JPS6340061B2 - - Google Patents
Info
- Publication number
- JPS6340061B2 JPS6340061B2 JP57161307A JP16130782A JPS6340061B2 JP S6340061 B2 JPS6340061 B2 JP S6340061B2 JP 57161307 A JP57161307 A JP 57161307A JP 16130782 A JP16130782 A JP 16130782A JP S6340061 B2 JPS6340061 B2 JP S6340061B2
- Authority
- JP
- Japan
- Prior art keywords
- transmitting
- receiving
- level signal
- circuit
- loudspeaker telephone
- 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 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16130782A JPS5951646A (ja) | 1982-09-16 | 1982-09-16 | 拡声電話装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16130782A JPS5951646A (ja) | 1982-09-16 | 1982-09-16 | 拡声電話装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5951646A JPS5951646A (ja) | 1984-03-26 |
JPS6340061B2 true JPS6340061B2 (US06256357-20010703-M00001.png) | 1988-08-09 |
Family
ID=15732612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16130782A Granted JPS5951646A (ja) | 1982-09-16 | 1982-09-16 | 拡声電話装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5951646A (US06256357-20010703-M00001.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0461963U (US06256357-20010703-M00001.png) * | 1990-10-06 | 1992-05-27 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57148452A (en) * | 1981-03-11 | 1982-09-13 | Yuniden Kk | Control system for transmitting and receiving line of hand-free telephone set |
-
1982
- 1982-09-16 JP JP16130782A patent/JPS5951646A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57148452A (en) * | 1981-03-11 | 1982-09-13 | Yuniden Kk | Control system for transmitting and receiving line of hand-free telephone set |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0461963U (US06256357-20010703-M00001.png) * | 1990-10-06 | 1992-05-27 |
Also Published As
Publication number | Publication date |
---|---|
JPS5951646A (ja) | 1984-03-26 |
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