GB1350023A - Electro acoustical transducers - Google Patents

Electro acoustical transducers

Info

Publication number
GB1350023A
GB1350023A GB1556772A GB1556772A GB1350023A GB 1350023 A GB1350023 A GB 1350023A GB 1556772 A GB1556772 A GB 1556772A GB 1556772 A GB1556772 A GB 1556772A GB 1350023 A GB1350023 A GB 1350023A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
transducer
april
hollow
resilient body
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
GB1556772A
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.)
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 GB1350023A publication Critical patent/GB1350023A/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
GB1556772A 1971-04-23 1972-04-05 Electro acoustical transducers Expired GB1350023A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2119911A DE2119911B2 (de) 1971-04-23 1971-04-23 Elektroakustischer Wandler, insbe sondere Mikrofon fur Fernsprechanlagen

Publications (1)

Publication Number Publication Date
GB1350023A true GB1350023A (en) 1974-04-18

Family

ID=5805699

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1556772A Expired GB1350023A (en) 1971-04-23 1972-04-05 Electro acoustical transducers

Country Status (10)

Country Link
US (1) US3798392A (enrdf_load_stackoverflow)
BE (1) BE782498R (enrdf_load_stackoverflow)
BG (1) BG20417A4 (enrdf_load_stackoverflow)
DE (1) DE2119911B2 (enrdf_load_stackoverflow)
FR (1) FR2134023B2 (enrdf_load_stackoverflow)
GB (1) GB1350023A (enrdf_load_stackoverflow)
IT (1) IT1018506B (enrdf_load_stackoverflow)
LU (1) LU65209A1 (enrdf_load_stackoverflow)
SE (1) SE367752B (enrdf_load_stackoverflow)
ZA (1) ZA722575B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4337640A (en) 1979-04-10 1982-07-06 Nissan Motor Co., Ltd. Knocking sensor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1032479A (en) * 1974-09-16 1978-06-06 Rudolf Gorike Headphone
DE2937922A1 (de) * 1979-09-19 1981-04-09 Siemens AG, 1000 Berlin und 8000 München Piezoelektrischer wandler
WO2014061584A1 (ja) * 2012-10-15 2014-04-24 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 電気音響変換器、その製造方法、及びその電気音響変換器を用いた電子機器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE88657C (enrdf_load_stackoverflow) *
US1757938A (en) * 1925-04-13 1930-05-06 Harvey C Hayes Acoustic instrument
FR1084139A (fr) * 1952-10-06 1955-01-17 Microphone à condensateur pour réception directionnelle
US2921993A (en) * 1955-10-04 1960-01-19 Electro Voice Pressure gradient noise canceling microphone
US3206558A (en) * 1961-09-22 1965-09-14 Erie Technological Prod Inc Microphone
DE1226647B (de) * 1965-03-22 1966-10-13 Siemens Ag Elektroakustischer Wandler
BE759888A (fr) * 1969-12-05 1971-06-04 Siemens Ag Transducteur electro-acoustique, notamment microphone pour installations telephoniques

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4337640A (en) 1979-04-10 1982-07-06 Nissan Motor Co., Ltd. Knocking sensor

Also Published As

Publication number Publication date
DE2119911A1 (de) 1972-11-02
ZA722575B (en) 1973-01-31
IT1018506B (it) 1977-10-20
BE782498R (fr) 1972-10-23
BG20417A4 (bg) 1975-11-05
DE2119911B2 (de) 1973-11-15
LU65209A1 (enrdf_load_stackoverflow) 1972-07-13
SE367752B (enrdf_load_stackoverflow) 1974-06-04
FR2134023B2 (enrdf_load_stackoverflow) 1978-03-03
US3798392A (en) 1974-03-19
FR2134023A2 (enrdf_load_stackoverflow) 1972-12-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee