IN154940B - - Google Patents
Info
- Publication number
- IN154940B IN154940B IN573/CAL/81A IN573CA1981A IN154940B IN 154940 B IN154940 B IN 154940B IN 573CA1981 A IN573CA1981 A IN 573CA1981A IN 154940 B IN154940 B IN 154940B
- Authority
- IN
- India
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/14—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Astronomy & Astrophysics (AREA)
- Telescopes (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8017264 | 1980-05-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
IN154940B true IN154940B (ja) | 1984-12-22 |
Family
ID=10513651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN573/CAL/81A IN154940B (ja) | 1980-05-30 | 1981-05-29 |
Country Status (10)
Country | Link |
---|---|
US (1) | US4411488A (ja) |
BE (1) | BE888990A (ja) |
CH (1) | CH654934A5 (ja) |
DE (1) | DE3120625A1 (ja) |
FR (1) | FR2484657A1 (ja) |
IN (1) | IN154940B (ja) |
IT (1) | IT1144375B (ja) |
NL (1) | NL8102335A (ja) |
NO (1) | NO811801L (ja) |
SE (1) | SE450425B (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4659171A (en) * | 1984-05-22 | 1987-04-21 | Barr & Stroud Limited | Infrared afocal refractor telescope |
US5077239A (en) * | 1990-01-16 | 1991-12-31 | Westinghouse Electric Corp. | Chalcogenide glass, associated method and apparatus |
US5313330A (en) * | 1992-08-31 | 1994-05-17 | U.S. Precision Lens Incorporated | Zoom projection lens systems |
US5493441A (en) * | 1994-01-13 | 1996-02-20 | Texas Instruments Incorporated | Infrared continuous zoom telescope using diffractive optics |
US5548439A (en) * | 1994-12-27 | 1996-08-20 | Hughes Aircraft Company | Three field of view refractive infrared telescope with fixed medium filed of view |
DE19522698C2 (de) * | 1995-06-22 | 1998-09-17 | Ldt Gmbh & Co | Vorrichtung zum Abbilden von Bildpunkten |
US5796514A (en) * | 1996-03-04 | 1998-08-18 | Raytheon Ti Systems, Inc. | Infrared zoom lens assembly having a variable F/number |
US5852516A (en) * | 1996-03-04 | 1998-12-22 | Raytheon Ti Systems, Inc. | Dual purpose infrared lens assembly using diffractive optics |
GB9809738D0 (en) * | 1998-05-08 | 1998-07-08 | Pilkington Perkin Elmer Ltd | Optical systems |
WO2004010199A2 (en) * | 2002-07-22 | 2004-01-29 | Panavision, Inc. | Zoom lens system |
US7283309B2 (en) * | 2004-08-20 | 2007-10-16 | Panavision International, L.P. | Wide-range, wide-angle, rotatable compound zoom |
US7227682B2 (en) * | 2005-04-08 | 2007-06-05 | Panavision International, L.P. | Wide-range, wide-angle compound zoom with simplified zooming structure |
US7224535B2 (en) * | 2005-07-29 | 2007-05-29 | Panavision International, L.P. | Zoom lens system |
GB0705910D0 (en) * | 2007-03-27 | 2007-05-09 | Dsam London Llp | Optical arrangement |
US7880978B2 (en) * | 2008-08-25 | 2011-02-01 | Acm Projektentwicklung Gmbh | Objective lens system |
US8508864B2 (en) * | 2008-08-25 | 2013-08-13 | Acm Projektentwicklung Gmbh | Objective lens system |
JP5467896B2 (ja) * | 2010-03-05 | 2014-04-09 | 株式会社タムロン | 赤外線ズームレンズ |
JP2011186070A (ja) * | 2010-03-05 | 2011-09-22 | Tamron Co Ltd | 赤外線ズームレンズ |
WO2016019539A1 (zh) * | 2014-08-07 | 2016-02-11 | 深圳市大族激光科技股份有限公司 | 远红外成像透镜组、物镜及探测仪 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3363962A (en) * | 1964-05-11 | 1968-01-16 | Westinghouse Electric Corp | Infrared optical system comprising three lens elements |
US3825315A (en) * | 1973-01-29 | 1974-07-23 | R Altman | Zoom lens optical system for infrared wavelengths |
GB1478115A (en) * | 1974-02-15 | 1977-06-29 | Pilkington Perkin Elmer Ltd | Infra-red lenses |
GB1451276A (en) * | 1974-05-06 | 1976-09-29 | Rank Organisation Ltd | Lens structure |
GB1462892A (en) * | 1974-10-02 | 1977-01-26 | Rank Organisation Ltd | Lenses |
US3947084A (en) * | 1975-02-28 | 1976-03-30 | Hughes Aircraft Company | Long-wave infrared afocal zoom telescope |
GB1594966A (en) * | 1977-06-01 | 1981-08-05 | Pilkington Perkin Elmer Ltd | Infra-red optical lens sytems |
-
1981
- 1981-05-07 US US06/261,689 patent/US4411488A/en not_active Expired - Lifetime
- 1981-05-12 NL NL8102335A patent/NL8102335A/nl not_active Application Discontinuation
- 1981-05-21 IT IT67689/81A patent/IT1144375B/it active
- 1981-05-23 DE DE19813120625 patent/DE3120625A1/de active Granted
- 1981-05-27 BE BE2/59183A patent/BE888990A/fr unknown
- 1981-05-27 CH CH3500/81A patent/CH654934A5/de not_active IP Right Cessation
- 1981-05-27 NO NO811801A patent/NO811801L/no unknown
- 1981-05-27 FR FR8110652A patent/FR2484657A1/fr active Granted
- 1981-05-27 SE SE8103377A patent/SE450425B/sv not_active IP Right Cessation
- 1981-05-29 IN IN573/CAL/81A patent/IN154940B/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE450425B (sv) | 1987-06-22 |
IT1144375B (it) | 1986-10-29 |
DE3120625A1 (de) | 1982-03-18 |
NO811801L (no) | 1981-12-01 |
BE888990A (fr) | 1981-09-16 |
DE3120625C2 (ja) | 1991-01-10 |
FR2484657A1 (fr) | 1981-12-18 |
SE8103377L (sv) | 1981-12-01 |
NL8102335A (nl) | 1981-12-16 |
US4411488A (en) | 1983-10-25 |
CH654934A5 (de) | 1986-03-14 |
IT8167689A0 (it) | 1981-05-21 |
FR2484657B3 (ja) | 1983-03-04 |