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AU2639377A - Transducer test device - Google Patents

Transducer test device

Info

Publication number
AU2639377A
AU2639377A AU26393/77A AU2639377A AU2639377A AU 2639377 A AU2639377 A AU 2639377A AU 26393/77 A AU26393/77 A AU 26393/77A AU 2639377 A AU2639377 A AU 2639377A AU 2639377 A AU2639377 A AU 2639377A
Authority
AU
Australia
Prior art keywords
test device
transducer test
transducer
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.)
Pending
Application number
AU26393/77A
Inventor
Michel Duteil
Andre Mingaud
Eugene Randrianarana
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of AU2639377A publication Critical patent/AU2639377A/en
Pending 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/24—Arrangements for testing
    • 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
    • H04R29/004—Monitoring arrangements; Testing arrangements for microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
AU26393/77A 1976-07-02 1977-06-23 Transducer test device Pending AU2639377A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7620196A FR2357121A1 (en) 1976-07-02 1976-07-02 TELEPHONE STATION SPEAKING CIRCUIT TEST DEVICE

Publications (1)

Publication Number Publication Date
AU2639377A true AU2639377A (en) 1979-01-04

Family

ID=9175159

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26393/77A Pending AU2639377A (en) 1976-07-02 1977-06-23 Transducer test device

Country Status (2)

Country Link
AU (1) AU2639377A (en)
FR (1) FR2357121A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2832811C2 (en) * 1978-07-26 1983-12-29 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for checking, carried out in a central office, the changes in state of a switching means arranged at the output of a connecting line in telecommunication systems, in particular telephone systems
US4575587A (en) * 1984-09-24 1986-03-11 Motorola, Inc. Signal wrap for transducer fault isolation

Also Published As

Publication number Publication date
FR2357121B1 (en) 1982-12-10
FR2357121A1 (en) 1978-01-27

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