GB1402352A - Electroacoustic transducers - Google Patents

Electroacoustic transducers

Info

Publication number
GB1402352A
GB1402352A GB146973A GB146973A GB1402352A GB 1402352 A GB1402352 A GB 1402352A GB 146973 A GB146973 A GB 146973A GB 146973 A GB146973 A GB 146973A GB 1402352 A GB1402352 A GB 1402352A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
frequency
piezoelectric
jan
compensate
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
GB146973A
Other languages
English (en)
Inventor
O Brunnert
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 Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of GB1402352A publication Critical patent/GB1402352A/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
    • H04R17/02—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GB146973A 1972-01-18 1973-01-11 Electroacoustic transducers Expired GB1402352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2202254 1972-01-18

Publications (1)

Publication Number Publication Date
GB1402352A true GB1402352A (en) 1975-08-06

Family

ID=5833327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB146973A Expired GB1402352A (en) 1972-01-18 1973-01-11 Electroacoustic transducers

Country Status (5)

Country Link
DE (1) DE2202254C2 (enrdf_load_stackoverflow)
FR (1) FR2168396B1 (enrdf_load_stackoverflow)
GB (1) GB1402352A (enrdf_load_stackoverflow)
IT (1) IT978221B (enrdf_load_stackoverflow)
SE (1) SE377261B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8072119B2 (en) 2007-01-23 2011-12-06 Epcos Ag Piezoelectric component

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2831377A1 (de) * 1978-07-17 1980-01-31 Siemens Ag Elektroakustischer wandler
US4228379A (en) * 1978-08-28 1980-10-14 American District Telegraph Company Diaphragm type piezoelectric electroacoustic transducer
US4337640A (en) * 1979-04-10 1982-07-06 Nissan Motor Co., Ltd. Knocking sensor
DE3041742C2 (de) * 1980-11-05 1982-10-28 Siemens AG, 1000 Berlin und 8000 München Luftschallgeber
DE102011005249B4 (de) * 2011-03-08 2013-03-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Wandlung mechanischer Energie in elektrische Energie und Verfahren zu ihrer Herstellung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1072621A (fr) * 1953-01-09 1954-09-14 Sodet Microphone
US2836738A (en) * 1956-05-02 1958-05-27 Joseph W Crownover Prestressed piezo crystal
DE1165667B (de) * 1962-06-28 1964-03-19 Siemens Ag Piezoelektrischer Biegeschwinger
GB1159337A (en) * 1966-06-13 1969-07-23 Motorola Inc Piezoelectric Transducers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8072119B2 (en) 2007-01-23 2011-12-06 Epcos Ag Piezoelectric component

Also Published As

Publication number Publication date
FR2168396B1 (enrdf_load_stackoverflow) 1979-01-26
DE2202254C2 (de) 1974-01-24
IT978221B (it) 1974-09-20
SE377261B (enrdf_load_stackoverflow) 1975-06-23
FR2168396A1 (enrdf_load_stackoverflow) 1973-08-31
DE2202254B1 (de) 1973-06-20

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee