IT1258698B - Televisore con lampada alimentata a corrente alternata a frequenza variabile. - Google Patents

Televisore con lampada alimentata a corrente alternata a frequenza variabile.

Info

Publication number
IT1258698B
IT1258698B ITTO920502A ITTO920502A IT1258698B IT 1258698 B IT1258698 B IT 1258698B IT TO920502 A ITTO920502 A IT TO920502A IT TO920502 A ITTO920502 A IT TO920502A IT 1258698 B IT1258698 B IT 1258698B
Authority
IT
Italy
Prior art keywords
variable frequency
current lamp
alternated current
frequency alternated
lamp
Prior art date
Application number
ITTO920502A
Other languages
English (en)
Original Assignee
Seleco Spa
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 Seleco Spa filed Critical Seleco Spa
Priority to ITTO920502A priority Critical patent/IT1258698B/it
Publication of ITTO920502A0 publication Critical patent/ITTO920502A0/it
Priority to EP93109099A priority patent/EP0573932A2/en
Publication of ITTO920502A1 publication Critical patent/ITTO920502A1/it
Application granted granted Critical
Publication of IT1258698B publication Critical patent/IT1258698B/it

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B39/00Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04Controlling
    • H05B39/041Controlling the light-intensity of the source
    • H05B39/044Controlling the light-intensity of the source continuously
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/63Generation or supply of power specially adapted for television receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/64Constructional details of receivers, e.g. cabinets or dust covers
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/105Controlling the light source in response to determined parameters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Abstract

La presente invenzione si riferisce ad un televisore dotato di una lampada alimentata in corrente alternata; la caratteristica principale dell'invenzione consiste nel fatto che detta corrente alternata è a frequenza variabile.
ITTO920502A 1992-06-12 1992-06-12 Televisore con lampada alimentata a corrente alternata a frequenza variabile. IT1258698B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITTO920502A IT1258698B (it) 1992-06-12 1992-06-12 Televisore con lampada alimentata a corrente alternata a frequenza variabile.
EP93109099A EP0573932A2 (en) 1992-06-12 1993-06-07 Television with lamp supplied in alternating current being of variable frequency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO920502A IT1258698B (it) 1992-06-12 1992-06-12 Televisore con lampada alimentata a corrente alternata a frequenza variabile.

Publications (3)

Publication Number Publication Date
ITTO920502A0 ITTO920502A0 (it) 1992-06-12
ITTO920502A1 ITTO920502A1 (it) 1993-12-12
IT1258698B true IT1258698B (it) 1996-02-27

Family

ID=11410529

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO920502A IT1258698B (it) 1992-06-12 1992-06-12 Televisore con lampada alimentata a corrente alternata a frequenza variabile.

Country Status (2)

Country Link
EP (1) EP0573932A2 (it)
IT (1) IT1258698B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1283015B1 (it) * 1996-05-15 1998-04-03 Beghelli Srl Dispositivo di illuminazione ad accensione e spegnimento automatici

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3206951A1 (de) * 1982-02-26 1983-09-15 Heinz-Josef 4403 Senden Hano Schaltungsanordnung fuer fernsehleuchten
DE3602858A1 (de) * 1986-01-31 1987-08-06 Thomson Brandt Gmbh Schaltnetzteil fuer fernsehgeraete
JPH01157100A (ja) * 1987-12-14 1989-06-20 Canon Inc 電源装置
JPH0820827B2 (ja) * 1988-05-31 1996-03-04 シャープ株式会社 複写機の電源装置
DE4021940A1 (de) * 1990-07-10 1992-01-16 Thomson Brandt Gmbh Schaltnetzteil fuer einen fernsehempfaenger

Also Published As

Publication number Publication date
EP0573932A3 (it) 1994-04-06
ITTO920502A0 (it) 1992-06-12
ITTO920502A1 (it) 1993-12-12
EP0573932A2 (en) 1993-12-15

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970630