ATE290291T1 - Vorrichtung für telefoneigenecho - Google Patents
Vorrichtung für telefoneigenechoInfo
- Publication number
- ATE290291T1 ATE290291T1 AT95111419T AT95111419T ATE290291T1 AT E290291 T1 ATE290291 T1 AT E290291T1 AT 95111419 T AT95111419 T AT 95111419T AT 95111419 T AT95111419 T AT 95111419T AT E290291 T1 ATE290291 T1 AT E290291T1
- Authority
- AT
- Austria
- Prior art keywords
- side tone
- network
- telephone
- produced
- measuring
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/58—Anti-side-tone circuits
- H04M1/585—Anti-side-tone circuits implemented without inductive element
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Telephonic Communication Services (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPM693894 | 1994-07-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE290291T1 true ATE290291T1 (de) | 2005-03-15 |
Family
ID=3781471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT95111419T ATE290291T1 (de) | 1994-07-20 | 1995-07-20 | Vorrichtung für telefoneigenecho |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0703693B1 (de) |
CN (1) | CN1071523C (de) |
AT (1) | ATE290291T1 (de) |
NZ (1) | NZ272558A (de) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58157286A (ja) * | 1982-03-13 | 1983-09-19 | Toshiba Corp | ボタン電話装置における防側音回路 |
JPH0245865B2 (ja) * | 1983-11-22 | 1990-10-12 | Nippon Denshin Denwa Kk | Bosokuonkairo |
-
1995
- 1995-07-12 NZ NZ272558A patent/NZ272558A/en unknown
- 1995-07-19 CN CN95108993A patent/CN1071523C/zh not_active Expired - Fee Related
- 1995-07-20 AT AT95111419T patent/ATE290291T1/de not_active IP Right Cessation
- 1995-07-20 EP EP95111419A patent/EP0703693B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1071523C (zh) | 2001-09-19 |
NZ272558A (en) | 1997-02-24 |
CN1120770A (zh) | 1996-04-17 |
EP0703693A1 (de) | 1996-03-27 |
EP0703693B1 (de) | 2005-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |