JPS6489827A - Talking channel switching system in portable telephone system - Google Patents

Talking channel switching system in portable telephone system

Info

Publication number
JPS6489827A
JPS6489827A JP62246789A JP24678987A JPS6489827A JP S6489827 A JPS6489827 A JP S6489827A JP 62246789 A JP62246789 A JP 62246789A JP 24678987 A JP24678987 A JP 24678987A JP S6489827 A JPS6489827 A JP S6489827A
Authority
JP
Japan
Prior art keywords
talking
channel
telephone set
connection device
radio connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP62246789A
Other languages
Japanese (ja)
Inventor
Kazuhiro Kawashima
Tomoo Ishikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP62246789A priority Critical patent/JPS6489827A/en
Publication of JPS6489827A publication Critical patent/JPS6489827A/en
Pending legal-status Critical Current

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  • Mobile Radio Communication Systems (AREA)

Abstract

PURPOSE:To attain effective utilization of a frequency by selecting a new talking channel capable of talking to a radio connection device to a manual talking channel changeover request from a handy telephone set during talking and issuing a command it to the portable telephone set. CONSTITUTION:When the portable telephone set 9 is communicated with, e.g., a radio connection device 7, when a radio wave interference takes place and the user of the handy telephone set 9 turns on a manual switch for talking channel changeover, a channel switching request from the telephone set 9 is sent to the radio connection device 7. The radio connection device 7 checks the operating state of all talking channels including a spare channel and selects any of idle talking channels to issue a command to the telephone set 9 and the channel is switched to the command channel and it is also switched to the channel. Thus, even if the standby channel is busy in a faulty state such as radio wave interference, the talking is consecutive through a new talking channel thereby utilizing effectively the frequency.
JP62246789A 1987-09-30 1987-09-30 Talking channel switching system in portable telephone system Pending JPS6489827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62246789A JPS6489827A (en) 1987-09-30 1987-09-30 Talking channel switching system in portable telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62246789A JPS6489827A (en) 1987-09-30 1987-09-30 Talking channel switching system in portable telephone system

Publications (1)

Publication Number Publication Date
JPS6489827A true JPS6489827A (en) 1989-04-05

Family

ID=17153695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62246789A Pending JPS6489827A (en) 1987-09-30 1987-09-30 Talking channel switching system in portable telephone system

Country Status (1)

Country Link
JP (1) JPS6489827A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5044010A (en) * 1990-03-29 1991-08-27 At&T Bell Laboratories Arrangement and method for selecting an available communication channel for a cordless telephone
US5243641A (en) * 1990-08-01 1993-09-07 At&T Bell Laboratories Extended range cordless telephone system
US5323447A (en) * 1991-11-01 1994-06-21 At&T Bell Laboratories Apparatus and method for modifying a frequency hopping sequence of a cordless telephone operating in a frequency hopping system
US5363430A (en) * 1989-12-27 1994-11-08 Sony Corporation Cordless telephone apparatus having a low power stand-by mode and a hold mode
US5375163A (en) * 1991-04-25 1994-12-20 Matsushita Electric Industrial Co., Ltd. Multi-channel cordless telephone system for maintaining master-slave communication
US5428669A (en) * 1991-01-08 1995-06-27 Thomson Consumer Electronics, Inc. Automatic channel selection system for a cordless telephone
JP2008228046A (en) * 2007-03-14 2008-09-25 Mitsubishi Electric Corp Fault diagnosis system and fault diagnosis method for wireless network

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5363430A (en) * 1989-12-27 1994-11-08 Sony Corporation Cordless telephone apparatus having a low power stand-by mode and a hold mode
US5044010A (en) * 1990-03-29 1991-08-27 At&T Bell Laboratories Arrangement and method for selecting an available communication channel for a cordless telephone
US5243641A (en) * 1990-08-01 1993-09-07 At&T Bell Laboratories Extended range cordless telephone system
US5428669A (en) * 1991-01-08 1995-06-27 Thomson Consumer Electronics, Inc. Automatic channel selection system for a cordless telephone
CN1037566C (en) * 1991-01-08 1998-02-25 汤姆森消费电子有限公司 Automatic channel selection system for cordless telephone
US5375163A (en) * 1991-04-25 1994-12-20 Matsushita Electric Industrial Co., Ltd. Multi-channel cordless telephone system for maintaining master-slave communication
US5323447A (en) * 1991-11-01 1994-06-21 At&T Bell Laboratories Apparatus and method for modifying a frequency hopping sequence of a cordless telephone operating in a frequency hopping system
JP2008228046A (en) * 2007-03-14 2008-09-25 Mitsubishi Electric Corp Fault diagnosis system and fault diagnosis method for wireless network

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