FR2301987B1 - - Google Patents

Info

Publication number
FR2301987B1
FR2301987B1 FR7603864A FR7603864A FR2301987B1 FR 2301987 B1 FR2301987 B1 FR 2301987B1 FR 7603864 A FR7603864 A FR 7603864A FR 7603864 A FR7603864 A FR 7603864A FR 2301987 B1 FR2301987 B1 FR 2301987B1
Authority
FR
France
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
FR7603864A
Other versions
FR2301987A1 (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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2301987A1 publication Critical patent/FR2301987A1/fr
Application granted granted Critical
Publication of FR2301987B1 publication Critical patent/FR2301987B1/fr
Granted 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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/24—Tensioning by means acting directly on free portions of diaphragm or cone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR7603864A 1975-02-18 1976-02-12 Transducteur electro-acoustique a diaphragme Granted FR2301987A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/550,534 US3958662A (en) 1975-02-18 1975-02-18 Tensioned diaphragm mounting for an electroacoustic transducer

Publications (2)

Publication Number Publication Date
FR2301987A1 FR2301987A1 (fr) 1976-09-17
FR2301987B1 true FR2301987B1 (fr) 1981-04-30

Family

ID=24197576

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7603864A Granted FR2301987A1 (fr) 1975-02-18 1976-02-12 Transducteur electro-acoustique a diaphragme

Country Status (11)

Country Link
US (1) US3958662A (fr)
JP (1) JPS51107126A (fr)
BE (1) BE838621A (fr)
CA (1) CA1056493A (fr)
CH (1) CH607525A5 (fr)
DE (1) DE2603691A1 (fr)
ES (1) ES445279A1 (fr)
FR (1) FR2301987A1 (fr)
GB (1) GB1525154A (fr)
IT (1) IT1057208B (fr)
SE (1) SE404284B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081626A (en) * 1976-11-12 1978-03-28 Polaroid Corporation Electrostatic transducer having narrowed directional characteristic
AT351783B (de) * 1976-12-20 1979-08-10 Akg Akustische Kino Geraete Ultraschallwandler
US4085297A (en) * 1977-06-13 1978-04-18 Polaroid Corporation Spring force biasing means for electroacoustical transducer components
JPS5846800A (ja) * 1981-09-14 1983-03-18 Matsushita Electric Works Ltd 静電型超音波振動子
US4891843A (en) * 1983-02-24 1990-01-02 At&T Technologies, Inc. Electret microphone
US4704556A (en) * 1983-12-05 1987-11-03 Leslie Kay Transducers
WO1988006832A1 (fr) * 1987-03-04 1988-09-07 Hosiden Electronics Co., Ltd. Unite de diaphragame d'un microphone a condensateur, procede de production, et microphone a condensateur
US20100276194A1 (en) * 2009-04-30 2010-11-04 Honeywell International Inc. Thin walled inertial measurement unit (imu) packaging jacket with integral flexible flange

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2086107A (en) * 1934-05-14 1937-07-06 Theodore R Wilson Condenser microphone
US3663768A (en) * 1971-01-15 1972-05-16 Northern Electric Co Electret transducer
US3816671A (en) * 1972-04-06 1974-06-11 Thermo Electron Corp Electret transducer cartridge and case
US3814864A (en) * 1972-07-14 1974-06-04 J Victoreen Condenser microphone having a plurality of discrete vibratory surfaces

Also Published As

Publication number Publication date
CA1056493A (fr) 1979-06-12
CH607525A5 (fr) 1978-12-29
JPS51107126A (fr) 1976-09-22
IT1057208B (it) 1982-03-10
ES445279A1 (es) 1977-06-01
GB1525154A (en) 1978-09-20
SE404284B (sv) 1978-09-25
SE7601280L (sv) 1976-08-19
FR2301987A1 (fr) 1976-09-17
DE2603691A1 (de) 1976-08-26
US3958662A (en) 1976-05-25
BE838621A (fr) 1976-06-16

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Legal Events

Date Code Title Description
ST Notification of lapse