates only necessary information packets by comparing the transmitted classification codes with stored codes. If the codes match, the text is stored so that the receiver can playback the voice information at a convenient later time.

REFERENCES:
patent: 4477807 (1984-10-01), Nakajima et al.
patent: 4480253 (1984-10-01), Anderson
patent: 4516239 (1985-05-01), Mayemchuk
patent: 4517669 (1985-05-01), Freeburg et al.
patent: 4519068 (1985-05-01), Krebs et al.
patent: 4551834 (1985-11-01), Lieward
patent: 4601586 (1986-07-01), Bahr et al.
"Portable computer & host talk over radio-frequency link" by Jay Krebs-Electronics/Aug. 25, 1983, pp. 142-145.

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