JPS6121039B2 - - Google Patents
Info
- Publication number
- JPS6121039B2 JPS6121039B2 JP279180A JP279180A JPS6121039B2 JP S6121039 B2 JPS6121039 B2 JP S6121039B2 JP 279180 A JP279180 A JP 279180A JP 279180 A JP279180 A JP 279180A JP S6121039 B2 JPS6121039 B2 JP S6121039B2
- Authority
- JP
- Japan
- Prior art keywords
- howling
- signal
- gain
- recognition
- time
- 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
- 230000001629 suppression Effects 0.000 claims description 13
- 230000008054 signal transmission Effects 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 32
- 230000003321 amplification Effects 0.000 description 16
- 238000003199 nucleic acid amplification method Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 11
- 239000004020 conductor Substances 0.000 description 10
- 238000005070 sampling Methods 0.000 description 9
- 238000013139 quantization Methods 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP279180A JPS56100596A (en) | 1980-01-14 | 1980-01-14 | Howling suppression control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP279180A JPS56100596A (en) | 1980-01-14 | 1980-01-14 | Howling suppression control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56100596A JPS56100596A (en) | 1981-08-12 |
| JPS6121039B2 true JPS6121039B2 (enrdf_load_html_response) | 1986-05-24 |
Family
ID=11539176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP279180A Granted JPS56100596A (en) | 1980-01-14 | 1980-01-14 | Howling suppression control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56100596A (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6322639U (enrdf_load_html_response) * | 1986-07-24 | 1988-02-15 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5864895A (ja) * | 1981-10-14 | 1983-04-18 | Shigetaro Muraoka | ハウリング防止方法 |
| JPS6337748A (ja) * | 1986-07-31 | 1988-02-18 | Juki Corp | 電話機用スピ−カフオンの送受話回路 |
| JPS63134480A (ja) * | 1986-11-20 | 1988-06-07 | 株式会社日立ビルシステムサービス | エレベ−タの非常通話装置 |
| JPH01319354A (ja) * | 1988-06-20 | 1989-12-25 | Fujitsu Ten Ltd | 通話装置における受話レベル調製方式 |
-
1980
- 1980-01-14 JP JP279180A patent/JPS56100596A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6322639U (enrdf_load_html_response) * | 1986-07-24 | 1988-02-15 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56100596A (en) | 1981-08-12 |
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