JPS5543698A - Optical reading machine for addition and substraction threshold - Google Patents

Optical reading machine for addition and substraction threshold

Info

Publication number
JPS5543698A
JPS5543698A JP11919079A JP11919079A JPS5543698A JP S5543698 A JPS5543698 A JP S5543698A JP 11919079 A JP11919079 A JP 11919079A JP 11919079 A JP11919079 A JP 11919079A JP S5543698 A JPS5543698 A JP S5543698A
Authority
JP
Japan
Prior art keywords
substraction
threshold
addition
optical reading
reading machine
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.)
Granted
Application number
JP11919079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS629955B2 (en:Method
Inventor
Jiyon Kasarii Richiyaado
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.)
Transaction Technology Inc
Original Assignee
Transaction Technology Inc
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 Transaction Technology Inc filed Critical Transaction Technology Inc
Publication of JPS5543698A publication Critical patent/JPS5543698A/ja
Publication of JPS629955B2 publication Critical patent/JPS629955B2/ja
Granted legal-status Critical Current

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
    • 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
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (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)
  • Optical Recording Or Reproduction (AREA)
JP11919079A 1978-09-18 1979-09-17 Optical reading machine for addition and substraction threshold Granted JPS5543698A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94320178A 1978-09-18 1978-09-18

Publications (2)

Publication Number Publication Date
JPS5543698A true JPS5543698A (en) 1980-03-27
JPS629955B2 JPS629955B2 (en:Method) 1987-03-03

Family

ID=25479238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11919079A Granted JPS5543698A (en) 1978-09-18 1979-09-17 Optical reading machine for addition and substraction threshold

Country Status (2)

Country Link
JP (1) JPS5543698A (en:Method)
BE (1) BE878814A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56122156U (en:Method) * 1980-02-13 1981-09-17

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01179554U (en:Method) * 1988-06-08 1989-12-22

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54117636A (en) * 1978-03-04 1979-09-12 Nec Corp Mark read circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54117636A (en) * 1978-03-04 1979-09-12 Nec Corp Mark read circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56122156U (en:Method) * 1980-02-13 1981-09-17

Also Published As

Publication number Publication date
BE878814A (fr) 1980-01-16
JPS629955B2 (en:Method) 1987-03-03

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