GB1378422A - Optical scanning apparatus - Google Patents

Optical scanning apparatus

Info

Publication number
GB1378422A
GB1378422A GB253172A GB253172A GB1378422A GB 1378422 A GB1378422 A GB 1378422A GB 253172 A GB253172 A GB 253172A GB 253172 A GB253172 A GB 253172A GB 1378422 A GB1378422 A GB 1378422A
Authority
GB
United Kingdom
Prior art keywords
detectors
pattern
scanning
colour
output
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
GB253172A
Other languages
English (en)
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.)
Rank Organization Ltd
Original Assignee
Rank Organization 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 Rank Organization Ltd filed Critical Rank Organization Ltd
Priority to GB253172A priority Critical patent/GB1378422A/en
Priority to FR7301575A priority patent/FR2168433B1/fr
Priority to IT7367084A priority patent/IT977633B/it
Priority to CH82673A priority patent/CH559942A5/xx
Priority to DE2302731A priority patent/DE2302731A1/de
Priority to JP48007956A priority patent/JPS4882850A/ja
Priority to US00325159A priority patent/US3784832A/en
Publication of GB1378422A publication Critical patent/GB1378422A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • 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
    • G06K7/12—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)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Knitting Machines (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Character Input (AREA)
GB253172A 1972-01-19 1972-01-19 Optical scanning apparatus Expired GB1378422A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB253172A GB1378422A (en) 1972-01-19 1972-01-19 Optical scanning apparatus
FR7301575A FR2168433B1 (enExample) 1972-01-19 1973-01-17
IT7367084A IT977633B (it) 1972-01-19 1973-01-18 Dispositivo scansore ottico par ticolarmente per la scansione dei disegni nei telai tessili e simili
CH82673A CH559942A5 (enExample) 1972-01-19 1973-01-19
DE2302731A DE2302731A1 (de) 1972-01-19 1973-01-19 Vorrichtung zur optischen abtastung eines musters und erzeugung eines kodesignals
JP48007956A JPS4882850A (enExample) 1972-01-19 1973-01-19
US00325159A US3784832A (en) 1972-01-19 1973-01-19 Optical scanning apparatus for avoiding ambiguity in a quantised signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB253172A GB1378422A (en) 1972-01-19 1972-01-19 Optical scanning apparatus

Publications (1)

Publication Number Publication Date
GB1378422A true GB1378422A (en) 1974-12-27

Family

ID=9741219

Family Applications (1)

Application Number Title Priority Date Filing Date
GB253172A Expired GB1378422A (en) 1972-01-19 1972-01-19 Optical scanning apparatus

Country Status (7)

Country Link
US (1) US3784832A (enExample)
JP (1) JPS4882850A (enExample)
CH (1) CH559942A5 (enExample)
DE (1) DE2302731A1 (enExample)
FR (1) FR2168433B1 (enExample)
GB (1) GB1378422A (enExample)
IT (1) IT977633B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3894216A (en) * 1973-07-27 1975-07-08 Compucorp Illumination and sensor arrangement for card reader
DE2433683C3 (de) * 1974-07-12 1979-02-22 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Vorrichtung zur Überwachung einer Materialbahn auf Fehlstellen
DE2433682C3 (de) * 1974-07-12 1979-02-15 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Vorrichtung zur Überwachung einer Materialbahn oder einer sonstigen Abtastebene
US4143809A (en) * 1977-10-11 1979-03-13 Hewlett-Packard Company Optical bar code reader
US4499595A (en) * 1981-10-01 1985-02-12 General Electric Co. System and method for pattern recognition
US4882476A (en) * 1986-09-10 1989-11-21 Norand Corporation Bar code reader with enhanced sensitivity
JPS6458161A (en) * 1987-08-28 1989-03-06 Toshiba Corp Facsimile equipment
US4783591A (en) * 1987-11-09 1988-11-08 Honeywell Inc. Color mark sensor
US5362953A (en) * 1992-08-18 1994-11-08 Intermec Corporation Reading apparatus with separate illumination and detection optical axes
GB2284695A (en) * 1993-12-10 1995-06-14 Secr Defence Bar-code reader
WO2003010963A1 (en) * 2001-07-11 2003-02-06 Daniel Kilbank System and method for compressing data
WO2003091842A2 (en) * 2002-04-23 2003-11-06 Daniel Kilbank System and method for using microlets in communications
US7408486B2 (en) * 2003-04-21 2008-08-05 Qbit Corporation System and method for using a microlet-based modem

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE622375A (enExample) * 1961-09-13
US3298015A (en) * 1963-12-26 1967-01-10 Kollsman Instr Corp Automatic data plotter
US3335287A (en) * 1964-07-17 1967-08-08 Franklin Institute Photosensitive self-monitoring drawing plotter using light conducting fibers
US3490002A (en) * 1966-03-14 1970-01-13 Ibm Complete scanning cycle detector for character recognition systems
US3584779A (en) * 1968-10-07 1971-06-15 Ncr Co Optical data sensing system

Also Published As

Publication number Publication date
CH559942A5 (enExample) 1975-03-14
FR2168433B1 (enExample) 1974-11-08
JPS4882850A (enExample) 1973-11-06
DE2302731A1 (de) 1973-07-26
US3784832A (en) 1974-01-08
FR2168433A1 (enExample) 1973-08-31
IT977633B (it) 1974-09-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees