GB1477438A - Arrangement for controlling the lihgting conditions in a room - Google Patents

Arrangement for controlling the lihgting conditions in a room

Info

Publication number
GB1477438A
GB1477438A GB2294275A GB2294275A GB1477438A GB 1477438 A GB1477438 A GB 1477438A GB 2294275 A GB2294275 A GB 2294275A GB 2294275 A GB2294275 A GB 2294275A GB 1477438 A GB1477438 A GB 1477438A
Authority
GB
United Kingdom
Prior art keywords
windows
fluorescent tubes
room
lihgting
arrangement
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
GB2294275A
Other languages
English (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.)
Siemens Corp
Original Assignee
Siemens Corp
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 DE19742425721 external-priority patent/DE2425721C3/de
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of GB1477438A publication Critical patent/GB1477438A/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
    • 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
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • 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

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
GB2294275A 1974-05-28 1975-05-23 Arrangement for controlling the lihgting conditions in a room Expired GB1477438A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742425721 DE2425721C3 (de) 1974-05-28 Anordnung zur Steuerung der Beleuchtungsverhältnisse in einem Raum

Publications (1)

Publication Number Publication Date
GB1477438A true GB1477438A (en) 1977-06-22

Family

ID=5916647

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2294275A Expired GB1477438A (en) 1974-05-28 1975-05-23 Arrangement for controlling the lihgting conditions in a room

Country Status (3)

Country Link
JP (1) JPS512270A (enrdf_load_stackoverflow)
CH (1) CH583999A5 (enrdf_load_stackoverflow)
GB (1) GB1477438A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0062004A1 (en) * 1981-03-31 1982-10-06 Giuseppe Baccanelli A device permitting of economizing electric lighting energy
EP0106200A1 (de) * 1982-09-23 1984-04-25 Heimann GmbH Vorrichtung zum automatischen Schalten und Regeln einer Raumbeleuchtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0062004A1 (en) * 1981-03-31 1982-10-06 Giuseppe Baccanelli A device permitting of economizing electric lighting energy
EP0106200A1 (de) * 1982-09-23 1984-04-25 Heimann GmbH Vorrichtung zum automatischen Schalten und Regeln einer Raumbeleuchtung

Also Published As

Publication number Publication date
DE2425721A1 (de) 1975-12-11
CH583999A5 (enrdf_load_stackoverflow) 1977-01-14
JPS512270A (enrdf_load_stackoverflow) 1976-01-09
DE2425721B2 (de) 1976-07-08

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Legal Events

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