GB2029659B - Apparatus and method for electrical processing of picture element information - Google Patents

Apparatus and method for electrical processing of picture element information

Info

Publication number
GB2029659B
GB2029659B GB7922475A GB7922475A GB2029659B GB 2029659 B GB2029659 B GB 2029659B GB 7922475 A GB7922475 A GB 7922475A GB 7922475 A GB7922475 A GB 7922475A GB 2029659 B GB2029659 B GB 2029659B
Authority
GB
United Kingdom
Prior art keywords
picture element
element information
electrical processing
electrical
processing
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
GB7922475A
Other languages
English (en)
Other versions
GB2029659A (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.)
Olympus Corp
Original Assignee
Olympus Corp
Olympus Optical Co 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
Priority claimed from JP7974178A external-priority patent/JPS558102A/ja
Priority claimed from JP12719078A external-priority patent/JPS5553304A/ja
Application filed by Olympus Corp, Olympus Optical Co Ltd filed Critical Olympus Corp
Publication of GB2029659A publication Critical patent/GB2029659A/en
Application granted granted Critical
Publication of GB2029659B publication Critical patent/GB2029659B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/32—Measuring distances in line of sight; Optical rangefinders by focusing the object, e.g. on a ground glass screen
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • G11B7/0917—Focus-error methods other than those covered by G11B7/0909 - G11B7/0916

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Image Input (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Image Analysis (AREA)
GB7922475A 1978-07-03 1979-06-28 Apparatus and method for electrical processing of picture element information Expired GB2029659B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7974178A JPS558102A (en) 1978-07-03 1978-07-03 Picture signal process circuit
JP12719078A JPS5553304A (en) 1978-10-16 1978-10-16 Focus detector

Publications (2)

Publication Number Publication Date
GB2029659A GB2029659A (en) 1980-03-19
GB2029659B true GB2029659B (en) 1982-09-29

Family

ID=26420739

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7922475A Expired GB2029659B (en) 1978-07-03 1979-06-28 Apparatus and method for electrical processing of picture element information

Country Status (3)

Country Link
DE (1) DE2926898C2 (fr)
FR (1) FR2431680A1 (fr)
GB (1) GB2029659B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2581157B1 (fr) * 1985-04-29 1987-05-29 Legris Sa Perfectionnement a la distribution de fluides en conduits multiples.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967056A (en) * 1973-02-26 1976-06-29 Minolta Camera Kabushiki Kaisha Automatic focusing apparatus
US4047187A (en) * 1974-04-01 1977-09-06 Canon Kabushiki Kaisha System for exposure measurement and/or focus detection by means of image senser
JPS5156627A (en) * 1974-11-13 1976-05-18 Canon Kk Butsutaizosenmeidokenshutsuhoshiki

Also Published As

Publication number Publication date
DE2926898C2 (de) 1982-07-22
FR2431680B1 (fr) 1985-05-17
DE2926898A1 (de) 1980-01-24
GB2029659A (en) 1980-03-19
FR2431680A1 (fr) 1980-02-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee