JPS6137553U

JPS6137553U - optical reader

Info

Publication number: JPS6137553U
Application number: JP12298984U
Authority: JP
Inventors: 信也竹中
Original assignee: 住友電気工業株式会社
Priority date: 1984-08-10
Filing date: 1984-08-10
Publication date: 1986-03-08

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

[Brief explanation of the drawing]

第１図は本考案の構成を示す図。第２図ａ及びｂは、本考案の装置に用いる電流検出素子
と、その出力を受けるモニタ回路入力部を例示した図で
ある。第３図は本考案の実施例である。１・・・・・・ハンド
スキャナ、２・・・・・・用紙、３・・・・・・レンジ
、４・・・・・・光電変換素子、５・・・・・・認識処
理部、６・・・・・・光源用電源、７ａ，７ｂ・・・・
・・光源、８，８ａｔ８ｂ・・・、・・・電流検出素子
、９・・・・・・モニタ回路、１０・・・・・・警報装
置、１１・・・・−・・差動増幅回路、１２・・・・・
・光量制御回路。FIG. 1 is a diagram showing the configuration of the present invention. FIGS. 2a and 2b are diagrams illustrating a current detection element used in the device of the present invention and a monitor circuit input section that receives the output thereof. FIG. 3 shows an embodiment of the present invention. 1... Hand scanner, 2... Paper, 3... Range, 4... Photoelectric conversion element, 5... Recognition processing unit, 6... Power source for light source, 7a, 7b...
...Light source, 8,8at8b...,...Current detection element, 9...Monitor circuit, 10...Alarm device, 11...Differential amplifier circuit , 12...
・Light control circuit.

Claims

[Scope of utility model registration request]

An optical reading device that scans and recognizes characters, symbols, etc. using an optical reading sensor that includes a light source, a lens, a photoelectric conversion element, and a recognition processing section includes a current value detection mechanism installed in series with the light source, and a current value detection mechanism installed in series with the light source. 1. An optical reading device comprising: an alarm means such as a lamp or a buzzer that operates according to the output; and by driving the alarm means, the user is informed of the degree of wear and tear on the light source.