GB1500398A - Electro-acoustic transducer diaphragms - Google Patents

Electro-acoustic transducer diaphragms

Info

Publication number
GB1500398A
GB1500398A GB29501/75A GB2950175A GB1500398A GB 1500398 A GB1500398 A GB 1500398A GB 29501/75 A GB29501/75 A GB 29501/75A GB 2950175 A GB2950175 A GB 2950175A GB 1500398 A GB1500398 A GB 1500398A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
metal
frame
frames
heating
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
GB29501/75A
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of GB1500398A publication Critical patent/GB1500398A/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
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006—Interconnection of transducer parts
    • 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
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/029—Diaphragms comprising fibres
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49226—Electret making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4957—Sound device making
    • Y10T29/49575—Sound device making including diaphragm or support therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Multimedia (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB29501/75A 1974-07-16 1975-07-14 Electro-acoustic transducer diaphragms Expired GB1500398A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49081499A JPS5110924A (enExample) 1974-07-16 1974-07-16

Publications (1)

Publication Number Publication Date
GB1500398A true GB1500398A (en) 1978-02-08

Family

ID=13748057

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29501/75A Expired GB1500398A (en) 1974-07-16 1975-07-14 Electro-acoustic transducer diaphragms

Country Status (8)

Country Link
US (1) US4042438A (enExample)
JP (1) JPS5110924A (enExample)
AU (1) AU498312B2 (enExample)
CA (1) CA1031938A (enExample)
DE (1) DE2531585A1 (enExample)
FR (1) FR2279298A1 (enExample)
GB (1) GB1500398A (enExample)
NL (1) NL7508526A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984001683A1 (en) * 1982-10-08 1984-04-26 Niels Martin Jensen Diaphragm stretching apparatus

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249043A (en) * 1977-12-02 1981-02-03 The Post Office Electret transducer backplate, electret transducer and method of making an electret transducer
JPS5899099A (ja) * 1981-12-08 1983-06-13 Matsushita Electric Ind Co Ltd 振動板ユニツトの製造方法
JPS58102933U (ja) * 1981-12-26 1983-07-13 ユニオン商事株式会社 燃焼装置
US4568414A (en) * 1984-09-21 1986-02-04 At&T Technologies, Inc. Methods and apparatus for tensioning sheet material
JP2548122B2 (ja) * 1985-07-19 1996-10-30 松下電器産業株式会社 符号化装置
EP0305540B1 (en) * 1987-03-04 1994-11-23 Hosiden Corporation Diaphragm unit of a condenser microphone, a method of fabricating the same, and a condenser microphone
US5038459A (en) * 1987-03-04 1991-08-13 Hosiden Electronics Co., Ltd. Method of fabricating the diaphragm unit of a condenser microphone by electron beam welding
US5206557A (en) * 1990-11-27 1993-04-27 Mcnc Microelectromechanical transducer and fabrication method
US5479061A (en) * 1992-12-31 1995-12-26 University Of North Carolina Pleated sheet microelectromechanical transducer
DK0656738T3 (da) * 1993-12-03 1998-02-09 Harman Int Ind Fremgangsmåde til fremstilling af højttalere
US8559660B2 (en) * 2007-07-12 2013-10-15 Industrial Technology Research Institute Electrostatic electroacoustic transducers
US8300858B2 (en) * 2007-09-27 2012-10-30 Yamaha Corporation Electrostatic speaker
TWI378733B (en) * 2008-10-27 2012-12-01 Htc Corp Method for manufacturing electret diaphragm
WO2011025939A1 (en) * 2009-08-28 2011-03-03 Analog Devices, Inc. Dual single-crystal backplate microphone system and method of fabricating same
CN108989959B (zh) * 2018-08-09 2020-11-10 京东方科技集团股份有限公司 驻极体麦克风及其制造方法、显示装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1972345A (en) * 1933-01-31 1934-09-04 Jensen Jack Cone housing
US2998343A (en) * 1958-01-02 1961-08-29 Gen Motors Corp Process for making a hydraulic diaphragm
DE1171960B (de) * 1961-07-08 1964-06-11 Schall Technik Dr Ing Karl Sch Kondensatormikrophon mit mehreren wahlweise einstellbaren Richtcharakteristiken
US3159719A (en) * 1961-11-13 1964-12-01 Beltone Electronics Corp Electroacoustic transducers
USRE28420E (en) 1967-05-15 1975-05-13 Blbctret acoustic transducer
US3563828A (en) * 1968-06-14 1971-02-16 Dennis A G Marshall Fluid filters
GB1302590A (enExample) * 1969-09-10 1973-01-10
US3749621A (en) * 1971-06-09 1973-07-31 Fluorodynamics Inc Securing and/or forming of coverings and the like of tetrafluorinated ethylene and fluorinated ethylene polymers
US3845544A (en) * 1972-09-20 1974-11-05 M Nurminen Method of producing a light room element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984001683A1 (en) * 1982-10-08 1984-04-26 Niels Martin Jensen Diaphragm stretching apparatus

Also Published As

Publication number Publication date
CA1031938A (en) 1978-05-30
NL7508526A (nl) 1976-01-20
DE2531585A1 (de) 1976-02-05
FR2279298A1 (fr) 1976-02-13
AU8294875A (en) 1977-01-13
JPS5110924A (enExample) 1976-01-28
AU498312B2 (en) 1979-03-01
US4042438A (en) 1977-08-16
FR2279298B1 (enExample) 1982-04-16

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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