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FR551492A - Improvements to piezoelectric devices - Google Patents

Improvements to piezoelectric devices

Info

Publication number
FR551492A
FR551492A FR551492DA FR551492A FR 551492 A FR551492 A FR 551492A FR 551492D A FR551492D A FR 551492DA FR 551492 A FR551492 A FR 551492A
Authority
FR
France
Prior art keywords
piezoelectric devices
piezoelectric
devices
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
French (fr)
Inventor
Edward Wriothesley Russell
Arthur Frederick Richmo Cotton
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 filed Critical
Application granted granted Critical
Publication of FR551492A publication Critical patent/FR551492A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR551492D 1921-06-09 1922-05-16 Improvements to piezoelectric devices Expired FR551492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1591721A GB184314A (en) 1921-06-09 1921-06-09 Improvements in piezo-electric devices

Publications (1)

Publication Number Publication Date
FR551492A true FR551492A (en) 1923-04-06

Family

ID=10067863

Family Applications (1)

Application Number Title Priority Date Filing Date
FR551492D Expired FR551492A (en) 1921-06-09 1922-05-16 Improvements to piezoelectric devices

Country Status (2)

Country Link
FR (1) FR551492A (en)
GB (1) GB184314A (en)

Also Published As

Publication number Publication date
GB184314A (en) 1922-08-17

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