GB2290151B - Flexible lens manipulated by shape memory alloy wire - Google Patents

Flexible lens manipulated by shape memory alloy wire

Info

Publication number
GB2290151B
GB2290151B GB9411300A GB9411300A GB2290151B GB 2290151 B GB2290151 B GB 2290151B GB 9411300 A GB9411300 A GB 9411300A GB 9411300 A GB9411300 A GB 9411300A GB 2290151 B GB2290151 B GB 2290151B
Authority
GB
United Kingdom
Prior art keywords
manipulated
shape memory
memory alloy
alloy wire
flexible lens
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 - Lifetime
Application number
GB9411300A
Other versions
GB9411300D0 (en
GB2290151A (en
Inventor
Satish Kumar Karra
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9411300A priority Critical patent/GB2290151B/en
Publication of GB9411300D0 publication Critical patent/GB9411300D0/en
Publication of GB2290151A publication Critical patent/GB2290151A/en
Application granted granted Critical
Publication of GB2290151B publication Critical patent/GB2290151B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses
    • G02B3/14—Fluid-filled or evacuated lenses of variable focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
GB9411300A 1994-06-06 1994-06-06 Flexible lens manipulated by shape memory alloy wire Expired - Lifetime GB2290151B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9411300A GB2290151B (en) 1994-06-06 1994-06-06 Flexible lens manipulated by shape memory alloy wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9411300A GB2290151B (en) 1994-06-06 1994-06-06 Flexible lens manipulated by shape memory alloy wire

Publications (3)

Publication Number Publication Date
GB9411300D0 GB9411300D0 (en) 1994-07-27
GB2290151A GB2290151A (en) 1995-12-13
GB2290151B true GB2290151B (en) 1998-07-08

Family

ID=10756260

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9411300A Expired - Lifetime GB2290151B (en) 1994-06-06 1994-06-06 Flexible lens manipulated by shape memory alloy wire

Country Status (1)

Country Link
GB (1) GB2290151B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1928612B (en) * 2005-09-09 2010-05-05 鸿富锦精密工业（深圳）有限公司 Zoom structure of digital camera
DE102007034485A1 (en) * 2007-07-20 2009-01-22 Oc Oerlikon Balzers Ag Device, particularly heating device, has optical element with surface and is arranged at thermally conductive mounting plate, where mounting plate is thermally conductive connected with optical element over total surface
KR20200094128A (en) * 2017-08-05 2020-08-06 옵토튠 컨슈머 아게 Optical zoom device
GB201805301D0 (en) 2018-03-29 2018-05-16 Adlens Ltd Improvements In Or Relating To Variable Focusing Power Optical Devices

Also Published As

Publication number Publication date
GB9411300D0 (en) 1994-07-27
GB2290151A (en) 1995-12-13

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Legal Events

Date Code Title Description
S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION FILED

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130606

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: RESTORATION ALLOWED

Effective date: 20140424

PE20 Patent expired after termination of 20 years

Expiry date: 20140605