JPS6135914B2 - - Google Patents

Info

Publication number
JPS6135914B2
JPS6135914B2 JP3677979A JP3677979A JPS6135914B2 JP S6135914 B2 JPS6135914 B2 JP S6135914B2 JP 3677979 A JP3677979 A JP 3677979A JP 3677979 A JP3677979 A JP 3677979A JP S6135914 B2 JPS6135914 B2 JP S6135914B2
Authority
JP
Japan
Prior art keywords
vibrators
vibrator
impedance
circumferential side
diaphragm
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.)
Expired
Application number
JP3677979A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55128999A (en
Inventor
Kozo Okada
Kanji Ooya
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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug 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 NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Priority to JP3677979A priority Critical patent/JPS55128999A/ja
Publication of JPS55128999A publication Critical patent/JPS55128999A/ja
Publication of JPS6135914B2 publication Critical patent/JPS6135914B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
JP3677979A 1979-03-28 1979-03-28 Ultrasonic processor Granted JPS55128999A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3677979A JPS55128999A (en) 1979-03-28 1979-03-28 Ultrasonic processor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3677979A JPS55128999A (en) 1979-03-28 1979-03-28 Ultrasonic processor

Publications (2)

Publication Number Publication Date
JPS55128999A JPS55128999A (en) 1980-10-06
JPS6135914B2 true JPS6135914B2 (pm) 1986-08-15

Family

ID=12479252

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3677979A Granted JPS55128999A (en) 1979-03-28 1979-03-28 Ultrasonic processor

Country Status (1)

Country Link
JP (1) JPS55128999A (pm)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518889A (en) * 1982-09-22 1985-05-21 North American Philips Corporation Piezoelectric apodized ultrasound transducers
CA2081485A1 (en) * 1992-10-27 1994-04-28 Harry Brazil Acoustical broom
US5834877A (en) * 1995-08-28 1998-11-10 Accuweb, Inc. Ultrasonic transducer units for web detection and the like

Also Published As

Publication number Publication date
JPS55128999A (en) 1980-10-06

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