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
Application number
JP56145674A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5846474A (ja
Inventor
Akio Sugiura
Tadao Nojiri
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
NipponDenso Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP14567481A priority Critical patent/JPS5846474A/ja
Publication of JPS5846474A publication Critical patent/JPS5846474A/ja
Publication of JPH0120791B2 publication Critical patent/JPH0120791B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods 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
    • G06K7/10821Methods 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
    • G06K7/10851Circuits 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)
JP14567481A 1981-09-15 1981-09-15 バ−コ−ド読取装置 Granted JPS5846474A (ja)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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