GB2021751B - Lamp of adjustable luminous flux - Google Patents

Lamp of adjustable luminous flux

Info

Publication number
GB2021751B
GB2021751B GB7918028A GB7918028A GB2021751B GB 2021751 B GB2021751 B GB 2021751B GB 7918028 A GB7918028 A GB 7918028A GB 7918028 A GB7918028 A GB 7918028A GB 2021751 B GB2021751 B GB 2021751B
Authority
GB
United Kingdom
Prior art keywords
lamp
luminous flux
adjustable luminous
adjustable
flux
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.)
Expired
Application number
GB7918028A
Other versions
GB2021751A (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.)
CONTI EURODENT
Original Assignee
CONTI EURODENT
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 CONTI EURODENT filed Critical CONTI EURODENT
Publication of GB2021751A publication Critical patent/GB2021751A/en
Application granted granted Critical
Publication of GB2021751B publication Critical patent/GB2021751B/en
Expired 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
    • H05B39/044—Controlling the light-intensity of the source continuously
    • 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
GB7918028A 1978-05-24 1979-05-23 Lamp of adjustable luminous flux Expired GB2021751B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT03449/78A IT1106658B (en) 1978-05-24 1978-05-24 ADJUSTABLE LUMINOUS FLOW LAMP

Publications (2)

Publication Number Publication Date
GB2021751A GB2021751A (en) 1979-12-05
GB2021751B true GB2021751B (en) 1982-06-16

Family

ID=11107573

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7918028A Expired GB2021751B (en) 1978-05-24 1979-05-23 Lamp of adjustable luminous flux

Country Status (10)

Country Link
JP (1) JPS5525991A (en)
DE (1) DE2920062A1 (en)
DK (1) DK211779A (en)
FI (1) FI791601A (en)
FR (1) FR2426860A1 (en)
GB (1) GB2021751B (en)
IT (1) IT1106658B (en)
NL (1) NL7904077A (en)
NO (1) NO791715L (en)
SE (1) SE7904561L (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3243709C3 (en) * 1982-11-25 1994-12-15 Delma Elektro Med App Operating light
US4563592A (en) * 1983-10-13 1986-01-07 Lutron Electronics Co. Inc. Wall box dimmer switch with plural remote control switches
USRE33504E (en) * 1983-10-13 1990-12-25 Lutron Electronics Co., Inc. Wall box dimer switch with plural remote control switches
GB2163613B (en) * 1984-08-21 1987-11-04 Crabtree Electrical Ind Ltd Power control device
JPH0310735Y2 (en) * 1985-05-20 1991-03-18
DK628788A (en) * 1987-12-12 1989-06-13 Insta Elektro Gmbh & Co Kg BRIGHTNESS ADJUSTMENT CIRCUIT
GB8827880D0 (en) * 1988-11-29 1988-12-29 Keller R Electrically controlled lamp adaptor
JPH071125Y2 (en) * 1989-05-23 1995-01-18 タカラベルモント株式会社 Dental light
GB2236025A (en) * 1989-09-15 1991-03-20 Desmond Bryan Leon Mills Dimmer switches
US5248919A (en) * 1992-03-31 1993-09-28 Lutron Electronics Co., Inc. Lighting control device
DE9319537U1 (en) * 1993-12-18 1994-09-22 Vh Lichttechnische Spezialgera Lighting device
US6264342B1 (en) 1999-07-27 2001-07-24 Vh Lichttechnische Spezialgerate Gmbh Illuminating device
GEP20074031B (en) * 2002-02-25 2007-02-12 American Sterilizer Companiy Ergonomic controls in a surgical lighting system
GB2391120B (en) * 2002-05-17 2005-12-21 * Traypoint Ltd Pull-cord operated dimmer switch assemblies

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2525006B2 (en) * 1975-06-05 1978-02-09 Ausscheidung in 25 59 564 Gebruder Merten GmbH & Co KG, 5270 Gummersbach ELECTRONIC CIRCUIT ARRANGEMENT FOR AN INSTALLATION DEVICE

Also Published As

Publication number Publication date
SE7904561L (en) 1979-11-25
FR2426860A1 (en) 1979-12-21
JPS5525991A (en) 1980-02-25
DE2920062A1 (en) 1979-11-29
NL7904077A (en) 1979-11-27
FR2426860B1 (en) 1985-02-22
NO791715L (en) 1979-11-27
DK211779A (en) 1979-11-25
FI791601A (en) 1979-11-25
IT1106658B (en) 1985-11-18
IT7803449A0 (en) 1978-05-24
GB2021751A (en) 1979-12-05

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Legal Events

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

Effective date: 19960523