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
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)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP44099939A JPS5220851B1 (nl) | 1969-12-11 | 1969-12-11 | |
FR707044528A FR2070812B1 (nl) | 1969-12-11 | 1970-12-10 | |
CA100,299A CA944473A (en) | 1969-12-11 | 1970-12-10 | Electrostatic transducer |
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 (nl) | 1969-12-11 | 1969-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5220851B1 true JPS5220851B1 (nl) | 1977-06-07 |
Family
ID=14260671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP44099939A Pending JPS5220851B1 (nl) | 1969-12-11 | 1969-12-11 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3858307A (nl) |
JP (1) | JPS5220851B1 (nl) |
CA (1) | CA944473A (nl) |
DE (1) | DE2061210A1 (nl) |
FR (1) | FR2070812B1 (nl) |
Families Citing this family (20)
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 |
AU2002303933A1 (en) * | 2001-05-31 | 2002-12-09 | 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 |
US7378775B2 (en) * | 2001-10-26 | 2008-05-27 | Nth Tech Corporation | Motion based, electrostatic power source and methods thereof |
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 |
US7287328B2 (en) * | 2003-08-29 | 2007-10-30 | Rochester Institute Of Technology | Methods for distributed electrode injection |
US7217582B2 (en) | 2003-08-29 | 2007-05-15 | Rochester Institute Of Technology | Method for non-damaging charge injection and a system thereof |
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)
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 |
-
1969
- 1969-12-11 JP JP44099939A patent/JPS5220851B1/ja active Pending
-
1970
- 1970-12-10 CA CA100,299A patent/CA944473A/en not_active Expired
- 1970-12-10 FR FR707044528A patent/FR2070812B1/fr not_active Expired
- 1970-12-11 DE DE19702061210 patent/DE2061210A1/de active Pending
-
1973
- 1973-03-05 US US337843A patent/US3858307A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2070812A1 (nl) | 1971-09-17 |
FR2070812B1 (nl) | 1974-02-15 |
DE2061210A1 (de) | 1971-06-24 |
CA944473A (en) | 1974-03-26 |
US3858307A (en) | 1975-01-07 |