JPH0196783U - - Google Patents

Info

Publication number
JPH0196783U
JPH0196783U JP1987191615U JP19161587U JPH0196783U JP H0196783 U JPH0196783 U JP H0196783U JP 1987191615 U JP1987191615 U JP 1987191615U JP 19161587 U JP19161587 U JP 19161587U JP H0196783 U JPH0196783 U JP H0196783U
Authority
JP
Japan
Prior art keywords
circuit
duty ratio
oscillation
load
control device
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
JP1987191615U
Other languages
Japanese (ja)
Other versions
JPH0723033Y2 (en
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 JP1987191615U priority Critical patent/JPH0723033Y2/en
Publication of JPH0196783U publication Critical patent/JPH0196783U/ja
Application granted granted Critical
Publication of JPH0723033Y2 publication Critical patent/JPH0723033Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Dc-Dc Converters (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、この考案の好適な実施例を示した電
気回路図である。第２図ａ〜第２図ｃは、第１図
に示すａ点〜ｃ点の電気特性図である。第３図は
、第１図に示す可変抵抗ＶＲ１の可変位置におけ
る抵抗値（Ω）デユーテイ比（％）の関係を示す
電気特性図である。第４図は、従来の技術を示す
電気回路図である。 １……発振回路、２……デユーテイ比補正回路
、３……出力回路、４……負荷。 FIG. 1 is an electrical circuit diagram showing a preferred embodiment of this invention. 2a to 2c are electrical characteristic diagrams of points a to c shown in FIG. 1. FIG. 3 is an electrical characteristic diagram showing the relationship between resistance value (Ω) and duty ratio (%) at variable positions of variable resistor VR1 shown in FIG. FIG. 4 is an electrical circuit diagram showing a conventional technique. 1...Oscillation circuit, 2...Duty ratio correction circuit, 3...Output circuit, 4...Load.

Claims (1)

【実用新案登録請求の範囲】 (1) 発振回路と、該発振回路からの発振信号に
応じて付勢される負荷と、該負荷及び発振回路間
に介設され前記発振信号のデユーテイ比を補正す
るデユーテイ比補正回路とで構成されたことを特
徴とするデユーテイ比制御装置。 (2) 前記デユーテイ比補正回路は、発振信号を
積分する積分回路と、該積分回路からの積分信号
のレベルを基準レベルと比較し波形整形する比較
回路とで構成されたことを特徴とする実用新案登
録請求の範囲第１項記載のデユーテイ比制御装置
。 (3) 前記負荷は車両に搭載された負荷であるこ
とを特徴とする実用新案登録請求の範囲第１項又
は第２項記載のデユーテイ比制御装置。[Claims for Utility Model Registration] (1) An oscillation circuit, a load energized in response to an oscillation signal from the oscillation circuit, and an oscillation circuit interposed between the load and the oscillation circuit to correct the duty ratio of the oscillation signal. 1. A duty ratio control device comprising a duty ratio correction circuit. (2) The duty ratio correction circuit is comprised of an integrating circuit that integrates an oscillation signal, and a comparison circuit that compares the level of the integrated signal from the integrating circuit with a reference level and shapes the waveform. A duty ratio control device according to claim 1. (3) The duty ratio control device according to claim 1 or 2, wherein the load is a load mounted on a vehicle.
JP1987191615U 1987-12-17 1987-12-17 Duty ratio controller Expired - Lifetime JPH0723033Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987191615U JPH0723033Y2 (en) 1987-12-17 1987-12-17 Duty ratio controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987191615U JPH0723033Y2 (en) 1987-12-17 1987-12-17 Duty ratio controller

Publications (2)

Publication Number Publication Date
JPH0196783U true JPH0196783U (en) 1989-06-27
JPH0723033Y2 JPH0723033Y2 (en) 1995-05-24

Family

ID=31482518

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987191615U Expired - Lifetime JPH0723033Y2 (en) 1987-12-17 1987-12-17 Duty ratio controller

Country Status (1)

Country Link
JP (1) JPH0723033Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0555407U (en) * 1991-12-26 1993-07-23 日本精機株式会社 Luminance control circuit for light emitter
JP2005297818A (en) * 2004-04-13 2005-10-27 Omron Corp Illumination control device and breakdown detection device
JP2011193651A (en) * 2010-03-15 2011-09-29 Jimbo Electric Co Ltd Two-wire dc power distribution system and two-wire dimmer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5970193A (en) * 1982-10-13 1984-04-20 Yaskawa Electric Mfg Co Ltd Controller for motor by width modulation pulse

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5970193A (en) * 1982-10-13 1984-04-20 Yaskawa Electric Mfg Co Ltd Controller for motor by width modulation pulse

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0555407U (en) * 1991-12-26 1993-07-23 日本精機株式会社 Luminance control circuit for light emitter
JP2005297818A (en) * 2004-04-13 2005-10-27 Omron Corp Illumination control device and breakdown detection device
JP2011193651A (en) * 2010-03-15 2011-09-29 Jimbo Electric Co Ltd Two-wire dc power distribution system and two-wire dimmer

Also Published As

Publication number Publication date
JPH0723033Y2 (en) 1995-05-24

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