BR7407774D0 - Circuito para lampadas de indicacao - Google Patents

Circuito para lampadas de indicacao

Info

Publication number
BR7407774D0
BR7407774D0 BR7774/74A BR777474A BR7407774D0 BR 7407774 D0 BR7407774 D0 BR 7407774D0 BR 7774/74 A BR7774/74 A BR 7774/74A BR 777474 A BR777474 A BR 777474A BR 7407774 D0 BR7407774 D0 BR 7407774D0
Authority
BR
Brazil
Prior art keywords
circuit
indication lamps
lamps
indication
Prior art date
Application number
BR7774/74A
Other languages
English (en)
Inventor
W Kellogg
G Taylor
C Calvin
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.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of BR7407774D0 publication Critical patent/BR7407774D0/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/44—Testing lamps
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/126—Checking intermittently signalling or alarm systems of annunciator circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
BR7774/74A 1973-09-18 1974-09-18 Circuito para lampadas de indicacao BR7407774D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00398353A US3840801A (en) 1973-09-18 1973-09-18 Indicator light testing circuit

Publications (1)

Publication Number Publication Date
BR7407774D0 true BR7407774D0 (pt) 1975-07-29

Family

ID=23575054

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7774/74A BR7407774D0 (pt) 1973-09-18 1974-09-18 Circuito para lampadas de indicacao

Country Status (11)

Country Link
US (1) US3840801A (pt)
BE (1) BE819983A (pt)
BR (1) BR7407774D0 (pt)
CA (1) CA972037A (pt)
CH (1) CH582393A5 (pt)
DE (1) DE2442889A1 (pt)
ES (1) ES430020A1 (pt)
FR (1) FR2244220B1 (pt)
GB (1) GB1477047A (pt)
IT (1) IT1024023B (pt)
SE (1) SE397016B (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967192A (en) * 1974-08-08 1976-06-29 Westinghouse Electric Corporation Indicator lamp test circuit utilizing bidirectional thyristor switching
US3939398A (en) * 1974-12-16 1976-02-17 Westinghouse Electric Corporation Indicator lamp circuit having feedback protection
US4019128A (en) * 1975-05-08 1977-04-19 Rees, Inc. Indicator light and testing circuit
JPS5277774A (en) * 1975-12-24 1977-06-30 Seiko Epson Corp Electronic watch
DE3139265A1 (de) * 1981-10-02 1983-04-21 Klaus 4300 Essen Neuhaus Schaltung zur lampenpruefung fuer wechselspannungsbetriebene gluehlampen
US4464605A (en) * 1982-03-18 1984-08-07 Allen-Bradley Company Three terminal solid state pilot light
US5148158A (en) * 1988-03-24 1992-09-15 Teledyne Industries, Inc. Emergency lighting unit having remote test capability
DE4040259A1 (de) * 1990-12-17 1992-06-25 Abb Patent Gmbh Lampenpruefeinrichtung
DE29514390U1 (de) * 1995-09-07 1997-01-16 Siemens AG, 80333 München Schaltungsanordnung zur Gleichstrom-Einkopplung in ein Wechselspannungsnetz
DE19751675A1 (de) * 1997-11-21 1999-05-27 Aeg Ges Moderne Inf Sys Mbh Anzeigeanordnung
US7014500B2 (en) * 2001-10-16 2006-03-21 Adam Belesimo Testing assembly and method for identifying network circuits
CN102375109B (zh) 2010-07-09 2015-06-03 米沃奇电动工具公司 照明测试仪
CA3003202A1 (en) * 2015-10-26 2017-05-04 Shanghai Eagle Safety Equipment Ltd. Personal gas monitor diagnostic systems and methods
CN110275083A (zh) * 2019-06-12 2019-09-24 苏州迪芬德物联网科技有限公司 一种物理实验室信号测试实验箱

Also Published As

Publication number Publication date
SE397016B (sv) 1977-10-10
DE2442889A1 (de) 1975-04-03
ES430020A1 (es) 1976-09-16
BE819983A (fr) 1975-03-17
FR2244220B1 (pt) 1979-03-09
GB1477047A (en) 1977-06-22
SE7411759L (pt) 1975-04-14
CA972037A (en) 1975-07-29
FR2244220A1 (pt) 1975-04-11
CH582393A5 (pt) 1976-11-30
US3840801A (en) 1974-10-08
IT1024023B (it) 1978-06-20

Similar Documents

Publication Publication Date Title
BR7407360D0 (pt) Disjuntor de circuito
BR7400510D0 (pt) Disjuntor de circuito
IT1007147B (it) Circuito integrato
IT1026527B (it) Circuito sanguigno extracorporeo
IT1021265B (it) Circuito integrato
AR198551A1 (es) Conjunto de circuito pelicular
BR7506183A (pt) Circuito de descarga rapida para macacos hidraulicos
BR7402269D0 (pt) Circuito
BR7407774D0 (pt) Circuito para lampadas de indicacao
BR7402199D0 (pt) Circuito de percepcao
BR7400575D0 (pt) Disjuntor de circuito
IT1008713B (it) Circuito dinamico mosfet
BR7506880A (pt) Circuito eletromagnetico de alimentacao para eletroimas
BR7402420D0 (pt) Circuito detetor
BR7408995D0 (pt) Arranjo de circuito
IT1003755B (it) Circuito sanguigno extracorporeo
IT1002423B (it) Circuito comparatore
BR7406029D0 (pt) Disposicao de circuito
BR7501423A (pt) Circuito intermitente para lampadas de veiculos
BR7504188A (pt) Unidade de multiplas lampadas de flash
AR200937A1 (es) Circuito de polarizacion
IT1007781B (it) Apparecchio illuminante
BR7401397D0 (pt) Lampada
IT1004216B (it) Circuito miltivibratore astabile
SE7412025L (sv) Blixtlampsenhet