DE69416728D1 - Testvorrichtung - Google Patents
TestvorrichtungInfo
- Publication number
- DE69416728D1 DE69416728D1 DE69416728T DE69416728T DE69416728D1 DE 69416728 D1 DE69416728 D1 DE 69416728D1 DE 69416728 T DE69416728 T DE 69416728T DE 69416728 T DE69416728 T DE 69416728T DE 69416728 D1 DE69416728 D1 DE 69416728D1
- Authority
- DE
- Germany
- Prior art keywords
- test device
- test
- Prior art date
- 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 - Fee Related
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
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9312162A GB2278975A (en) | 1993-06-12 | 1993-06-12 | Test apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69416728D1 true DE69416728D1 (de) | 1999-04-08 |
DE69416728T2 DE69416728T2 (de) | 1999-07-01 |
Family
ID=10737076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1994616728 Expired - Fee Related DE69416728T2 (de) | 1993-06-12 | 1994-06-07 | Testvorrichtung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0629869B1 (de) |
DE (1) | DE69416728T2 (de) |
GB (1) | GB2278975A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2312972B (en) * | 1996-05-11 | 2000-02-09 | Marconi Gec Ltd | Vibration control |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1082874A (en) * | 1965-02-22 | 1967-09-13 | M E L Equipment Co Ltd | Processes wherein a mound of liquid is raised by acoustic vibrations |
CH446783A (de) * | 1965-06-10 | 1967-11-15 | Vyzk Ustav Mech | Ultraschallgenerator mit einem Ultraschall-Resonanz-Schwingungssystem |
US3924335A (en) * | 1971-02-26 | 1975-12-09 | Ultrasonic Systems | Ultrasonic dental and other instrument means and methods |
US3889166A (en) * | 1974-01-15 | 1975-06-10 | Quintron Inc | Automatic frequency control for a sandwich transducer using voltage feedback |
US4687962A (en) * | 1986-12-15 | 1987-08-18 | Baxter Travenol Laboratories, Inc. | Ultrasonic horn driving apparatus and method with active frequency tracking |
FR2632482B1 (fr) * | 1988-06-03 | 1990-08-03 | Thomson Csf | Systeme de detection de particules libres dans un boitier de composant et procede de detection |
GB2260875B (en) * | 1991-10-23 | 1995-06-28 | Anthony Best Dynamics Ltd | Noise source |
-
1993
- 1993-06-12 GB GB9312162A patent/GB2278975A/en not_active Withdrawn
-
1994
- 1994-06-07 DE DE1994616728 patent/DE69416728T2/de not_active Expired - Fee Related
- 1994-06-07 EP EP19940304098 patent/EP0629869B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB9312162D0 (en) | 1993-07-28 |
EP0629869B1 (de) | 1999-03-03 |
DE69416728T2 (de) | 1999-07-01 |
GB2278975A (en) | 1994-12-14 |
EP0629869A1 (de) | 1994-12-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: MBDA UK LTD., STEVENAGE, HERTFORDSHIRE, GB UH VENT |
|
8339 | Ceased/non-payment of the annual fee |