ATE104823T1 - Elektroakustischer wandler. - Google Patents
Elektroakustischer wandler.Info
- Publication number
- ATE104823T1 ATE104823T1 AT8989114587T AT89114587T ATE104823T1 AT E104823 T1 ATE104823 T1 AT E104823T1 AT 8989114587 T AT8989114587 T AT 8989114587T AT 89114587 T AT89114587 T AT 89114587T AT E104823 T1 ATE104823 T1 AT E104823T1
- Authority
- AT
- Austria
- Prior art keywords
- electroacoustic transducer
- transducer
- telephones
- transducers
- clamped
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3827165 | 1988-08-10 | ||
| EP89114587A EP0354520B1 (de) | 1988-08-10 | 1989-08-07 | Elektroakustischer Wandler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE104823T1 true ATE104823T1 (de) | 1994-05-15 |
Family
ID=6360604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT8989114587T ATE104823T1 (de) | 1988-08-10 | 1989-08-07 | Elektroakustischer wandler. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5030872A (de) |
| EP (1) | EP0354520B1 (de) |
| JP (1) | JPH0281600A (de) |
| CN (1) | CN1015289B (de) |
| AT (1) | ATE104823T1 (de) |
| DE (1) | DE58907495D1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9014981U1 (de) * | 1990-10-30 | 1991-01-10 | Siemens AG, 8000 München | Handapparatekörper für Fernsprechendgeräte |
| US5406161A (en) * | 1994-05-24 | 1995-04-11 | Industrial Technology Research Institute | Piezoelectric composite receiver |
| EP1952667A1 (de) * | 2005-11-14 | 2008-08-06 | Nxp B.V. | Asymmetrisches bewegungssystem für einen piezoelektrischen sprecher und asymmetrischer sprecher |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL267294A (de) * | 1960-07-22 | |||
| BE759888A (fr) * | 1969-12-05 | 1971-06-04 | Siemens Ag | Transducteur electro-acoustique, notamment microphone pour installations telephoniques |
| US3708702A (en) * | 1970-12-02 | 1973-01-02 | Siemens Ag | Electroacoustic transducer |
| US3872470A (en) * | 1973-04-18 | 1975-03-18 | Airco Inc | Audible signal generating apparatus having selectively controlled audible output |
| US4302695A (en) * | 1979-11-16 | 1981-11-24 | General Electric Company | Support arrangement for a flexible sound generating diaphragm |
| US4295009A (en) * | 1980-03-07 | 1981-10-13 | Amp Incorporated | Piezoelectric audio transducer mounting and electrical connector |
| DE3107293C2 (de) * | 1981-02-26 | 1987-05-14 | Siemens AG, 1000 Berlin und 8000 München | Anordnung zur Frequenzgangverbesserung für elektroakustische Wandler |
| US4429247A (en) * | 1982-01-28 | 1984-01-31 | Amp Incorporated | Piezoelectric transducer supporting and contacting means |
| DE3609461A1 (de) * | 1986-03-20 | 1987-09-24 | Siemens Ag | Elektroakustischer wandler |
-
1989
- 1989-06-14 CN CN89103976A patent/CN1015289B/zh not_active Expired
- 1989-08-03 US US07/388,994 patent/US5030872A/en not_active Expired - Fee Related
- 1989-08-07 AT AT8989114587T patent/ATE104823T1/de not_active IP Right Cessation
- 1989-08-07 DE DE58907495T patent/DE58907495D1/de not_active Expired - Fee Related
- 1989-08-07 EP EP89114587A patent/EP0354520B1/de not_active Expired - Lifetime
- 1989-08-09 JP JP1204928A patent/JPH0281600A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0354520B1 (de) | 1994-04-20 |
| US5030872A (en) | 1991-07-09 |
| EP0354520A3 (de) | 1991-04-03 |
| CN1015289B (zh) | 1992-01-01 |
| DE58907495D1 (de) | 1994-05-26 |
| JPH0281600A (ja) | 1990-03-22 |
| CN1040297A (zh) | 1990-03-07 |
| EP0354520A2 (de) | 1990-02-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REN | Ceased due to non-payment of the annual fee |