JPS51113590A - Landupan-type vibrator - Google Patents

Landupan-type vibrator

Info

Publication number
JPS51113590A
JPS51113590A JP50037998A JP3799875A JPS51113590A JP S51113590 A JPS51113590 A JP S51113590A JP 50037998 A JP50037998 A JP 50037998A JP 3799875 A JP3799875 A JP 3799875A JP S51113590 A JPS51113590 A JP S51113590A
Authority
JP
Japan
Prior art keywords
landupan
type vibrator
8khz
efficiency
increase
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.)
Pending
Application number
JP50037998A
Other languages
Japanese (ja)
Inventor
Masashi Suzuki
Harushige Onoda
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50037998A priority Critical patent/JPS51113590A/en
Publication of JPS51113590A publication Critical patent/JPS51113590A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
    • B06B1/0611—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile
    • B06B1/0618—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile of piezo- and non-piezoelectric elements, e.g. 'Tonpilz'

Abstract

PURPOSE:To increase the efficiency of Landupan-type vibrator which transmits ultra sonic waves at low frequency (1 to 8KHz) used under water so that it may be capable of high output.
JP50037998A 1975-03-31 1975-03-31 Landupan-type vibrator Pending JPS51113590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50037998A JPS51113590A (en) 1975-03-31 1975-03-31 Landupan-type vibrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50037998A JPS51113590A (en) 1975-03-31 1975-03-31 Landupan-type vibrator

Publications (1)

Publication Number Publication Date
JPS51113590A true JPS51113590A (en) 1976-10-06

Family

ID=12513233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50037998A Pending JPS51113590A (en) 1975-03-31 1975-03-31 Landupan-type vibrator

Country Status (1)

Country Link
JP (1) JPS51113590A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2000797C2 (en) * 2007-08-07 2009-02-10 Luykx Patenten B V I O Waterproof ultrasonic transducer.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2000797C2 (en) * 2007-08-07 2009-02-10 Luykx Patenten B V I O Waterproof ultrasonic transducer.
WO2009020392A2 (en) * 2007-08-07 2009-02-12 Luykx Patenten Bv Watertight ultrasonic transducer
WO2009020392A3 (en) * 2007-08-07 2009-05-28 Luykx Patenten Bv Watertight ultrasonic transducer

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