JPS5834854Y2 - ボタン電話装置の局線回路 - Google Patents

ボタン電話装置の局線回路

Info

Publication number
JPS5834854Y2
JPS5834854Y2 JP8934278U JP8934278U JPS5834854Y2 JP S5834854 Y2 JPS5834854 Y2 JP S5834854Y2 JP 8934278 U JP8934278 U JP 8934278U JP 8934278 U JP8934278 U JP 8934278U JP S5834854 Y2 JPS5834854 Y2 JP S5834854Y2
Authority
JP
Japan
Prior art keywords
transistor
relay
contact
office line
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.)
Expired
Application number
JP8934278U
Other languages
English (en)
Japanese (ja)
Other versions
JPS559102U (https=
Inventor
軍三 喜多
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.)
Iwatsu Electric Co Ltd
Original Assignee
Iwatsu Electric 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 Iwatsu Electric Co Ltd filed Critical Iwatsu Electric Co Ltd
Priority to JP8934278U priority Critical patent/JPS5834854Y2/ja
Publication of JPS559102U publication Critical patent/JPS559102U/ja
Application granted granted Critical
Publication of JPS5834854Y2 publication Critical patent/JPS5834854Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP8934278U 1978-06-30 1978-06-30 ボタン電話装置の局線回路 Expired JPS5834854Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8934278U JPS5834854Y2 (ja) 1978-06-30 1978-06-30 ボタン電話装置の局線回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8934278U JPS5834854Y2 (ja) 1978-06-30 1978-06-30 ボタン電話装置の局線回路

Publications (2)

Publication Number Publication Date
JPS559102U JPS559102U (https=) 1980-01-21
JPS5834854Y2 true JPS5834854Y2 (ja) 1983-08-05

Family

ID=29016651

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8934278U Expired JPS5834854Y2 (ja) 1978-06-30 1978-06-30 ボタン電話装置の局線回路

Country Status (1)

Country Link
JP (1) JPS5834854Y2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0618454Y2 (ja) * 1990-07-02 1994-05-18 株式会社西村組 流れ藻滞留礁

Also Published As

Publication number Publication date
JPS559102U (https=) 1980-01-21

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