BE503471A - - Google Patents

Info

Publication number
BE503471A
BE503471A BE503471DA BE503471A BE 503471 A BE503471 A BE 503471A BE 503471D A BE503471D A BE 503471DA BE 503471 A BE503471 A BE 503471A
Authority
BE
Belgium
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 BE503471A publication Critical patent/BE503471A/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • 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
    • G06K7/12—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using a selected wavelength, e.g. to sense red marks and ignore blue marks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • General Engineering & Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
BE503471D 1937-06-20 BE503471A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1937SC113113 DE686642C (en) 1937-06-20 1937-06-20 Dimming device for flat and downlights

Publications (1)

Publication Number Publication Date
BE503471A true BE503471A (en)

Family

ID=7449784

Family Applications (1)

Application Number Title Priority Date Filing Date
BE503471D BE503471A (en) 1937-06-20

Country Status (5)

Country Link
BE (1) BE503471A (en)
DE (1) DE686642C (en)
FR (1) FR1020876A (en)
GB (1) GB686642A (en)
NL (1) NL157369B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB807343A (en) * 1956-02-06 1959-01-14 Theodorus Reumerman Improvements in and relating to translation of symbols into electric signals
US3057552A (en) * 1958-08-14 1962-10-09 Burroughs Corp Optical apparatus for reading indicia appearing on a record medium
US3176140A (en) * 1959-01-05 1965-03-30 Int Standard Electric Corp Photosensitive document identification apparatus
NL250920A (en) * 1959-03-12
USRE29334E (en) 1971-05-17 1977-08-02 Westinghouse Electric Corporation Phosphor combination and method, particularly adapted for use with explosives, for providing a distinctive information label
US4018635A (en) 1971-05-17 1977-04-19 Westinghouse Electric Corporation Phosphor combination, particularly adapted for use with explosives, for providing a distinctive information label
US4013490A (en) 1973-03-27 1977-03-22 Westinghouse Electric Corporation Phosphor identification method, particularly adapted for use with explosives, for providing a distinctive information label

Also Published As

Publication number Publication date
GB686642A (en) 1953-01-28
NL157369B (en)
DE686642C (en) 1940-01-13
FR1020876A (en) 1953-02-11

Similar Documents

Publication Publication Date Title
FR837367A (en)
AT151505B (en)
BE420085R (en)
BE419523A (en)
BE422006A (en)
BE131631A (en)
BE235779A (en)
BE419783A (en)
BE420409A (en)
BE386746A (en)
BE420607A (en)
BE421290A (en)
BE413076A (en)
BE421473A (en)
BE417149A (en)
NL81866B (en)
BE417582A (en)
BE418783A (en)
BE503471A (en)
BE421498A (en)
BE420466A (en)
NL53225C (en)
BE419342A (en)
BE419443A (en)
BE420975A (en)