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Patent Searching and Data


Title:
RADIOTELEPHONE SYSTEM
Document Type and Number:
Japanese Patent JPS647726
Kind Code:
A
Abstract:

PURPOSE: To minimize the traffic of a control channel and to shorten a duration by switching to other call channel at the time of the completion of one incoming action and executing continuously a bell ringing processing.

CONSTITUTION: By the receiving of telephone circuits 101∼103, a timer is set and an incoming call is separately sent to radio telephone sets 2∼5 when a control channel is idle. Respective telephone sets send an incoming call responding signal and switch it to a call channel. When a master device 1 detects a response from respective telephone sets or the timer overflows, the device switches it to a call channel, and when the receiving is one line, a bell ringing signal is sent and when the receiving is two lines or above, the bell ringing signal and another call channel designating signal are sent.


Inventors:
SHIMURA YUKIHIRO
Application Number:
JP16096187A
Publication Date:
January 11, 1989
Filing Date:
June 30, 1987
Export Citation:
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Assignee:
NEC CORP
International Classes:
C23C14/32; C23C14/06; F04B25/04; F04B49/00; F04C18/02; H04B7/005; H04B7/24; H04M1/00; H04M1/733; H04W72/04; H04W84/08; H04W84/10; H04W88/02; (IPC1-7): H04B7/26
Attorney, Agent or Firm:
Ashida Tan