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BG103324A - Подобрения в или отнасящи се до променливи фокусиращи лещи - Google Patents

Подобрения в или отнасящи се до променливи фокусиращи лещи

Info

Publication number
BG103324A
BG103324A BG103324A BG10332499A BG103324A BG 103324 A BG103324 A BG 103324A BG 103324 A BG103324 A BG 103324A BG 10332499 A BG10332499 A BG 10332499A BG 103324 A BG103324 A BG 103324A
Authority
BG
Bulgaria
Prior art keywords
rings
lens
alternating
cavity
membrane
Prior art date
Application number
BG103324A
Other languages
English (en)
Inventor
Joshua SILVER
Original Assignee
Joshua SILVER
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
Priority claimed from GBGB9619198.6A external-priority patent/GB9619198D0/en
Application filed by Joshua SILVER filed Critical Joshua SILVER
Publication of BG103324A publication Critical patent/BG103324A/bg

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Prostheses (AREA)
  • Automatic Focus Adjustment (AREA)
  • Lens Barrels (AREA)
  • Accessories Of Cameras (AREA)
  • Blocking Light For Cameras (AREA)

Abstract

Променливата фокусираща леща се състои от първа ивтора прозрачна гъвкава мембрана (2), които са опънати и образуват херметизирана кухина (30), в която е установено прозрачно силиконово масло (4). Регулирането на налягането или обема на маслото (4) в кухината (30) променя фокусната дължина на лещата. За да се изработи лещата, периферията на всяка мембрана (2) се захваща между два комплекта пръстени (8, 10; 10, 12), образувани от три взаимодействащи помежду си пръстена (8, 10, 12). Пръстените саогънати заедно, за да се опънат мембраните (2) и да се херметизира кухината (30).
BG103324A 1996-09-13 1999-04-13 Подобрения в или отнасящи се до променливи фокусиращи лещи BG103324A (bg)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9619198.6A GB9619198D0 (en) 1996-06-25 1996-09-13 Improvements in or relating to variable focus lenses
PCT/GB1997/002427 WO1998011458A1 (en) 1996-09-13 1997-09-09 Improvements in or relating to variable focus lenses

Publications (1)

Publication Number Publication Date
BG103324A true BG103324A (bg) 1999-12-30

Family

ID=10799926

Family Applications (1)

Application Number Title Priority Date Filing Date
BG103324A BG103324A (bg) 1996-09-13 1999-04-13 Подобрения в или отнасящи се до променливи фокусиращи лещи

Country Status (25)

Country Link
US (1) US6188525B1 (bg)
EP (1) EP0927370B1 (bg)
JP (1) JP4163751B2 (bg)
KR (1) KR100517518B1 (bg)
CN (1) CN1208633C (bg)
AP (1) AP1012A (bg)
AT (1) ATE271695T1 (bg)
AU (1) AU4129397A (bg)
BG (1) BG103324A (bg)
BR (1) BR9711792A (bg)
CA (1) CA2265723C (bg)
DE (1) DE69729944T2 (bg)
EA (1) EA002927B1 (bg)
EE (1) EE9900091A (bg)
HU (1) HUP0000443A3 (bg)
IL (1) IL128950A (bg)
IS (1) IS4999A (bg)
NO (1) NO991237L (bg)
NZ (1) NZ335150A (bg)
OA (1) OA10994A (bg)
PL (1) PL332325A1 (bg)
SK (1) SK285638B6 (bg)
TR (1) TR199900573T2 (bg)
TW (1) TW582550U (bg)
WO (1) WO1998011458A1 (bg)

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Also Published As

Publication number Publication date
NO991237D0 (no) 1999-03-12
NZ335150A (en) 1999-10-28
IL128950A0 (en) 2000-02-17
EE9900091A (et) 1999-10-15
EP0927370A1 (en) 1999-07-07
BR9711792A (pt) 2000-01-18
SK285638B6 (sk) 2007-05-03
AP1012A (en) 2001-09-24
PL332325A1 (en) 1999-08-30
DE69729944D1 (de) 2004-08-26
ATE271695T1 (de) 2004-08-15
AU4129397A (en) 1998-04-02
CA2265723C (en) 2008-03-11
EA002927B1 (ru) 2002-10-31
EP0927370B1 (en) 2004-07-21
JP4163751B2 (ja) 2008-10-08
TR199900573T2 (xx) 1999-06-21
CN1208633C (zh) 2005-06-29
SK32399A3 (en) 2000-10-09
DE69729944T2 (de) 2005-09-01
KR20000036117A (ko) 2000-06-26
NO991237L (no) 1999-05-14
EA199900289A1 (ru) 1999-10-28
IS4999A (is) 1999-03-12
OA10994A (en) 2001-11-07
TW582550U (en) 2004-04-01
US6188525B1 (en) 2001-02-13
IL128950A (en) 2007-05-15
AP9901485A0 (en) 1999-03-31
JP2001500281A (ja) 2001-01-09
HUP0000443A2 (hu) 2000-06-28
KR100517518B1 (ko) 2005-09-29
CN1237248A (zh) 1999-12-01
CA2265723A1 (en) 1998-03-19
WO1998011458A1 (en) 1998-03-19
HUP0000443A3 (en) 2002-11-28

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