GB9026720D0 - Electrical switching device - Google Patents

Electrical switching device

Info

Publication number
GB9026720D0
GB9026720D0 GB909026720A GB9026720A GB9026720D0 GB 9026720 D0 GB9026720 D0 GB 9026720D0 GB 909026720 A GB909026720 A GB 909026720A GB 9026720 A GB9026720 A GB 9026720A GB 9026720 D0 GB9026720 D0 GB 9026720D0
Authority
GB
United Kingdom
Prior art keywords
switching device
electrical switching
electrical
switching
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Withdrawn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
GB909026720A
Other versions
GB2250618A (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.)
TREVI SpA Ltd
Original Assignee
TREVI SpA Ltd
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 TREVI SpA Ltd filed Critical TREVI SpA Ltd
Priority to GB9026720A priority Critical patent/GB2250618A/en
Publication of GB9026720D0 publication Critical patent/GB9026720D0/en
Publication of GB2250618A publication Critical patent/GB2250618A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/033—Monostable circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • 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
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • H05B47/12—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by detecting audible sound
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
GB9026720A 1990-12-08 1990-12-08 An electrical switching device Withdrawn GB2250618A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9026720A GB2250618A (en) 1990-12-08 1990-12-08 An electrical switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9026720A GB2250618A (en) 1990-12-08 1990-12-08 An electrical switching device

Publications (2)

Publication Number Publication Date
GB9026720D0 true GB9026720D0 (en) 1991-01-30
GB2250618A GB2250618A (en) 1992-06-10

Family

ID=10686700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9026720A Withdrawn GB2250618A (en) 1990-12-08 1990-12-08 An electrical switching device

Country Status (1)

Country Link
GB (1) GB2250618A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9917433D0 (en) * 1999-07-23 1999-09-22 Marshall Allan A lighting device
GB2374185A (en) * 2001-04-05 2002-10-09 Jung Tsung Wei Vibration sensing assembly and controller
WO2011070336A1 (en) * 2009-12-11 2011-06-16 Benmore Ventures Limited Sound-actuated illumination circuit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582671A (en) * 1969-07-07 1971-06-01 Novar Electronics Corp Sound-responsive light
US3713126A (en) * 1971-02-18 1973-01-23 Novar Electronics Corp Burglar deterrent timing switch
US3761912A (en) * 1971-05-20 1973-09-25 Novar Electronics Corp Burglar deterrent timing switch
JPS56107427A (en) * 1980-01-30 1981-08-26 Ozen Co Ltd Switching device for energizing responsive to sound for predetermined time
GB2077011B (en) * 1980-05-27 1983-03-09 Yeldham Albert James A bedroom light control device
GB2161302A (en) * 1984-07-04 1986-01-08 Christopher Paul Northcott Sound activated light switch
GB8826714D0 (en) * 1988-11-15 1988-12-21 Waverlink Electronics Ltd Sound sensitive electrical switch

Also Published As

Publication number Publication date
GB2250618A (en) 1992-06-10

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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)