GB190923491A - An Improved Lens. - Google Patents

An Improved Lens.

Info

Publication number
GB190923491A
GB190923491A GB190923491DA GB190923491A GB 190923491 A GB190923491 A GB 190923491A GB 190923491D A GB190923491D A GB 190923491DA GB 190923491 A GB190923491 A GB 190923491A
Authority
GB
United Kingdom
Prior art keywords
improved lens
lens
improved
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
Application number
Inventor
William Thomas Coulson
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
Application granted granted Critical
Publication of GB190923491A publication Critical patent/GB190923491A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
GB190923491D 1909-10-14 1909-10-14 An Improved Lens. Expired GB190923491A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190923491T 1909-10-14

Publications (1)

Publication Number Publication Date
GB190923491A true GB190923491A (en) 1910-10-13

Family

ID=32558314

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190923491D Expired GB190923491A (en) 1909-10-14 1909-10-14 An Improved Lens.

Country Status (1)

Country Link
GB (1) GB190923491A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496681A (en) * 1947-02-14 1950-02-07 Robert D Stephens Hollow circular segmental lens structure with liquid filler
US3544198A (en) * 1967-11-08 1970-12-01 Commissariat Energie Atomique Unitary dioptric lens
EP2869054A1 (en) * 2013-11-05 2015-05-06 Malvern Instruments Limited Improvements relating to particle characterisation
EP2869055A1 (en) * 2013-11-05 2015-05-06 Malvern Instruments Limited Improvements relating to particle characterisation
EP2869056A1 (en) * 2013-11-05 2015-05-06 Malvern Instruments Limited Improvements relating to particle characterisation
EP2869057A1 (en) * 2013-11-05 2015-05-06 Malvern Instruments Limited Improvements Relating to Particle Characterisation
WO2015067930A1 (en) * 2013-11-05 2015-05-14 Malvern Instruments Limited Improvements relating to particle characterisation
US10343276B2 (en) 2017-07-12 2019-07-09 Saudi Arabian Oil Company Compact magnetic crawler vehicle with anti-rocking supports
US11760127B2 (en) 2020-12-03 2023-09-19 Saudi Arabian Oil Company Two-wheel compact inspection crawler with automatic probe normalization

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496681A (en) * 1947-02-14 1950-02-07 Robert D Stephens Hollow circular segmental lens structure with liquid filler
US3544198A (en) * 1967-11-08 1970-12-01 Commissariat Energie Atomique Unitary dioptric lens
EP2869054A1 (en) * 2013-11-05 2015-05-06 Malvern Instruments Limited Improvements relating to particle characterisation
EP2869055A1 (en) * 2013-11-05 2015-05-06 Malvern Instruments Limited Improvements relating to particle characterisation
EP2869056A1 (en) * 2013-11-05 2015-05-06 Malvern Instruments Limited Improvements relating to particle characterisation
EP2869057A1 (en) * 2013-11-05 2015-05-06 Malvern Instruments Limited Improvements Relating to Particle Characterisation
WO2015067930A1 (en) * 2013-11-05 2015-05-14 Malvern Instruments Limited Improvements relating to particle characterisation
US20160252443A1 (en) * 2013-11-05 2016-09-01 Malvern Instruments Limited Improvements relating to particle characterisation
US10048187B2 (en) 2013-11-05 2018-08-14 Malvern Panalytical Limited Improvements relating to particle characterisation
US10343276B2 (en) 2017-07-12 2019-07-09 Saudi Arabian Oil Company Compact magnetic crawler vehicle with anti-rocking supports
US11021197B2 (en) 2017-07-12 2021-06-01 Saudi Arabian Oil Company Compact magnetic crawler vehicle with anti-rocking supports
US11021198B2 (en) 2017-07-12 2021-06-01 Saudi Arabian Oil Company Compact magnetic crawler vehicle with anti-rocking supports
US11760127B2 (en) 2020-12-03 2023-09-19 Saudi Arabian Oil Company Two-wheel compact inspection crawler with automatic probe normalization

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