JPS6446996U - - Google Patents

Info

Publication number
JPS6446996U
JPS6446996U JP1987140857U JP14085787U JPS6446996U JP S6446996 U JPS6446996 U JP S6446996U JP 1987140857 U JP1987140857 U JP 1987140857U JP 14085787 U JP14085787 U JP 14085787U JP S6446996 U JPS6446996 U JP S6446996U
Authority
JP
Japan
Prior art keywords
multivibrator
lamp
control circuit
pulse signal
luminous intensity
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
JP1987140857U
Other languages
English (en)
Other versions
JPH059840Y2 (ja
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 filed Critical
Priority to JP1987140857U priority Critical patent/JPH059840Y2/ja
Priority to US07/204,484 priority patent/US4887006A/en
Publication of JPS6446996U publication Critical patent/JPS6446996U/ja
Application granted granted Critical
Publication of JPH059840Y2 publication Critical patent/JPH059840Y2/ja
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
    • H05B39/044—Controlling the light-intensity of the source continuously
    • H05B39/047—Controlling the light-intensity of the source continuously with pulse width modulation from a DC power source
    • 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

Landscapes

  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例に係るデイマコント
ロール回路の構成を示す回路図、第２図は従来使
用されているデイマコントロール回路の構成を示
す回路図、第３図は従来提案されているデイマコ
ントロール回路の構成を示す回路図である。 １……デイジタル増幅器、２，５，６，９……
抵抗、３，１１……トランジスタ、４……可変抵
抗器、７，８……コンデンサ、１０，１２……ダ
イオード、１３……ランプ、１４……バツテリー
、１７……スイツチ。

Claims (1)

    【実用新案登録請求の範囲】
  1. マルチバイブレータに特定数調整手段が設けら
    れ、この時定数調整手段により前記マルチバイブ
    レータの出力パルス信号の負荷時間率を調整し、
    前記出力パルス信号によつてランプに印加される
    バツテリーの電圧をＯＮ・ＯＦＦ制御し、この制
    御によつて前記ランプの光度を調整するようにし
    たデイマコントロール回路において、前記時定数
    調整手段による前記ランプの光度を増加させる方
    向への調整の端部近傍で作動し、前記マルチバイ
    ブレータの動作を停止させる停止手段が前記マル
    チバイブレータに設けられてなることを特徴とす
    るデイマコントロール回路。
JP1987140857U 1987-09-17 1987-09-17 Expired - Lifetime JPH059840Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987140857U JPH059840Y2 (ja) 1987-09-17 1987-09-17
US07/204,484 US4887006A (en) 1987-09-17 1988-06-09 Dimmer control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987140857U JPH059840Y2 (ja) 1987-09-17 1987-09-17

Publications (2)

Publication Number Publication Date
JPS6446996U true JPS6446996U (ja) 1989-03-23
JPH059840Y2 JPH059840Y2 (ja) 1993-03-10

Family

ID=15278353

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987140857U Expired - Lifetime JPH059840Y2 (ja) 1987-09-17 1987-09-17

Country Status (2)

Country Link
US (1) US4887006A (ja)
JP (1) JPH059840Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7322704B2 (en) 2004-07-30 2008-01-29 Novalux, Inc. Frequency stabilized vertical extended cavity surface emitting lasers

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5498934A (en) * 1989-09-22 1996-03-12 Nilssen; Ole K. Electronic flashlight
JP2597346Y2 (ja) * 1993-02-01 1999-07-05 アルプス電気株式会社 ランプ調光装置
US6246184B1 (en) 1999-08-03 2001-06-12 Texas Instruments Incorporated Flashlight boost regulator
US6870329B2 (en) * 2002-04-26 2005-03-22 Vector Products, Inc. PWM controller with automatic low battery power reduction circuit and lighting device incorporating the controller
US6770853B2 (en) 2002-10-22 2004-08-03 Vector Products, Inc. PWM controller for DC powered heating blanket

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US29589A (en) * 1860-08-14 Asa gkeenwood
US3949347A (en) * 1975-04-25 1976-04-06 Hunt Electronics Co. Switching potentiometer control unit
US4168453A (en) * 1977-12-28 1979-09-18 Datapower, Inc. Variable intensity control apparatus for operating a gas discharge lamp
JPS55155494A (en) * 1979-05-23 1980-12-03 Toyota Motor Co Ltd Dimmer
JPH0412636Y2 (ja) * 1985-04-18 1992-03-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7322704B2 (en) 2004-07-30 2008-01-29 Novalux, Inc. Frequency stabilized vertical extended cavity surface emitting lasers

Also Published As

Publication number Publication date
US4887006A (en) 1989-12-12
JPH059840Y2 (ja) 1993-03-10

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