NL1000174A1 - Method and device for optical sharpness adjustment. - Google Patents

Method and device for optical sharpness adjustment.

Info

Publication number
NL1000174A1
NL1000174A1 NL1000174A NL1000174A NL1000174A1 NL 1000174 A1 NL1000174 A1 NL 1000174A1 NL 1000174 A NL1000174 A NL 1000174A NL 1000174 A NL1000174 A NL 1000174A NL 1000174 A1 NL1000174 A1 NL 1000174A1
Authority
NL
Netherlands
Prior art keywords
sharpness adjustment
optical sharpness
optical
adjustment
sharpness
Prior art date
Application number
NL1000174A
Other languages
Dutch (nl)
Other versions
NL1000174C2 (en
Inventor
Wilfried Donner
Original Assignee
Wilfried Donner
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 Wilfried Donner filed Critical Wilfried Donner
Publication of NL1000174A1 publication Critical patent/NL1000174A1/en
Application granted granted Critical
Publication of NL1000174C2 publication Critical patent/NL1000174C2/en

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
NL1000174A 1994-04-19 1995-04-19 Method and device for optical sharpness adjustment. NL1000174C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4413368A DE4413368C1 (en) 1994-04-19 1994-04-19 Method of optical focussing of object image
DE4413368 1994-04-19

Publications (2)

Publication Number Publication Date
NL1000174A1 true NL1000174A1 (en) 1995-10-19
NL1000174C2 NL1000174C2 (en) 1998-08-20

Family

ID=6515720

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1000174A NL1000174C2 (en) 1994-04-19 1995-04-19 Method and device for optical sharpness adjustment.

Country Status (3)

Country Link
CH (1) CH690138A5 (en)
DE (1) DE4413368C1 (en)
NL (1) NL1000174C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10011411C2 (en) * 2000-03-09 2003-08-14 Bosch Gmbh Robert Imaging fire detector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5156627A (en) * 1974-11-13 1976-05-18 Canon Kk Butsutaizosenmeidokenshutsuhoshiki
JPH0672973B2 (en) * 1983-06-30 1994-09-14 株式会社リコー Autofocus method
GB2247378B (en) * 1987-09-02 1992-09-30 Canon Kk Automatic focusing device
US4975726A (en) * 1987-11-25 1990-12-04 Matsushita Electric Industrial Co., Ltd. Automatic focusing apparatus
DD268533A1 (en) * 1988-01-29 1989-05-31 Univ Schiller Jena METHOD AND ARRANGEMENT FOR AUTOMATIC FOCUSING OF AN OPTICAL SYSTEM
JP3175175B2 (en) * 1991-03-01 2001-06-11 ミノルタ株式会社 Focus detection device
JP3110095B2 (en) * 1991-09-20 2000-11-20 富士通株式会社 Distance measuring method and distance measuring device

Also Published As

Publication number Publication date
NL1000174C2 (en) 1998-08-20
CH690138A5 (en) 2000-05-15
DE4413368C1 (en) 1995-09-28

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Legal Events

Date Code Title Description
AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 19980618

PD2B A search report has been drawn up
VD1 Lapsed due to non-payment of the annual fee

Effective date: 20051101