JPS54145031A - Ultrasonic liquid atomizer - Google Patents

Ultrasonic liquid atomizer

Info

Publication number
JPS54145031A
JPS54145031A JP5333878A JP5333878A JPS54145031A JP S54145031 A JPS54145031 A JP S54145031A JP 5333878 A JP5333878 A JP 5333878A JP 5333878 A JP5333878 A JP 5333878A JP S54145031 A JPS54145031 A JP S54145031A
Authority
JP
Japan
Prior art keywords
voltage
transistor
ultrasonic vibrator
resistance
driving
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
JP5333878A
Other languages
Japanese (ja)
Other versions
JPS5913264B2 (en
Inventor
Tetsuaki Nobue
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP5333878A priority Critical patent/JPS5913264B2/en
Publication of JPS54145031A publication Critical patent/JPS54145031A/en
Publication of JPS5913264B2 publication Critical patent/JPS5913264B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
  • Air Humidification (AREA)
  • Special Spraying Apparatus (AREA)
  • Oscillators With Electromechanical Resonators (AREA)

Abstract

PURPOSE: To atomize liquid by comparing a pulsating voltage rectified from commercial power with an output voltage of a voltage comparator, switching a driving circuit of an ultrasonic vibrator by means of the power frequency and then by keeping the mean driving current of the vibrator.
CONSTITUTION: As an ultrasonic vibrator 52 is activated by an oscillating circuit 57, a dc voltage in proportion to the driving current is produced on both ends of a resistance 40. As this end voltage rises, a collector current flows in a transistor 39 and raises the end voltage of a resistance 36. Since both ends of a resistance 27 are added with a pulsating voltage by means of a voltage comparator 58, the breaking time of a transistor 30 is reduced as the end voltage of the transistor 36 rises and accordingly the breaking time of a transistor 46 is reduced and further reduces the driving time of the ultrasonic vibrator 52 by means of the oscillating circuit. As a result, the ultrasonic vibrator is stable at the mean level of the driving current.
COPYRIGHT: (C)1979,JPO&Japio
JP5333878A 1978-05-04 1978-05-04 Ultrasonic liquid atomizer Expired JPS5913264B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5333878A JPS5913264B2 (en) 1978-05-04 1978-05-04 Ultrasonic liquid atomizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5333878A JPS5913264B2 (en) 1978-05-04 1978-05-04 Ultrasonic liquid atomizer

Publications (2)

Publication Number Publication Date
JPS54145031A true JPS54145031A (en) 1979-11-12
JPS5913264B2 JPS5913264B2 (en) 1984-03-28

Family

ID=12939959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5333878A Expired JPS5913264B2 (en) 1978-05-04 1978-05-04 Ultrasonic liquid atomizer

Country Status (1)

Country Link
JP (1) JPS5913264B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59125311A (en) * 1983-01-06 1984-07-19 Ngk Spark Plug Co Ltd Vibration atomizing device
US4641053A (en) * 1984-08-14 1987-02-03 Matsushita Seiko Co., Ltd. Ultrasonic liquid atomizer with an improved soft start circuit
CN103084295A (en) * 2011-11-04 2013-05-08 周霆 Driving method and driving circuit of ultrasonic atomizer transduction piece

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3413959B1 (en) * 2016-02-08 2020-06-17 Koninklijke Philips N.V. An aerosol generator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59125311A (en) * 1983-01-06 1984-07-19 Ngk Spark Plug Co Ltd Vibration atomizing device
JPH0327810B2 (en) * 1983-01-06 1991-04-17 Ngk Spark Plug Co
US4641053A (en) * 1984-08-14 1987-02-03 Matsushita Seiko Co., Ltd. Ultrasonic liquid atomizer with an improved soft start circuit
CN103084295A (en) * 2011-11-04 2013-05-08 周霆 Driving method and driving circuit of ultrasonic atomizer transduction piece

Also Published As

Publication number Publication date
JPS5913264B2 (en) 1984-03-28

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