FR1085765A - Transmetteur piézo-électrique - Google Patents

Transmetteur piézo-électrique

Info

Publication number
FR1085765A
FR1085765A FR1085765DA FR1085765A FR 1085765 A FR1085765 A FR 1085765A FR 1085765D A FR1085765D A FR 1085765DA FR 1085765 A FR1085765 A FR 1085765A
Authority
FR
France
Prior art keywords
piezoelectric transmitter
piezoelectric
transmitter
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)
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.)
AT&T Inc
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1085765A publication Critical patent/FR1085765A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR1085765D 1952-06-27 1953-04-10 Transmetteur piézo-électrique Expired FR1085765A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US730932XA 1952-06-27 1952-06-27

Publications (1)

Publication Number Publication Date
FR1085765A true FR1085765A (fr) 1955-02-07

Family

ID=22111684

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1085765D Expired FR1085765A (fr) 1952-06-27 1953-04-10 Transmetteur piézo-électrique

Country Status (2)

Country Link
FR (1) FR1085765A (fr)
GB (1) GB730932A (fr)

Also Published As

Publication number Publication date
GB730932A (en) 1955-06-01

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