CH295726A - Ultrasonic generator with an electrical high frequency generator and a piezoelectric crystal element. - Google Patents

Ultrasonic generator with an electrical high frequency generator and a piezoelectric crystal element.

Info

Publication number
CH295726A
CH295726A CH295726DA CH295726A CH 295726 A CH295726 A CH 295726A CH 295726D A CH295726D A CH 295726DA CH 295726 A CH295726 A CH 295726A
Authority
CH
Switzerland
Prior art keywords
generator
high frequency
crystal element
piezoelectric crystal
electrical high
Prior art date
Application number
Other languages
German (de)
Inventor
Gmbh Dr Lehfeldt Co
Original Assignee
Lehfeldt & Co Gmbh Dr
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 Lehfeldt & Co Gmbh Dr filed Critical Lehfeldt & Co Gmbh Dr
Publication of CH295726A publication Critical patent/CH295726A/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/46—Dielectric heating
    • H05B6/48—Circuits
    • H05B6/50—Circuits for monitoring or control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/46—Dielectric heating
    • H05B6/48—Circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/40—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups with testing, calibrating, safety devices, built-in protection, construction details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70—Specific application
    • B06B2201/76—Medical, dental

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Biomedical Technology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Transformers For Measuring Instruments (AREA)
CH295726D 1949-11-02 1949-11-02 Ultrasonic generator with an electrical high frequency generator and a piezoelectric crystal element. CH295726A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH295726T 1949-11-02

Publications (1)

Publication Number Publication Date
CH295726A true CH295726A (en) 1954-01-15

Family

ID=9711820

Family Applications (1)

Application Number Title Priority Date Filing Date
CH295726D CH295726A (en) 1949-11-02 1949-11-02 Ultrasonic generator with an electrical high frequency generator and a piezoelectric crystal element.

Country Status (5)

Country Link
BE (1) BE499119A (en)
CH (1) CH295726A (en)
FR (1) FR1028161A (en)
GB (1) GB694520A (en)
NL (1) NL77978C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1030444B (en) * 1952-09-23 1958-05-22 Th Schultes Dr Ing Vibration generator with series resonance consumer
US4493062A (en) * 1983-12-12 1985-01-08 Halliburton Company Resonant frequency modification of piezoelectric transducers
US4629851A (en) * 1984-09-20 1986-12-16 Siemens Aktiengesellschaft Apparatus for heating a layer of dielectric material using radio frequency waves
JP3165701B2 (en) * 1991-03-06 2001-05-14 キヤノン株式会社 Vibration wave motor

Also Published As

Publication number Publication date
NL77978C (en) 1955-05-16
FR1028161A (en) 1953-05-20
GB694520A (en) 1953-07-22
BE499119A (en) 1951-03-01

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