LU65209A1 - - Google Patents

Info

Publication number
LU65209A1
LU65209A1 LU65209DA LU65209A1 LU 65209 A1 LU65209 A1 LU 65209A1 LU 65209D A LU65209D A LU 65209DA LU 65209 A1 LU65209 A1 LU 65209A1
Authority
LU
Luxembourg
Application number
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
Publication of LU65209A1 publication Critical patent/LU65209A1/xx

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)
LU65209D 1971-04-23 1972-04-21 LU65209A1 (enrdf_load_stackoverflow)

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
LU65209A1 true LU65209A1 (enrdf_load_stackoverflow) 1972-07-13

Family

ID=5805699

Family Applications (1)

Application Number Title Priority Date Filing Date
LU65209D LU65209A1 (enrdf_load_stackoverflow) 1971-04-23 1972-04-21

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)

Families Citing this family (4)

* 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
US4337640A (en) 1979-04-10 1982-07-06 Nissan Motor Co., Ltd. Knocking sensor
DE2937922A1 (de) * 1979-09-19 1981-04-09 Siemens AG, 1000 Berlin und 8000 München Piezoelektrischer wandler
JP6156387B2 (ja) * 2012-10-15 2017-07-05 日本電気株式会社 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

Also Published As

Publication number Publication date
IT1018506B (it) 1977-10-20
DE2119911A1 (de) 1972-11-02
ZA722575B (en) 1973-01-31
FR2134023B2 (enrdf_load_stackoverflow) 1978-03-03
BG20417A4 (bg) 1975-11-05
FR2134023A2 (enrdf_load_stackoverflow) 1972-12-01
DE2119911B2 (de) 1973-11-15
GB1350023A (en) 1974-04-18
SE367752B (enrdf_load_stackoverflow) 1974-06-04
US3798392A (en) 1974-03-19
BE782498R (fr) 1972-10-23

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