JPS6268373U - - Google Patents
Info
- Publication number
- JPS6268373U JPS6268373U JP1985159438U JP15943885U JPS6268373U JP S6268373 U JPS6268373 U JP S6268373U JP 1985159438 U JP1985159438 U JP 1985159438U JP 15943885 U JP15943885 U JP 15943885U JP S6268373 U JPS6268373 U JP S6268373U
- Authority
- JP
- Japan
- Prior art keywords
- frequency band
- television signal
- power
- frequency
- signal
- 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
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Details Of Television Systems (AREA)
Description
第1図はこの考案による混合装置の1実施例の
ブロツク図、第2図は同実施例のフイルタ部の回
路図、第3図は同実施例のフイルタ部の電源を供
給していないときの周波数特性図、第4図は同実
施例のフイルタ部の電源を供給したときの周波数
特性図である。
4…コンバータ部、6…コンバータ部の電源端
子、8…混合部、10…フイルタ部、36…フイ
ルタ部の電源端子。
Fig. 1 is a block diagram of one embodiment of the mixing device according to this invention, Fig. 2 is a circuit diagram of the filter section of the same embodiment, and Fig. 3 is a diagram of the filter section of the same embodiment when power is not supplied. Frequency Characteristic Diagram FIG. 4 is a frequency characteristic diagram when power is supplied to the filter section of the same embodiment. 4...Converter section, 6...Power terminal of converter section, 8...Mixing section, 10...Filter section, 36...Power terminal of filter section.
Claims (1)
のテレビジヨン信号を少なくとも伝送している伝
送路から信号を受け第1の周波数帯のテンビジヨ
ン信号を抽出し、これを第2の周波数帯またはこ
れの上側隣接周波数帯のテレビジヨン信号に周波
数変換するコンバータ部と、上記伝送路から信号
を受け電源が供給されていないとき第2の周波数
帯のテレビジヨン信号を通過させる周波数特性と
なり電源が供給されているとき第2の周波数帯の
テレビジヨン信号をしや断する周波数特性となる
フイルタ部と、上記コンバータ部と上記フイルタ
部との出力信号を混合する混合部と、上記コンバ
ータ部および上記フイルタ部の電源端子と電源と
の間に介在する電源スイツチとを含む混合装置。 When power is supplied, a signal is received from a transmission line that transmits at least television signals in the first and second frequency bands, the television signal in the first frequency band is extracted, and the television signal in the second frequency band or the television signal in the first frequency band is extracted. A converter section that converts the frequency into a television signal in the adjacent frequency band above this, and a frequency characteristic that allows the television signal in the second frequency band to pass when the signal is received from the transmission path and power is not supplied, and power is supplied. a filter section that has a frequency characteristic that cuts off the television signal in the second frequency band when the television signal is in the second frequency band; A mixing device including a power switch interposed between the power terminal of the unit and the power source.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985159438U JPH0617389Y2 (en) | 1985-10-17 | 1985-10-17 | Mixing equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985159438U JPH0617389Y2 (en) | 1985-10-17 | 1985-10-17 | Mixing equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6268373U true JPS6268373U (en) | 1987-04-28 |
JPH0617389Y2 JPH0617389Y2 (en) | 1994-05-02 |
Family
ID=31083869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985159438U Expired - Lifetime JPH0617389Y2 (en) | 1985-10-17 | 1985-10-17 | Mixing equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0617389Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0534720U (en) * | 1991-10-11 | 1993-05-07 | デイエツクスアンテナ株式会社 | Mixer |
JP2011205701A (en) * | 2011-07-06 | 2011-10-13 | Synclayer Inc | Optical network unit and announcement broadcast system using optical network unit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5527744A (en) * | 1978-08-18 | 1980-02-28 | Michi Denshi Kogyo Kk | Television chargeable system with coin timer |
-
1985
- 1985-10-17 JP JP1985159438U patent/JPH0617389Y2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5527744A (en) * | 1978-08-18 | 1980-02-28 | Michi Denshi Kogyo Kk | Television chargeable system with coin timer |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0534720U (en) * | 1991-10-11 | 1993-05-07 | デイエツクスアンテナ株式会社 | Mixer |
JP2011205701A (en) * | 2011-07-06 | 2011-10-13 | Synclayer Inc | Optical network unit and announcement broadcast system using optical network unit |
Also Published As
Publication number | Publication date |
---|---|
JPH0617389Y2 (en) | 1994-05-02 |