JPS6340377B2 - - Google Patents
Info
- Publication number
- JPS6340377B2 JPS6340377B2 JP10828580A JP10828580A JPS6340377B2 JP S6340377 B2 JPS6340377 B2 JP S6340377B2 JP 10828580 A JP10828580 A JP 10828580A JP 10828580 A JP10828580 A JP 10828580A JP S6340377 B2 JPS6340377 B2 JP S6340377B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- training
- circuit
- sidetone
- station
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 41
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
- H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
- H04B3/238—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers using initial training sequence
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10828580A JPS5733843A (en) | 1980-08-08 | 1980-08-08 | Echo cancelling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10828580A JPS5733843A (en) | 1980-08-08 | 1980-08-08 | Echo cancelling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5733843A JPS5733843A (en) | 1982-02-24 |
| JPS6340377B2 true JPS6340377B2 (de) | 1988-08-10 |
Family
ID=14480775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10828580A Granted JPS5733843A (en) | 1980-08-08 | 1980-08-08 | Echo cancelling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5733843A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63160429A (ja) * | 1986-12-23 | 1988-07-04 | Nec Corp | 二線式音声会議装置 |
| JPS63160428A (ja) * | 1986-12-23 | 1988-07-04 | Nec Corp | 二線式音声会議装置 |
| JPS63202138A (ja) * | 1987-02-17 | 1988-08-22 | Nec Corp | 二線式音声会議装置 |
| JP2850703B2 (ja) * | 1993-04-30 | 1999-01-27 | 岩崎通信機株式会社 | 伝送制御装置 |
-
1980
- 1980-08-08 JP JP10828580A patent/JPS5733843A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5733843A (en) | 1982-02-24 |
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