Title:
BUTTON TELEPHONE SET
Document Type and Number:
Japanese Patent JPS5768961
Kind Code:
A
Abstract:
PURPOSE: To smooth the response of a caller, by announcing voice including caller information from a speaker, in a button telephone device controlled with a stored program system.
CONSTITUTION: An audio synthesis circuit 8 is added in a main device, it is driven with a microprocessor 5 at extension callout from input and output ports, a caller data is inputted from a peripheral circuit and storage element of the microprocessor 5, and the caller information is outputted in voice signal. The voice signal is announced from a speaker built in a called telephone set 30. Thus, the caller is informed to the called party, allowing smooth respose.
Inventors:
OKAMOTO AKIRA
Application Number:
JP14520880A
Publication Date:
April 27, 1982
Filing Date:
October 17, 1980
Export Citation:
Assignee:
NIPPON ELECTRIC CO
International Classes:
H04M3/42; H04M1/57; H04M3/02; H04Q3/58; (IPC1-7): H04M1/72; H04M3/02; H04M3/42; H04Q3/58
Domestic Patent References:
| JPS5120614A | 1976-02-19 | |||
| JPS4873009A | 1973-10-02 |
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