JPS62227249A - ドアホン回路 - Google Patents

ドアホン回路

Info

Publication number
JPS62227249A
JPS62227249A JP7052286A JP7052286A JPS62227249A JP S62227249 A JPS62227249 A JP S62227249A JP 7052286 A JP7052286 A JP 7052286A JP 7052286 A JP7052286 A JP 7052286A JP S62227249 A JPS62227249 A JP S62227249A
Authority
JP
Japan
Prior art keywords
circuit
handset
telephone
main device
wire
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
JP7052286A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0358223B2 (cg-RX-API-DMAC7.html
Inventor
Hajime Mizutani
肇 水谷
Yuichi Yamazaki
山崎　悠一
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.)
Taiko Electric Works Ltd
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Taiko Electric Works 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, Taiko Electric Works Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP7052286A priority Critical patent/JPS62227249A/ja
Publication of JPS62227249A publication Critical patent/JPS62227249A/ja
Publication of JPH0358223B2 publication Critical patent/JPH0358223B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP7052286A 1986-03-28 1986-03-28 ドアホン回路 Granted JPS62227249A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7052286A JPS62227249A (ja) 1986-03-28 1986-03-28 ドアホン回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7052286A JPS62227249A (ja) 1986-03-28 1986-03-28 ドアホン回路

Publications (2)

Publication Number Publication Date
JPS62227249A true JPS62227249A (ja) 1987-10-06
JPH0358223B2 JPH0358223B2 (cg-RX-API-DMAC7.html) 1991-09-04

Family

ID=13433943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7052286A Granted JPS62227249A (ja) 1986-03-28 1986-03-28 ドアホン回路

Country Status (1)

Country Link
JP (1) JPS62227249A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010178073A (ja) * 2009-01-29 2010-08-12 Panasonic Electric Works Co Ltd インターホンシステム

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101578857B1 (ko) * 2015-03-23 2015-12-21 김관배 음식물 처리장치
KR101578853B1 (ko) * 2015-03-23 2015-12-21 김관배 음식물 처리장치

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5247925U (cg-RX-API-DMAC7.html) * 1975-09-27 1977-04-05
JPS56131235A (en) * 1980-03-19 1981-10-14 Nippon Telegr & Teleph Corp <Ntt> Two-wire/four-wire converter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5247925U (cg-RX-API-DMAC7.html) * 1975-09-27 1977-04-05
JPS56131235A (en) * 1980-03-19 1981-10-14 Nippon Telegr & Teleph Corp <Ntt> Two-wire/four-wire converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010178073A (ja) * 2009-01-29 2010-08-12 Panasonic Electric Works Co Ltd インターホンシステム

Also Published As

Publication number Publication date
JPH0358223B2 (cg-RX-API-DMAC7.html) 1991-09-04

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