CA998193A - Elevator system having current limited and short circuit protected power supply for hall lamps - Google Patents

Elevator system having current limited and short circuit protected power supply for hall lamps

Info

Publication number: CA998193A
Authority: CA; Canada
Prior art keywords: power supply; short circuit; elevator system; current limited; protected power
Prior art date: 1973-05-08
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

CA198,439A

Other languages

English (en)

Inventor

Clyde A. Booker (Jr.)

Alan F. Mandel

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.)

Westinghouse Electric Corp

Original Assignee

Westinghouse Electric Corp

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.)

1973-05-08

Filing date

1974-04-23

Publication date

1976-10-05

1974-04-23 Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp

1976-10-05 Application granted granted Critical

1976-10-05 Publication of CA998193A publication Critical patent/CA998193A/en

Status Expired legal-status Critical Current

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/02—Position or depth indicators

CA198,439A 1973-05-08 1974-04-23 Elevator system having current limited and short circuit protected power supply for hall lamps Expired CA998193A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US358430A US3875554A (en)	1973-05-08	1973-05-08	Elevator system having current limited and short circuit protected power supply for hall lamps

Publications (1)

Publication Number	Publication Date
CA998193A true CA998193A (en)	1976-10-05

Family

ID=23409625

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA198,439A Expired CA998193A (en)	1973-05-08	1974-04-23	Elevator system having current limited and short circuit protected power supply for hall lamps

Country Status (8)

Country	Link
US (1)	US3875554A (it)
JP (1)	JPS5926590B2 (it)
BE (1)	BE814691A (it)
CA (1)	CA998193A (it)
DE (1)	DE2422247A1 (it)
FR (1)	FR2228704B1 (it)
GB (1)	GB1473518A (it)
IT (1)	IT1013898B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5162665A (en) *	1990-03-21	1992-11-10	Steven Troyen	Elevator call button/annunciator assembly and circuit
US5227762A (en) *	1990-10-26	1993-07-13	Thomas Industries Inc.	Power line carrier controlled lighting system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2085135A (en) *	1935-03-15	1937-06-29	Westinghouse Elec Elevator Co	Position indicator
CA939001A (en) *	1971-07-02	1973-12-25	Westinghouse Canada Limited	Lighting control system
US3719858A (en) *	1971-08-02	1973-03-06	Hunt Electronics Co	Overload protection system for a light dimmer unit

1973
- 1973-05-08 US US358430A patent/US3875554A/en not_active Expired - Lifetime
1974
- 1974-04-23 CA CA198,439A patent/CA998193A/en not_active Expired
- 1974-05-07 BE BE1005936A patent/BE814691A/xx not_active IP Right Cessation
- 1974-05-07 GB GB2006074A patent/GB1473518A/en not_active Expired
- 1974-05-07 IT IT41588/74A patent/IT1013898B/it active
- 1974-05-08 FR FR7415845A patent/FR2228704B1/fr not_active Expired
- 1974-05-08 DE DE2422247A patent/DE2422247A1/de not_active Withdrawn
- 1974-05-08 JP JP49050355A patent/JPS5926590B2/ja not_active Expired

Also Published As

Publication number	Publication date
US3875554A (en)	1975-04-01
GB1473518A (en)	1977-05-11
JPS5015250A (it)	1975-02-18
IT1013898B (it)	1977-03-30
AU6793674A (en)	1975-10-16
JPS5926590B2 (ja)	1984-06-28
FR2228704A1 (it)	1974-12-06
FR2228704B1 (it)	1978-12-01
DE2422247A1 (de)	1974-11-28
BE814691A (fr)	1974-11-07

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