JPH0377569U

JPH0377569U -

Info

Publication number: JPH0377569U
Application number: JP13874889U
Authority: JP
Priority date: 1989-11-29
Filing date: 1989-11-29
Publication date: 1991-08-05

Description

[Brief explanation of drawings]

第１図は、この考案に係る静止画記録再生装置
の第１実施例を示す回路図である。第２図は、こ
の考案に係る静止画記録再生装置の第２実施例を
示す回路図である。第３図は、従来の静止画記録
再生装置の一例を示す回路図である。１……コンポジツト入力端子（コンポジツト信
号入力部）、２，３……Ｓ入力端子（コンポーネ
ント信号入力部）、４……Ｙ／Ｃ分離回路、５′
，８，８′……入力切換スイツチ、６，１５……
Ｙ信号処理回路、９……色差変換回路、１２……
データ転送コントロール回路（データ処理手段、
制御手段）、１６……ミキシング回路（信号ミキ
シング部）、１９……クロマ変換回路、２０……
第１のコンポジツト信号出力端子（第１のコンポ
ジツト信号出力部）、２１，２２……コンポーネ
ント信号出力端子（コンポーネント信号出力部）
、２３……第２のコンポジツト出力端子（第２の
コンポジツト信号出力部）、２５……出力切換ス
イツチ、Ｍ_１……第１のメモリ、Ｍ_２……第２の
メモリ。 FIG. 1 is a circuit diagram showing a first embodiment of a still image recording and reproducing apparatus according to this invention. FIG. 2 is a circuit diagram showing a second embodiment of the still image recording and reproducing apparatus according to the invention. FIG. 3 is a circuit diagram showing an example of a conventional still image recording and reproducing device. 1...Composite input terminal (composite signal input section), 2, 3...S input terminal (component signal input section), 4...Y/C separation circuit, 5'
, 8, 8'... Input selector switch, 6, 15...
Y signal processing circuit, 9... Color difference conversion circuit, 12...
Data transfer control circuit (data processing means,
control means), 16... mixing circuit (signal mixing section), 19... chroma conversion circuit, 20...
First composite signal output terminal (first composite signal output section), 21, 22...Component signal output terminal (component signal output section)
, 23...second composite output terminal (second composite signal output section), 25...output changeover switch, _M1 ...first memory, _M2 ...second memory.

Claims

[Claims for Utility Model Registration] (1) A Y/C separation circuit that separates and outputs the video signal input from the composite signal input section into luminance signal and chroma signal components, and separates the luminance signal and chroma signal components. an input luminance signal processing system and an input chroma signal processing system that individually process the luminance signal and chroma signal components and convert them into digital signal data; a memory for individually storing digital signal data; a data recording means for recording the data stored in the memory on a recording medium;
In a still image recording and reproducing apparatus comprising an input signal changeover switch that switches between a signal output from the C separation circuit and a signal inputted from the component signal input section and inputs the signal to both signal processing systems, the input signal changeover switch comprises: , the video signal input to the composite signal input section and the Y/
1. A still image recording and reproducing apparatus characterized in that a luminance signal from a C separation circuit can be switched and inputted to the input luminance signal processing system. (2) a data reading means for reading data recorded on a recording medium, a memory capable of digitally storing luminance signal and color difference signal data output from the data reading means as components, and luminance signal data stored in the memory; a reproduced luminance signal processing system for processing the chroma signal data stored in the memory, a signal mixing means for combining and outputting the signals from both the signal processing systems, and the signal In a still image recording and reproducing apparatus comprising a composite signal output section for extracting a composite signal from a mixing means and a component signal output section for individually outputting signals from both of the signal processing systems, the composite signal is output directly from the reproduction luminance signal processing system. A still image recording and reproducing device characterized in that it is provided with a second composite signal output section for extracting a signal. (3) A Y/C separation circuit that separates and outputs the video signal input from the composite signal input section into luminance signal and chroma signal components, and a component signal input section that inputs the luminance signal and chroma signal components separately. , an input luminance signal processing system and an input chroma signal processing system that separately process the components of the luminance signal and the chroma signal and convert them into digital signal data, and separately store the digital signal data from both the signal processing systems. a memory, a data processing means for recording data stored in the memory onto a recording medium, reading and reproducing the data recorded on the recording medium, a signal output from the Y/C separation circuit, and the component. In a still image recording and reproducing apparatus, the still image recording and reproducing apparatus includes an input signal switching switch that switches between a video signal input from a signal input section and input the signal to both signal processing systems, wherein the input signal switching switch switches between a video signal input from the composite signal input section and a signal input from the composite signal input section. signal and said Y/
A burst detection circuit is capable of switching between the luminance signal from the C separation circuit and inputting it to the input luminance signal processing system, and detects a burst signal of the video signal input to the signal processing system and outputs a burst detection signal. A still image recording and reproducing apparatus, wherein the data processing means records identification signal data at the beginning of the data recorded on the recording medium in response to the burst signal received by the burst detection circuit. (4) a data reading means for reading data recorded on a recording medium; a memory capable of digitally storing luminance signal and color difference signal data outputted from the data reading means as components; and luminance signal data stored in the memory. a reproduction luminance signal processing system for processing the chroma signal data stored in the memory, a reproduction chroma signal processing system for processing the chroma signal data stored in the memory, a signal mixing means for combining and outputting the signals from both the signal processing systems, and the signal A still image recording and reproducing device comprising a composite signal output section for extracting a composite signal from a mixing means, and a component signal output section for individually outputting signals from both of the signal processing systems, wherein a composite signal output from the mixing section is provided. and a composite signal outputted from the reproduction luminance signal processing system to the composite signal output section, and an output changeover switch is provided to switch and output the composite signal outputted from the reproduced luminance signal processing system, and the composite signal is an identification signal or video signal data at the beginning of the data read from the recording medium. 1. A still image recording and reproducing apparatus, further comprising a control means for determining whether the data is component data, outputting a switch switching signal, and controlling switching of the switching switch.