JPH0358223B2 - - Google Patents

Info

Publication number
JPH0358223B2
JPH0358223B2 JP61070522A JP7052286A JPH0358223B2 JP H0358223 B2 JPH0358223 B2 JP H0358223B2 JP 61070522 A JP61070522 A JP 61070522A JP 7052286 A JP7052286 A JP 7052286A JP H0358223 B2 JPH0358223 B2 JP H0358223B2
Authority
JP
Japan
Prior art keywords
circuit
wire
door intercom
telephone
transmitting
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.)
Expired - Lifetime
Application number
JP61070522A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62227249A (ja
Inventor
Hajime Mizutani
Juichi Yamazaki
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.)
Nippon Telegraph and Telephone Corp
Taiko Electric Works Ltd
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 JPS62227249A (ja) 1987-10-06
JPH0358223B2 true JPH0358223B2 (en, 2012) 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 (en, 2012)

Cited By (2)

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

Families Citing this family (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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5247925U (en, 2012) * 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 (2)

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

Also Published As

Publication number Publication date
JPS62227249A (ja) 1987-10-06

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