NO900902D0 - Anordning for testing av de elektroakustiske egenskaper for telefonapparat. - Google Patents

Anordning for testing av de elektroakustiske egenskaper for telefonapparat.

Info

Publication number
NO900902D0
NO900902D0 NO900902A NO900902A NO900902D0 NO 900902 D0 NO900902 D0 NO 900902D0 NO 900902 A NO900902 A NO 900902A NO 900902 A NO900902 A NO 900902A NO 900902 D0 NO900902 D0 NO 900902D0
Authority
NO
Norway
Prior art keywords
electroacustic
testing
properties
phone
phone device
Prior art date
Application number
NO900902A
Other languages
English (en)
Other versions
NO900902L (no
Inventor
Michael Heedt
Michael Bruehl
Norbert Apfel
Original Assignee
Quanta Ag
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 Quanta Ag filed Critical Quanta Ag
Publication of NO900902D0 publication Critical patent/NO900902D0/no
Publication of NO900902L publication Critical patent/NO900902L/no

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

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)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
NO90900902A 1989-04-12 1990-02-26 Anordning for testing av de elektroakustiske overfoeringsegenskaper av telefonapparat. NO900902L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3911980A DE3911980C1 (no) 1989-04-12 1989-04-12

Publications (2)

Publication Number Publication Date
NO900902D0 true NO900902D0 (no) 1990-02-26
NO900902L NO900902L (no) 1990-10-15

Family

ID=6378499

Family Applications (1)

Application Number Title Priority Date Filing Date
NO90900902A NO900902L (no) 1989-04-12 1990-02-26 Anordning for testing av de elektroakustiske overfoeringsegenskaper av telefonapparat.

Country Status (3)

Country Link
EP (1) EP0392166A3 (no)
DE (1) DE3911980C1 (no)
NO (1) NO900902L (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2810116A1 (fr) * 2000-06-07 2001-12-14 Arf Test Tete de test d'un organe sonore tel qu'un micro et/ou un haur-parleur et dispositif de tests sonores de combines telephoniques
GB2456846B (en) * 2008-07-31 2013-03-13 Wolfson Microelectronics Plc Ear simulator
CN112911475A (zh) * 2021-03-04 2021-06-04 西安艾科特声学科技有限公司 一种带故障检测的误差传声器及误差传声器故障检测方法

Also Published As

Publication number Publication date
DE3911980C1 (no) 1990-07-26
EP0392166A2 (de) 1990-10-17
EP0392166A3 (de) 1992-07-29
NO900902L (no) 1990-10-15

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