JPH0120791B2 - - Google Patents
Info
- Publication number
- JPH0120791B2 JPH0120791B2 JP56145674A JP14567481A JPH0120791B2 JP H0120791 B2 JPH0120791 B2 JP H0120791B2 JP 56145674 A JP56145674 A JP 56145674A JP 14567481 A JP14567481 A JP 14567481A JP H0120791 B2 JPH0120791 B2 JP H0120791B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- reading
- barcode
- differential
- circuit
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14567481A JPS5846474A (ja) | 1981-09-15 | 1981-09-15 | バ−コ−ド読取装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14567481A JPS5846474A (ja) | 1981-09-15 | 1981-09-15 | バ−コ−ド読取装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5846474A JPS5846474A (ja) | 1983-03-17 |
JPH0120791B2 true JPH0120791B2 (enrdf_load_stackoverflow) | 1989-04-18 |
Family
ID=15390458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14567481A Granted JPS5846474A (ja) | 1981-09-15 | 1981-09-15 | バ−コ−ド読取装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5846474A (enrdf_load_stackoverflow) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60231276A (ja) * | 1984-04-28 | 1985-11-16 | Tokyo Electric Co Ltd | バ−コ−ド読取り装置 |
JPS61193273A (ja) * | 1985-02-21 | 1986-08-27 | Matsushita Electric Ind Co Ltd | バ−コ−ド読取装置 |
JPH01175685A (ja) * | 1987-12-29 | 1989-07-12 | Tohoku Ricoh Co Ltd | バーコード読取装置の分解能調整方法 |
US5672858A (en) * | 1994-06-30 | 1997-09-30 | Symbol Technologies Inc. | Apparatus and method for reading indicia using charge coupled device and scanning laser beam technology |
US6708883B2 (en) | 1994-06-30 | 2004-03-23 | Symbol Technologies, Inc. | Apparatus and method for reading indicia using charge coupled device and scanning laser beam technology |
CN113533211B (zh) * | 2021-08-20 | 2024-05-07 | 四川新健康成生物股份有限公司 | 一种荧光分析仪用条码识别装置及算法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5193128A (enrdf_load_stackoverflow) * | 1975-02-13 | 1976-08-16 | ||
JPS55124050U (enrdf_load_stackoverflow) * | 1979-02-26 | 1980-09-03 |
-
1981
- 1981-09-15 JP JP14567481A patent/JPS5846474A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5846474A (ja) | 1983-03-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4528444A (en) | Optical reading apparatus with automatic gain control circuit | |
US4446486A (en) | Image signal processing circuit | |
US6382511B1 (en) | Methods and apparatus for digitizing and processing of analog barcode signals | |
US4222077A (en) | Analog-digital conversion method, and a picture reproduction method using the same | |
JPH0120791B2 (enrdf_load_stackoverflow) | ||
JPH0950475A (ja) | マーク検出方法および装置 | |
US6871785B2 (en) | Method and device for compensating undesired variations in an electrical signal generated by an optical code reader | |
JPH0130186B2 (enrdf_load_stackoverflow) | ||
JPS5672774A (en) | Quality inspection device for printed bar code symbol | |
JPS61193274A (ja) | バ−コ−ド読取装置 | |
JP4173614B2 (ja) | 浮動2値化回路及び情報コード読取装置 | |
JP2849311B2 (ja) | 光学的読取装置 | |
JPS6364935B2 (enrdf_load_stackoverflow) | ||
JPS61193273A (ja) | バ−コ−ド読取装置 | |
JPS5844441Y2 (ja) | バ−コ−ドラベル | |
US5939708A (en) | Alignment pattern and alignment method for a scanning system | |
JPH0687535B2 (ja) | アナログ信号2値化回路 | |
JPH0642199Y2 (ja) | 欠陥弁別回路 | |
JPS55121579A (en) | Picture reader | |
JP3130558B2 (ja) | 画像読取方法 | |
JPS6278962A (ja) | 画像入力装置 | |
JPH01175685A (ja) | バーコード読取装置の分解能調整方法 | |
JPS6258778A (ja) | 画像読取装置 | |
JPH02100782A (ja) | バーコードリーダ | |
JPS58170168A (ja) | イメ−ジセンサ駆動方式 |