JPS558102A - Picture signal process circuit - Google Patents

Picture signal process circuit

Info

Publication number
JPS558102A
JPS558102A JP7974178A JP7974178A JPS558102A JP S558102 A JPS558102 A JP S558102A JP 7974178 A JP7974178 A JP 7974178A JP 7974178 A JP7974178 A JP 7974178A JP S558102 A JPS558102 A JP S558102A
Authority
JP
Japan
Prior art keywords
picture element
analog
illuminance information
picture
circuit
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.)
Pending
Application number
JP7974178A
Other languages
English (en)
Inventor
Masatoshi Ida
Hideshi Kenjo
Takeomi Suzuki
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 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
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP7974178A priority Critical patent/JPS558102A/ja
Priority to US06/052,225 priority patent/US4316657A/en
Priority to GB7922475A priority patent/GB2029659B/en
Priority to FR7917155A priority patent/FR2431680A1/fr
Priority to DE19792926898 priority patent/DE2926898C2/de
Publication of JPS558102A publication Critical patent/JPS558102A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Remote Sensing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Focusing (AREA)
JP7974178A 1978-07-03 1978-07-03 Picture signal process circuit Pending JPS558102A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP7974178A JPS558102A (en) 1978-07-03 1978-07-03 Picture signal process circuit
US06/052,225 US4316657A (en) 1978-07-03 1979-06-26 Apparatus for electrically detecting focal point of cameras or the like optical devices
GB7922475A GB2029659B (en) 1978-07-03 1979-06-28 Apparatus and method for electrical processing of picture element information
FR7917155A FR2431680A1 (fr) 1978-07-03 1979-07-02 Procede et appareil de detection electronique du foyer d'appareils de prise de vues ou d'instruments optiques analogues
DE19792926898 DE2926898C2 (de) 1978-07-03 1979-07-03 Verfahren und Anordnung zur elektrischen Ermittlung der Fokussierungseinstellung eines optischen Systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7974178A JPS558102A (en) 1978-07-03 1978-07-03 Picture signal process circuit

Publications (1)

Publication Number Publication Date
JPS558102A true JPS558102A (en) 1980-01-21

Family

ID=13698635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7974178A Pending JPS558102A (en) 1978-07-03 1978-07-03 Picture signal process circuit

Country Status (2)

Country Link
US (1) US4316657A (ja)
JP (1) JPS558102A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58212269A (ja) * 1982-06-03 1983-12-09 Hayashi Nakagome 撮像素子
JPS5964977A (ja) * 1982-10-05 1984-04-13 Nec Corp 固体撮像素子
JPS61255964A (ja) * 1985-05-10 1986-11-13 Toyo Soda Mfg Co Ltd 有機顔料の製造法
US5286863A (en) * 1991-08-22 1994-02-15 Ciba-Geigy Corporation Oxidation process for preparing quinacridone pigments

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS577508A (en) * 1980-06-16 1982-01-14 Seiko Koki Kk Distance detector
JPS58217294A (ja) * 1982-06-07 1983-12-17 株式会社日立製作所 産業用ロボツトの安全装置
JPH0771209B2 (ja) * 1986-06-13 1995-07-31 三洋電機株式会社 オ−トフォ−カス回路
JPH0810297B2 (ja) * 1987-07-07 1996-01-31 富士写真フイルム株式会社 位相差検出装置
JPH0754372B2 (ja) * 1987-07-08 1995-06-07 富士写真フイルム株式会社 位相差検出装置
JP2517415B2 (ja) * 1989-11-22 1996-07-24 三洋電機株式会社 オ―トフォ―カス方法
JPH0852638A (ja) * 1994-08-15 1996-02-27 Toshiba Mach Co Ltd 干渉チェック方法および加工プログラムチェック方法および加工適否チェック方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4952933A (ja) * 1972-09-25 1974-05-23
JPS5127053A (en) * 1974-08-30 1976-03-06 Canon Kk Tanyuryokuyo aad henkansochi
JPS52113756A (en) * 1976-03-22 1977-09-24 Hitachi Ltd Infrared wave number display circuit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828482A (en) * 1956-05-15 1958-03-25 Sperry Rand Corp Conversion systems
SE317101B (ja) * 1966-11-18 1969-11-10 Jungner Instrument Ab
US3588876A (en) * 1967-09-07 1971-06-28 Int Standard Electric Corp Encoder for wide band signals
US3945023A (en) * 1974-03-29 1976-03-16 Honeywell Inc. Auto-focus camera with solid state range finder
US4047187A (en) * 1974-04-01 1977-09-06 Canon Kabushiki Kaisha System for exposure measurement and/or focus detection by means of image senser
US4162839A (en) * 1974-08-30 1979-07-31 Canon Kabushiki Kaisha Dual preference camera for digitally displaying preset and computered valves
JPS53110823A (en) * 1977-03-10 1978-09-27 Ricoh Co Ltd Optical information processor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4952933A (ja) * 1972-09-25 1974-05-23
JPS5127053A (en) * 1974-08-30 1976-03-06 Canon Kk Tanyuryokuyo aad henkansochi
JPS52113756A (en) * 1976-03-22 1977-09-24 Hitachi Ltd Infrared wave number display circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58212269A (ja) * 1982-06-03 1983-12-09 Hayashi Nakagome 撮像素子
JPS5964977A (ja) * 1982-10-05 1984-04-13 Nec Corp 固体撮像素子
JPS61255964A (ja) * 1985-05-10 1986-11-13 Toyo Soda Mfg Co Ltd 有機顔料の製造法
US5286863A (en) * 1991-08-22 1994-02-15 Ciba-Geigy Corporation Oxidation process for preparing quinacridone pigments

Also Published As

Publication number Publication date
US4316657A (en) 1982-02-23

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