JPS49133017A - - Google Patents

Info

Publication number
JPS49133017A
JPS49133017A JP11466672A JP11466672A JPS49133017A JP S49133017 A JPS49133017 A JP S49133017A JP 11466672 A JP11466672 A JP 11466672A JP 11466672 A JP11466672 A JP 11466672A JP S49133017 A JPS49133017 A JP S49133017A
Authority
JP
Japan
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.)
Pending
Application number
JP11466672A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP11466672A priority Critical patent/JPS49133017A/ja
Priority to FR7340721A priority patent/FR2207340B1/fr
Priority to DE19732357154 priority patent/DE2357154A1/en
Publication of JPS49133017A publication Critical patent/JPS49133017A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
    • H01F29/12—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable coil, winding, or part thereof; having movable shield
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/02—Audio-frequency transformers or mutual inductances, i.e. not suitable for handling frequencies considerably beyond the audio range
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
    • H01F29/10—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable part of magnetic circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Inverter Devices (AREA)
  • Transducers For Ultrasonic Waves (AREA)
JP11466672A 1972-11-17 1972-11-17 Pending JPS49133017A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP11466672A JPS49133017A (en) 1972-11-17 1972-11-17
FR7340721A FR2207340B1 (en) 1972-11-17 1973-11-15
DE19732357154 DE2357154A1 (en) 1972-11-17 1973-11-15 METHOD AND DEVICE FOR LOAD IMPEDANCE ADAPTATION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11466672A JPS49133017A (en) 1972-11-17 1972-11-17

Publications (1)

Publication Number Publication Date
JPS49133017A true JPS49133017A (en) 1974-12-20

Family

ID=14643532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11466672A Pending JPS49133017A (en) 1972-11-17 1972-11-17

Country Status (3)

Country Link
JP (1) JPS49133017A (en)
DE (1) DE2357154A1 (en)
FR (1) FR2207340B1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56102198A (en) * 1980-01-19 1981-08-15 Toray Ind Inc Ultrasonic wave transducer
JPS58119297U (en) * 1982-02-04 1983-08-13 東レ株式会社 Ultrasonic transducer using polymer piezoelectric film
JPS58119298U (en) * 1982-02-04 1983-08-13 東レ株式会社 Ultrasonic transducer using polymer piezoelectric film
JPS58119299U (en) * 1982-02-04 1983-08-13 東レ株式会社 Ultrasonic transducer using polymer piezoelectric film
JPS622869A (en) * 1985-06-26 1987-01-08 Matsushita Electric Ind Co Ltd Supersonic motor drive device
JPH0243892A (en) * 1988-08-03 1990-02-14 Ito Chiyoutanpa Kk Power supply device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3925359C1 (en) * 1989-07-31 1991-02-07 Degussa Ag, 6000 Frankfurt, De
DE102012106382A1 (en) 2012-07-16 2014-01-16 Herrmann Ultraschalltechnik Gmbh & Co. Kg output stage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1083814A (en) * 1953-09-18 1955-01-12 Impedance matching method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56102198A (en) * 1980-01-19 1981-08-15 Toray Ind Inc Ultrasonic wave transducer
JPS58119297U (en) * 1982-02-04 1983-08-13 東レ株式会社 Ultrasonic transducer using polymer piezoelectric film
JPS58119298U (en) * 1982-02-04 1983-08-13 東レ株式会社 Ultrasonic transducer using polymer piezoelectric film
JPS58119299U (en) * 1982-02-04 1983-08-13 東レ株式会社 Ultrasonic transducer using polymer piezoelectric film
JPS622869A (en) * 1985-06-26 1987-01-08 Matsushita Electric Ind Co Ltd Supersonic motor drive device
JPH0243892A (en) * 1988-08-03 1990-02-14 Ito Chiyoutanpa Kk Power supply device

Also Published As

Publication number Publication date
DE2357154A1 (en) 1974-05-22
FR2207340A1 (en) 1974-06-14
FR2207340B1 (en) 1977-06-03

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