JPS6188643A - ハンドフリ−回路 - Google Patents
ハンドフリ−回路Info
- Publication number
- JPS6188643A JPS6188643A JP20808184A JP20808184A JPS6188643A JP S6188643 A JPS6188643 A JP S6188643A JP 20808184 A JP20808184 A JP 20808184A JP 20808184 A JP20808184 A JP 20808184A JP S6188643 A JPS6188643 A JP S6188643A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- resistor
- signal
- polarity
- turned
- 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.)
- Granted
Links
- 230000000052 comparative effect Effects 0.000 claims 1
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 230000006866 deterioration Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 2
- 208000034248 vanishing lung syndrome Diseases 0.000 description 13
- 239000002131 composite material Substances 0.000 description 11
- 239000003990 capacitor Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000013256 coordination polymer Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 102220007331 rs111033633 Human genes 0.000 description 2
- 230000000903 blocking 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
- 230000002265 prevention Effects 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 |
|---|---|---|---|
| JP20808184A JPS6188643A (ja) | 1984-10-05 | 1984-10-05 | ハンドフリ−回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20808184A JPS6188643A (ja) | 1984-10-05 | 1984-10-05 | ハンドフリ−回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6188643A true JPS6188643A (ja) | 1986-05-06 |
| JPH0224424B2 JPH0224424B2 (enrdf_load_html_response) | 1990-05-29 |
Family
ID=16550324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20808184A Granted JPS6188643A (ja) | 1984-10-05 | 1984-10-05 | ハンドフリ−回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6188643A (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6412649A (en) * | 1987-07-06 | 1989-01-17 | Nec Corp | Variable gain circuit for loudspeaker telephone set |
-
1984
- 1984-10-05 JP JP20808184A patent/JPS6188643A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6412649A (en) * | 1987-07-06 | 1989-01-17 | Nec Corp | Variable gain circuit for loudspeaker telephone set |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0224424B2 (enrdf_load_html_response) | 1990-05-29 |
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