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IT1024023B - Circuito a lampada di segnalazione - Google Patents

Circuito a lampada di segnalazione

Info

Publication number
IT1024023B
IT1024023B IT41677/74A IT4167774A IT1024023B IT 1024023 B IT1024023 B IT 1024023B IT 41677/74 A IT41677/74 A IT 41677/74A IT 4167774 A IT4167774 A IT 4167774A IT 1024023 B IT1024023 B IT 1024023B
Authority
IT
Italy
Prior art keywords
lamp circuit
signaling lamp
signaling
circuit
lamp
Prior art date
Application number
IT41677/74A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1024023B publication Critical patent/IT1024023B/it

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/44Testing lamps
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12Checking intermittently signalling or alarm systems
    • G08B29/126Checking 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)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
IT41677/74A 1973-09-18 1974-09-16 Circuito a lampada di segnalazione IT1024023B (it)

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
IT1024023B true IT1024023B (it) 1978-06-20

Family

ID=23575054

Family Applications (1)

Application Number Title Priority Date Filing Date
IT41677/74A IT1024023B (it) 1973-09-18 1974-09-16 Circuito a lampada di segnalazione

Country Status (11)

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

Families Citing this family (15)

* 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
USD371747S (en) 1995-06-12 1996-07-16 Strader Philip J Tester for testing Christmas tree light bulbs and sockets
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
WO2017070819A1 (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
FR2244220B1 (it) 1979-03-09
BE819983A (fr) 1975-03-17
BR7407774D0 (pt) 1975-07-29
ES430020A1 (es) 1976-09-16
FR2244220A1 (it) 1975-04-11
CH582393A5 (it) 1976-11-30
US3840801A (en) 1974-10-08
SE397016B (sv) 1977-10-10
GB1477047A (en) 1977-06-22
DE2442889A1 (de) 1975-04-03
SE7411759L (it) 1975-04-14
CA972037A (en) 1975-07-29

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