NO900902D0 - DEVICE FOR TESTING THE ELECTROACUSTIC PROPERTIES OF PHONE DEVICE. - Google Patents
DEVICE FOR TESTING THE ELECTROACUSTIC PROPERTIES OF PHONE DEVICE.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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3911980A DE3911980C1 (en) | 1989-04-12 | 1989-04-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO900902D0 true NO900902D0 (en) | 1990-02-26 |
NO900902L NO900902L (en) | 1990-10-15 |
Family
ID=6378499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO90900902A NO900902L (en) | 1989-04-12 | 1990-02-26 | DEVICE FOR TESTING THE ELECTROACUSTIC TRANSFER FEATURES OF PHONE DEVICE. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0392166A3 (en) |
DE (1) | DE3911980C1 (en) |
NO (1) | NO900902L (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2810116A1 (en) * | 2000-06-07 | 2001-12-14 | Arf Test | Test device for a mobile phone, has microphone and loud speaker mounted in separate test heads with annular covers at the bottom of the heads to ensure good coupling to the phone under test so that background noise is suppressed |
GB2456846B (en) * | 2008-07-31 | 2013-03-13 | Wolfson Microelectronics Plc | Ear simulator |
-
1989
- 1989-04-12 DE DE3911980A patent/DE3911980C1/de not_active Expired - Fee Related
-
1990
- 1990-02-20 EP EP19900103228 patent/EP0392166A3/en not_active Withdrawn
- 1990-02-26 NO NO90900902A patent/NO900902L/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0392166A2 (en) | 1990-10-17 |
DE3911980C1 (en) | 1990-07-26 |
EP0392166A3 (en) | 1992-07-29 |
NO900902L (en) | 1990-10-15 |
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