BE794608A - IMPROVEMENTS RELATING TO THE LAYOUT OF CIRCUITS - Google Patents

IMPROVEMENTS RELATING TO THE LAYOUT OF CIRCUITS

Info

Publication number
BE794608A
BE794608A BE794608DA BE794608A BE 794608 A BE794608 A BE 794608A BE 794608D A BE794608D A BE 794608DA BE 794608 A BE794608 A BE 794608A
Authority
BE
Belgium
Prior art keywords
layout
circuits
improvements relating
relating
Prior art date
Application number
Other languages
French (fr)
Inventor
Plessey Cy Ltd. The
Original Assignee
Plessey Handel Investment Ag
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.)
Publication date
Publication of BE794608A publication Critical patent/BE794608A/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/23—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in series
BE794608D 1972-01-28 IMPROVEMENTS RELATING TO THE LAYOUT OF CIRCUITS BE794608A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB401272A GB1379077A (en) 1972-01-28 1972-01-28 Airfield lighting circuit arrangements
GB1744672 1972-04-14

Publications (1)

Publication Number Publication Date
BE794608A true BE794608A (en) 1973-05-16

Family

ID=26238753

Family Applications (1)

Application Number Title Priority Date Filing Date
BE794608D BE794608A (en) 1972-01-28 IMPROVEMENTS RELATING TO THE LAYOUT OF CIRCUITS

Country Status (7)

Country Link
US (1) US3829735A (en)
BE (1) BE794608A (en)
DE (1) DE2303655A1 (en)
FR (1) FR2169287B1 (en)
GB (1) GB1379077A (en)
IT (1) IT978546B (en)
SE (1) SE384963B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138627A (en) * 1975-09-02 1979-02-06 Hughey And Phillips, Inc. Current-level-sensitive switching system
DE2829135C2 (en) * 1978-07-03 1982-09-02 Siemens AG, 1000 Berlin und 8000 München Monitoring device for the lamp failure in the case of an airport lighting system
JPS55121156A (en) * 1979-03-13 1980-09-18 Toshiba Corp Core disconnection detection unit
DK146840C (en) * 1979-04-04 1984-07-02 Albertus Christian CONTROL APPARATUS APPLICABLE TO INDICATE THE NUMBER OF TRANSMITTED LAMPS IN AN AIRPORT LIGHTING SYSTEM
JPS55139795A (en) * 1979-04-19 1980-10-31 Tokyo Shibaura Electric Co Core disconnector detector for series firing circuit
DE3152093T1 (en) * 1980-06-10 1982-11-04 Kaunassk Polt Inst Antanasa LIGHTING SYSTEM
US4449073A (en) * 1982-06-14 1984-05-15 Multi Electric Mfg. Inc. Runway approach lighting system with fault monitor
JP2557527B2 (en) * 1989-07-31 1996-11-27 株式会社東芝 Light core break detector
JP2923324B2 (en) * 1990-03-20 1999-07-26 株式会社東芝 Light core break detector
DE4110990A1 (en) * 1991-04-05 1992-10-08 Standard Elektrik Lorenz Ag DEVICE FOR TESTING SIGNAL LAMPS IN RAILWAY SYSTEMS
US5648723A (en) * 1994-05-09 1997-07-15 Adb-Alnaco, Inc. Method and apparatus for separating and analyzing composite AC/DC waveforms
US5638057A (en) * 1994-05-09 1997-06-10 Adb-Alnaco, Inc. Ground fault detection and measurement system for airfield lighting system
US6305602B1 (en) 1997-12-01 2001-10-23 Diebold, Incorporated Light monitoring system and method for automated transaction machine
WO2001063976A1 (en) * 2000-02-21 2001-08-30 Siemens Aktiengesellschaft Lamp failure and insulation alarm system
US6911777B1 (en) * 2003-08-14 2005-06-28 Cooper Industries, Inc. Clamp-on low power isolation transformer for airfield lighting
US7068188B1 (en) 2004-06-08 2006-06-27 Controlled Power Company Runway approach lighting system and method
US7088263B1 (en) 2004-06-08 2006-08-08 Controlled Power Company Runway approach lighting system and method
US9008992B2 (en) 2011-03-25 2015-04-14 Thomas & Betts International, Inc. Testing and monitoring an electrical system
US10516294B2 (en) 2015-02-09 2019-12-24 Eaton Intelligent Power Limited Uninterruptible constant current regulator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061828A (en) * 1958-03-11 1962-10-30 Basic Products Corp Circuit means
BE759346A (en) * 1969-11-28 1971-04-30 Jeumont Schneider AUTOMATIC REGULATION PROCESS AND DEVICE

Also Published As

Publication number Publication date
FR2169287A1 (en) 1973-09-07
DE2303655A1 (en) 1973-08-02
FR2169287B1 (en) 1978-03-03
GB1379077A (en) 1975-01-02
IT978546B (en) 1974-09-20
SE384963B (en) 1976-05-24
US3829735A (en) 1974-08-13

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: PLESSEY OVERSEAS LTD

Effective date: 19860131