JPS6096037A - 反響消去装置 - Google Patents
反響消去装置Info
- Publication number
- JPS6096037A JPS6096037A JP20398883A JP20398883A JPS6096037A JP S6096037 A JPS6096037 A JP S6096037A JP 20398883 A JP20398883 A JP 20398883A JP 20398883 A JP20398883 A JP 20398883A JP S6096037 A JPS6096037 A JP S6096037A
- Authority
- JP
- Japan
- Prior art keywords
- echo
- level
- signal level
- received signal
- circuit
- 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.)
- Granted
Links
- 238000005259 measurement Methods 0.000 claims description 11
- 230000007423 decrease Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect 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
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 |
|---|---|---|---|
| JP20398883A JPS6096037A (ja) | 1983-10-31 | 1983-10-31 | 反響消去装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20398883A JPS6096037A (ja) | 1983-10-31 | 1983-10-31 | 反響消去装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6096037A true JPS6096037A (ja) | 1985-05-29 |
| JPH0140536B2 JPH0140536B2 (OSRAM) | 1989-08-29 |
Family
ID=16482920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20398883A Granted JPS6096037A (ja) | 1983-10-31 | 1983-10-31 | 反響消去装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6096037A (OSRAM) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5787246A (en) * | 1980-11-20 | 1982-05-31 | Nec Corp | Echo canceller |
| JPS57168531A (en) * | 1981-04-10 | 1982-10-16 | Nippon Telegr & Teleph Corp <Ntt> | Echo erasing device |
-
1983
- 1983-10-31 JP JP20398883A patent/JPS6096037A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5787246A (en) * | 1980-11-20 | 1982-05-31 | Nec Corp | Echo canceller |
| JPS57168531A (en) * | 1981-04-10 | 1982-10-16 | Nippon Telegr & Teleph Corp <Ntt> | Echo erasing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0140536B2 (OSRAM) | 1989-08-29 |
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