SE8302029D0 - Transmitter microphone - Google Patents
Transmitter microphoneInfo
- Publication number
- SE8302029D0 SE8302029D0 SE8302029A SE8302029A SE8302029D0 SE 8302029 D0 SE8302029 D0 SE 8302029D0 SE 8302029 A SE8302029 A SE 8302029A SE 8302029 A SE8302029 A SE 8302029A SE 8302029 D0 SE8302029 D0 SE 8302029D0
- Authority
- SE
- Sweden
- Prior art keywords
- transmitter microphone
- leg
- fixed
- piezoelectric body
- microphone
- Prior art date
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
- H04R17/02—Microphones
-
- 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
- H04R17/02—Microphones
- H04R17/025—Microphones using a piezoelectric polymer
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6137582A JPS58178700A (ja) | 1982-04-13 | 1982-04-13 | 送話器 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8302029D0 true SE8302029D0 (sv) | 1983-04-12 |
SE8302029L SE8302029L (sv) | 1983-10-14 |
Family
ID=13169363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8302029A SE8302029L (sv) | 1982-04-13 | 1983-04-12 | Sendarmicrofon |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS58178700A (sv) |
DE (1) | DE3313408A1 (sv) |
FR (1) | FR2525062A1 (sv) |
GB (1) | GB2120900A (sv) |
SE (1) | SE8302029L (sv) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2154323B (en) * | 1984-02-14 | 1987-02-18 | Plessey Co Plc | Pressure sensor |
JPS62183299A (ja) * | 1986-02-06 | 1987-08-11 | Kureha Chem Ind Co Ltd | 圧電素子および振動センサ |
FR2920677B1 (fr) * | 2007-09-06 | 2009-11-27 | Peugeot Citroen Automobiles Sa | Dispositif accoustique en particulier pour vehicule automobile. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1122386A (en) * | 1964-12-16 | 1968-08-07 | Standard Telephones Cables Ltd | Improvements in or relating to electromechanical transducers |
US3816774A (en) * | 1972-01-28 | 1974-06-11 | Victor Company Of Japan | Curved piezoelectric elements |
GB1383078A (en) * | 1972-04-26 | 1975-02-05 | Plessey Co Ltd | Piezoelectric transducers |
SE361805B (sv) * | 1972-08-07 | 1973-11-12 | Ericsson Telefon Ab L M | |
DE2911917C2 (de) * | 1979-03-27 | 1983-08-11 | Sennheiser Electronic Kg, 3002 Wedemark | Elektroakustischer Wandler nach dem piezoelektrischen Prinzip |
-
1982
- 1982-04-13 JP JP6137582A patent/JPS58178700A/ja active Pending
-
1983
- 1983-04-12 SE SE8302029A patent/SE8302029L/sv not_active Application Discontinuation
- 1983-04-13 FR FR8306035A patent/FR2525062A1/fr not_active Withdrawn
- 1983-04-13 GB GB08310040A patent/GB2120900A/en not_active Withdrawn
- 1983-04-13 DE DE19833313408 patent/DE3313408A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE3313408A1 (de) | 1983-10-20 |
GB8310040D0 (en) | 1983-05-18 |
SE8302029L (sv) | 1983-10-14 |
JPS58178700A (ja) | 1983-10-19 |
FR2525062A1 (fr) | 1983-10-14 |
GB2120900A (en) | 1983-12-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8302029-7 |