DE2215849C3 - Unterwasser-Schallwandler - Google Patents

Unterwasser-Schallwandler

Info

Publication number
DE2215849C3
DE2215849C3 DE2215849A DE2215849A DE2215849C3 DE 2215849 C3 DE2215849 C3 DE 2215849C3 DE 2215849 A DE2215849 A DE 2215849A DE 2215849 A DE2215849 A DE 2215849A DE 2215849 C3 DE2215849 C3 DE 2215849C3
Authority
DE
Germany
Prior art keywords
chamber
sound
resonator
channel
resonance
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
DE2215849A
Other languages
German (de)
English (en)
Other versions
DE2215849B2 (de
DE2215849A1 (de
Inventor
Osami Osaka Baba
Seisaku Kobe Bando
Heisuke Kobe Ogawa
Mitsuo Akashi Hyogo Yamamoto
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.)
Furuno Electric Co Ltd
Kawasaki Motors Ltd
Original Assignee
Furuno Electric Co Ltd
Kawasaki Jukogyo KK
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 Furuno Electric Co Ltd, Kawasaki Jukogyo KK filed Critical Furuno Electric Co Ltd
Publication of DE2215849A1 publication Critical patent/DE2215849A1/de
Publication of DE2215849B2 publication Critical patent/DE2215849B2/de
Application granted granted Critical
Publication of DE2215849C3 publication Critical patent/DE2215849C3/de
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
    • H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE2215849A 1971-04-14 1972-03-30 Unterwasser-Schallwandler Expired DE2215849C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2310771A JPS53699B1 (Direct) 1971-04-14 1971-04-14

Publications (3)

Publication Number Publication Date
DE2215849A1 DE2215849A1 (de) 1972-11-09
DE2215849B2 DE2215849B2 (de) 1974-02-21
DE2215849C3 true DE2215849C3 (de) 1974-09-26

Family

ID=12101230

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2215849A Expired DE2215849C3 (de) 1971-04-14 1972-03-30 Unterwasser-Schallwandler

Country Status (6)

Country Link
US (1) US3786407A (Direct)
JP (1) JPS53699B1 (Direct)
DE (1) DE2215849C3 (Direct)
FR (1) FR2133622B1 (Direct)
GB (1) GB1334216A (Direct)
NO (1) NO129765B (Direct)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101949732B (zh) * 2010-08-13 2011-11-09 浙江大学 用于深水声波探测的谐振腔式水听器
WO2012151696A1 (en) * 2011-05-09 2012-11-15 Ultra Electronics Maritime Systems Inc. Acoustic projector having synchronized acoustic radiators
GB2508206B (en) * 2012-11-23 2017-06-28 Thales Holdings Uk Plc A transducer for a locator beacon and an underwater locator beacon
USD807260S1 (en) * 2016-04-11 2018-01-09 Christopher Mark Young Brake conversion hub

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429104A (en) * 1943-03-27 1947-10-14 Rca Corp Signal translating apparatus
US2787671A (en) * 1952-10-06 1957-04-02 Schall Technik Dr Ing Karl Sch Microphone arrangement
US3281769A (en) * 1963-06-20 1966-10-25 Honeywell Inc Transducer apparatus

Also Published As

Publication number Publication date
JPS53699B1 (Direct) 1978-01-11
US3786407A (en) 1974-01-15
DE2215849B2 (de) 1974-02-21
DE2215849A1 (de) 1972-11-09
FR2133622A1 (Direct) 1972-12-01
GB1334216A (en) 1973-10-17
NO129765B (Direct) 1974-05-20
FR2133622B1 (Direct) 1974-07-05

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee