JPH01128293U

JPH01128293U -

Info

Publication number: JPH01128293U
Application number: JP2169588U
Authority: JP
Priority date: 1988-02-19
Filing date: 1988-02-19
Publication date: 1989-09-01

Description

[Brief explanation of the drawing]

図面は本考案の一実施例を示すものであり、第
１図は文字発生装置のブロツク図、第２図Ａは正
負の正弦波、同Ｂは正負の余弦波、同Ｃは直流電
圧をそれぞれ示す図、第３図Ａは水平軸制御回路
を介して形成される波形の図、同Ｂは垂直軸制御
回路を介して形成される波形の図である。１：メモリ、２：ブラウン管、３：文字パター
ン発生回路、５：輝度制御回路、６：電圧発生回
路、７：水平軸制御回路、８：垂直軸制御回路、
９，９ａ：発振回路。 The drawings show an embodiment of the present invention. Fig. 1 is a block diagram of a character generator, Fig. 2 A shows a positive and negative sine wave, B shows a positive and negative cosine wave, and C shows a DC voltage. 3A is a diagram of a waveform formed via a horizontal axis control circuit, and FIG. 3B is a diagram of a waveform formed via a vertical axis control circuit. 1: memory, 2: cathode ray tube, 3: character pattern generation circuit, 5: brightness control circuit, 6: voltage generation circuit, 7: horizontal axis control circuit, 8: vertical axis control circuit,
9, 9a: Oscillation circuit.

補正昭６３．５．２８図面の簡単な説明を次のように補正する。Correction 1986.5.28 The brief description of the drawing has been amended as follows.

【図面の簡単な説明】図面は本考案の一実施例を示すものであり、第
１図は文字発生装置のブロツク図、第２図Ａは正
負の正弦波、同Ｂは正負の余弦波、同Ｃは直流電
圧をそれぞれ示す図、第３図Ａは水平軸制御回路
を介して形成される波形の図、同Ｂは垂直軸制御
回路を介して形成される波形の図、同Ｃは前記水
平軸制御回路及び垂直軸制御回路を介して形成さ
れる波形により表示される文字の図である。１：メモリ、２：ブラウン管、３：文字パター
ン発生回路、５：輝度制御回路、６：電圧発生回
路、７：水平軸制御回路、８：垂直軸制御回路、
９，９ａ：発振回路。[BRIEF DESCRIPTION OF THE DRAWINGS] The drawings show one embodiment of the present invention, in which Fig. 1 is a block diagram of a character generator, Fig. 2 A shows positive and negative sine waves, and Fig. 2 B shows positive and negative cosine waves. 3C is a diagram showing the DC voltage, FIG. 3A is a diagram of the waveform formed through the horizontal axis control circuit, FIG. 3B is a diagram of the waveform formed through the vertical axis control circuit, and FIG. FIG. 3 is a diagram of characters displayed by waveforms formed via a horizontal axis control circuit and a vertical axis control circuit. 1: memory, 2: cathode ray tube, 3: character pattern generation circuit, 5: brightness control circuit, 6: voltage generation circuit, 7: horizontal axis control circuit, 8: vertical axis control circuit,
9, 9a: Oscillation circuit.

Claims

[Claims for Utility Model Registration] Input signals are stored in a memory with a capacity equivalent to one screen of a cathode ray tube, and signals corresponding to one character are sent to a character pattern generation circuit to generate a character video signal. A character display device that supplies a video signal and displays characters on a screen, which includes a memory having a capacity for one screen of the cathode ray tube, and a character pattern that receives character signals sent from the memory for each character. a horizontal axis control circuit and a vertical axis control circuit that combine a sine wave, a cosine wave, and a DC voltage from the character pattern generation circuit to generate a horizontal axis waveform and a vertical axis waveform, respectively;
a voltage generation circuit that generates the positive and negative sine waves, positive and negative cosine waves, and positive and negative DC voltages; a brightness control circuit that controls the brightness of one character based on the character video signal from the character pattern generation circuit; and the horizontal axis control. It is composed of a cathode ray tube into which signals from a circuit, a vertical axis control circuit, and a brightness control circuit are input, and generates horizontal and vertical axis drive waveforms via the positive and negative sine waves, positive and negative cosine waves, and positive and negative DC voltages. A character display device characterized in that a part of the drive waveform is applied to the other party in a superimposed manner. The input signal is stored in a memory with a capacity equivalent to one screen of a cathode ray tube, the signal for each character is sent to a character pattern generation circuit to generate a character video signal, and the character video signal is supplied to the cathode ray tube, A character display device for displaying characters on a screen, comprising a memory having a capacity for one screen of the cathode ray tube, a character pattern generation circuit that receives character signals sent from the memory for each character, and a character pattern generation circuit for generating the character pattern. A horizontal axis control circuit and a vertical axis control circuit that combine sine waves, cosine waves and DC voltage from the circuit to generate horizontal axis waveforms and vertical axis waveforms, respectively;
An oscillation circuit for giving a slight amplitude to the sine waves and cosine waves, which is interposed between the horizontal axis control circuit and the vertical axis control circuit and a cathode ray tube (described later), A voltage generation circuit that generates a DC voltage, a brightness control circuit that controls the brightness of one character using a character video signal from the character pattern generation circuit, and signals from the horizontal axis control circuit, vertical control circuit, and brightness control circuit. It is composed of an input cathode ray tube, and is applied as horizontal and vertical axis drive waveforms via the positive and negative sine waves, positive and negative cosine waves, and positive and negative DC voltages, and also superimposes a part of the drive waveform on the other side. A character display device characterized in that it applies an image with