NL255204A - - Google Patents

Info

Publication number
NL255204A
NL255204A NL255204DA NL255204A NL 255204 A NL255204 A NL 255204A NL 255204D A NL255204D A NL 255204DA NL 255204 A NL255204 A NL 255204A
Authority
NL
Netherlands
Application number
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.)
Publication of NL255204A publication Critical patent/NL255204A/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K7/10831—Arrangement of optical elements, e.g. lenses, mirrors, prisms
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L17/00—Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
    • H04L17/02—Apparatus or circuits at the transmitting end
    • H04L17/12—Automatic transmitters, e.g. controlled by perforated tape
    • H04L17/14—Automatic transmitters, e.g. controlled by perforated tape with optical sensing means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Credit Cards Or The Like (AREA)
NL255204D 1959-09-01 NL255204A (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB29741/59A GB877069A (en) 1959-09-01 1959-09-01 Improvements in or relating to tape-reading devices
GB2974160 1960-03-21

Publications (1)

Publication Number Publication Date
NL255204A true NL255204A (it)

Family

ID=26260058

Family Applications (1)

Application Number Title Priority Date Filing Date
NL255204D NL255204A (it) 1959-09-01

Country Status (4)

Country Link
US (1) US3045125A (it)
CH (1) CH394667A (it)
GB (2) GB877069A (it)
NL (1) NL255204A (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170329A (en) * 1961-10-02 1965-02-23 Merck & Co Inc Temperature monitoring apparatus
US3336481A (en) * 1963-02-21 1967-08-15 Genevieve I Magnuson Color grading apparatus with temperature sensor to compensate for lamp brightness
DE1221827B (de) * 1963-02-28 1966-07-28 Lan Jen Chu Vorrichtung zum Abtasten von spezifischen OEffnungen in strahlungsundurchlaessigen Merkmalstraegern als Identifizierungsmittel fuer bewegliche Gegenstaende, insbesondere Fahrzeuge
US3354317A (en) * 1964-08-17 1967-11-21 Exxon Research Engineering Co Radiation sensitive apparatus and method for analyzing molecular weight distribution in polymeric material
US3459949A (en) * 1964-12-01 1969-08-05 Pierre Poncet Detection of the level of the metal bath in the moulds for continuous casting
US3555243A (en) * 1966-09-22 1971-01-12 Ratio Controls Corp Optical pyrometer
US3531645A (en) * 1967-12-04 1970-09-29 Technicon Corp Linear output photoelectric circuit with photoelectric and logarithmic cells in series
US3578865A (en) * 1968-10-03 1971-05-18 Mobil Oil Corp Method and apparatus for photo-electrically monitoring the degradation of an oil stream
JPS515310B1 (it) * 1969-04-11 1976-02-19
US4038555A (en) * 1974-08-28 1977-07-26 Gilford Instrument Laboratories, Inc. Photometric measuring system
US3978343A (en) * 1975-06-30 1976-08-31 National Semiconductor Corporation Optically coupled isolator circuit having increased common mode rejection
JPS61167824A (ja) * 1985-01-18 1986-07-29 Nippon Soken Inc 光電変換回路
US4734576A (en) * 1986-05-01 1988-03-29 Tektronix, Inc. Electro-optic sampler
HU200507B (en) * 1987-04-10 1990-06-28 Gabor Szabo Circuit arrangement for controlling differential measurements based on light intensity
US5117099A (en) * 1989-09-01 1992-05-26 Schmidt Terrence C Ambient light rejecting quad photodiode sensor
US5410145A (en) * 1994-02-25 1995-04-25 Coroy; Trenton G. Light detector using reverse biased photodiodes with dark current compensation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909669A (en) * 1956-10-29 1959-10-20 Gen Electric Means for and method of regulating the operation of electrical translation systems

Also Published As

Publication number Publication date
GB877070A (en) 1961-09-13
US3045125A (en) 1962-07-17
CH394667A (de) 1965-06-30
GB877069A (en) 1961-09-13

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