FR1420683A - Electro-acoustic transducer - Google Patents

Electro-acoustic transducer

Info

Publication number
FR1420683A
FR1420683A FR998169A FR998169A FR1420683A FR 1420683 A FR1420683 A FR 1420683A FR 998169 A FR998169 A FR 998169A FR 998169 A FR998169 A FR 998169A FR 1420683 A FR1420683 A FR 1420683A
Authority
FR
France
Prior art keywords
electro
acoustic transducer
acoustic
transducer
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
FR998169A
Other languages
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 DED43175A external-priority patent/DE1197510B/en
Application filed by Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Priority to FR998169A priority Critical patent/FR1420683A/en
Application granted granted Critical
Publication of FR1420683A publication Critical patent/FR1420683A/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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/006—Transducers other than those covered by groups H04R9/00 - H04R21/00 using solid state devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Ceramic Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
FR998169A 1963-12-14 1964-12-10 Electro-acoustic transducer Expired FR1420683A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR998169A FR1420683A (en) 1963-12-14 1964-12-10 Electro-acoustic transducer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DED43175A DE1197510B (en) 1963-12-14 1963-12-14 Electroacoustic transducer on a semiconductor basis
FR998169A FR1420683A (en) 1963-12-14 1964-12-10 Electro-acoustic transducer

Publications (1)

Publication Number Publication Date
FR1420683A true FR1420683A (en) 1965-12-10

Family

ID=25971791

Family Applications (1)

Application Number Title Priority Date Filing Date
FR998169A Expired FR1420683A (en) 1963-12-14 1964-12-10 Electro-acoustic transducer

Country Status (1)

Country Link
FR (1) FR1420683A (en)

Similar Documents

Publication Publication Date Title
CH458447A (en) Electro-acoustic transducer
FR1380614A (en) Small size electro-acoustic transducer
FR1522700A (en) Piezoelectric transducer
AT269514B (en) Piezoelectric transducer
AT247437B (en) speaker
FR1389670A (en) Electro-acoustic transducer of the electrostatic type
AT259044B (en) Electrodynamic sound transducer
AT248151B (en) Piezoelectric transducer
AT251915B (en) Ferroelectric transducer
FR1341920A (en) Electro-acoustic transducer
AT248737B (en) Piezoelectric transducer
FR1354631A (en) Electroacoustic transducer
AT244406B (en) Blocking transducer
FR1425383A (en) Underwater electro-acoustic transducer
AT235918B (en) Electroacoustic converter
CH407233A (en) Electroacoustic converter
CH396100A (en) Electro-acoustic transducer
FR1428916A (en) Electroacoustic transducer
FR1376306A (en) Improvements to electro-acoustic transducers
FR1350216A (en) Transducer
FR1315545A (en) Electroacoustic transducer
FR1420683A (en) Electro-acoustic transducer
FR1371424A (en) Electro-acoustic transducer
FR1379308A (en) Electro-acoustic transducers
AT275192B (en) Piezoelectric transducer