JPS552630B2 - - Google Patents

Info

Publication number: JPS552630B2
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

JP6607172A

Other languages

Japanese (ja)

Other versions

JPS4926028A (fr

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.)

1972-06-30

Filing date

1972-06-30

Publication date

1980-01-21

1972-06-30 Application filed filed Critical

1972-06-30 Priority to JP6607172A priority Critical patent/JPS552630B2/ja

1974-03-08 Publication of JPS4926028A publication Critical patent/JPS4926028A/ja

1980-01-21 Publication of JPS552630B2 publication Critical patent/JPS552630B2/ja

Status Expired legal-status Critical Current

Links

Landscapes

Electrically Operated Instructional Devices (AREA)

JP6607172A 1972-06-30 1972-06-30 Expired JPS552630B2 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP6607172A JPS552630B2 (fr)	1972-06-30	1972-06-30

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP6607172A JPS552630B2 (fr)	1972-06-30	1972-06-30

Publications (2)

Publication Number	Publication Date
JPS4926028A JPS4926028A (fr)	1974-03-08
JPS552630B2 true JPS552630B2 (fr)	1980-01-21

Family

ID=13305229

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP6607172A Expired JPS552630B2 (fr)	1972-06-30	1972-06-30

Country Status (1)

Country	Link
JP (1)	JPS552630B2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS588779B2 (ja) *	1976-09-20	1983-02-17	日本電信電話株式会社	半導体スイツチの駆動方式
JPS5381555U (fr) *	1976-12-08	1978-07-06
JPS58186Y2 (ja) *	1979-10-12	1983-01-05	利光南部	計算練習機
JP2525757B2 (ja) *	1982-07-07	1996-08-21	キヤノン株式会社	電子式学習機

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB985924A (en) *	1960-12-12	1965-03-10	Ibm	Teaching device

1972
- 1972-06-30 JP JP6607172A patent/JPS552630B2/ja not_active Expired

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB985924A (en) *	1960-12-12	1965-03-10	Ibm	Teaching device

Also Published As

Publication number	Publication date
JPS4926028A (fr)	1974-03-08

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