JPS5220851B1 - - Google Patents

Info

Publication number
JPS5220851B1
JPS5220851B1 JP44099939A JP9993969A JPS5220851B1 JP S5220851 B1 JPS5220851 B1 JP S5220851B1 JP 44099939 A JP44099939 A JP 44099939A JP 9993969 A JP9993969 A JP 9993969A JP S5220851 B1 JPS5220851 B1 JP S5220851B1
Authority
JP
Japan
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.)
Pending
Application number
JP44099939A
Other languages
Japanese (ja)
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
Priority to JP44099939A priority Critical patent/JPS5220851B1/ja
Priority to CA100,299A priority patent/CA944473A/en
Priority to FR707044528A priority patent/FR2070812B1/fr
Priority to DE19702061210 priority patent/DE2061210A1/de
Priority to US337843A priority patent/US3858307A/en
Publication of JPS5220851B1 publication Critical patent/JPS5220851B1/ja
Pending 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
    • H04R19/00—Electrostatic transducers
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • 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
    • 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
    • Y10T29/49005—Acoustic transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
JP44099939A 1969-12-11 1969-12-11 Pending JPS5220851B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP44099939A JPS5220851B1 (de) 1969-12-11 1969-12-11
CA100,299A CA944473A (en) 1969-12-11 1970-12-10 Electrostatic transducer
FR707044528A FR2070812B1 (de) 1969-12-11 1970-12-10
DE19702061210 DE2061210A1 (de) 1969-12-11 1970-12-11 Elektrostatischer Wandler
US337843A US3858307A (en) 1969-12-11 1973-03-05 Electrostatic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44099939A JPS5220851B1 (de) 1969-12-11 1969-12-11

Publications (1)

Publication Number Publication Date
JPS5220851B1 true JPS5220851B1 (de) 1977-06-07

Family

ID=14260671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP44099939A Pending JPS5220851B1 (de) 1969-12-11 1969-12-11

Country Status (5)

Country Link
US (1) US3858307A (de)
JP (1) JPS5220851B1 (de)
CA (1) CA944473A (de)
DE (1) DE2061210A1 (de)
FR (1) FR2070812B1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2330800C3 (de) * 1973-06-16 1981-10-01 Sennheiser Electronic Kg, 3002 Wedemark Elektroakustischer Wandler nach dem elektrostatischen Prinzip und Verfahren zu dessen Herstellung
US3945112A (en) * 1975-03-21 1976-03-23 Bell Telephone Laboratories, Incorporated Technique for fabrication of foil electret
JPS5918051B2 (ja) * 1976-02-29 1984-04-25 三菱油化株式会社 カテ−テル
US4062105A (en) * 1976-12-20 1977-12-13 The United States Of America As Represented By The Secretary Of The Navy Method for fabricating ferroelectric ultrasonic transducers
GB2079056B (en) * 1980-06-30 1985-04-17 Tokyo Shibaura Electric Co Electret device
FR2632737B1 (fr) * 1988-06-10 1992-12-24 Thomson Csf Procede d'obtention d'une structure generatrice d'effets electrooptiques non lineaires, structure obtenue et applications
DE4115221C2 (de) * 1991-05-10 1994-09-01 Sennheiser Electronic Elektroakustischer Wandler nach dem elektrostatischen Prinzip
WO2002073673A1 (en) * 2001-03-13 2002-09-19 Rochester Institute Of Technology A micro-electro-mechanical switch and a method of using and making thereof
WO2002097865A2 (en) * 2001-05-31 2002-12-05 Rochester Institute Of Technology Fluidic valves, agitators, and pumps and methods thereof
JP4697763B2 (ja) * 2001-07-31 2011-06-08 パナソニック株式会社 コンデンサマイクロホン
US6688179B2 (en) 2001-10-26 2004-02-10 Nth Tech Corporation Electrostatic pressure transducer and a method thereof
US7211923B2 (en) 2001-10-26 2007-05-01 Nth Tech Corporation Rotational motion based, electrostatic power source and methods thereof
US7378775B2 (en) * 2001-10-26 2008-05-27 Nth Tech Corporation Motion based, electrostatic power source and methods thereof
US7217582B2 (en) * 2003-08-29 2007-05-15 Rochester Institute Of Technology Method for non-damaging charge injection and a system thereof
US7287328B2 (en) * 2003-08-29 2007-10-30 Rochester Institute Of Technology Methods for distributed electrode injection
US8581308B2 (en) * 2004-02-19 2013-11-12 Rochester Institute Of Technology High temperature embedded charge devices and methods thereof
US20070074731A1 (en) * 2005-10-05 2007-04-05 Nth Tech Corporation Bio-implantable energy harvester systems and methods thereof
JP4810661B2 (ja) * 2006-04-27 2011-11-09 国立大学法人埼玉大学 機械電気変換素子及びその製造方法
US7876661B2 (en) * 2007-10-02 2011-01-25 Seagate Technology Llc Non-destructive readback for ferroelectric material
US20170170674A1 (en) * 2015-12-09 2017-06-15 Nth Tech Corporation Methods for trapping electrons at an interface of insulators each having an arbitrary thickness and devices thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3705312A (en) * 1970-11-02 1972-12-05 Bell Telephone Labor Inc Preparation of electret transducer elements by application of controlled breakdown electric field

Also Published As

Publication number Publication date
CA944473A (en) 1974-03-26
FR2070812B1 (de) 1974-02-15
US3858307A (en) 1975-01-07
FR2070812A1 (de) 1971-09-17
DE2061210A1 (de) 1971-06-24

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