JPH0787412A - Broadcast signal receiver - Google Patents
Broadcast signal receiverInfo
- Publication number
- JPH0787412A JPH0787412A JP5189273A JP18927393A JPH0787412A JP H0787412 A JPH0787412 A JP H0787412A JP 5189273 A JP5189273 A JP 5189273A JP 18927393 A JP18927393 A JP 18927393A JP H0787412 A JPH0787412 A JP H0787412A
- Authority
- JP
- Japan
- Prior art keywords
- broadcast signal
- signal
- oscillator
- channel
- broadcast
- 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
Landscapes
- Television Signal Processing For Recording (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は放送信号受信装置に関
し、例えばテレビジヨン放送を受信し得るビデオテープ
レコーダに適用して好適なものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a broadcast signal receiving apparatus, and is suitable for application to, for example, a video tape recorder capable of receiving television broadcasting.
【０００２】[0002]
【従来の技術】従来、ビデオテープレコーダにおいて
は、テレビジヨン放送を受信するチユーナを内蔵し、所
定チヤンネルのテレビジヨン信号を磁気テープ上に録画
し得るようになされたものがある。またビデオテープレ
コーダにおいては、ＲＦモジユレータを内蔵し、磁気テ
ープを再生して得られるビデオ信号やオーデイオ信号を
直接出力することに加えて、空きチヤンネルのテレビジ
ヨン放送信号に変換して出力するものがある。2. Description of the Related Art Conventionally, some video tape recorders have a built-in tuner for receiving television broadcasts and can record a television channel signal of a predetermined channel on a magnetic tape. In addition, in a video tape recorder, in addition to directly outputting a video signal and an audio signal obtained by reproducing a magnetic tape by incorporating an RF modulator, a video tape recorder which converts and outputs to a television broadcasting signal of an empty channel is available. is there.
【０００３】これによりビデオ信号やオーデイオ信号の
入力用に専用の端子を持たない簡易なテレビジヨン受像
機においても、所定の空きチヤネンルを受信することに
より、ビデオテープレコーダで再生したビデオ信号やオ
ーデイオ信号を視聴し得るようになされ、ユーザの使い
勝手を向上し得る。As a result, even in a simple television receiver which does not have a dedicated terminal for inputting a video signal or an audio signal, the video signal or audio signal reproduced by the video tape recorder is received by receiving a predetermined empty channel. Can be viewed and the usability for the user can be improved.
【０００４】[0004]
【発明が解決しようとする課題】ところで従来のビデオ
テープレコーダにおけるＲＦモジユレータでは、共振回
路を有する発振器が用いられており、その分構成が複雑
になると共に、製造時やメンテナンス時に調整箇所が多
くなる問題があつた。By the way, in the RF modulator in the conventional video tape recorder, an oscillator having a resonance circuit is used, which complicates the configuration and increases the number of adjustment points during manufacturing and maintenance. There was a problem.
【０００５】このためＲＦモジユレータの発振器とチユ
ーナの発振器の一部又は全部を共用することができれ
ば、ビデオテープレコーダの構成を一段と簡略化し得る
と共に、その分調整箇所も削減し得ることにより、有用
性を一段と向上し得ると考えらえる。Therefore, if a part or all of the RF modulator oscillator and the tuner oscillator can be shared, the structure of the video tape recorder can be further simplified and the number of adjustment points can be reduced accordingly, which is useful. It can be thought that it can be further improved.
【０００６】本発明は以上の点を考慮してなされたもの
で、発振器の一部又は全部を共用して構成を一段と簡略
化し得る放送信号受信装置を提案しようとするものであ
る。The present invention has been made in view of the above points, and an object thereof is to propose a broadcast signal receiving apparatus which can share a part or all of an oscillator to further simplify the configuration.
【０００７】[0007]
【課題を解決するための手段】かかる課題を解決するた
め本発明においては、放送信号Ｓ1 を受信し、その放送
信号Ｓ1 中の所定のチヤンネルを選局して受信信号Ｓ2
として出力する選局手段５と、入力信号ＶPB、ＡPBを任
意のチヤンネルの放送信号Ｓ10に変換して出力する放送
信号変調手段１２と、選局手段５及び放送信号変調手段
１２にそれぞれ内蔵された発振器５Ａ、１２Ａの発振周
波数を選択的に制御するＰＬＬ手段９とを設けるように
した。In order to solve such a problem, in the present invention, a broadcast signal S 1 is received, a predetermined channel in the broadcast signal S 1 is selected, and a received signal S 2 is received.
