JPS61167256A - ドアホン電話機混成装置 - Google Patents

ドアホン電話機混成装置

Info

Publication number
JPS61167256A
JPS61167256A JP60008002A JP800285A JPS61167256A JP S61167256 A JPS61167256 A JP S61167256A JP 60008002 A JP60008002 A JP 60008002A JP 800285 A JP800285 A JP 800285A JP S61167256 A JPS61167256 A JP S61167256A
Authority
JP
Japan
Prior art keywords
telephone
doorphone
circuit
call
telephone set
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
JP60008002A
Other languages
English (en)
Japanese (ja)
Other versions
JPH038622B2 (enrdf_load_stackoverflow
Inventor
Takashi Kasugai
春日井　孝
Yoshihiro Kataoka
良裕 片岡
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.)
AIHON KK
Aiphone Co Ltd
Original Assignee
AIHON KK
Aiphone 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 AIHON KK, Aiphone Co Ltd filed Critical AIHON KK
Priority to JP60008002A priority Critical patent/JPS61167256A/ja
Publication of JPS61167256A publication Critical patent/JPS61167256A/ja
Publication of JPH038622B2 publication Critical patent/JPH038622B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP60008002A 1985-01-19 1985-01-19 ドアホン電話機混成装置 Granted JPS61167256A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60008002A JPS61167256A (ja) 1985-01-19 1985-01-19 ドアホン電話機混成装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60008002A JPS61167256A (ja) 1985-01-19 1985-01-19 ドアホン電話機混成装置

Publications (2)

Publication Number Publication Date
JPS61167256A true JPS61167256A (ja) 1986-07-28
JPH038622B2 JPH038622B2 (enrdf_load_stackoverflow) 1991-02-06

Family

ID=11681164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60008002A Granted JPS61167256A (ja) 1985-01-19 1985-01-19 ドアホン電話機混成装置

Country Status (1)

Country Link
JP (1) JPS61167256A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988002968A1 (en) * 1986-10-08 1988-04-21 Clifford Jack Peady Telephone system with door intercom station

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988002968A1 (en) * 1986-10-08 1988-04-21 Clifford Jack Peady Telephone system with door intercom station

Also Published As

Publication number Publication date
JPH038622B2 (enrdf_load_stackoverflow) 1991-02-06

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term