JPS6416051A - Telephone set - Google Patents

Telephone set

Info

Publication number
JPS6416051A
JPS6416051A JP17088687A JP17088687A JPS6416051A JP S6416051 A JPS6416051 A JP S6416051A JP 17088687 A JP17088687 A JP 17088687A JP 17088687 A JP17088687 A JP 17088687A JP S6416051 A JPS6416051 A JP S6416051A
Authority
JP
Japan
Prior art keywords
handset
telephone set
circuit
transmission
main body
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
JP17088687A
Other languages
Japanese (ja)
Inventor
Masanori Takahashi
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.)
Meisei Electric Co Ltd
Original Assignee
Meisei Electric Co Ltd
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 Meisei Electric Co Ltd filed Critical Meisei Electric Co Ltd
Priority to JP17088687A priority Critical patent/JPS6416051A/en
Publication of JPS6416051A publication Critical patent/JPS6416051A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To eliminate the need for a handset cord for a telephone set by coupling a telephone set main body and the handset in radio communication. CONSTITUTION:In case of hooking off a handset B from a telephone set main body A, hook switches 3,13 are closed to form a DC closed loop to a telephone line l and operating power is supplied from the power supply 12 to the reception circuit 8 and the transmission circuit 9 and the switch 21 is closed at the handset B and the operating power is supplied to the reception circuit 16 to the transmission circuit 17 from the power supply 20 and the telephone set main body A and the handset B are counpled in radio by using two radio waves whose frequencies are respectively F1 and F2. Then the transmitted voice given from the handset 15 is superimposed on the radio wave whose frequency is F1 by the transmission circuit 17, radiated from the transmission antenna 19 of the handset B and made incident on the reception antenna 10 of the telephone set main body A, received and demodulated by the reception circuit 8 and becomes the original transmission voice and inputted to a transmission terminal 701 of the speech circuit 7 and sent to the telephone line 1.
JP17088687A 1987-07-10 1987-07-10 Telephone set Pending JPS6416051A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17088687A JPS6416051A (en) 1987-07-10 1987-07-10 Telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17088687A JPS6416051A (en) 1987-07-10 1987-07-10 Telephone set

Publications (1)

Publication Number Publication Date
JPS6416051A true JPS6416051A (en) 1989-01-19

Family

ID=15913139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17088687A Pending JPS6416051A (en) 1987-07-10 1987-07-10 Telephone set

Country Status (1)

Country Link
JP (1) JPS6416051A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5555258A (en) * 1994-06-17 1996-09-10 P. Stuckey McIntosh Home personal communication system
US6404761B1 (en) 1994-06-17 2002-06-11 Home Wireless Networks, Inc. Communications webs with personal communications links for PSTN subscribers
US6418131B1 (en) 1994-06-17 2002-07-09 Lake Communications Limited Spectrum monitoring for PSTN subscribers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5555258A (en) * 1994-06-17 1996-09-10 P. Stuckey McIntosh Home personal communication system
US6404761B1 (en) 1994-06-17 2002-06-11 Home Wireless Networks, Inc. Communications webs with personal communications links for PSTN subscribers
US6418131B1 (en) 1994-06-17 2002-07-09 Lake Communications Limited Spectrum monitoring for PSTN subscribers

Similar Documents

Publication Publication Date Title
US4332981A (en) Cordless telephone
GB2257337A (en) Conserving power in hand held mobile telephones during a receiving mode of operation
EP0823751A3 (en) Antenna switching circuits for radio telephones
KR950010397A (en) Handheld Phone for Mobile Communications with Extendable Antenna
ES8503901A1 (en) Piezo-electric terminal station for communications system
SE9200890L (en)
KR910000843B1 (en) Switching system between cordlees telephone and ordinary telephone
KR970060722A (en) RF Duplexer Pass-Through Technology for Transceivers
MY110436A (en) Transient suppression circuit for a time domain duplex transceiver.
GB1412386A (en) Portable telephone system having a battery saver feature
JPH04127728A (en) Portable telephone set
JPS6416051A (en) Telephone set
GB2268368A (en) Mobile communication system
CN1026845C (en) A two-handset cordless telephone system
US5392330A (en) Offset down conversion for a two-handset cordless telephone system
KR970006042B1 (en) Two handset cordless telephone system
JPS5639636A (en) Telephone set mounted on travelling body with cordless terminal unit
KR0130018B1 (en) Cordless telephone
KR200166551Y1 (en) Mobile terminal using downward antenna
JPS5671337A (en) Small-sized transceiver for portable type
KR950009804Y1 (en) A walkie-talkie loaded cellur phone of portable type
JPS566545A (en) Radio device for car telephone
JPS57210752A (en) Telephone set
JPH0437323A (en) Transmission power control circuit for cordless telephony set
JPS61166233A (en) Cordless tlephone set