JPS6144282B2 - - Google Patents

Info

Publication number
JPS6144282B2
JPS6144282B2 JP53127190A JP12719078A JPS6144282B2 JP S6144282 B2 JPS6144282 B2 JP S6144282B2 JP 53127190 A JP53127190 A JP 53127190A JP 12719078 A JP12719078 A JP 12719078A JP S6144282 B2 JPS6144282 B2 JP S6144282B2
Authority
JP
Japan
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
JP53127190A
Other versions
JPS5553304A (en
Inventor
Takeomi Suzuki
Kenichi Ooikami
Masahiro Aoki
Hideshi Kenjo
Masatoshi Ida
Original Assignee
Olympus Optical Co
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 filed Critical Olympus Optical Co
Priority to JP53127190A priority Critical patent/JPS6144282B2/ja
Priority claimed from GB7922475A external-priority patent/GB2029659B/en
Publication of JPS5553304A publication Critical patent/JPS5553304A/ja
Publication of JPS6144282B2 publication Critical patent/JPS6144282B2/ja
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28Systems for automatic generation of focusing signals
    • G02B7/36Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00Measuring distances in line of sight; Optical rangefinders
    • G01C3/32Measuring distances in line of sight; Optical rangefinders by focusing the object, e.g. on a ground glass screen
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0908Disposition 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0908Disposition 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
    • G11B7/0917Focus-error methods other than those covered by G11B7/0909 - G11B7/0916
JP53127190A 1978-10-16 1978-10-16 Expired JPS6144282B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53127190A JPS6144282B2 (ja) 1978-10-16 1978-10-16

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP53127190A JPS6144282B2 (ja) 1978-10-16 1978-10-16
US06/052,222 US4255654A (en) 1978-10-16 1979-06-26 Method of 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 FR2431680B1 (ja) 1978-07-03 1979-07-02
DE19792926898 DE2926898C2 (ja) 1978-07-03 1979-07-03

Publications (2)

Publication Number Publication Date
JPS5553304A JPS5553304A (en) 1980-04-18
JPS6144282B2 true JPS6144282B2 (ja) 1986-10-02

Family

ID=14953905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53127190A Expired JPS6144282B2 (ja) 1978-10-16 1978-10-16

Country Status (2)

Country Link
US (1) US4255654A (ja)
JP (1) JPS6144282B2 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0213493B2 (ja) * 1981-03-28 1990-04-04 Olympus Optical Co
CN104266754B (zh) 2014-09-29 2016-10-05 深圳市华星光电技术有限公司 测量光学参数的调整电路、方法及光学测量系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50129220A (ja) * 1974-04-01 1975-10-13
JPS5127053A (en) * 1974-08-30 1976-03-06 Canon Kk Tanyuryokuyo aad henkansochi

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2410681A1 (de) * 1974-03-06 1975-09-11 Agfa Gevaert Ag Automatische fokussiervorrichtung
JPS53110823A (en) * 1977-03-10 1978-09-27 Ricoh Co Ltd Optical information processor
US4185191A (en) * 1978-06-05 1980-01-22 Honeywell Inc. Range determination system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50129220A (ja) * 1974-04-01 1975-10-13
JPS5127053A (en) * 1974-08-30 1976-03-06 Canon Kk Tanyuryokuyo aad henkansochi

Also Published As

Publication number Publication date
US4255654A (en) 1981-03-10
JPS5553304A (en) 1980-04-18

Similar Documents

Publication Publication Date Title
BG26867A1 (ja)
BG26604A1 (ja)
BG26470A1 (ja)
BG26095A1 (ja)
BG26759A1 (ja)
BG26252A1 (ja)
BG26844A1 (ja)
BG26483A1 (ja)
BG26568A1 (ja)
BG26722A1 (ja)
BG26743A1 (ja)
BG26879A1 (ja)
BG25836A1 (ja)
BG26061A1 (ja)
BG26839A1 (ja)
BG26426A1 (ja)
BG26756A1 (ja)
BG26859A1 (ja)
BG26580A1 (ja)
BG26770A1 (ja)
BG26049A1 (ja)
BG26778A1 (ja)
BG26757A1 (ja)
BG26552A1 (ja)
BG26251A1 (ja)