DK2875A - Skumringsrele - Google Patents

Skumringsrele

Info

Publication number
DK2875A
DK2875A DK2875*#A DK2875A DK2875A DK 2875 A DK2875 A DK 2875A DK 2875 A DK2875 A DK 2875A DK 2875 A DK2875 A DK 2875A
Authority
DK
Denmark
Prior art keywords
damage rules
rules
damage
Prior art date
Application number
DK2875*#A
Other languages
English (en)
Inventor
K H S Johansen
Original Assignee
Servodan As
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 Servodan As filed Critical Servodan As
Priority to DK2875*#A priority Critical patent/DK2875A/da
Priority to GB123/76A priority patent/GB1538481A/en
Publication of DK2875A publication Critical patent/DK2875A/da

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
    • H05B39/04Controlling
    • H05B39/06Switching arrangements, e.g. from series operation to parallel operation
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/296Time-programme switches providing a choice of time-intervals for executing more than one switching action and automatically terminating their operation after the programme is completed
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/941Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
DK2875*#A 1975-01-08 1975-01-08 Skumringsrele DK2875A (da)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK2875*#A DK2875A (da) 1975-01-08 1975-01-08 Skumringsrele
GB123/76A GB1538481A (en) 1975-01-08 1976-01-05 Twilight switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK2875*#A DK2875A (da) 1975-01-08 1975-01-08 Skumringsrele

Publications (1)

Publication Number Publication Date
DK2875A true DK2875A (da) 1976-07-09

Family

ID=8088927

Family Applications (1)

Application Number Title Priority Date Filing Date
DK2875*#A DK2875A (da) 1975-01-08 1975-01-08 Skumringsrele

Country Status (2)

Country Link
DK (1) DK2875A (da)
GB (1) GB1538481A (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147962A (en) * 1977-12-19 1979-04-03 Westinghouse Electric Corp. Energy-conserving illumination system

Also Published As

Publication number Publication date
GB1538481A (en) 1979-01-17

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