Title:
CORDLESS TELEPHONE SET
Document Type and Number:
Japanese Patent JP3192870
Kind Code:
B2
Abstract:
PURPOSE: To conduct inter-slave-set talking without the relay of a master set in a cordless telephone set comprised of the master set and plural slave sets.
CONSTITUTION: This cordless telephone set is made up of a master set 3 connected to a general subscriber telephone line network 1 and plural slave sets 4, 5 connected to the master set via a radio channel. A reception circuit section 14 of each slave set is provided with a reception frequency band switching section 15 selecting the reception of a signal at a transmission frequency band of the master set or the reception of a signal at a transmission frequency band of the slave set. In the case of making a call to other slave set, a controller section 12 provided to each slave set controls a transmission circuit section 13 and a reception circuit section 14 so that the section 13 sends a signal of a prescribed channel of a transmission frequency band of the slave set and the section 14 receives a signal with other channel than the prescribed channel for the transmission at the transmission frequency band of the slave set in the case of talking with other slave set.
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| JPH05207104 | TELEPHONE SET |
| JP2006020304 | MOBILE TERMINAL DEVICE |
Inventors:
Masayoshi Masuda
Application Number:
JP10563594A
Publication Date:
July 30, 2001
Filing Date:
May 19, 1994
Export Citation:
Assignee:
Sanyo Electric Co., Ltd.
International Classes:
H04M1/00; (IPC1-7): H04Q7/38
Domestic Patent References:
| JP5292020A | ||||
| JP685739A |
Attorney, Agent or Firm:
Masamasa Shibano