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Title:
DIGITAL CORDLESS TELEPHONE EQUIPMENT
Document Type and Number:
Japanese Patent JP3254874
Kind Code:
B2
Abstract:

PURPOSE: To satisfactorily perform the transmission processing of a control signal from each master set in the digital cordless telephone provided with plural master sets even in the case that communication with the other master sets is impossible.
CONSTITUTION: In the digital cordless telephone equipment where transmission and reception of digital data are shifted from each other with respect to time to perform speaking between master sets 1, 2, and 3 and slave sets 4, 5... and a system call code common to respective master sets 1, 2, and 3 is set to realize speaking between all master sets 1, 2, and 3 and slave sets 4, 5..., the control signal from the master set 1 as the reference out of plural master sets is received by the other master sets 2 and 3, and control signals are transmitted from the other master sets 2 and 3 synchronously with the reception timing of this control signal, and the other master sets 2 and 3 transmit control signals at independent timings if failing reception of the control signal from the master set 1 as the reference.


Inventors:
Kumiko Tachikawa
Application Number:
JP656794A
Publication Date:
February 12, 2002
Filing Date:
January 25, 1994
Export Citation:
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Assignee:
ソニー株式会社
International Classes:
H04B7/26; H04W52/02; H04W56/00; H04W76/02; H04W84/10; (IPC1-7): H04Q7/38; H04B7/26
Domestic Patent References:
JP327630A
JP1300721A
JP5110498A
Attorney, Agent or Firm:
Hidemori Matsukuma