GB2140933B - Display apparatus having edge-illuminated graticule - Google Patents

Display apparatus having edge-illuminated graticule

Info

Publication number
GB2140933B
GB2140933B GB08412388A GB8412388A GB2140933B GB 2140933 B GB2140933 B GB 2140933B GB 08412388 A GB08412388 A GB 08412388A GB 8412388 A GB8412388 A GB 8412388A GB 2140933 B GB2140933 B GB 2140933B
Authority
GB
United Kingdom
Prior art keywords
edge
display apparatus
graticule
illuminated
illuminated graticule
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
GB08412388A
Other versions
GB8412388D0 (en
GB2140933A (en
Inventor
William T Moore
Alan S Stuart
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.)
Rank Organization Ltd
Original Assignee
Rank Organization Ltd
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 GB838313763A external-priority patent/GB8313763D0/en
Application filed by Rank Organization Ltd filed Critical Rank Organization Ltd
Priority to GB08412388A priority Critical patent/GB2140933B/en
Publication of GB8412388D0 publication Critical patent/GB8412388D0/en
Publication of GB2140933A publication Critical patent/GB2140933A/en
Application granted granted Critical
Publication of GB2140933B publication Critical patent/GB2140933B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/32—Fiducial marks and measuring scales within the optical system

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
GB08412388A 1983-05-18 1984-05-15 Display apparatus having edge-illuminated graticule Expired GB2140933B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08412388A GB2140933B (en) 1983-05-18 1984-05-15 Display apparatus having edge-illuminated graticule

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838313763A GB8313763D0 (en) 1983-05-18 1983-05-18 Display apparatus
GB08412388A GB2140933B (en) 1983-05-18 1984-05-15 Display apparatus having edge-illuminated graticule

Publications (3)

Publication Number Publication Date
GB8412388D0 GB8412388D0 (en) 1984-06-20
GB2140933A GB2140933A (en) 1984-12-05
GB2140933B true GB2140933B (en) 1986-05-08

Family

ID=26286165

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08412388A Expired GB2140933B (en) 1983-05-18 1984-05-15 Display apparatus having edge-illuminated graticule

Country Status (1)

Country Link
GB (1) GB2140933B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4881796A (en) * 1988-08-08 1989-11-21 Ford Aerospace Corporation Single-aperture multi-spectral reticle projector
GB8915106D0 (en) * 1989-06-30 1990-04-25 Pilkington Perkin Elmer Ltd Telescopic optical device

Also Published As

Publication number Publication date
GB8412388D0 (en) 1984-06-20
GB2140933A (en) 1984-12-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960515