FR1572325A - - Google Patents

Info

Publication number: FR1572325A
Authority: FR; France
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

FR147069A

Other languages

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.)

1968-04-04

Filing date

1968-04-04

Publication date

1969-06-27

1968-04-04 Application filed filed Critical

1969-06-27 Application granted granted Critical

1969-06-27 Publication of FR1572325A publication Critical patent/FR1572325A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/002—Monitoring or fail-safe circuits
- H01H47/004—Monitoring or fail-safe circuits using plural redundant serial connected relay operated contacts in controlled circuit

FR147069A 1968-04-04 1968-04-04 Expired FR1572325A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR147069		1968-04-04

Publications (1)

Publication Number	Publication Date
FR1572325A true FR1572325A (en)	1969-06-27

Family

ID=8648612

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR147069A Expired FR1572325A (en)	1968-04-04	1968-04-04

Country Status (4)

Country	Link
US (1)	US3579048A (en)
DE (1)	DE1917459C3 (en)
FR (1)	FR1572325A (en)
GB (1)	GB1216033A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4303383A (en) *	1979-11-09	1981-12-01	Honeywell Inc.	Condition control system with safety feedback means
DE3619723A1 (en) *	1986-06-12	1987-12-17	Kloeckner Moeller Elektrizit	Additional controller, having contacts, for safety circuits
BRPI0415943B1 (en) *	2004-02-26	2014-04-22	Mitsubishi Electric Corp	LIFT SAFETY DEVICE
CN107567423B (en) *	2015-03-20	2020-02-18	奥的斯电梯公司	Elevator test arrangement
EP3196913B1 (en) *	2016-01-20	2019-04-10	Schneider Electric Industries SAS	Relay circuit and method for performing self-test of relay circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2786989A (en) *	1954-09-28	1957-03-26	Rca Corp	Automatic control alarm system

1968
- 1968-04-04 FR FR147069A patent/FR1572325A/fr not_active Expired
1969
- 1969-04-01 US US811732A patent/US3579048A/en not_active Expired - Lifetime
- 1969-04-02 GB GB07404/69A patent/GB1216033A/en not_active Expired
- 1969-04-03 DE DE1917459A patent/DE1917459C3/en not_active Expired

Also Published As

Publication number	Publication date
DE1917459C3 (en)	1980-07-24
DE1917459A1 (en)	1969-11-13
GB1216033A (en)	1970-12-16
DE1917459B2 (en)	1979-11-15
US3579048A (en)	1971-05-18

Publication	Publication Date	Title
AU428130B2 (en)	1972-09-14
AU6168869A (en)	1971-04-08
FR1572325A (en)	1969-06-27
AU6171569A (en)	1971-04-08
AU416157B2 (en)	1971-08-23
AU429879B2 (en)	1972-11-09
AU421558B1 (en)	1970-01-29
AU3789668A (en)	1968-06-20
AU4744468A (en)	1970-06-18
AU4464266A (en)	1970-04-16
BE728157A (en)	1969-08-11
BE727364A (en)	1969-07-01
BE727257A (en)	1969-07-22
BE726796A (en)	1969-06-16
BE726641A (en)	1969-07-09
BE726417A (en)	1969-06-16
BE727484A (en)	1969-07-28
BE726327A (en)	1969-05-29
BE725815A (en)	1969-05-29
BE724416A (en)	1969-05-02
BE709496A (en)	1968-07-17
BE709484A (en)	1968-05-30
BE727669A (en)	1969-07-30
BE727720A (en)	1969-07-01
BE728100A (en)	1969-07-16

Legal Events

Date	Code	Title	Description
1988-02-26	ST	Notification of lapse