JPS6142664U - hand scanner - Google Patents
hand scannerInfo
- Publication number
- JPS6142664U JPS6142664U JP12375484U JP12375484U JPS6142664U JP S6142664 U JPS6142664 U JP S6142664U JP 12375484 U JP12375484 U JP 12375484U JP 12375484 U JP12375484 U JP 12375484U JP S6142664 U JPS6142664 U JP S6142664U
- Authority
- JP
- Japan
- Prior art keywords
- hand scanner
- hand
- figures
- characters
- abstract
- 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 Input (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案のハンドスキャナの構成を説明する図、
第２図は本考案のしきい値比較回路の実施例、第３図は
従来のハンドスキャナを用いる光学文字読取装置を説明
する図である。
１・・・ハンドスキャナ、２・・・ケーブル、３・・・
端末装置、４・・・値札、６・・・読取ヘッド、１３・
・・つまみ、１４・・・光源、１５・・・光学系、１６
・・・光電変換素子、１７・・・増幅回路、１８・・・
用紙、１９・・・しきい値比較回路、２１・・・比較器
、２２・・・出力信号、２３・・・可変抵抗。FIG. 1 is a diagram illustrating the configuration of the hand scanner of the present invention.
FIG. 2 is an embodiment of the threshold comparison circuit of the present invention, and FIG. 3 is a diagram illustrating a conventional optical character reading device using a hand scanner. 1...Hand scanner, 2...Cable, 3...
Terminal device, 4... Price tag, 6... Reading head, 13.
...Knob, 14...Light source, 15...Optical system, 16
...Photoelectric conversion element, 17...Amplification circuit, 18...
Paper, 19... Threshold comparison circuit, 21... Comparator, 22... Output signal, 23... Variable resistor.
Claims (1)
ハンドスキャナにおいて、該文字や図形の濃度に応じて
二値化のしきい値を変える手段を設けてなるハンドスキ
ャナ。A hand scanner, which is a hand-held optical reading device that optically reads characters and figures, is provided with means for changing a threshold value for binarization according to the density of the characters and figures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12375484U JPS6142664U (en) | 1984-08-13 | 1984-08-13 | hand scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12375484U JPS6142664U (en) | 1984-08-13 | 1984-08-13 | hand scanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6142664U true JPS6142664U (en) | 1986-03-19 |
Family
ID=30682494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12375484U Pending JPS6142664U (en) | 1984-08-13 | 1984-08-13 | hand scanner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6142664U (en) |
-
1984
- 1984-08-13 JP JP12375484U patent/JPS6142664U/en active Pending
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