JPH0355570U

JPH0355570U -

Info

Publication number: JPH0355570U
Application number: JP11659089U
Authority: JP
Priority date: 1989-10-05
Filing date: 1989-10-05
Publication date: 1991-05-29

Description

[Brief explanation of drawings]

第１図乃至第４図はこの考案に係る波形表示装
置の実施例を示し、第１図は実施例１の電磁偏向
型陰極線管による波形表示装置のブロツク図、第
２図Ａは入力信号と垂直ノコギリ波信号との関係
を示すグラフ、第２図ＢはＣＲＴ管面上の垂直掃
引波信号の掃引方向と輝点との関係を示す状態図
、第３図は実施例２のドツトマトリクスの表示装
置による波形表示装置のブロツク図、第４図は実
施例２のタイミングチヤート図である。第５図及
び、第６図は従来例を示し、第５図は従来例１の
電磁偏向型陰極線管による波形表示装置のブロツ
ク図、第６図は従来例２のドツトマトリクスの表
示装置による波形表示装置のブロツク図である。主な符号の説明、１……電磁偏向型陰極線管、
２……水平掃引用ノコギリ波発生装置、３……垂
直掃引用ノコギリ波発生装置、４，１１……コン
パレータ、５……ドツトマトリクス表示装置、６
……垂直シフトレジスタ、７……クロツク発振器
、８……水平シフトレジスタ、９……ノコギリ波
発振器、１０……掃引回路、１２……垂直アンプ
、１３……ドリガーパルス発生回路。 1 to 4 show an embodiment of a waveform display device according to this invention, FIG. 1 is a block diagram of a waveform display device using an electromagnetic deflection type cathode ray tube according to embodiment 1, and FIG. 2A shows an input signal and a waveform display device. A graph showing the relationship with the vertical sawtooth wave signal, FIG. 2B is a state diagram showing the relationship between the sweep direction of the vertical sweep wave signal on the CRT screen and the bright spot, and FIG. FIG. 4 is a block diagram of a waveform display device using a display device, and is a timing chart of the second embodiment. 5 and 6 show conventional examples, FIG. 5 is a block diagram of a waveform display device using an electromagnetic deflection type cathode ray tube of conventional example 1, and FIG. 6 is a waveform of a dot matrix display device of conventional example 2. FIG. 2 is a block diagram of a display device. Explanation of main symbols, 1... Electromagnetic deflection type cathode ray tube,
2... Sawtooth wave generator for horizontal sweep, 3... Sawtooth wave generator for vertical sweep, 4, 11... Comparator, 5... Dot matrix display device, 6
... Vertical shift register, 7 ... Clock oscillator, 8 ... Horizontal shift register, 9 ... Sawtooth wave oscillator, 10 ... Sweep circuit, 12 ... Vertical amplifier, 13 ... Drigger pulse generation circuit.

Claims

[Scope of Claim for Utility Model Registration] 1. In a waveform display device consisting of a cathode ray tube, a horizontal sweep sawtooth wave generator, and a vertical sweep sawtooth wave generator, the vertical sweep output from the vertical sweep sawtooth wave generator A waveform display device comprising: a comparator for comparing a reference sawtooth wave signal with an input signal; the output signal of the comparator is input to a cathode ray tube, and the input signal is displayed on the cathode ray tube. 2. In a waveform display device consisting of a dot matrix display device, a horizontal shift register that determines the display position of dots, and a vertical shift register, a sawtooth wave generator outputs in synchronization with the vertical register, and this sawtooth wave generator. A comparator is provided to compare the sawtooth wave signal outputted from the input signal with the input signal, and the output signal of the comparator is inputted to a dot matrix display device so that the input signal is displayed on the dot matrix display device. Characteristic waveform display device.