JPH0324786U - - Google Patents
Info
- Publication number
- JPH0324786U JPH0324786U JP1989085823U JP8582389U JPH0324786U JP H0324786 U JPH0324786 U JP H0324786U JP 1989085823 U JP1989085823 U JP 1989085823U JP 8582389 U JP8582389 U JP 8582389U JP H0324786 U JPH0324786 U JP H0324786U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- input
- broadcasting
- terminal
- output
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Television Signal Processing For Recording (AREA)
Description
第１図は本考案の実施例を示す入力信号選択電
気回路図、第２図は専用入力端子を具備した同実
施例を示す入力信号選択電気回路図である。
３，４，５……スイツチ、６……記録信号処理
回路、７，１０……アンドゲート回路、８……イ
ンバータ、９……オアゲート回路、Ａ……有料放
送（デスクランブル）選択信号、Ｂ……衛星放送
と地上放送との入力切換信号、Ｃ……ラインとチ
ユーナとの入力切換信号である。
FIG. 1 is an input signal selection electrical circuit diagram showing an embodiment of the present invention, and FIG. 2 is an input signal selection electrical circuit diagram showing the same embodiment equipped with a dedicated input terminal. 3, 4, 5... Switch, 6... Recording signal processing circuit, 7, 10... AND gate circuit, 8... Inverter, 9... OR gate circuit, A... Pay broadcast (descramble) selection signal, B . . . Input switching signal for satellite broadcasting and terrestrial broadcasting; C . . . Input switching signal for line and tuner.
Claims (1)
用チユーナ内蔵ビデオテープレコーダにおいて、
衛星放送受信用チユーナ出力を第１のスイツチに
接続し、地上放送受信用チユーナ出力を同第１の
スイツチの他方の端子に接続し、第１のライン入
力端子と第２のライン入力端子とをそれぞれ第２
のスイツチの端子に接続し、同第２のスイツチの
共通端子と前記第１のスイツチの共通端子とをそ
れぞれ第３のスイツチの端子に接続し、同第３の
スイツチの共通端子を記録信号処理回路に接続し
、衛星放送／地上放送切換信号と有料放送選択信
号とをそれぞれ第１の二入力のアンドゲート回路
入力に接続し、同第１のアンドゲート回路出力を
二入力オアゲート回路の一方の入力と第２の二入
力アンドゲート回路の一方の入力とに接続し、ラ
イン／チユーナ切換信号を同オアゲート回路の他
方の入力とインバータ入力とに接続し、同インバ
ータ出力を前記第２のアンドゲート回路の他方の
入力に接続し、前記第１と第２と第３のスイツチ
とをそれぞれ前記衛星放送／地上放送切換信号と
前記第２のアンドゲート回路出力信号と前記オア
ゲート回路出力信号とにより切換えて、衛星放送
、地上放送、有料放送、ライン入力信号を選択し
てなるビデオテープレコーダ。 (2) 衛星放送受信用チユーナ出力と有料放送入
力端子とをそれぞれ第１のスイツチに接続し、同
第１のスイツチの共通端子と地上放送受信用チユ
ーナ出力とをそれぞれ第２のスイツチの端子に接
続し、同第２のスイツチの共通端子とライン入力
端子とをそれぞれ第３のスイツチに接続し、同第
３のスイツチの共通端子を記録信号処理回路に接
続し、前記第１と第２と第３のスイツチとをそれ
ぞれ有料放送選択信号と衛星放送／地上放送切換
信号とライン／チユーナ切換信号とにより切換え
て、衛星放送、地上放送、有料放送、ライン入力
信号を選択してなる請求項(1)記載のビデオテー
プレコーダ。[Scope of claim for utility model registration] (1) In a videotape recorder with a built-in tuner for receiving satellite broadcasting with input/output terminals compatible with paid broadcasting,
Connect the tuner output for satellite broadcast reception to a first switch, connect the tuner output for terrestrial broadcast reception to the other terminal of the first switch, and connect the first line input terminal and the second line input terminal. 2nd each
The common terminal of the second switch and the common terminal of the first switch are respectively connected to the terminal of a third switch, and the common terminal of the third switch is used for recording signal processing. The satellite broadcasting/terrestrial broadcasting switching signal and the pay broadcasting selection signal are respectively connected to the first two-input AND gate circuit input, and the first AND gate circuit output is connected to one of the two-input OR gate circuits. input and one input of a second two-input AND gate circuit, a line/tuner switching signal is connected to the other input of the OR gate circuit and an inverter input, and the output of the inverter is connected to the second AND gate. connected to the other input of the circuit, and switches the first, second, and third switches by the satellite broadcast/terrestrial broadcast switching signal, the second AND gate circuit output signal, and the OR gate circuit output signal, respectively. A video tape recorder that selects satellite broadcasting, terrestrial broadcasting, pay broadcasting, and line input signals. (2) Connect the satellite broadcast reception tuner output and pay television input terminal to the first switch, and connect the common terminal of the first switch and the terrestrial broadcast reception tuner output to the terminals of the second switch. The common terminal and line input terminal of the second switch are connected to a third switch, and the common terminal of the third switch is connected to a recording signal processing circuit, and the first and second switches are connected to each other. A third switch is switched by a pay broadcast selection signal, a satellite broadcast/terrestrial broadcast switching signal, and a line/tuner switch signal, respectively, to select satellite broadcast, terrestrial broadcast, pay broadcast, and line input signal. 1) The videotape recorder described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989085823U JPH0324786U (en) | 1989-07-21 | 1989-07-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989085823U JPH0324786U (en) | 1989-07-21 | 1989-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0324786U true JPH0324786U (en) | 1991-03-14 |
Family
ID=31635147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989085823U Pending JPH0324786U (en) | 1989-07-21 | 1989-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0324786U (en) |
-
1989
- 1989-07-21 JP JP1989085823U patent/JPH0324786U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0324786U (en) | ||
| US4995079A (en) | Canal+ decoder switching circuit for video cassette recorders | |
| JPH02140667U (en) | ||
| JPH02126483U (en) | ||
| JPH0119212Y2 (en) | ||
| JPH0514622Y2 (en) | ||
| JPH0416508Y2 (en) | ||
| JPH0553376U (en) | RF modulator | |
| JPH0380689A (en) | Vtr incorporating satellite broadcast reception tuner | |
| KR950009454B1 (en) | 2-ferry jack system | |
| KR870002269Y1 (en) | Image signal automatic selection circuit of vtr | |
| JPH079272Y2 (en) | Video player | |
| KR0135476Y1 (en) | Signal input switching circuit for tvcr | |
| JPH0713326Y2 (en) | VCR for receiving scrambled broadcast | |
| JPH0756541Y2 (en) | RF modulator with built-in selector switch | |
| JP2798821B2 (en) | Video receiving circuit of television receiver | |
| KR960007568B1 (en) | Switching circuit for vcr | |
| JPS6325800Y2 (en) | ||
| JPH0392871U (en) | ||
| KR930001005Y1 (en) | Signal change circuit for vcr set containing monitor and vcr | |
| JPH0546386Y2 (en) | ||
| JPS63136783A (en) | Video tape recorder | |
| JPS58129777U (en) | television receiver | |
| JPS59144974U (en) | Television receiver channel selection circuit | |
| JPS6351430B2 (en) |