JPS52105704A - Speech channel circuit in push-button telephone set - Google Patents

Speech channel circuit in push-button telephone set

Info

Publication number
JPS52105704A
JPS52105704A JP2185876A JP2185876A JPS52105704A JP S52105704 A JPS52105704 A JP S52105704A JP 2185876 A JP2185876 A JP 2185876A JP 2185876 A JP2185876 A JP 2185876A JP S52105704 A JPS52105704 A JP S52105704A
Authority
JP
Japan
Prior art keywords
push
telephone set
channel circuit
speech channel
button telephone
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.)
Granted
Application number
JP2185876A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5442561B2 (enExample
Inventor
Akinobu Sekiguchi
Tokuji Yamada
Yuichiro Takagawa
Minoru Sasai
Sadayuki Iwakabe
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.)
Kanda Tsushin Kogyo Co Ltd
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Kanda Tsushin Kogyo 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 Nippon Telegraph and Telephone Corp, Kanda Tsushin Kogyo Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP2185876A priority Critical patent/JPS52105704A/ja
Publication of JPS52105704A publication Critical patent/JPS52105704A/ja
Publication of JPS5442561B2 publication Critical patent/JPS5442561B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP2185876A 1976-03-02 1976-03-02 Speech channel circuit in push-button telephone set Granted JPS52105704A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2185876A JPS52105704A (en) 1976-03-02 1976-03-02 Speech channel circuit in push-button telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2185876A JPS52105704A (en) 1976-03-02 1976-03-02 Speech channel circuit in push-button telephone set

Publications (2)

Publication Number Publication Date
JPS52105704A true JPS52105704A (en) 1977-09-05
JPS5442561B2 JPS5442561B2 (enExample) 1979-12-14

Family

ID=12066802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2185876A Granted JPS52105704A (en) 1976-03-02 1976-03-02 Speech channel circuit in push-button telephone set

Country Status (1)

Country Link
JP (1) JPS52105704A (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5121707A (ja) * 1974-08-16 1976-02-21 Taiko Electric Works Ltd Botandenwasochi

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5121707A (ja) * 1974-08-16 1976-02-21 Taiko Electric Works Ltd Botandenwasochi

Also Published As

Publication number Publication date
JPS5442561B2 (enExample) 1979-12-14

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