To the channel selection means 5 and the broadcast signal modulation means 12 for converting the input signals V PB and A PB into broadcast signals S 10 of arbitrary channels and outputting them. The PLL means 9 for selectively controlling the oscillation frequencies of the built-in oscillators 5A and 12A is provided.
【０００８】また本発明においては、放送信号Ｓ1 を受
信し、その放送信号Ｓ1 中の所定のチヤンネルを選局し
て受信信号Ｓ2 として出力する選局手段２１と、入力信
号ＶPB、ＡPBを任意のチヤンネルの放送信号Ｓ10に変換
して出力する放送信号変調手段２２と、選局手段２１の
選局用の発振周波数信号ＳOSC 及び放送信号変調手段２
２の変調用の発振周波数信号ＳOSC を選択的に発振する
発振器２１Ｄとを設けるようにした。[0008] In the present invention receives a broadcast signal S 1, a channel selection unit 21 for outputting a predetermined channel of the broadcast signal S in 1 as tuned to received signal S 2, the input signal V PB, A broadcast signal modulating means 22 for converting A PB into a broadcast signal S 10 of an arbitrary channel and outputting it, an oscillation frequency signal S OSC for tuning of the tuning means 21 and a broadcast signal modulating means 2
The oscillator 21D that selectively oscillates the oscillation frequency signal S OSC for modulation of 2 is provided.
【０００９】[0009]
【作用】ＰＬＬ手段９で選局手段５及び放送信号変調手
段１２にそれぞれ内蔵された発振器５Ａ、１２Ａの発振
周波数を選択的に制御したり、発振器２１Ｄで選局手段
２１の選局用の発振周波数信号ＳOSC 及び放送信号変調
手段２２の変調用の発振周波数信号ＳOSC を選択的に発
振するようにしたことにより、発振器の一部又は全部を
共用して構成を一段と簡略化し得る。The PLL means 9 selectively controls the oscillation frequencies of the oscillators 5A and 12A built in the tuning means 5 and the broadcast signal modulating means 12, respectively, and the oscillator 21D oscillates the tuning means 21 for tuning. By selectively oscillating the oscillating frequency signal S OSC for modulating the frequency signal S OSC and the broadcast signal modulating means 22, a part or all of the oscillator can be shared and the configuration can be further simplified.
【００１０】[0010]
【実施例】以下図面について、本発明の一実施例を詳述
する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.
【００１１】（１）第１の実施例 図１において、１は全体としてビデオテープレコーダの
テレビジヨン放送受信部を示し、アンテナ２で受信され
たテレビジヨン放送波Ｓ1 は、分配器３及びオン状態の
スイツチ回路４を通じてチユーナ５に入力される。(1) First Embodiment In FIG. 1, reference numeral 1 denotes a television broadcast receiver of a video tape recorder as a whole, and a television broadcast wave S 1 received by an antenna 2 is distributed to a distributor 3 and an on-device. It is input to the tuner 5 through the switch circuit 4 in the state.
【００１２】チユーナ５ではオシレータ（ＯＳＣ）５Ａ
の発振周波数に応じて、テレビジヨン放送波より所望チ
ヤンネルのテレビジヨン放送が選局され、この結果得ら
れる中間周波数信号Ｓ2 が映像／音声中間周波数処理回
路（ＶＩＦ／ＳＩＦ）６に入力される。映像／音声中間
周波数処理回路６より得られる映像信号ＳV は、ビデオ
テープレコーダの録画処理部（図示せず）に送出され、
音声信号ＳA は音声多重復調回路で復調処理され、この
結果得られる音声信号ＳA1及びＳA2が録画処理部に送出
される。In the tuner 5, the oscillator (OSC) 5A
A desired television broadcast channel is selected from the television broadcast wave in accordance with the oscillation frequency of, and the resulting intermediate frequency signal S 2 is input to the video / audio intermediate frequency processing circuit (VIF / SIF) 6. . The video signal S V obtained from the video / audio intermediate frequency processing circuit 6 is sent to a recording processing unit (not shown) of the video tape recorder,
The audio signal S A is demodulated by the audio multiplex demodulation circuit, and the resulting audio signals S A1 and S A2 are sent to the recording processing unit.
