JPS6128259B2 - - Google Patents
Info
- Publication number
- JPS6128259B2 JPS6128259B2 JP2184580A JP2184580A JPS6128259B2 JP S6128259 B2 JPS6128259 B2 JP S6128259B2 JP 2184580 A JP2184580 A JP 2184580A JP 2184580 A JP2184580 A JP 2184580A JP S6128259 B2 JPS6128259 B2 JP S6128259B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- agc
- loss
- reception
- 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
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000008094 contradictory effect Effects 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 description 6
- 230000007257 malfunction Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000005669 field effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/10—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2184580A JPS56117462A (en) | 1980-02-22 | 1980-02-22 | Loudspeaking telephone device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2184580A JPS56117462A (en) | 1980-02-22 | 1980-02-22 | Loudspeaking telephone device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56117462A JPS56117462A (en) | 1981-09-14 |
JPS6128259B2 true JPS6128259B2 (zh) | 1986-06-30 |
Family
ID=12066422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2184580A Granted JPS56117462A (en) | 1980-02-22 | 1980-02-22 | Loudspeaking telephone device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56117462A (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2481550B1 (fr) * | 1980-04-25 | 1985-08-02 | Trt Telecom Radio Electr | Dispositif de protection contre l'effet larsen dans un poste telephonique a haut-parleur |
US4600815A (en) * | 1982-07-30 | 1986-07-15 | Communications Satellite Corporation | Automatic gain control for echo cancellers and similar adaptive systems |
-
1980
- 1980-02-22 JP JP2184580A patent/JPS56117462A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS56117462A (en) | 1981-09-14 |
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