CA955678A - Sound generator - Google Patents

Sound generator

Info

Publication number
CA955678A
CA955678A CA123,568A CA123568A CA955678A CA 955678 A CA955678 A CA 955678A CA 123568 A CA123568 A CA 123568A CA 955678 A CA955678 A CA 955678A
Authority
CA
Canada
Prior art keywords
sound generator
sound
generator
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
CA123,568A
Other languages
English (en)
Other versions
CA123568S (en
Inventor
Hayao Yamada
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.)
Nittan Co Ltd
Original Assignee
Nittan 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
Priority claimed from JP3042671U external-priority patent/JPS4731073U/ja
Priority claimed from JP3042571U external-priority patent/JPS4731072U/ja
Application filed by Nittan Co Ltd filed Critical Nittan Co Ltd
Application granted granted Critical
Publication of CA955678A publication Critical patent/CA955678A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
CA123,568A 1970-09-29 1971-09-23 Sound generator Expired CA955678A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9591970 1970-09-29
JP3042671U JPS4731073U (enExample) 1971-04-21 1971-04-21
JP3042571U JPS4731072U (enExample) 1971-04-21 1971-04-21

Publications (1)

Publication Number Publication Date
CA955678A true CA955678A (en) 1974-10-01

Family

ID=27286959

Family Applications (1)

Application Number Title Priority Date Filing Date
CA123,568A Expired CA955678A (en) 1970-09-29 1971-09-23 Sound generator

Country Status (4)

Country Link
CA (1) CA955678A (enExample)
DE (1) DE2145236A1 (enExample)
FR (1) FR2108626A5 (enExample)
GB (1) GB1310853A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3012038C2 (de) * 1980-03-28 1982-08-19 Honeywell-Elac-Nautik Gmbh, 2300 Kiel Elektroakustischer Wasserschallwandler
EP0051832B1 (en) * 1980-11-07 1985-02-27 Hitachi, Ltd. Piezoelectric ceramic transducer
US8179024B2 (en) 2007-06-01 2012-05-15 Axsensor Ab Piezoelectric transducer device
RU2746715C1 (ru) * 2020-08-14 2021-04-19 Общество С Ограниченной Ответственностью "Синеморе" Плоский низкочастотный громкоговоритель

Also Published As

Publication number Publication date
AU3350771A (en) 1973-03-22
GB1310853A (en) 1973-03-21
FR2108626A5 (enExample) 1972-05-19
DE2145236A1 (de) 1972-03-30

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