JPS596263U - Character quality measuring device - Google Patents
Character quality measuring deviceInfo
- Publication number
- JPS596263U JPS596263U JP9907282U JP9907282U JPS596263U JP S596263 U JPS596263 U JP S596263U JP 9907282 U JP9907282 U JP 9907282U JP 9907282 U JP9907282 U JP 9907282U JP S596263 U JPS596263 U JP S596263U
- Authority
- JP
- Japan
- Prior art keywords
- output
- sawtooth wave
- voltage
- paper surface
- wave generator
- 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
- Character Discrimination (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は本考案の実施例のブロック図、第2図a ”
eは第1図の動作波形図である。
図において、11.3・・・・・・発光源電源、2.3
・・・・・・発光素子、5.6・・・・・・受光素子、
7.8・・・・・・電圧増幅器、9,10・・・・・・
可変抵抗器、11・・・・・・鋸歯状波発生器、12・
・・・・・電圧比較器、13,14゜15、 16.
17. 18・・・・・・固定抵抗器、19゜20、
21. 22. 23・・・・・・電圧比較器、24.
。
25.26,27.28・・・・・・フリップフロップ
回路、29. 30. 31. 32. 33・・・・
・・発光表示器、34・・・・・・被測定用紙、である
。Fig. 1 is a block diagram of an embodiment of the present invention, Fig. 2 a ”
e is an operating waveform diagram of FIG. 1. In the figure, 11.3... Light source power supply, 2.3
...... light emitting element, 5.6... light receiving element,
7.8...Voltage amplifier, 9,10...
Variable resistor, 11... Sawtooth wave generator, 12.
...Voltage comparator, 13, 14° 15, 16.
17. 18...Fixed resistor, 19°20,
21. 22. 23... Voltage comparator, 24.
. 25.26, 27.28...Flip-flop circuit, 29. 30. 31. 32. 33...
. . . Light emitting indicator, 34 . . . Paper to be measured.
Claims (1)
光源と、この第1の発光源から基準となる背景用紙面に
反射した光を受ける第1の受光器と、前記第2の発光源
から測定すべき紙面に反射した光を受ける第2の受光器
と、連続的に鋸歯状波を形成する鋸歯状波発生器と、こ
の鋸歯状波発生器の出力と前記第1の受光器の出力とを
比較する第1の電圧比較手段と、前記鋸歯状波発生器の
出力を表示すべきステップ数に対応して分圧出力する分
圧手段と、この分圧手段の各分圧出力と前記第2の受光
器の出力とをそれぞれ比較する第2の電圧比較手段と、
前記第1の電圧比較手段の出力によりそれぞれセットさ
れ前記第2の電圧比較手段の各出力の状態をそれぞれ記
憶するレジスタと、このレジスタの出力を前記第2の電
圧比較手段の出力にそれぞれ対応して表示する表示手段
とを含み、前記紙面上の文字・記号の反射率割合を直読
測定することを特徴とする文字品質測定装置。first and second light emitting sources that illuminate the paper surface and are connected to a stable power source; a first light receiver that receives light reflected from the first light source onto the background paper surface that serves as a reference; a second light receiver that receives the light reflected from the light emitting source onto the paper surface to be measured; a sawtooth wave generator that continuously forms a sawtooth wave; the output of the sawtooth wave generator and the first light receiver; a first voltage comparing means for comparing the output of the sawtooth wave generator with the output of the sawtooth wave generator; a voltage dividing means for outputting divided voltages corresponding to the number of steps to display the output of the sawtooth wave generator; and each dividing voltage of the voltage dividing means. second voltage comparison means for respectively comparing the output and the output of the second light receiver;
a register that is set by the output of the first voltage comparison means and stores the state of each output of the second voltage comparison means; and a register whose output corresponds to the output of the second voltage comparison means. 1. A character quality measuring device comprising: a display means for displaying a character/symbol on the paper surface, and directly reading and measuring a reflectance ratio of characters/symbols on the paper surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9907282U JPS596263U (en) | 1982-06-30 | 1982-06-30 | Character quality measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9907282U JPS596263U (en) | 1982-06-30 | 1982-06-30 | Character quality measuring device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS596263U true JPS596263U (en) | 1984-01-14 |
Family
ID=30234941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9907282U Pending JPS596263U (en) | 1982-06-30 | 1982-06-30 | Character quality measuring device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS596263U (en) |
-
1982
- 1982-06-30 JP JP9907282U patent/JPS596263U/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS596263U (en) | Character quality measuring device | |
JPS59115357U (en) | resistance measuring device | |
JPS58177877U (en) | Normal operation display type digital voltmeter | |
JPS58177878U (en) | Digital voltmeter with phase rotation display | |
JPS5768047A (en) | Probe card | |
JPS59166181U (en) | classification device | |
JPS6076273U (en) | Car clock battery voltage display device | |
JPS6222568U (en) | ||
JPS59138773U (en) | Threshold measurement device | |
JPS59157469U (en) | Target wear monitoring device for sputtering | |
JPS59113898U (en) | Intermittent measuring instrument | |
JPS5960569U (en) | Light-emitting indicator | |
JPS6070076U (en) | Impedance measuring device | |
JPS58193214U (en) | Display device for measuring instruments | |
JPS6354075U (en) | ||
JPS6068424U (en) | Measurement monitoring device | |
JPS60191974U (en) | Distortion rate measurement circuit | |
JPS5817569U (en) | Digital integrated circuit measurement equipment | |
JPS5896265U (en) | optical voltmeter | |
JPS60105540U (en) | Vehicle LCD display device | |
JPS5817566U (en) | voltage level measuring device | |
JPS58167409U (en) | Pen recorder with measurement data enlargement device | |
JPS6430955U (en) | ||
JPS6132970U (en) | Direct display standing wave ratio meter | |
JPS5836780U (en) | Lighting equipment for liquid crystal display elements |