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BE741924A - - Google Patents

Info

Publication number
BE741924A
BE741924A BE741924DA BE741924A BE 741924 A BE741924 A BE 741924A BE 741924D A BE741924D A BE 741924DA BE 741924 A BE741924 A BE 741924A
Authority
BE
Belgium
Application number
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
Priority claimed from CH1749268A external-priority patent/CH491452A/en
Application filed filed Critical
Publication of BE741924A publication Critical patent/BE741924A/xx

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B39/00Circuit arrangements or apparatus for operating incandescent light sources
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20Responsive to malfunctions or to light source life; for protection
    • H05B47/21Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel
    • H05B47/22Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel with communication between the lamps and a central unit
BE741924D 1968-11-25 1969-11-19 BE741924A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1749268A CH491452A (en) 1968-11-25 1968-11-25 Circuit for monitoring the operational readiness of at least one DC-fed signal lamp and the transistor controlling it
CH690069A CH501285A (en) 1968-11-25 1969-05-07 Circuit for monitoring the operational readiness of at least one DC-fed signal lamp and the transistor controlling it

Publications (1)

Publication Number Publication Date
BE741924A true BE741924A (en) 1970-05-04

Family

ID=25700359

Family Applications (1)

Application Number Title Priority Date Filing Date
BE741924D BE741924A (en) 1968-11-25 1969-11-19

Country Status (12)

Country Link
JP (1) JPS4844076B1 (en)
BE (1) BE741924A (en)
CH (1) CH501285A (en)
CS (1) CS178063B2 (en)
DE (1) DE1956560B2 (en)
FR (1) FR2024204A1 (en)
GB (1) GB1294698A (en)
NL (1) NL6917673A (en)
PL (1) PL72701B1 (en)
RO (1) RO58917A (en)
SE (1) SE344839B (en)
YU (1) YU32418B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3211251C2 (en) * 1982-03-26 1985-09-26 Steinbock Gmbh, 8052 Moosburg Circuit arrangement for monitoring the degree of wear of commutator carbon brushes
WO1987006694A1 (en) * 1986-04-24 1987-11-05 Nauchno-Issledovatelsky I Experimentalny Institut Apparatus for measuring temporal parameters of light signalling devices
JPS6376336U (en) * 1986-11-04 1988-05-20
FR2675266B1 (en) * 1991-04-10 1995-09-01 Cheylus Jacques FUNCTION DETECTOR WITH COUNTER.
CN112816804B (en) * 2019-11-15 2024-04-26 中车株洲电力机车研究所有限公司 Pulse testing device with high integration level

Also Published As

Publication number Publication date
FR2024204A1 (en) 1970-08-28
GB1294698A (en) 1972-11-01
NL6917673A (en) 1970-05-27
RO58917A (en) 1976-01-15
DE1956560A1 (en) 1970-06-11
CS178063B2 (en) 1977-08-31
YU32418B (en) 1974-10-31
DE1956560B2 (en) 1977-11-17
PL72701B1 (en) 1974-08-30
YU293769A (en) 1974-04-30
JPS4844076B1 (en) 1973-12-22
CH501285A (en) 1970-12-31
SE344839B (en) 1972-05-02

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