GB1393205A - Light intensity to digital converter using photon flux inte gration - Google Patents

Light intensity to digital converter using photon flux inte gration

Info

Publication number
GB1393205A
GB1393205A GB452673A GB452673A GB1393205A GB 1393205 A GB1393205 A GB 1393205A GB 452673 A GB452673 A GB 452673A GB 452673 A GB452673 A GB 452673A GB 1393205 A GB1393205 A GB 1393205A
Authority
GB
United Kingdom
Prior art keywords
precharging
photo
read
stage
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
GB452673A
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.)
Boeing North American Inc
Original Assignee
Rockwell International Corp
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 Rockwell International Corp filed Critical Rockwell International Corp
Publication of GB1393205A publication Critical patent/GB1393205A/en
Expired 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
    • G06K7/14—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/048—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using other optical storage elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Transform (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Analogue/Digital Conversion (AREA)
  • Character Input (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
GB452673A 1972-03-13 1973-01-30 Light intensity to digital converter using photon flux inte gration Expired GB1393205A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23405072A 1972-03-13 1972-03-13

Publications (1)

Publication Number Publication Date
GB1393205A true GB1393205A (en) 1975-05-07

Family

ID=22879681

Family Applications (1)

Application Number Title Priority Date Filing Date
GB452673A Expired GB1393205A (en) 1972-03-13 1973-01-30 Light intensity to digital converter using photon flux inte gration

Country Status (7)

Country Link
US (1) US3721963A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5548619B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA993557A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2312056C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2176349A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1393205A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT977311B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3914597A (en) * 1974-07-12 1975-10-21 Us Air Force System for adjusting individual sensors in an array
US4097731A (en) * 1977-06-02 1978-06-27 Burroughs Corporation Automatic gain control for photosensing devices
US4097732A (en) * 1977-06-02 1978-06-27 Burroughs Corporation Automatic gain control for photosensing devices
US4309630A (en) * 1979-12-10 1982-01-05 Bell Telephone Laboratories, Incorporated Buffer circuitry
JPS6184054A (ja) * 1984-09-27 1986-04-28 シーメンス、アクチエンゲゼルシヤフト 集積ｍｏｓ回路
US4840069A (en) * 1986-09-03 1989-06-20 Grumman Aerospace Corporation Electro-optic space positioner with background compensator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252143A (en) * 1959-10-12 1966-05-17 Svenska Dataregister Ab Data handling system
US3229047A (en) * 1962-08-06 1966-01-11 Motorola Inc Data conversion systems
JPS4023832Y1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1965-02-15 1965-08-13

Also Published As

Publication number Publication date
JPS5548619B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-12-06
CA993557A (en) 1976-07-20
FR2176349A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-10-26
DE2312056A1 (de) 1973-09-20
JPS493557A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-01-12
DE2312056C3 (de) 1978-10-12
IT977311B (it) 1974-09-10
US3721963A (en) 1973-03-20
DE2312056B2 (de) 1978-02-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19930128