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DD135792A1 - POWER CIRCUIT SWITCHING FOR ULTRASONIC ALARM EQUIPMENT - Google Patents

POWER CIRCUIT SWITCHING FOR ULTRASONIC ALARM EQUIPMENT

Info

Publication number
DD135792A1
DD135792A1 DD20478378A DD20478378A DD135792A1 DD 135792 A1 DD135792 A1 DD 135792A1 DD 20478378 A DD20478378 A DD 20478378A DD 20478378 A DD20478378 A DD 20478378A DD 135792 A1 DD135792 A1 DD 135792A1
Authority
DD
German Democratic Republic
Prior art keywords
power circuit
circuit switching
alarm equipment
ultrasonic alarm
ultrasonic
Prior art date
Application number
DD20478378A
Other languages
German (de)
Inventor
Herbert Witt
Original Assignee
Herbert Witt
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 Herbert Witt filed Critical Herbert Witt
Priority to DD20478378A priority Critical patent/DD135792A1/en
Priority to DE19792902253 priority patent/DE2902253C2/en
Publication of DD135792A1 publication Critical patent/DD135792A1/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207Driving circuits
    • B06B1/0223Driving circuits for generating signals continuous in time
    • B06B1/0238Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
    • B06B1/0246Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
    • B06B1/0253Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken directly from the generator circuit
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
    • B05B17/0607Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70Specific application
    • B06B2201/77Atomizers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
DD20478378A 1978-04-14 1978-04-14 POWER CIRCUIT SWITCHING FOR ULTRASONIC ALARM EQUIPMENT DD135792A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DD20478378A DD135792A1 (en) 1978-04-14 1978-04-14 POWER CIRCUIT SWITCHING FOR ULTRASONIC ALARM EQUIPMENT
DE19792902253 DE2902253C2 (en) 1978-04-14 1979-01-20 Power oscillator circuit for ultrasonic aerosol devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD20478378A DD135792A1 (en) 1978-04-14 1978-04-14 POWER CIRCUIT SWITCHING FOR ULTRASONIC ALARM EQUIPMENT

Publications (1)

Publication Number Publication Date
DD135792A1 true DD135792A1 (en) 1979-05-23

Family

ID=5512218

Family Applications (1)

Application Number Title Priority Date Filing Date
DD20478378A DD135792A1 (en) 1978-04-14 1978-04-14 POWER CIRCUIT SWITCHING FOR ULTRASONIC ALARM EQUIPMENT

Country Status (2)

Country Link
DD (1) DD135792A1 (en)
DE (1) DE2902253C2 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2535807A1 (en) * 1975-08-11 1977-02-24 Siemens Ag Ultrasonic oscillator circuit for liquid spray - has coupling transformer between pulse circuit and piezoelectric oscillator
JPS5744398Y2 (en) * 1977-05-26 1982-09-30

Also Published As

Publication number Publication date
DE2902253C2 (en) 1983-07-28
DE2902253A1 (en) 1979-10-25

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