FR988238A - élément convertisseur électro-mécanique de forme tubulaire - Google Patents

élément convertisseur électro-mécanique de forme tubulaire

Info

Publication number
FR988238A
FR988238A FR988238DA FR988238A FR 988238 A FR988238 A FR 988238A FR 988238D A FR988238D A FR 988238DA FR 988238 A FR988238 A FR 988238A
Authority
FR
France
Prior art keywords
converter element
mechanical converter
tubular electro
electro
tubular
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
Other languages
English (en)
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR988238A publication Critical patent/FR988238A/fr
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
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Thermistors And Varistors (AREA)
FR988238D 1948-06-12 1949-06-13 élément convertisseur électro-mécanique de forme tubulaire Expired FR988238A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32593A US2614143A (en) 1948-06-12 1948-06-12 Electromechanical transducer

Publications (1)

Publication Number Publication Date
FR988238A true FR988238A (fr) 1951-08-24

Family

ID=21865750

Family Applications (1)

Application Number Title Priority Date Filing Date
FR988238D Expired FR988238A (fr) 1948-06-12 1949-06-13 élément convertisseur électro-mécanique de forme tubulaire

Country Status (6)

Country Link
US (1) US2614143A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH279346A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE808006C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR988238A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB663423A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL86929C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955216A (en) * 1960-10-04 Reinforced hollow piezoelectric ceramic transducer structures
US2774892A (en) * 1951-05-29 1956-12-18 Bendix Aviat Corp Annular vibrator with lumped loading
GB717222A (en) * 1951-10-08 1954-10-20 Bendix Aviat Corp Improvements in or relating to transducers having an adjustable electrical impedance
DE1044478B (de) * 1952-09-19 1958-11-20 Siemens Ag Verfahren zum Betrieb eines piezoelektrischen rohrfoermigen Biegeschwingers
US2841722A (en) * 1953-03-18 1958-07-01 Clevite Corp Bending-responsive electromechanical transducer device
US2989725A (en) * 1953-06-30 1961-06-20 Harry B Miller Electroacoustic transducer
US2928069A (en) * 1954-10-13 1960-03-08 Gulton Ind Inc Transducer
US3001031A (en) * 1954-11-18 1961-09-19 Astatic Corp Self-supporting electro-mechanical transducer assembly
DE1029582B (de) * 1956-07-13 1958-05-08 Telefunken Gmbh Elektromechanischer Wandler aus piezoelektrischem, polarisiertem, keramischem Material
US3035126A (en) * 1957-12-27 1962-05-15 William W Haeffiger Transducer
NL235912A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1958-02-10
NL226065A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1958-03-20
US3377439A (en) * 1958-04-03 1968-04-09 Erie Technological Prod Inc Binaural piezoelectric pickup
DE1172442B (de) * 1958-04-14 1964-06-18 Erie Resistor Corp Schneiddose oder Tonabnehmer fuer Zweikoordinatenschrift
US3423700A (en) * 1963-04-30 1969-01-21 Clevite Corp Piezoelectric resonator
US5225731A (en) * 1991-06-13 1993-07-06 Southwest Research Institute Solid body piezoelectric bender transducer
US5408442A (en) * 1993-09-23 1995-04-18 Whitehall Corporation Hydrophone element with filter circuit
US5367499A (en) * 1993-09-23 1994-11-22 Whitehall Corporation Vibration isolation module for towed hydrophone streamer
US5583824A (en) * 1993-09-23 1996-12-10 Whitehall Corporation Telemetry data transmission circuit having selectable clock source
US5450369A (en) * 1993-09-23 1995-09-12 Whitehall Corporation Telemetry transmission protocol for towed hydrophone streamer
US5412621A (en) * 1993-09-23 1995-05-02 Whitehall Corporation Encapsulated hydrophone element for towed hydrophone array
US5523983A (en) * 1993-09-23 1996-06-04 Whitehall Corporation Dual rope vibration isolation module for towed hydrophone streamer
US5400298A (en) * 1993-09-23 1995-03-21 Whitehall Corporation Towed hydrophone streamer with distributed electronics housings
CN119680862A (zh) * 2024-08-29 2025-03-25 格润智能装备(深圳)有限公司 换能装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1746788A (en) * 1928-12-21 1930-02-11 Bell Telephone Labor Inc Piezo-electric device
US2373445A (en) * 1943-01-18 1945-04-10 Brush Dev Co Piezoelectric device
US2486560A (en) * 1946-09-20 1949-11-01 Erie Resistor Corp Transducer and method of making the same
NL81373C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1947-12-26

Also Published As

Publication number Publication date
CH279346A (de) 1951-11-30
GB663423A (en) 1951-12-19
NL86929C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE808006C (de) 1951-07-09
US2614143A (en) 1952-10-14

Similar Documents

Publication Publication Date Title
FR988238A (fr) élément convertisseur électro-mécanique de forme tubulaire
FR988239A (fr) élément convertisseur électro-mécanique de forme enroulée
FR988236A (fr) élément convertisseur électro-mécanique en forme de plaque gauchie
FR967174A (fr) élément préfabriqué en pisé
FR1039163A (fr) élément de construction en toile
FR987167A (fr) élément de construction
CH286985A (de) Galvanisches Element.
FR967968A (fr) Nouvel élément de construction
FR980087A (fr) élément de construction
FR943027A (fr) élément de hourdis
FR970893A (fr) élément de construction
FR968616A (fr) élément de plancher préfabriqué
FR929629A (fr) élément de construction
FR995291A (fr) élément de coffrage
FR991973A (fr) élément tubulaire de construction
FR944909A (fr) élément de construction
FR967057A (fr) élément de construction
FR970957A (fr) élément de construction en béton
FR1002581A (fr) élément de construction
FR978160A (fr) Mode de support d'élément surchauffeur
FR1008574A (fr) élément préfabriqué pour construction
FR948207A (fr) élément de construction
FR975333A (fr) élément préfabriqué pour la construction
FR58815E (fr) élément préfabriqué pour la construction
FR54540E (fr) élément de toiture