GB8727974D0 - Lamp-starting device - Google Patents

Lamp-starting device

Info

Publication number
GB8727974D0
GB8727974D0 GB878727974A GB8727974A GB8727974D0 GB 8727974 D0 GB8727974 D0 GB 8727974D0 GB 878727974 A GB878727974 A GB 878727974A GB 8727974 A GB8727974 A GB 8727974A GB 8727974 D0 GB8727974 D0 GB 8727974D0
Authority
GB
United Kingdom
Prior art keywords
lamp
starting device
starting
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.)
Granted
Application number
GB878727974A
Other versions
GB2212994A (en
GB2212994B (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.)
Hayashibara Co Ltd
Original Assignee
Hayashibara Co 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 Hayashibara Co Ltd filed Critical Hayashibara Co Ltd
Priority to GB8727974A priority Critical patent/GB2212994B/en
Publication of GB8727974D0 publication Critical patent/GB8727974D0/en
Publication of GB2212994A publication Critical patent/GB2212994A/en
Application granted granted Critical
Publication of GB2212994B publication Critical patent/GB2212994B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H05B39/041—Controlling the light-intensity of the source
    • 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
    • H05B39/02—Switching on, e.g. with predetermined rate of increase of lighting current
    • 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
GB8727974A 1987-11-30 1987-11-30 A method and apparatus for producing continuous illumination from a lamp Expired - Lifetime GB2212994B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8727974A GB2212994B (en) 1987-11-30 1987-11-30 A method and apparatus for producing continuous illumination from a lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8727974A GB2212994B (en) 1987-11-30 1987-11-30 A method and apparatus for producing continuous illumination from a lamp

Publications (3)

Publication Number Publication Date
GB8727974D0 true GB8727974D0 (en) 1988-01-06
GB2212994A GB2212994A (en) 1989-08-02
GB2212994B GB2212994B (en) 1992-07-08

Family

ID=10627755

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8727974A Expired - Lifetime GB2212994B (en) 1987-11-30 1987-11-30 A method and apparatus for producing continuous illumination from a lamp

Country Status (1)

Country Link
GB (1) GB2212994B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW203145B (en) * 1991-04-09 1993-04-01 Hayashibara Ken
US6958579B2 (en) * 2002-08-07 2005-10-25 Ruud Lighting, Inc. Thermally-protected ballast for high-intensity-discharge lamps
US8193745B2 (en) 2005-05-13 2012-06-05 Schlumberger Technology Corporation Filtering and boosting a signal from a drive circuit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB348086A (en) * 1928-10-29 1931-04-28 Fernando Aldrovandi Improved method of and means for lighting by alternating current
GB386552A (en) * 1931-06-26 1933-01-19 Philips Nv Method and apparatus for making photographs by artificial light
GB865841A (en) * 1958-06-23 1961-04-19 Polaroid Corp Photoflash unit
CH500649A (en) * 1968-11-25 1970-12-15 Siemens Ag AC power controller with an actuator via which a consumer is connected to an AC voltage source
DE2810232C3 (en) * 1978-03-07 1980-11-20 Klaus 1000 Berlin Kuehn table lamp
US4389598A (en) * 1981-02-10 1983-06-21 Smith Robert M Disco light assembly
DE3506737A1 (en) * 1984-09-14 1986-03-27 Christian 2300 Kiel Zhorzel Lamp
US4638413A (en) * 1984-11-15 1987-01-20 Kenneth Tarlow Combination spotlight and table lamp
JPS61279915A (en) * 1985-06-05 1986-12-10 Hayashibara Takeshi Automatic phase switch circuit

Also Published As

Publication number Publication date
GB2212994A (en) 1989-08-02
GB2212994B (en) 1992-07-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971130