JPH0127621B2 - - Google Patents
Info
- Publication number
- JPH0127621B2 JPH0127621B2 JP57128115A JP12811582A JPH0127621B2 JP H0127621 B2 JPH0127621 B2 JP H0127621B2 JP 57128115 A JP57128115 A JP 57128115A JP 12811582 A JP12811582 A JP 12811582A JP H0127621 B2 JPH0127621 B2 JP H0127621B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- gate
- detection circuit
- signal detection
- logical
- 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
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)
- Transceivers (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57128115A JPS5917765A (ja) | 1982-07-21 | 1982-07-21 | 電力線搬送式インタ−ホン装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57128115A JPS5917765A (ja) | 1982-07-21 | 1982-07-21 | 電力線搬送式インタ−ホン装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5917765A JPS5917765A (ja) | 1984-01-30 |
| JPH0127621B2 true JPH0127621B2 (enrdf_load_html_response) | 1989-05-30 |
Family
ID=14976744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57128115A Granted JPS5917765A (ja) | 1982-07-21 | 1982-07-21 | 電力線搬送式インタ−ホン装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5917765A (enrdf_load_html_response) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0178961U (enrdf_load_html_response) * | 1987-11-16 | 1989-05-26 | ||
| JP5486901B2 (ja) * | 2009-11-06 | 2014-05-07 | 株式会社東芝 | 超音波診断装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5475206A (en) * | 1977-11-28 | 1979-06-15 | Konii Onkiyou Kk | Carrier interphone having speech indicator |
-
1982
- 1982-07-21 JP JP57128115A patent/JPS5917765A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5917765A (ja) | 1984-01-30 |
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