JPS5342562B2 - - Google Patents

Info

Publication number: JPS5342562B2
Authority: JP; Japan
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

JP3173074A

Other languages

Other versions

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.)

1974-03-20

Filing date

1974-03-20

Publication date

1978-11-13

1974-03-20 Application filed filed Critical

1974-03-20 Priority to JP3173074A priority Critical patent/JPS5342562B2/ja

1975-10-02 Publication of JPS50125609A publication Critical patent/JPS50125609A/ja

1978-11-13 Publication of JPS5342562B2 publication Critical patent/JPS5342562B2/ja

Status Expired legal-status Critical Current

Landscapes

Devices For Supply Of Signal Current (AREA)

JP3173074A 1974-03-20 1974-03-20 Expired JPS5342562B2 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP3173074A JPS5342562B2 (en)	1974-03-20	1974-03-20

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP3173074A JPS5342562B2 (en)	1974-03-20	1974-03-20

Publications (2)

Publication Number	Publication Date
JPS50125609A JPS50125609A (en)	1975-10-02
JPS5342562B2 true JPS5342562B2 (en)	1978-11-13

Family

ID=12339147

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP3173074A Expired JPS5342562B2 (en)	1974-03-20	1974-03-20

Country Status (1)

Country	Link
JP (1)	JPS5342562B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4025729A (en) *	1975-12-05	1977-05-24	Bell Telephone Laboratories, Incorporated	Telephone ringing control circuits
US4015091A (en) *	1975-12-05	1977-03-29	Bell Telephone Laboratories, Incorporated	Telephone ringing generators
JPS5850659Y2 (en) *	1976-04-30	1983-11-18	株式会社田村電機製作所	Drive circuit for frequency signal generation circuit
JPS5570162A (en) *	1978-11-21	1980-05-27	Fujitsu Ltd	Call signal generation system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4842727A (en) *	1971-09-30	1973-06-21

1974
- 1974-03-20 JP JP3173074A patent/JPS5342562B2/ja not_active Expired

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4842727A (en) *	1971-09-30	1973-06-21

Also Published As

Publication number	Publication date
JPS50125609A (en)	1975-10-02

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