【００１３】ここでチユーナ５のおける選局動作は、ユ
ーザのキー入力ＫＩをマイコン８が処理してフエーズロ
ツクドループ（ＰＬＬ）９に制御信号Ｃ1 を送出し、こ
れによりＰＬＬ９の分周比を制御してオシレータ５Ａの
発振周波数を設定することにより、ユーザが所望するチ
ヤンネルを選局し得るようになされている。In the channel selection operation in the tuner 5, the microcomputer 8 processes the user's key input KI and sends the control signal C1 to the phase locked loop (PLL) 9, whereby the frequency division ratio of the PLL 9 is changed. By controlling and setting the oscillation frequency of the oscillator 5A, the channel desired by the user can be selected.
【００１４】ここでこのビデオテープレコーダ１では、
チユーナ５のオシレータ５Ａの発振周波数信号Ｓ
OSC1が、第１の選択回路１０の第１の入力端ａ及び出力
端ｃを通じてＰＬＬ９に入力される。またＰＬＬ９より
出力される制御電圧Ｖt が第２の選択回路１１の入力端
ａ及び第１の出力端ｂを通じてチユーナ５のオシレータ
５Ａに入力され、これによりＰＬＬ９によつてオシレー
タ５Ａの発振周波数が制御される。Here, in this video tape recorder 1,
Oscillation frequency signal S of the oscillator 5A of the tuner 5
OSC1 is input to the PLL 9 through the first input terminal a and the output terminal c of the first selection circuit 10. Further, the control voltage V t output from the PLL 9 is input to the oscillator 5A of the tuner 5 through the input terminal a and the first output terminal b of the second selection circuit 11, whereby the oscillation frequency of the oscillator 5A is controlled by the PLL 9. Controlled.
【００１５】またこのビデオテープレコーダ１の場合、
磁気テープを再生して得られる再生映像信号ＶPB及び再
生音声信号ＡPBは、専用の出力端子（図示せず）より送
出されることに加えて、ＲＦモジユレータ１２に入力さ
れ、オシレータ（ＯＳＣ）１３Ａの発振周波数に応じ
て、テレビジヨン放送波の空きチヤンネルのテレビジヨ
ン信号Ｓ10に変換される。このテレビジヨン信号Ｓ
10は、テレビジヨン放送の受信時は分配器３を通じて得
られるテレビジヨン放送波Ｓ1 が第１の入力端ａに入力
される第３の選択回路１３の第２の入力端ｂ及び出力端
ｃを通じてテレビジヨン受像機（図示せず）に送出され
る。In the case of this video tape recorder 1,
The reproduced video signal V PB and the reproduced audio signal A PB obtained by reproducing the magnetic tape are transmitted from a dedicated output terminal (not shown), and are also input to the RF modulator 12 to generate an oscillator (OSC). In accordance with the oscillation frequency of 13 A, the television broadcasting signal is converted into a television broadcasting signal S 10 of an empty channel. This television signal S
Reference numeral 10 denotes a second input terminal b and an output terminal c of the third selection circuit 13 to which the television broadcasting wave S 1 obtained through the distributor 3 is input to the first input terminal a when receiving the television broadcasting. Through a television receiver (not shown).
【００１６】この第１、第２、第３の選択回路１０、１
１、１３とスイツチ回路４とは、テープ再生検出信号Ｓ
A によつて磁気テープの再生を検出したタイミングで制
御され、それぞれ第１の入力端ａから第２の入力端ｂ
へ、第１の出力端ｂから第２の出力端ｃへ、第１の入力
端ａから第２の入力端ｂへ、オン状態からオフ状態へ切
り換えられる。The first, second and third selection circuits 10, 1
1 and 13 and the switch circuit 4 connect the tape reproduction detection signal S
It is controlled at the timing of detecting a playback by connexion magnetic tape A, a second input from the first input terminal a, respectively b
From the first output end b to the second output end c, from the first input end a to the second input end b, the on state is switched to the off state.
