JPH01117179U - - Google Patents
Info
- Publication number
- JPH01117179U JPH01117179U JP1988012068U JP1206888U JPH01117179U JP H01117179 U JPH01117179 U JP H01117179U JP 1988012068 U JP1988012068 U JP 1988012068U JP 1206888 U JP1206888 U JP 1206888U JP H01117179 U JPH01117179 U JP H01117179U
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- video
- input
- output terminal
- 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 1
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案を使用したテレビシステムの構
成を示す説明図、第２図は本考案のテレビ用有線
アダプターの内部構成を示すブロツク図、第３図
はそのより具体的な構成を示す説明図、第４図は
コネクタ付きケーブルの説明図、第５図はその使
用例の説明図、第６図は従来のテレビシステムの
構成を示す説明図である。
［符号の説明］、１……テレビ用有線アダプタ
ー、２……ビデオ装置、３，３′……テレビ、４
……コンバーター、５……分配器、ｌ……アンテ
ナ引き込み線、１ｄ……アンテナ入／出力端子、
１ｅ……アンテナ出力端子、１ｆ……映像、音声
出力端子、１ａ……第１フイルター、１ｂ……第
２フイルター、１ｃ……多重変調器。
Fig. 1 is an explanatory diagram showing the configuration of a television system using the present invention, Fig. 2 is a block diagram showing the internal configuration of the television wired adapter of the present invention, and Fig. 3 is an explanation showing its more specific configuration. 4 is an explanatory diagram of a cable with a connector, FIG. 5 is an explanatory diagram of an example of its use, and FIG. 6 is an explanatory diagram showing the configuration of a conventional television system. [Explanation of symbols], 1... Wired adapter for TV, 2... Video device, 3, 3'... Television, 4
...Converter, 5...Distributor, l...Antenna lead-in line, 1d...Antenna input/output terminal,
1e...Antenna output terminal, 1f...Video and audio output terminal, 1a...First filter, 1b...Second filter, 1c...Multiple modulator.
Claims (1)
接続しないテレビとを共通のアンテナ引き込み線
で接続した有線テレビシステムに使用され、 上記共通のアンテナ引き込み線を接続するアン
テナ入／出力端子と、上記ビデオ装置のアンテナ
入力端子に接続されるアンテナ出力端子と、該ビ
デオ装置の映像、音声出力端子に接続される映像
、音声入力端子とを有したアダプターであつて、 上記アンテナ入／出力端子と上記アンテナ出力
端子との間に、アンテナ引き込み線より入力され
る放送電波に応じたアンテナ信号のみを通過させ
る第１のフイルターを設けるとともに、上記映像
、音声入力端子と上記アンテナ入／出力端子との
間には、上記映像、音声端子より入力された映像
、音声信号を多重変調する多重変調回路と、この
多重変調回路によつて変調された被変調信号のみ
を通過させる第２のフイルターを設けたことを特
徴とする、テレビ用有線アダプター。[Claim for Utility Model Registration] An antenna input that connects the common antenna lead-in wire for use in a wired television system in which a television connected to a video device and a television not connected to a video device are connected by a common antenna lead-in wire. /output terminal, an antenna output terminal connected to the antenna input terminal of the video device, and a video and audio input terminal connected to the video and audio output terminals of the video device, the adapter comprising: A first filter is provided between the input/output terminal and the antenna output terminal, which passes only the antenna signal corresponding to the broadcast radio waves input from the antenna lead-in line, and a first filter is provided between the video and audio input terminals and the antenna input terminal. /output terminal, there is a multiplex modulation circuit that multiplex modulates the video and audio signals input from the video and audio terminals, and a second modulation circuit that passes only the modulated signal modulated by the multiplex modulation circuit. A wired adapter for television that is equipped with a filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988012068U JPH01117179U (en) | 1988-01-31 | 1988-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988012068U JPH01117179U (en) | 1988-01-31 | 1988-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01117179U true JPH01117179U (en) | 1989-08-08 |
Family
ID=31221180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988012068U Pending JPH01117179U (en) | 1988-01-31 | 1988-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01117179U (en) |
-
1988
- 1988-01-31 JP JP1988012068U patent/JPH01117179U/ja active Pending
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