JPH0366277U - - Google Patents

Info

Publication number
JPH0366277U
JPH0366277U JP12465889U JP12465889U JPH0366277U JP H0366277 U JPH0366277 U JP H0366277U JP 12465889 U JP12465889 U JP 12465889U JP 12465889 U JP12465889 U JP 12465889U JP H0366277 U JPH0366277 U JP H0366277U
Authority
JP
Japan
Prior art keywords
base unit
connection operation
exchange
door intercom
call
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
JP12465889U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0628868Y2 (ja
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 filed Critical
Priority to JP1989124658U priority Critical patent/JPH0628868Y2/ja
Publication of JPH0366277U publication Critical patent/JPH0366277U/ja
Application granted granted Critical
Publication of JPH0628868Y2 publication Critical patent/JPH0628868Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP1989124658U 1989-10-25 1989-10-25 宅内交換機におけるドアホン呼出装置 Expired - Lifetime JPH0628868Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989124658U JPH0628868Y2 (ja) 1989-10-25 1989-10-25 宅内交換機におけるドアホン呼出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989124658U JPH0628868Y2 (ja) 1989-10-25 1989-10-25 宅内交換機におけるドアホン呼出装置

Publications (2)

Publication Number Publication Date
JPH0366277U true JPH0366277U (US07642317-20100105-C00010.png) 1991-06-27
JPH0628868Y2 JPH0628868Y2 (ja) 1994-08-03

Family

ID=31672565

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989124658U Expired - Lifetime JPH0628868Y2 (ja) 1989-10-25 1989-10-25 宅内交換機におけるドアホン呼出装置

Country Status (1)

Country Link
JP (1) JPH0628868Y2 (US07642317-20100105-C00010.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63238795A (ja) * 1986-11-17 1988-10-04 Matsushita Electric Works Ltd 電話システム

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63238795A (ja) * 1986-11-17 1988-10-04 Matsushita Electric Works Ltd 電話システム

Also Published As

Publication number Publication date
JPH0628868Y2 (ja) 1994-08-03

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