【００１７】この状態でＲＦモジユレータ１２のオシレ
ータ１２Ａの発振周波数信号ＳOSC2が、第１の選択回路
１０の第２の入力端ｂ及び出力端ｃを通じてＰＬＬ９に
入力される。またＰＬＬ９より出力される制御電圧Ｖt
が第２の選択回路１１の入力端ａ及び第２の出力端ｃを
通じてＲＦモジユレータ１２のオシレータ１２Ａに入力
され、これによりＰＬＬ９によつてオシレータ１２Ａの
発振周波数が安定するように制御される。In this state, the oscillation frequency signal S OSC2 of the oscillator 12A of the RF modulator 12 is input to the PLL 9 through the second input terminal b and the output terminal c of the first selection circuit 10. Further, the control voltage V t output from the PLL 9
Is input to the oscillator 12A of the RF modulator 12 through the input terminal a and the second output terminal c of the second selection circuit 11, and is controlled by the PLL 9 so that the oscillation frequency of the oscillator 12A is stabilized.
【００１８】以上の構成によれば、チユーナ５のオシレ
ータ５ＡとＲＦモジユレータ１２のオシレータ１２Ａと
をＰＬＬ９によつて選択的に制御するようにしたことに
より、構成を一段と簡略化し得ると共にその分調整箇所
等も減らすことができ、有用性の高いビデオテープレコ
ーダ１を実現できる。According to the above configuration, the oscillator 5A of the tuner 5 and the oscillator 12A of the RF modulator 12 are selectively controlled by the PLL 9, so that the configuration can be further simplified and the adjustment points can be adjusted accordingly. Etc. can be reduced, and a highly useful video tape recorder 1 can be realized.
【００１９】（２）第２の実施例 図１との対応部分に同一符号を付して示す図２におい
て、２０は全体としてビデオテープレコーダのテレビジ
ヨン放送受信部を示し、チユーナ２１のミキサー回路
（ＭＩＸ）２１Ｂ及びオシレータ（ＯＳＣ）２１Ｃの間
に、切換回路２１Ｄを設けている。(2) Second Embodiment In FIG. 2 in which parts corresponding to those in FIG. 1 are designated by the same reference numerals, 20 indicates a television broadcast receiving section of a video tape recorder as a whole, and a mixer circuit of a tuner 21. A switching circuit 21D is provided between the (MIX) 21B and the oscillator (OSC) 21C.
【００２０】実際上、テレビジヨン放送波Ｓ1 の受信時
は、切換回路２１Ｄの第１の出力端ｂが選択されて、オ
シレータ２１Ｃの発振周波数信号Ｓosc がミキサー回路
２１Ｂに送出され、これにより所望のチヤンネルのテレ
ビジヨン信号を選局し得るようになされている。[0020] In practice, when the received television broadcast wave S 1 is selected first output terminal b of the switching circuit 21D, the oscillation frequency signal S osc of the oscillator 21C is sent to the mixer circuit 21B, thereby It is designed so that a desired channel television signal can be selected.
【００２１】また磁気テープの再生時には、切換回路２
１Ｄの第２の出力端ａが選択されて、オシレータ２１Ｃ
の発振周波数信号Ｓosc がＲＦモジユレータ２２に送出
され、これにより磁気テープを再生して得られる再生映
像信号ＶPB及び再生音声信号ＡPBを、テレビジヨン放送
波の空きチヤンネルのテレビジヨン信号Ｓ10に変換して
送出し得るようになされている。When reproducing the magnetic tape, the switching circuit 2
The second output end a of 1D is selected, and the oscillator 21C
Of the oscillating frequency signal S osc is transmitted to the RF modulator 22, and the reproduced video signal V PB and the reproduced audio signal A PB obtained by reproducing the magnetic tape are generated by the television signal S 10 of the empty channel of the television broadcast wave. It is designed so that it can be transmitted after being converted into.
【００２２】以上の構成によれば、チユーナ２１のオシ
レータ２１Ｄで選局用の発振周波数信号ＳOSC 及びＲＦ
モジユレータ２２の変調用の発振周波数信号ＳOSC を選
択的に発振するようにしたことにより、オシレータ２１
Ｄを共用して構成を一段と簡略化し得ると共にその分調
整箇所等も減らすことができ、有用性の高いビデオテー
プレコーダ２０を実現できる。According to the above configuration, the oscillator 21D of the tuner 21 selects the oscillation frequency signals S OSC and RF for tuning.
