[특허]Oscillator-exciting system for ultrasonic liquid nebulizer

[미국특허] Oscillator-exciting system for ultrasonic liquid nebulizer 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61H-001/00 A61M-015/00
출원번호	US-0581904 (1975-05-29)
우선권정보	JA-0063341 (1974-06-06); JA-0112568 (1974-09-30)
발명자 / 주소	Mitsui Sadao (Tokyo JA) Takahashi Minoru (Tokyo JA)
출원인 / 주소	TDK Electronics Company, Limited (Tokyo JA 03)
인용정보	피인용 횟수 : 31 인용 특허 : 0

초록 ▼

In an oscillator-exciting system for a ultrasonic liquid nebulizer, a piezo-oscillator element for nebulizing the liquid is electrically connected to a self-exciting oscillating circuit as a constituent element thereof and the circuit is oscillated at that frequency at which the electric impedance of the piezo-oscillator element is inductive. A protective transistor may be connected to a current-bias resistance of the oscillating circuit, which protective transistor may be cut off by a reed switch sensing the exhaustion of the liquid being nebulized and/or by an overcurrent sensing circuit, for ceasing the oscillation in case of liquid exhaustion and/or overcurrent.

대표청구항 ▼

An oscillator-exciting system for an ultrasonic liquid nebulizer comprising a vessel containing liquid, a power source providing an electrical potential, a piezo-oscillator element disposed in said vessel, and a self-oscillating electric circuit connected across said power source potential and a reference potential, said self-oscillating circuit having said piezo-oscillator element connected thereto as a constituent element thereof, said oscillating circuit being adapted to oscillate at that frequency in which the electric impedance of said piezo-oscillator element is inductive, so as to nebulize the liquid by the oscillation of the piezo-oscillator element, said self-oscillating circuit including an oscillating transistor and a current-bias resistance connected between a base of the transistor and said power source potential, a second transistor having a collector-emitter circuit connected in series with at least a part of said current-bias resistance, a float magnet floating on the top surface of said liquid, and a reed switch disposed at the bottom of said vessel and aligned with said float magnet so as to be actuated by said float magnet in response to a lowering of the liquid below a predetermined level, said reed switch being connected between a base of said second transistor and said reference potential.

이 특허를 인용한 특허 (31) 인용/피인용 타임라인 분석

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Crowder,Timothy M.; Hickey,Anthony J.; Boekestein,Vanessa, Apparatus, systems and related methods for dispensing and /or evaluating dry powders.
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Crowder, Timothy M.; Hickey, Anthony J.; Boekestein, Vanessa, Apparatus, systems and related methods for processing, dispensing and/or evaluatingl dry powders.
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Hickey,Anthony James; Crowder,Timothy; Warden,Jeffrey Alan; Johnson,Keith Arthur; Ketner,Mark Ennis; Fording,Jay Kinsley; Garten,Michael Duane; Riley,William Myles; Anderson,Sean Derek; Ferris,Bruce Seymour; Rockwell,Paul Gilbert, Blister packages with frames and associated methods of fabricating dry powder drug containment systems.
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Chen-Lung Huang TW; Chuang-pan Huang TW, Control system for a humidifier.
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Mitsui Sadao (Chiba JPX) Takahashi Minoru (Funabashi JPX) Watanabe Keiichi (Ichikawa JPX), Device for indicating an abnormal condition in an ultrasonic nebulizer.
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Ohba Masatoshi (Nagaokakyo JPX) Sato Ryuichi (Kyoto JPX) Taniguchi Tsutomu (Kyoto JPX), Drive circuit for a piezoelectric actuator.
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Wieser Alfred (Bad Homburg DEX), Drive circuits for ultrasonic tooth treatment transducers.
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Crowder,Timothy M.; Hickey,Anthony J., Dry powder dose filling systems and related methods.
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Crowder,Timothy M.; Hickey,Anthony J., Dry powder dose filling systems and related methods.
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Crowder, Timothy M.; Hickey, Anthony J.; Warden, Jeffrey A., Dry powder inhalers, related blister devices, and associated methods of dispensing dry powder substances and fabricating blister packages.
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Crowder, Timothy M.; Hickey, Anthony J.; Warden, Jeffrey A., Dry powder inhalers, related blister devices, and associated methods of dispensing dry powder substances and fabricating blister packages.
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Hickey,Anthony James; Crowder,Timothy; Warden,Jeffrey Alan; Johnson,Keith Arthur; Ketner,Mark Ennis; Fording,Jay Kinsley; Garten,Michael Duane; Riley,William Myles; Anderson,Sean Derek; Ferris,Bruce Seymour; Rockwell,Paul Gilbert, Dry powder inhalers, related blister package indexing and opening mechanisms, and associated methods of dispensing dry powder substances.
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Abair ; Raymond L. ; Kulish ; Jr. ; Stanley J., Hand held ultrasonic nebulizer.
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Speranza Donald (Canton MI), Low power acoustic fuel injector drive circuit.
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Verity Nigel (Dorval CAX), Method and apparatus for nebulizing a liquid.
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Embree Cecil W. (Toronto CAX), Microprocessor controlled drive circuit for a liquid nebulizer having a plurality of oscillators.
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Rubin, Darren, Nebulizer having different negative pressure threshold settings.
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Ricciardi, Jonathan J.; Ricciardi, Carl L.; Wolf, II, John D., Optimized and miniaturized aerosol generator.
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Chuang-Pan, Huang; Chen-Lung, Huang, Protective circuit for a supersonic humidifier.
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Reens, Daniel J., System and method for humidifying homes and commercial sites.
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Endo Shinichi (Chiba JPX), Ultrasonic atomizer circuit having plural oscillators.
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Modlin, Kemper O'neal; JohnNiekerk, Leo, Ultrasonic humidifier for repelling insects.
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Modlin, Kemper O'neal; JohnNiekerk, Leo, Ultrasonic humidifier for repelling insects.
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Iino, Akihiro; Kasuga, Masao, Ultrasonic motor and ultrasonic motor-equipped electronic appliance.
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Higson James R. (Santa Barbara CA) D\Alfonso David A. (Goleta CA) Walls Robert R. (Santa Barbara CA), Ultrasonic nebulizer.
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Drews Wolf-Dietrich (Lichtenfels DEX) Van Der Linden Klaus (Kronach DEX) Rttel Martin (Grub a. Forst DEX) Friedrich Jrgen (Neuensorg DEX), Ultrasonic pocket atomizer.
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Mitsui Sadao (Chiba JPX) Takahashi Minoru (Funabashi JPX) Watanabe Keiichi (Ichikawa JPX), Ultrasonic wave nebulizer driving circuit.
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Li, Yunhong; Ma, Wei, Ultrasound lens cleaner driver with frequency selectable oscillator.
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Kuwabara Yasuo (Nagoya JPX) Fujie Naofumi (Nagoya MI JPX) Saeki Takao (Farmington Hills MI), Vibratory motor.
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Huang Chuang-Pang (No. 30 ; Lane 628 ; Gong Yuan Road Tainan TWX), Water level detector and circuit for an electric humidifier.
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A	생활필수품
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[미국특허] Oscillator-exciting system for ultrasonic liquid nebulizer 원문보기