[특허]Electronic ballast unit with integral light sensor and circuit

[미국특허] Electronic ballast unit with integral light sensor and circuit 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H05B-041/36
출원번호	US-0940600 (1986-12-11)
발명자 / 주소	Nilssen Ole K. (Caesar Dr. Rt. 5 Barrington IL 60010)
인용정보	피인용 횟수 : 29 인용 특허 : 11

초록 ▼

An electronic ballast powers fluorescent lamps in a lighting fixture with a current of magnitude related to the frequency of the ballast output voltage. The ballast comprises self-oscillating inverter means wherein the frequency of oscillation can be influenced by receipt of a control signal at a control input connected in circuit with the inverter\s positive feedback circuit. The ballast also comprises optical sensor means so positioned and constituted as to sense the light level within the lighting fixture and to provide a control signal commensurate with the light level. This control signal is then applied to the control input in such manner as to regulate the inverter frequency as a function of the light level, thereby correspondingly to regulate the magnitude of the current fed to the fluorescent lamps. By providing a threshold means in combination with high gain in the control loop, the fixture light level may be accurately maintained at any desired value substantially regardless of any changes in magnitude of power line voltage and/or in lamp efficacies.

대표청구항 ▼

The combinations of: housing means having an outer surface; ballast circuit means comprised within the housing means, the ballast circuit means: (i) being connectable with a source of electric power, (ii) having control terminal means, and (iii) being operable in a substantially non-dissipative manner to provide an output current at a ballast output, the output current having a magnitude affected by a control input provided to the control terminal means; and light sensor means connected with the control terminal means and operative, in response to receiving a flux of illumination, to provide said control input, the light sensor means being comprised substantially within said outer surface; the housing means, the ballast circuit means, and the light sensor means being combined and integrate in such manner as to constitute an integral ballast suitable for use in a lighting fixture for powering a gas discharge lamp.

이 특허에 인용된 특허 (11) 인용/피인용 타임라인 분석

Taylor Mark O. (20811 Marine View Dr. ; S.W. Seattle WA 98166), Automatic indoor lamp unit.
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Spira Joel S. (Coopersburg PA) Luchaco David G. (Macungie PA) Capewell Dennis (Easton PA), Gas discharge lamp control.
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Fujimura Takashi (Mobara JPX) Kato Kazuo (Kitahassakumachi JPX), Light quantity control device.
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Schwartz Frederic W. (Providence RI), Light sensitive electrical device.
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Northrup Karl A. (Rochester NY) Hammond Thomas J. (Penfield NY), Mechanism and method for controlling the temperature and light output of a fluorescent lamp.
상세보기
Northrup Karl A. (Rochester NY), Mechanism and method for controlling the temperature and output of a fluorescent lamp.
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Tamura Akihiko (Tokyo JPX) Shukuri Katsuhiro (Tokyo JPX) Kawamoto Kiyoaki (Tokyo JPX) Iwahashi Haruo (Tokyo JPX), Method and apparatus for controlling luminous intensity of fluorescent lamp of reproducing apparatus.
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Kane John F. (Lancaster PA), Pulse width modulated dimming arrangement for fluorescent lamps.
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Schwartz Frederic W. (Providence RI), Refractor for electric light wall unit.
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Spira Joel S. (Allentown PA) Capewell Dennis (Easton PA) Luchaco David G. (Macungie PA), System for energizing and dimming gas discharge lamps.
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Gibbs Thomas J. (Pomona CA) Finley Richard L. (Placentia CA) Canavan Michael G. (Highland CA), Timed auxiliary power adapter.
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이 특허를 인용한 특허 (29) 인용/피인용 타임라인 분석

Blake,Frederick H., Anti-cycling control system for luminaires.
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Blake,Frederick H., Anti-cycling control system for luminaires.
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Petrozello James R. ; Chapin Fletcher W. ; Dranchak David W. ; Murcko Robert M. ; Knauss Scott W. ; Katyl Robert H. ; Susko John R., Ballast fixture for fluorescent lighting.
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Veskovic, Dragan; Anselmo, Robert; Cash, Audwin W.; Skvoretz, Matthew A., Default configuration for a lighting control system.
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Szuba Stefan F. (Park Ridge IL), Dimmer control circuit.
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Veskovic, Dragan; Anselmo, Robert; Cash, Audwin W.; Skvoretz, Matthew A., Distributed intelligence ballast system.
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Veskovic, Dragan; Anselmo, Robert; Cash, Audwin W.; Skvoretz, Matthew A., Distributed intelligence ballast system.
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Veskovic,Dragan; Anselmo,Robert; Cash,Audwin W.; Skvoretz,Matthew A., Distributed intelligence ballast system and extended lighting control protocol.
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Brown Craig, Dynamic range dimmer for gas discharge lamps.
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Luger Siegfried,ATX ; Trostl Alfred,ATX ; Sohnel Christian,ATX, Electronic ballast.
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Davis, Gregory; Shloush, Moshe, Fast reignition of a high intensity discharge lamp.
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Martich Mark E. ; Beling Thomas E. ; Ossenmacher John M., Fluorescent lamp apparatus with integral dimming control.
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Nalbant, Mehmet, High current fast rise and fall time LED driver.
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LoCascio James J. (San Jose CA) Mader Urs Harald (Santa Clara CA), Lamp out detection for miniature cold cathode fluorescent lamp system.
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Adamson Hugh Patrick ; Langer George O., Light sensing dimming control system for gas discharge lamps.
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Shloush, Moshe; Davis, Gregory, Lighting control system and method.
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Shloush, Moshe; Davis, Gregory, Lighting control system and method.
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Erickson, James A.; Gruenewald, Mark B.; Hirschbach, Kipton P., Method and apparatus for dimming control of electronic ballasts.
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Mader Urs H., Method and circuit for forming pulses centered about zero crossings of a sinusoid.
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Szuba Stefan F. (Park Ridge IL), Method for controlling fluorescent lamp dimmers and circuit for providing such control.
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Veskovic, Dragan; Anselmo, Robert A.; Taipale, Mark; Skvoretz, Matthew; Spira, Joel S., Multiple-input electronic ballast with processor.
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Veskovic, Dragon; Anselmo, Robert A.; Taipale, Mark A.; Skvoretz, Matthew; Spira, Joel S., Multiple-input electronic ballast with processor.
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Mader Urs H., Technique for controlling the slope of a periodic waveform.
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Mader Urs H., Transformer primary side lamp current sense circuit.
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Bishop James G., Universal arc-discharge lamp systems.
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Jeffrey Hwang ; Calvin Hsu, Universal pulse width modulating power converter.
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Jeffrey Hwang ; Calvin Hsu, Universal pulse width modulating power converter.
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Gross, Clifford; Cooper, Patricia, Video terminal accessory.
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Mader Urs H., Zener diode power dissipation limiting circuit.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Electronic ballast unit with integral light sensor and circuit 원문보기