JPH02101653U - - Google Patents
Info
- Publication number
- JPH02101653U JPH02101653U JP1024789U JP1024789U JPH02101653U JP H02101653 U JPH02101653 U JP H02101653U JP 1024789 U JP1024789 U JP 1024789U JP 1024789 U JP1024789 U JP 1024789U JP H02101653 U JPH02101653 U JP H02101653U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- handset
- circuit
- modulation
- audio
- 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.)
- Pending
Links
- 230000005236 sound signal Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Closed-Circuit Television Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1024789U JPH02101653U (OSRAM) | 1989-01-31 | 1989-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1024789U JPH02101653U (OSRAM) | 1989-01-31 | 1989-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02101653U true JPH02101653U (OSRAM) | 1990-08-13 |
Family
ID=31217733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1024789U Pending JPH02101653U (OSRAM) | 1989-01-31 | 1989-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02101653U (OSRAM) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58171184A (ja) * | 1982-03-31 | 1983-10-07 | Matsushita Electric Works Ltd | モニタテレビ付インタ−ホン装置 |
| JPS63300685A (ja) * | 1987-05-30 | 1988-12-07 | Sharp Corp | 音声・映像信号の多重化伝送方法 |
| JPS6427358A (en) * | 1988-07-08 | 1989-01-30 | Aiphone Co Ltd | Frequency division multiplex interphone transmission system |
-
1989
- 1989-01-31 JP JP1024789U patent/JPH02101653U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58171184A (ja) * | 1982-03-31 | 1983-10-07 | Matsushita Electric Works Ltd | モニタテレビ付インタ−ホン装置 |
| JPS63300685A (ja) * | 1987-05-30 | 1988-12-07 | Sharp Corp | 音声・映像信号の多重化伝送方法 |
| JPS6427358A (en) * | 1988-07-08 | 1989-01-30 | Aiphone Co Ltd | Frequency division multiplex interphone transmission system |
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