SE440582B - Elektronisk krets i en indikeringsanordning - Google Patents

Elektronisk krets i en indikeringsanordning

Info

Publication number
SE440582B
SE440582B SE8002547A SE8002547A SE440582B SE 440582 B SE440582 B SE 440582B SE 8002547 A SE8002547 A SE 8002547A SE 8002547 A SE8002547 A SE 8002547A SE 440582 B SE440582 B SE 440582B
Authority
SE
Sweden
Prior art keywords
current
loop
voltage
transformers
circuit
Prior art date
Application number
SE8002547A
Other languages
English (en)
Swedish (sv)
Other versions
SE8002547L (sv
Inventor
L V Jacobsen
Original Assignee
Gundorf Albertus C
Hansen Erik Steinmann
Gioertz Leif Heegaard
Jacobsen Leif Vendelbo
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 Gundorf Albertus C, Hansen Erik Steinmann, Gioertz Leif Heegaard, Jacobsen Leif Vendelbo filed Critical Gundorf Albertus C
Publication of SE8002547L publication Critical patent/SE8002547L/
Publication of SE440582B publication Critical patent/SE440582B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145—Indicating the presence of current or voltage
    • G01R19/15—Indicating the presence of current
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Traffic Control Systems (AREA)
  • Measurement Of Current Or Voltage (AREA)
SE8002547A 1979-04-04 1980-04-02 Elektronisk krets i en indikeringsanordning SE440582B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK138279A DK146840C (da) 1979-04-04 1979-04-04 Kontrolapparat, fortrinsvis anvendeligt til indikering af antallet af overbraendte lamper i en lufthavns belysningsanlaeg

Publications (2)

Publication Number Publication Date
SE8002547L SE8002547L (sv) 1980-10-05
SE440582B true SE440582B (sv) 1985-08-05

Family

ID=8104252

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8002547A SE440582B (sv) 1979-04-04 1980-04-02 Elektronisk krets i en indikeringsanordning

Country Status (7)

Country Link
US (1) US4323841A (de)
BE (1) BE882616A (de)
DE (1) DE3012726A1 (de)
DK (1) DK146840C (de)
FI (1) FI69521C (de)
GB (1) GB2050726B (de)
SE (1) SE440582B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4646058A (en) * 1985-06-05 1987-02-24 Westinghouse Electric Corp. Elevator system with lamp failure monitoring
US4650037A (en) * 1985-06-05 1987-03-17 Westinghouse Electric Corp. Elevator system
BE902709A (fr) * 1985-06-20 1985-12-20 Backer Adrien Sa Procede et dispositif de surveillance de balises lumineuses.
IT1211687B (it) * 1987-07-29 1989-11-03 Vitroselenia S P A In El Ingeg Sistema di rilevamento dei guasti sui circuiti d'illuminazione con alimentazione in serie, particolarmente idoneo per aeroporti
ES2024296A6 (es) * 1990-08-06 1992-02-16 Electronic Traffic Sa Procedimiento para la deteccion de fallos en el alumbrado publico>
US5581229A (en) * 1990-12-19 1996-12-03 Hunt Technologies, Inc. Communication system for a power distribution line
US6097191A (en) * 1996-03-21 2000-08-01 Carolina Power & Light Company Testing high intensity discharge lamp fixtures
US6232726B1 (en) * 1999-12-28 2001-05-15 Philips Electronics North America Corporation Ballast scheme for operating multiple lamps
WO2001063976A1 (de) * 2000-02-21 2001-08-30 Siemens Aktiengesellschaft Lampenausfall- und isolationsmeldesystem
US7557733B1 (en) 2006-12-06 2009-07-07 Roger Bieberdorf Airfield lighting system with regulator selector
NO330211B1 (no) * 2009-09-25 2011-03-07 Ledlight Group As Administrasjon og vedlikehold av belysningsinnretninger
CN102540001B (zh) * 2012-02-16 2014-09-24 云南电网公司 500kV变电站模拟穿越式三相短路检验交流电流回路的方法

Family Cites Families (3)

* 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
US3054991A (en) * 1959-07-02 1962-09-18 Gen Electric Load monitoring circuit
BE794608A (fr) * 1972-01-28 1973-05-16 Plessey Handel Investment Ag Perfectionnements relatifs a des agencements de circuits

Also Published As

Publication number Publication date
GB2050726B (en) 1982-11-24
FI801028A (fi) 1980-10-05
US4323841A (en) 1982-04-06
FI69521C (fi) 1986-02-10
DE3012726A1 (de) 1980-10-16
DK138279A (da) 1980-10-05
GB2050726A (en) 1981-01-07
DK146840C (da) 1984-07-02
DK146840B (da) 1984-01-16
SE8002547L (sv) 1980-10-05
DE3012726C2 (de) 1990-08-09
BE882616A (fr) 1980-10-03
FI69521B (fi) 1985-10-31

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