By selectively oscillating the oscillation frequency signal S OSC for modulation of the modulator 22, the oscillator 21
The video tape recorder 20 having high utility can be realized because the configuration can be further simplified by sharing D and the adjustment points can be reduced accordingly.
【００２３】（３）他の実施例 なお上述の実施例においては、チユーナ及びＰＬＬを別
の回路として示したが、チユーナの基板又は集積回路上
にＰＬＬを配置するようにしても良く、さらに同様にＲ
Ｆモジユレータも同一の基板又は集積回路上に配置する
ようにすれば、構成をさらに一段と簡略化し得る。(3) Other Embodiments Although the tuner and the PLL are shown as separate circuits in the above-described embodiments, the PLL may be arranged on the substrate or the integrated circuit of the tuner, and the same is true. To R
If the F modulator is also arranged on the same substrate or integrated circuit, the structure can be further simplified.
【００２４】また上述の実施例においては、本発明をビ
デオテープレコーダのテレビジヨン放送受信部に適用し
たが、本発明はこれに限らず、ビデオデイスクレコーダ
等のテレビジヨン放送受信部に適用しても良く、さらに
録画装置に内蔵されたものに限らず、テレビジヨン放送
受信機に適用しても上述の実施例と同様の効果を得るこ
とができる。Further, although the present invention is applied to the television broadcasting receiving section of the video tape recorder in the above-mentioned embodiments, the present invention is not limited to this, but is applied to the television broadcasting receiving section of the video disc recorder. Further, the same effect as that of the above-described embodiment can be obtained not only when it is incorporated in the recording device but also when it is applied to a television broadcasting receiver.
【００２５】さらに上述の実施例では、本発明をテレビ
ジヨン放送を受信するものに適用した場合について述べ
たが、本発明はこれに限らず、要は放送波を受信する選
局手段と入力信号を放送波に変換して出力する変調手段
を有するものであれば、例えばＦＭ放送等の放送信号受
信装置に広く適用して好適なものである。Further, in the above-mentioned embodiment, the case where the present invention is applied to the one for receiving television broadcasting is described, but the present invention is not limited to this, and the point is that the channel selecting means for receiving the broadcast wave and the input signal. It is suitable for wide application to a broadcast signal receiving device such as FM broadcast, as long as it has a modulation means for converting the signal into a broadcast wave and outputting it.
【００２６】[0026]
【発明の効果】上述のように本発明によれば、ＰＬＬ手
段で選局手段及び放送信号変調手段にそれぞれ内蔵され
た発振器の発振周波数を選択的に制御したり、発振器で
選局手段の選局用の発振周波数信号及び放送信号変調手
段の変調用の発振周波数信号を選択的に発振するように
したことにより、発振器の一部又は全部を共用して構成
を一段と簡略化し得る放送信号受信装置を実現できる。As described above, according to the present invention, the PLL means selectively controls the oscillation frequencies of the oscillators incorporated in the channel selecting means and the broadcast signal modulating means, and the oscillator selects the channel selecting means. By selectively oscillating the oscillating frequency signal for the station and the oscillating frequency signal for modulation of the broadcast signal modulating means, the broadcast signal receiving apparatus can share a part or all of the oscillator and further simplify the configuration. Can be realized.
【図１】本発明による放送信号受信装置の第１の実施例
を示すブロツク図である。FIG. 1 is a block diagram showing a first embodiment of a broadcast signal receiving apparatus according to the present invention.
【図２】本発明による放送信号受信装置の第２の実施例
を示すブロツク図である。FIG. 2 is a block diagram showing a second embodiment of the broadcast signal receiving apparatus according to the present invention.
【符号の説明】 １、２０……ビデオテープレコーダ、２……アンテナ、
３……分配器、４……スイツチ回路、５、２１……チユ
ーナ、６……映像／音声中間周波数処理回路、７……音
声多重復調回路、８……マイコン、９……ＰＬＬ、１
０、１１、１３、２１Ｄ……切換回路、１２、２２……
ＲＦモジユレータ。[Explanation of symbols] 1, 20 ... video tape recorder, 2 ... antenna,
3 ... Distributor, 4 ... Switch circuit, 5,21 ... Tuner, 6 ... Video / audio intermediate frequency processing circuit, 7 ... Voice multiplex demodulation circuit, 8 ... Microcomputer, 9 ... PLL, 1
0, 11, 13, 21D ... Switching circuit, 12, 22 ...
