EP1098178A3 - Leuchtdichtenregelung einer beleuchteten Fläche - Google Patents

Leuchtdichtenregelung einer beleuchteten Fläche Download PDF

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Publication number
EP1098178A3
EP1098178A3 EP00660192A EP00660192A EP1098178A3 EP 1098178 A3 EP1098178 A3 EP 1098178A3 EP 00660192 A EP00660192 A EP 00660192A EP 00660192 A EP00660192 A EP 00660192A EP 1098178 A3 EP1098178 A3 EP 1098178A3
Authority
EP
European Patent Office
Prior art keywords
illuminated surface
luminance
controlling
controlling luminance
brightness
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Withdrawn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
EP00660192A
Other languages
English (en)
French (fr)
Other versions
EP1098178A2 (de
Inventor
Tapio Nieminen
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.)
Teknoware Oy
Original Assignee
Teknoware Oy
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 Teknoware Oy filed Critical Teknoware Oy
Publication of EP1098178A2 publication Critical patent/EP1098178A2/de
Publication of EP1098178A3 publication Critical patent/EP1098178A3/de
Withdrawn legal-status Critical Current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

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
EP00660192A 1999-11-04 2000-10-27 Leuchtdichtenregelung einer beleuchteten Fläche Withdrawn EP1098178A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI992386 1999-11-04
FI992386A FI111302B (fi) 1999-11-04 1999-11-04 Valaistavan pinnan pintakirkkauden säätö

Publications (2)

Publication Number Publication Date
EP1098178A2 EP1098178A2 (de) 2001-05-09
EP1098178A3 true EP1098178A3 (de) 2004-03-17

Family

ID=8555559

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00660192A Withdrawn EP1098178A3 (de) 1999-11-04 2000-10-27 Leuchtdichtenregelung einer beleuchteten Fläche

Country Status (4)

Country Link
EP (1) EP1098178A3 (de)
FI (1) FI111302B (de)
NO (1) NO20005569L (de)
PL (1) PL343658A1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962600A (en) * 1975-02-14 1976-06-08 Arvin Hong Kong Ltd. Ambient light responsive illumination brightness control circuit
EP0263026A1 (de) * 1986-09-30 1988-04-06 SOCIETE D'ETUDES POUR LE DEVELOPPEMENT DES PRODUCTIONS ELECTRONIQUES société anonyme Elektrische Speiseanordnung einer Lichtquelle mit Halogenlampen
US4760389A (en) * 1985-11-27 1988-07-26 Hosiden Electronics Co. Ltd. Transmitting type display device
WO1997001240A1 (en) * 1995-06-20 1997-01-09 Thomson Consumer Electronics, Inc. Back lit electronic viewfinder
US5930059A (en) * 1998-01-02 1999-07-27 Equestrian Co., Ltd. Reflection mirror equipped with a luminance sensor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962600A (en) * 1975-02-14 1976-06-08 Arvin Hong Kong Ltd. Ambient light responsive illumination brightness control circuit
US4760389A (en) * 1985-11-27 1988-07-26 Hosiden Electronics Co. Ltd. Transmitting type display device
EP0263026A1 (de) * 1986-09-30 1988-04-06 SOCIETE D'ETUDES POUR LE DEVELOPPEMENT DES PRODUCTIONS ELECTRONIQUES société anonyme Elektrische Speiseanordnung einer Lichtquelle mit Halogenlampen
WO1997001240A1 (en) * 1995-06-20 1997-01-09 Thomson Consumer Electronics, Inc. Back lit electronic viewfinder
US5930059A (en) * 1998-01-02 1999-07-27 Equestrian Co., Ltd. Reflection mirror equipped with a luminance sensor

Also Published As

Publication number Publication date
PL343658A1 (en) 2001-05-07
FI111302B (fi) 2003-06-30
NO20005569L (no) 2001-05-07
EP1098178A2 (de) 2001-05-09
FI19992386A (fi) 2001-05-05
NO20005569D0 (no) 2000-11-03

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