JPH0357683U - - Google Patents

Info

Publication number
JPH0357683U
JPH0357683U JP11785989U JP11785989U JPH0357683U JP H0357683 U JPH0357683 U JP H0357683U JP 11785989 U JP11785989 U JP 11785989U JP 11785989 U JP11785989 U JP 11785989U JP H0357683 U JPH0357683 U JP H0357683U
Authority
JP
Japan
Prior art keywords
circuit
video
level control
broadcasting
television receiver
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
Application number
JP11785989U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP11785989U priority Critical patent/JPH0357683U/ja
Publication of JPH0357683U publication Critical patent/JPH0357683U/ja
Pending legal-status Critical Current

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  • Waveguides (AREA)
  • Radar Systems Or Details Thereof (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本考案の一実施例を示す回路図、第
２図は、従来のＣＡＴＶ用受信機を示す回路図、
及び第３図は第１図の説明に供する為の波形図で
ある。 ２……ＶＩＦ増幅回路、３……検波回路、１１
……デイスクランブル回路、１２……レベルシフ
ト回路、１３……第２スイツチ、１４……ノイズ
除去回路。 FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is a circuit diagram showing a conventional CATV receiver,
and FIG. 3 are waveform diagrams for explaining FIG. 1. 2...VIF amplifier circuit, 3...detection circuit, 11
... Descramble circuit, 12 ... Level shift circuit, 13 ... Second switch, 14 ... Noise removal circuit.

Claims (1)

【実用新案登録請求の範囲】 (1) スクランブル変調されたＣＡＴＶ放送用の
映像信号及び、ＴＶ放送用の映像信号を検波する
映像検波回路と、 該映像検波回路の検波出力をレベル制御するレ
ベル制御回路と、 該レベル制御回路の出力信号をデイスクランブ
ルするデイスクランブル回路と、 前記レベル制御回路及び前記デイスクランブル
回路の出力信号を切換出力する選択回路と、 該選択回路の出力信号中のノイズを除去するノ
イズ除去回路と、 から成りＣＡＴＶ放送を受信可能としたことを
特徴とするテレビジヨン受像機。 (2) スクランブル変調されたＣＡＴＶ放送用の
映像信号及び、ＴＶ放送用の映像信号を増幅し、
前記映像検波回路に印加するＶＩＦ増幅回路と、 前記レベル制御回路又は前記デイスクランブル
回路の出力信号をピーク検波するピーク検波回路
と、 を備え、前記ピーク検波回路の出力信号に応じ
て前記ＶＩＦ増幅回路の利得を制御するようにし
たことを特徴とする請求項第(1)項記載のテレビ
ジヨン受像機。[Claims for Utility Model Registration] (1) A video detection circuit that detects a scramble-modulated video signal for CATV broadcasting and a video signal for TV broadcasting, and a level control that controls the level of the detection output of the video detection circuit. a descrambler circuit that descrambles the output signal of the level control circuit; a selection circuit that switches output signals of the level control circuit and the descrambler circuit; and a selection circuit that removes noise in the output signal of the selection circuit. What is claimed is: 1. A television receiver comprising: a noise removal circuit that performs a noise reduction circuit; (2) Amplify scramble-modulated video signals for CATV broadcasting and video signals for TV broadcasting,
a VIF amplifier circuit that applies voltage to the video detection circuit; and a peak detection circuit that peak-detects the output signal of the level control circuit or the descrambler circuit; 2. The television receiver according to claim 1, wherein the gain of the television receiver is controlled.
JP11785989U 1989-10-05 1989-10-05 Pending JPH0357683U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11785989U JPH0357683U (en) 1989-10-05 1989-10-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11785989U JPH0357683U (en) 1989-10-05 1989-10-05

Publications (1)

Publication Number Publication Date
JPH0357683U true JPH0357683U (en) 1991-06-04

Family

ID=31666058

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11785989U Pending JPH0357683U (en) 1989-10-05 1989-10-05

Country Status (1)

Country Link
JP (1) JPH0357683U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61772A (en) * 1984-06-13 1986-01-06 Mitsubishi Agricult Mach Co Ltd Sensor apparatus
JPS61255101A (en) * 1985-05-01 1986-11-12 ホランドセ　シグナールアパラーテン　ベスローテン　フェンノートシャップ Waveguide universal joint

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61772A (en) * 1984-06-13 1986-01-06 Mitsubishi Agricult Mach Co Ltd Sensor apparatus
JPS61255101A (en) * 1985-05-01 1986-11-12 ホランドセ　シグナールアパラーテン　ベスローテン　フェンノートシャップ Waveguide universal joint

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