FR2174044B1 - - Google Patents
Info
- Publication number
- FR2174044B1 FR2174044B1 FR7306263A FR7306263A FR2174044B1 FR 2174044 B1 FR2174044 B1 FR 2174044B1 FR 7306263 A FR7306263 A FR 7306263A FR 7306263 A FR7306263 A FR 7306263A FR 2174044 B1 FR2174044 B1 FR 2174044B1
- Authority
- FR
- France
- 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
- H04R17/02—Microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/04—Structural association of microphone with electric circuitry therefor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722209607 DE2209607B1 (en) | 1972-02-29 | 1972-02-29 | ELECTROACOUSTIC CONVERTER |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2174044A1 FR2174044A1 (en) | 1973-10-12 |
| FR2174044B1 true FR2174044B1 (en) | 1979-06-29 |
Family
ID=5837462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7306263A Expired FR2174044B1 (en) | 1972-02-29 | 1973-02-22 |
Country Status (13)
| Country | Link |
|---|---|
| AR (1) | AR193485A1 (en) |
| AT (1) | AT318021B (en) |
| BE (1) | BE796100A (en) |
| BR (1) | BR7301463D0 (en) |
| CH (1) | CH552926A (en) |
| DE (1) | DE2209607B1 (en) |
| FR (1) | FR2174044B1 (en) |
| GB (1) | GB1397662A (en) |
| IT (1) | IT979509B (en) |
| LU (1) | LU67103A1 (en) |
| NL (1) | NL7302654A (en) |
| SE (1) | SE387510B (en) |
| ZA (1) | ZA73976B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5595998A (en) * | 1979-01-15 | 1980-07-21 | Molex Inc | Connector assembly for converter |
| EP0158230B1 (en) * | 1984-04-11 | 1987-07-29 | Siemens Aktiengesellschaft | Piezoelectric-acoustic transducer for electroacoustic units with constructional features for assembling |
| DE3425176A1 (en) * | 1984-07-09 | 1986-02-20 | Fernsprech Und Signalbau Kg Sc | Piezoelectric telephone capsule |
| DE3425175A1 (en) * | 1984-07-09 | 1986-03-27 | Fernsprech- und Signalbau KG Schüler & Vershoven, 4300 Essen | Piezoelectric acoustic transducer |
| FI103747B (en) | 1998-01-29 | 1999-08-31 | Emf Acoustics Oy Ltd | The vibration transducer unit |
-
1972
- 1972-02-29 DE DE19722209607 patent/DE2209607B1/en not_active Withdrawn
-
1973
- 1973-01-31 AT AT82473A patent/AT318021B/en active
- 1973-02-05 GB GB550773A patent/GB1397662A/en not_active Expired
- 1973-02-12 AR AR246544A patent/AR193485A1/en active
- 1973-02-12 ZA ZA730976A patent/ZA73976B/en unknown
- 1973-02-16 CH CH231273A patent/CH552926A/en not_active IP Right Cessation
- 1973-02-22 FR FR7306263A patent/FR2174044B1/fr not_active Expired
- 1973-02-26 NL NL7302654A patent/NL7302654A/xx not_active Application Discontinuation
- 1973-02-27 IT IT20899/73A patent/IT979509B/en active
- 1973-02-27 BR BR731463A patent/BR7301463D0/en unknown
- 1973-02-27 LU LU67103A patent/LU67103A1/xx unknown
- 1973-02-28 SE SE7302853A patent/SE387510B/en unknown
- 1973-02-28 BE BE128220A patent/BE796100A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH552926A (en) | 1974-08-15 |
| AU5210973A (en) | 1974-08-15 |
| NL7302654A (en) | 1973-08-31 |
| ZA73976B (en) | 1973-11-28 |
| SE387510B (en) | 1976-09-06 |
| FR2174044A1 (en) | 1973-10-12 |
| BR7301463D0 (en) | 1974-05-16 |
| IT979509B (en) | 1974-09-30 |
| AT318021B (en) | 1974-09-25 |
| DE2209607A1 (en) | 1974-01-31 |
| AR193485A1 (en) | 1973-04-23 |
| BE796100A (en) | 1973-08-28 |
| LU67103A1 (en) | 1973-05-03 |
| GB1397662A (en) | 1975-06-18 |
| DE2209607B1 (en) | 1974-01-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |