JPS62183272U

JPS62183272U -

Info

Publication number: JPS62183272U
Application number: JP6994386U
Authority: JP
Priority date: 1986-05-12
Filing date: 1986-05-12
Publication date: 1987-11-20

Description

[Brief explanation of the drawing]

第１図は本考案による光学読取装置の一実施例
を示す構成図、第２図ａは第１図に示す第１のイ
メージセンサ上のバーコードの結像による二値化
パターン例、第２図ｂは第１図に示す第２のイメ
ージセンサ上の文字の結像による二値化パターン
例、第３図は従来の光学読取装置の構成図である
。図面中、１は用紙、２はハンドスキヤナ、３，
４は光源、５，６は反射鏡、７は第１のレンズ系
、８は第２のレンズ系、９は第１のイメージセン
サ、１０は第２のイメージセンサ、１１は第１の
二値化回路、１２は第２の二値化回路、１３は文
字識別回路、１４はバーコード識別回路、１５は
選択回路、１６，１７は光路、１８，１９は視野
である。 FIG. 1 is a block diagram showing an embodiment of an optical reading device according to the present invention, FIG. 2a is an example of a binary pattern formed by imaging a barcode on the first image sensor shown in FIG. FIG. b is an example of a binary pattern formed by imaging characters on the second image sensor shown in FIG. 1, and FIG. 3 is a block diagram of a conventional optical reading device. In the drawing, 1 is paper, 2 is hand scanner, 3,
4 is a light source, 5 and 6 are reflecting mirrors, 7 is a first lens system, 8 is a second lens system, 9 is a first image sensor, 10 is a second image sensor, 11 is a first binary value 12 is a second binarization circuit, 13 is a character identification circuit, 14 is a barcode identification circuit, 15 is a selection circuit, 16 and 17 are optical paths, and 18 and 19 are visual fields.

Claims

[Scope of utility model registration request]

a first image sensor having a two-dimensional arrangement of photoelectric conversion elements having a field of view for imaging one or more lines of characters written on the read medium, a light source that illuminates the read medium; and the read medium between the medium to be read and the first and second image sensors; first and second lens systems arranged to image characters or barcodes of the medium to be read onto first and second image sensors, respectively; and binarize the output signal of the first image sensor. a first binarization circuit that binarizes the output signal of the second image sensor, and a second binarization circuit that binarizes the output signal of the second image sensor, and processes the output signal of the first binarization circuit to generate characters. a character recognition circuit for identifying;
A barcode identification circuit that processes the output signal of the second binarization circuit to identify the barcode, and selects the correct one from the identification results of the character identification circuit and barcode identification circuit and outputs it as the final reading result. and a selection circuit for forming images of characters and barcodes on the medium to be read on the first and second image sensors through different optical paths and sharing the light source. reading device.