JPS5519108B2 - - Google Patents
Info
- Publication number
- JPS5519108B2 JPS5519108B2 JP12342476A JP12342476A JPS5519108B2 JP S5519108 B2 JPS5519108 B2 JP S5519108B2 JP 12342476 A JP12342476 A JP 12342476A JP 12342476 A JP12342476 A JP 12342476A JP S5519108 B2 JPS5519108 B2 JP S5519108B2
- Authority
- JP
- Japan
- 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
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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12342476A JPS5348601A (en) | 1976-10-16 | 1976-10-16 | Noise control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12342476A JPS5348601A (en) | 1976-10-16 | 1976-10-16 | Noise control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5348601A JPS5348601A (en) | 1978-05-02 |
| JPS5519108B2 true JPS5519108B2 (en) | 1980-05-23 |
Family
ID=14860205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12342476A Granted JPS5348601A (en) | 1976-10-16 | 1976-10-16 | Noise control system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5348601A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56164951A (en) * | 1980-05-23 | 1981-12-18 | Babcock Hitachi Kk | Ae measuring device |
| JPS5852695A (en) * | 1981-09-25 | 1983-03-28 | 日産自動車株式会社 | Voice detector for vehicle |
| FR2582885B1 (en) * | 1985-05-31 | 1988-03-18 | Zurcher Frederic | DUAL SENSE TRANSMISSION CIRCUIT PROVIDED WITH AUTOMATIC GAIN ADJUSTMENT MEANS ACCORDING TO THE TRANSMISSION SENSE. |
| JP2659358B2 (en) * | 1985-12-02 | 1997-09-30 | ローム 株式会社 | Hands-free phone |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828103A (en) * | 1971-08-13 | 1973-04-13 | ||
| JPS5121709A (en) * | 1974-08-19 | 1976-02-21 | Tokyo Shibaura Electric Co | KAKUSEIDENWAKISEIGYOKAIRO |
-
1976
- 1976-10-16 JP JP12342476A patent/JPS5348601A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828103A (en) * | 1971-08-13 | 1973-04-13 | ||
| JPS5121709A (en) * | 1974-08-19 | 1976-02-21 | Tokyo Shibaura Electric Co | KAKUSEIDENWAKISEIGYOKAIRO |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5348601A (en) | 1978-05-02 |