HK1026943A1 - Focus mechanism for varifocal lens - Google Patents

Focus mechanism for varifocal lens

Info

Publication number
HK1026943A1
HK1026943A1 HK00106051A HK00106051A HK1026943A1 HK 1026943 A1 HK1026943 A1 HK 1026943A1 HK 00106051 A HK00106051 A HK 00106051A HK 00106051 A HK00106051 A HK 00106051A HK 1026943 A1 HK1026943 A1 HK 1026943A1
Authority
HK
Hong Kong
Prior art keywords
focus mechanism
varifocal lens
varifocal
lens
focus
Prior art date
Application number
HK00106051A
Other languages
English (en)
Inventor
Leslie P Wrobel
Jerrold Zimmerman
Kenneth M Kunz
Original Assignee
Thomson Csf Optronique Canada
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 Thomson Csf Optronique Canada filed Critical Thomson Csf Optronique Canada
Publication of HK1026943A1 publication Critical patent/HK1026943A1/xx

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Telescopes (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
HK00106051A 1997-06-06 2000-09-25 Focus mechanism for varifocal lens HK1026943A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/870,628 US5894371A (en) 1997-06-06 1997-06-06 Focus mechanism for varifocal lens
PCT/US1998/010127 WO1998055892A1 (en) 1997-06-06 1998-05-19 Focus mechanism for varifocal lens

Publications (1)

Publication Number Publication Date
HK1026943A1 true HK1026943A1 (en) 2000-12-29

Family

ID=25355812

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00106051A HK1026943A1 (en) 1997-06-06 2000-09-25 Focus mechanism for varifocal lens

Country Status (9)

Country Link
US (1) US5894371A (no)
EP (1) EP0991970B1 (no)
AU (1) AU732844B2 (no)
CA (1) CA2293421C (no)
DE (1) DE69801003T2 (no)
HK (1) HK1026943A1 (no)
IL (1) IL133341A (no)
NO (1) NO318198B1 (no)
WO (1) WO1998055892A1 (no)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10218171A1 (de) * 2001-04-27 2002-10-31 Hensoldt & Soehne Optik Grob- und Feintrieb für ein Monokular, insbesondere für ein Fernrohr
EP1355183A3 (de) * 2002-04-16 2005-02-16 Hensoldt AG Teleskop
US7170214B2 (en) * 2003-09-08 2007-01-30 New Scale Technologies, Inc. Mechanism comprised of ultrasonic lead screw motor
US6940209B2 (en) 2003-09-08 2005-09-06 New Scale Technologies Ultrasonic lead screw motor
US7309943B2 (en) * 2003-09-08 2007-12-18 New Scale Technologies, Inc. Mechanism comprised of ultrasonic lead screw motor
US6938905B1 (en) 2004-11-05 2005-09-06 Haiming Tsai Hand truck
TWI413849B (zh) * 2010-03-08 2013-11-01 Tsung Hsien Liu 潛望式攝影裝置
US9123251B2 (en) * 2013-08-20 2015-09-01 Ford Global Technologies, Llc. Image system for automotive safety applications
CN116679402B (zh) * 2023-07-27 2023-11-07 天府兴隆湖实验室 多模式镜片切换机构及光学镜头

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5713849B1 (no) * 1969-09-08 1982-03-19
GB1525218A (en) * 1976-09-07 1978-09-20 Ibm Electrophotographic copying machine
US4548481A (en) * 1983-11-07 1985-10-22 Nippon Kogaku K.K. Variable magnification observation optical device
FR2623298B1 (fr) * 1986-09-23 1990-10-05 Trt Telecom Radio Electr Systeme optique bifocal infrarouge
GB8703402D0 (en) * 1987-02-13 1987-04-08 Pilkington Perkin Elmer Ltd Dual magnification infra-red telescope
EP0287202A1 (en) * 1987-04-04 1988-10-19 Gec-Marconi Limited Apparatus for adjusting the position of an element
GB2230354B (en) * 1989-03-31 1993-09-15 Asahi Optical Co Ltd Zoom lens assembly
US5042914A (en) * 1989-10-25 1991-08-27 Hughes Aircraft Company Lens focusing mechanism
GB2244344B (en) * 1990-05-18 1993-09-29 Gec Ferranti Defence Syst Infra-red zoom lens
US5212595A (en) * 1990-12-21 1993-05-18 Mp Video, Inc. Sterilizable focusing lens assembly
JP3441183B2 (ja) * 1994-09-27 2003-08-25 富士写真光機株式会社 ズームレンズ装置

Also Published As

Publication number Publication date
EP0991970A1 (en) 2000-04-12
NO995992D0 (no) 1999-12-06
AU7577398A (en) 1998-12-21
EP0991970B1 (en) 2001-06-27
CA2293421A1 (en) 1998-12-10
US5894371A (en) 1999-04-13
IL133341A0 (en) 2001-04-30
DE69801003T2 (de) 2001-11-15
NO318198B1 (no) 2005-02-14
AU732844B2 (en) 2001-05-03
CA2293421C (en) 2007-07-17
NO995992L (no) 2000-02-04
DE69801003D1 (de) 2001-08-02
WO1998055892A1 (en) 1998-12-10
IL133341A (en) 2002-07-25

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20180518