GB9312162D0 - Test apparatus - Google Patents

Test apparatus

Info

Publication number
GB9312162D0
GB9312162D0 GB939312162A GB9312162A GB9312162D0 GB 9312162 D0 GB9312162 D0 GB 9312162D0 GB 939312162 A GB939312162 A GB 939312162A GB 9312162 A GB9312162 A GB 9312162A GB 9312162 D0 GB9312162 D0 GB 9312162D0
Authority
GB
United Kingdom
Prior art keywords
test apparatus
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.)
Withdrawn
Application number
GB939312162A
Other versions
GB2278975A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems PLC
Original Assignee
British Aerospace PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by British Aerospace PLC filed Critical British Aerospace PLC
Priority to GB9312162A priority Critical patent/GB2278975A/en
Publication of GB9312162D0 publication Critical patent/GB9312162D0/en
Priority to DE1994616728 priority patent/DE69416728T2/en
Priority to EP19940304098 priority patent/EP0629869B1/en
Publication of GB2278975A publication Critical patent/GB2278975A/en
Withdrawn legal-status Critical Current

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)
GB9312162A 1993-06-12 1993-06-12 Test apparatus Withdrawn GB2278975A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9312162A GB2278975A (en) 1993-06-12 1993-06-12 Test apparatus
DE1994616728 DE69416728T2 (en) 1993-06-12 1994-06-07 Test device
EP19940304098 EP0629869B1 (en) 1993-06-12 1994-06-07 Test apparatus

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
GB9312162D0 true GB9312162D0 (en) 1993-07-28
GB2278975A GB2278975A (en) 1994-12-14

Family

ID=10737076

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9312162A Withdrawn GB2278975A (en) 1993-06-12 1993-06-12 Test apparatus

Country Status (3)

Country Link
EP (1) EP0629869B1 (en)
DE (1) DE69416728T2 (en)
GB (1) GB2278975A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 (en) * 1965-06-10 1967-11-15 Vyzk Ustav Mech Ultrasonic generator with an ultrasonic resonance oscillation system
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 (en) * 1988-06-03 1990-08-03 Thomson Csf SYSTEM FOR DETECTION OF FREE PARTICLES IN A COMPONENT PACKAGE AND DETECTION METHOD
GB2260875B (en) * 1991-10-23 1995-06-28 Anthony Best Dynamics Ltd Noise source

Also Published As

Publication number Publication date
EP0629869B1 (en) 1999-03-03
GB2278975A (en) 1994-12-14
DE69416728T2 (en) 1999-07-01
EP0629869A1 (en) 1994-12-21
DE69416728D1 (en) 1999-04-08

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)