JPS5240102A - Preventing circuit for forgetting to switch off power switch of audio- amp - Google Patents

Preventing circuit for forgetting to switch off power switch of audio- amp

Info

Publication number: JPS5240102A
Authority: JP; Japan
Prior art keywords: switch; audio; forgetting; power switch; preventing circuit
Prior art date: 1975-09-25
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.): Pending

Application number

JP50114794A

Other languages

English (en)

Inventor

Matsuaki Terada

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.)

Hitachi Ltd

Original Assignee

Hitachi 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.)

1975-09-25

Filing date

1975-09-25

Publication date

1977-03-28

1975-09-25 Application filed by Hitachi Ltd filed Critical Hitachi Ltd

1975-09-25 Priority to JP50114794A priority Critical patent/JPS5240102A/ja

1977-03-28 Publication of JPS5240102A publication Critical patent/JPS5240102A/ja

Status Pending legal-status Critical Current

Links

Landscapes

Direct Current Feeding And Distribution (AREA)
Amplifiers (AREA)

JP50114794A 1975-09-25 1975-09-25 Preventing circuit for forgetting to switch off power switch of audio- amp Pending JPS5240102A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP50114794A JPS5240102A (en)	1975-09-25	1975-09-25	Preventing circuit for forgetting to switch off power switch of audio- amp

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP50114794A JPS5240102A (en)	1975-09-25	1975-09-25	Preventing circuit for forgetting to switch off power switch of audio- amp

Publications (1)

Publication Number	Publication Date
JPS5240102A true JPS5240102A (en)	1977-03-28

Family

ID=14646842

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP50114794A Pending JPS5240102A (en)	1975-09-25	1975-09-25	Preventing circuit for forgetting to switch off power switch of audio- amp

Country Status (1)

Country	Link
JP (1)	JPS5240102A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS58143439U (ja) *	1982-03-19	1983-09-27	日本ビクター株式会社	電源自動切断回路
JPS5948388A (ja) *	1982-08-10	1984-03-19	ポタン・ポクラン・マテリエル（ペ−・ペ−・エム）	テレスコピツクブ−ム

1975
- 1975-09-25 JP JP50114794A patent/JPS5240102A/ja active Pending

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS58143439U (ja) *	1982-03-19	1983-09-27	日本ビクター株式会社	電源自動切断回路
JPS5948388A (ja) *	1982-08-10	1984-03-19	ポタン・ポクラン・マテリエル（ペ−・ペ−・エム）	テレスコピツクブ−ム

Similar Documents

Publication	Publication Date	Title
JPS5240102A (en)	1977-03-28	Preventing circuit for forgetting to switch off power switch of audio- amp
JPS5261946A (en)	1977-05-21	Transistor circuit
JPS53120252A (en)	1978-10-20	Video gate circuit
JPS51146157A (en)	1976-12-15	Frequency step-multiplication circuit
JPS5593330A (en)	1980-07-15	Receiver
JPS5380271A (en)	1978-07-15	Alarm watch
JPS5243466A (en)	1977-04-05	Electronic watch
JPS5268470A (en)	1977-06-07	Watch device
JPS51120109A (en)	1976-10-21	Frequency band conpressiong system
JPS53124476A (en)	1978-10-30	Electronic watch
JPS5338360A (en)	1978-04-08	Electronic watch
JPS5393065A (en)	1978-08-15	Electronic watch with alarm
JPS5466177A (en)	1979-05-28	Multifunctional watch
JPS5517427A (en)	1980-02-06	Electronic watch with alarm function for cell life
JPS5439663A (en)	1979-03-27	Electronic watch with alarm sound producer
JPS5265601A (en)	1977-05-31	Method of mode control
JPS5393066A (en)	1978-08-15	Electronic watch with alarm
JPS5393874A (en)	1978-08-17	Sound volume control system of alarm watch
JPS5722585A (en)	1982-02-05	Alarm clock
JPS52100909A (en)	1977-08-24	Radio receiver
JPS51134171A (en)	1976-11-20	Automatic sensitivity-adjusting circuit
JPS5410652A (en)	1979-01-26	Automatic phase controller
JPS5352162A (en)	1978-05-12	Electronic watch having voice reproducing function
JPS51150945A (en)	1976-12-24	Level comparator
JPS5277610A (en)	1977-06-30	Remote control circuit of automatic answering telephon set

Legal Events

Date	Code	Title	Description
2005-06-07	R250	Receipt of annual fees	Free format text: JAPANESE INTERMEDIATE CODE: R250
2006-06-13	R250	Receipt of annual fees	Free format text: JAPANESE INTERMEDIATE CODE: R250
2007-06-26	FPAY	Renewal fee payment (prs date is renewal date of database)	Year of fee payment: 6 Free format text: PAYMENT UNTIL: 20080628
2008-06-19	FPAY	Renewal fee payment (prs date is renewal date of database)	Free format text: PAYMENT UNTIL: 20080628 Year of fee payment: 6
2008-06-24	FPAY	Renewal fee payment (prs date is renewal date of database)	Free format text: PAYMENT UNTIL: 20090628 Year of fee payment: 7
2009-06-25	FPAY	Renewal fee payment (prs date is renewal date of database)	Free format text: PAYMENT UNTIL: 20090628 Year of fee payment: 7
2009-07-07	FPAY	Renewal fee payment (prs date is renewal date of database)	Year of fee payment: 8 Free format text: PAYMENT UNTIL: 20100628
2010-06-24	FPAY	Renewal fee payment (prs date is renewal date of database)	Free format text: PAYMENT UNTIL: 20100628 Year of fee payment: 8
2010-06-29	FPAY	Renewal fee payment (prs date is renewal date of database)	Free format text: PAYMENT UNTIL: 20110628 Year of fee payment: 9
2011-06-28	FPAY	Renewal fee payment (prs date is renewal date of database)	Free format text: PAYMENT UNTIL: 20120628 Year of fee payment: 10
2012-06-28	LAPS	Cancellation because of no payment of annual fees