GB8903930D0 - Load control system - Google Patents

Load control system

Info

Publication number
GB8903930D0
GB8903930D0 GB898903930A GB8903930A GB8903930D0 GB 8903930 D0 GB8903930 D0 GB 8903930D0 GB 898903930 A GB898903930 A GB 898903930A GB 8903930 A GB8903930 A GB 8903930A GB 8903930 D0 GB8903930 D0 GB 8903930D0
Authority
GB
United Kingdom
Prior art keywords
control system
load control
load
control
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB898903930A
Other versions
GB2212997A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lutron Electronics Co Inc
Original Assignee
Lutron Electronics Co Inc
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 US06/791,318 external-priority patent/US4833339A/en
Application filed by Lutron Electronics Co Inc filed Critical Lutron Electronics Co Inc
Priority to GB8903930A priority Critical patent/GB2212997A/en
Publication of GB8903930D0 publication Critical patent/GB8903930D0/en
Publication of GB2212997A publication Critical patent/GB2212997A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/13—Modifications for switching at zero crossing
    • H03K17/136—Modifications for switching at zero crossing in thyristor switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
    • H03K17/725—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for ac voltages or currents
    • 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices
    • H05B39/083—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices by the variation-rate of light intensity
    • H05B39/085—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices by the variation-rate of light intensity by touch control
    • H05B39/086—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices by the variation-rate of light intensity by touch control with possibility of remote control
    • 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
    • H05B47/10—Controlling the light source
GB8903930A 1985-10-25 1989-02-21 Electrical load control system Withdrawn GB2212997A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8903930A GB2212997A (en) 1985-10-25 1989-02-21 Electrical load control system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/791,318 US4833339A (en) 1983-10-13 1985-10-25 Load control system
GB8903930A GB2212997A (en) 1985-10-25 1989-02-21 Electrical load control system

Publications (2)

Publication Number Publication Date
GB8903930D0 true GB8903930D0 (en) 1989-04-05
GB2212997A GB2212997A (en) 1989-08-02

Family

ID=26294990

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8903930A Withdrawn GB2212997A (en) 1985-10-25 1989-02-21 Electrical load control system

Country Status (1)

Country Link
GB (1) GB2212997A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH551113A (en) * 1972-04-26 1974-06-28 Zellweger Uster Ag ELECTRONIC SWITCHING DEVICE WHICH MAKES ITS SWITCHING STATUS FOR AT LEAST A CERTAIN PERIOD IN THE EVENT OF A POWER INTERRUPTION.
US4090107A (en) * 1976-12-08 1978-05-16 Seib James N Electric circuit control system using logic device
US4144478A (en) * 1977-08-11 1979-03-13 Esquire, Inc. Lamp system take control dimming circuit
US4563592A (en) * 1983-10-13 1986-01-07 Lutron Electronics Co. Inc. Wall box dimmer switch with plural remote control switches

Also Published As

Publication number Publication date
GB2212997A (en) 1989-08-02

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)