JPS5411867Y2 - - Google Patents
Info
- Publication number
- JPS5411867Y2 JPS5411867Y2 JP1974144045U JP14404574U JPS5411867Y2 JP S5411867 Y2 JPS5411867 Y2 JP S5411867Y2 JP 1974144045 U JP1974144045 U JP 1974144045U JP 14404574 U JP14404574 U JP 14404574U JP S5411867 Y2 JPS5411867 Y2 JP S5411867Y2
- 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.)
- Expired
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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
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- 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
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- 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
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1058—Manufacture or assembly
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- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S310/00—Electrical generator or motor structure
- Y10S310/80—Piezoelectric polymers, e.g. PVDF
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1974144045U JPS5411867Y2 (en, 2012) | 1974-11-27 | 1974-11-27 | |
US05/634,377 US4024355A (en) | 1974-11-27 | 1975-11-24 | Piezoelectric electro-acoustic transducer with non-uniform backing |
DE2553414A DE2553414C2 (de) | 1974-11-27 | 1975-11-27 | Piezoelektrischer, elektroakustischer Wandler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1974144045U JPS5411867Y2 (en, 2012) | 1974-11-27 | 1974-11-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5169841U JPS5169841U (en, 2012) | 1976-06-02 |
JPS5411867Y2 true JPS5411867Y2 (en, 2012) | 1979-05-26 |
Family
ID=15353030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1974144045U Expired JPS5411867Y2 (en, 2012) | 1974-11-27 | 1974-11-27 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4024355A (en, 2012) |
JP (1) | JPS5411867Y2 (en, 2012) |
DE (1) | DE2553414C2 (en, 2012) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4418248A (en) * | 1981-12-11 | 1983-11-29 | Koss Corporation | Dual element headphone |
DK62484D0 (da) * | 1984-02-13 | 1984-02-13 | Gnt Automatic As | Kombineret transducerenhed til mikrotelefon |
US5115472A (en) * | 1988-10-07 | 1992-05-19 | Park Kyung T | Electroacoustic novelties |
US5426719A (en) * | 1992-08-31 | 1995-06-20 | The United States Of America As Represented By The Department Of Health And Human Services | Ear based hearing protector/communication system |
US6847155B2 (en) * | 2001-04-24 | 2005-01-25 | Clemson University | Electroactive apparatus and methods |
US8715031B2 (en) * | 2009-08-06 | 2014-05-06 | Peter Sui Lun Fong | Interactive device with sound-based action synchronization |
JP6130807B2 (ja) * | 2014-03-31 | 2017-05-17 | 富士フイルム株式会社 | 電気音響変換器 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE590996C (de) * | 1932-07-20 | 1934-01-15 | Neufeldt & Kuhnke G M B H | Piezoelektrisches Kristallgebilde fuer Schallaufnahme- und Schallwiedergabevorrichtungen |
DE1902849C3 (de) * | 1968-01-25 | 1978-06-29 | Pioneer Electronic Corp., Tokio | Mechanisch-elektrisch bzw. elektrisch-mechanischer Wandler |
-
1974
- 1974-11-27 JP JP1974144045U patent/JPS5411867Y2/ja not_active Expired
-
1975
- 1975-11-24 US US05/634,377 patent/US4024355A/en not_active Expired - Lifetime
- 1975-11-27 DE DE2553414A patent/DE2553414C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2553414A1 (de) | 1976-08-12 |
JPS5169841U (en, 2012) | 1976-06-02 |
US4024355A (en) | 1977-05-17 |
DE2553414C2 (de) | 1983-04-21 |