JPS5413203A - Trunk collecting relay drive circuit for key telephone - Google Patents

Trunk collecting relay drive circuit for key telephone

Info

Publication number
JPS5413203A
JPS5413203A JP14267277A JP14267277A JPS5413203A JP S5413203 A JPS5413203 A JP S5413203A JP 14267277 A JP14267277 A JP 14267277A JP 14267277 A JP14267277 A JP 14267277A JP S5413203 A JPS5413203 A JP S5413203A
Authority
JP
Japan
Prior art keywords
drive circuit
key telephone
relay drive
collecting relay
trunk collecting
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
JP14267277A
Other languages
Japanese (ja)
Other versions
JPS5645545B2 (en
Inventor
Masaru Kasuya
Jiyunzou Kikuchi
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.)
Tamura Electric Works Ltd
Original Assignee
Tamura 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 Tamura Electric Works Ltd filed Critical Tamura Electric Works Ltd
Priority to JP14267277A priority Critical patent/JPS5413203A/en
Publication of JPS5413203A publication Critical patent/JPS5413203A/en
Publication of JPS5645545B2 publication Critical patent/JPS5645545B2/ja
Granted legal-status Critical Current

Links

JP14267277A 1977-11-30 1977-11-30 Trunk collecting relay drive circuit for key telephone Granted JPS5413203A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14267277A JPS5413203A (en) 1977-11-30 1977-11-30 Trunk collecting relay drive circuit for key telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14267277A JPS5413203A (en) 1977-11-30 1977-11-30 Trunk collecting relay drive circuit for key telephone

Publications (2)

Publication Number Publication Date
JPS5413203A true JPS5413203A (en) 1979-01-31
JPS5645545B2 JPS5645545B2 (en) 1981-10-27

Family

ID=15320809

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14267277A Granted JPS5413203A (en) 1977-11-30 1977-11-30 Trunk collecting relay drive circuit for key telephone

Country Status (1)

Country Link
JP (1) JPS5413203A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61141239A (en) * 1984-12-13 1986-06-28 Fujitsu Ten Ltd Telephone set

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61141239A (en) * 1984-12-13 1986-06-28 Fujitsu Ten Ltd Telephone set

Also Published As

Publication number Publication date
JPS5645545B2 (en) 1981-10-27

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