RF module.
Claims (3)
のチヤンネルを選局して受信信号として出力する選局手
段と、 入力信号を任意のチヤンネルの上記放送信号に変換して
出力する放送信号変調手段と、 上記選局手段及び上記放送信号変調手段にそれぞれ内蔵
された発振器の発振周波数を選択的に制御するＰＬＬ手
段とを具えることを特徴とする放送信号受信装置。1. A channel selecting means for receiving a broadcast signal, selecting a predetermined channel in the broadcast signal and outputting it as a received signal, and converting an input signal into the broadcast signal of an arbitrary channel and outputting it. A broadcast signal receiving device comprising: a broadcast signal modulating means; and a PLL means for selectively controlling an oscillation frequency of an oscillator incorporated in each of the channel selecting means and the broadcast signal modulating means.
のチヤンネルを選局して受信信号として出力する選局手
段と、 入力信号を任意のチヤンネルの上記放送信号に変換して
出力する放送信号変調手段と、 上記選局手段の選局用の発振周波数信号及び上記放送信
号変調手段の変調用の発振周波数信号を選択的に発振す
る発振器とを具えることを特徴とする放送信号受信装
置。2. A channel selection means for receiving a broadcast signal, selecting a predetermined channel in the broadcast signal and outputting the channel as a received signal, and converting an input signal into the broadcast signal of an arbitrary channel and outputting the broadcast signal. Broadcast signal reception, comprising: a broadcast signal modulating means; and an oscillator that selectively oscillates an oscillation frequency signal for tuning by the tuning means and an oscillation frequency signal for modulating by the broadcast signal modulating means. apparatus.
り、上記入力信号は所定の記録媒体を再生して得られる
再生信号でなることを特徴とする請求項１又は請求項２
に記載の放送信号受信装置。3. The broadcast signal is a television broadcast signal, and the input signal is a reproduction signal obtained by reproducing a predetermined recording medium.
The broadcast signal receiving device according to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5189273A JPH0787412A (en) | 1993-06-30 | 1993-06-30 | Broadcast signal receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5189273A JPH0787412A (en) | 1993-06-30 | 1993-06-30 | Broadcast signal receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0787412A true JPH0787412A (en) | 1995-03-31 |
Family
ID=16238562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5189273A Pending JPH0787412A (en) | 1993-06-30 | 1993-06-30 | Broadcast signal receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0787412A (en) |
-
1993
- 1993-06-30 JP JP5189273A patent/JPH0787412A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5321852A (en) | Circuit and method for converting a radio frequency signal into a baseband signal | |
| KR0157413B1 (en) | Receiver for terrestrial am and satellite fm-tv broadcasting signal | |
| KR100196250B1 (en) | Rf modulator | |
| US5995169A (en) | SIF signal processing circuit | |
| US6353462B1 (en) | Television signal and FM broadcast signal demodulator and television signal and FM broadcast signal receiver | |
| GB2102229A (en) | Television sound receivers | |
| JPH0787412A (en) | Broadcast signal receiver | |
| JP2553219B2 (en) | RF modulator and video cassette recorder incorporating the same | |
| JPS6132852B2 (en) | ||
| KR970004909Y1 (en) | Tv receiver of vcr rf output signal | |
| KR100506733B1 (en) | Analog/digital television tuner | |
| KR100288787B1 (en) | Tuning apparatus using common oscillator | |
| JPH1022856A (en) | Broadcast receiver | |
| JP2809441B2 (en) | Satellite receiver | |
| JP2867412B2 (en) | Television broadcast receiver | |
| JP2880223B2 (en) | Television receiver | |
| JPH04139977A (en) | Magnetic recording and reproducing device | |
| JP2605751B2 (en) | Satellite broadcast receiver | |
| KR100213379B1 (en) | The high frequency decoding apparatus with transducing spec transform function | |
| JP2005079698A (en) | Channel selection apparatus | |
| KR0177666B1 (en) | Rf modulation circuit by pal method | |
| JPH0513067Y2 (en) | ||
| JPH0353819B2 (en) | ||
| JPH05161081A (en) | Rf modulator | |
| JP2002290866A (en) | Video signal receiver |