GB1512738A - Selectively shuttered graticule - Google Patents

Selectively shuttered graticule

Info

Publication number
GB1512738A
GB1512738A GB1316676A GB1316676A GB1512738A GB 1512738 A GB1512738 A GB 1512738A GB 1316676 A GB1316676 A GB 1316676A GB 1316676 A GB1316676 A GB 1316676A GB 1512738 A GB1512738 A GB 1512738A
Authority
GB
United Kingdom
Prior art keywords
graticule
shuttered
selectively
shutter
selectively shuttered
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
GB1316676A
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.)
MEL EQUIPMENT CO Ltd
Original Assignee
MEL EQUIPMENT CO 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
Application filed by MEL EQUIPMENT CO Ltd filed Critical MEL EQUIPMENT CO Ltd
Priority to GB1316676A priority Critical patent/GB1512738A/en
Publication of GB1512738A publication Critical patent/GB1512738A/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)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

1512738 Graticule MEL EQUIPMENT CO Ltd 21 Feb 1977 [1 April 1976] 13166/76 Heading G2J A movable shutter is provided, spaced from an illuminated graticule to change the indication. The shutter is perforated to allow the diverging light from the graticule to pass unobstructed to a collimating system from whence it is projected into the field of view of e.g. an aiming device.
GB1316676A 1977-02-21 1977-02-21 Selectively shuttered graticule Expired GB1512738A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1316676A GB1512738A (en) 1977-02-21 1977-02-21 Selectively shuttered graticule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1316676A GB1512738A (en) 1977-02-21 1977-02-21 Selectively shuttered graticule

Publications (1)

Publication Number Publication Date
GB1512738A true GB1512738A (en) 1978-06-01

Family

ID=10018075

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1316676A Expired GB1512738A (en) 1977-02-21 1977-02-21 Selectively shuttered graticule

Country Status (1)

Country Link
GB (1) GB1512738A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0069575A2 (en) * 1981-07-07 1983-01-12 Ring Sights Limited Improved collimator gun sight

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0069575A2 (en) * 1981-07-07 1983-01-12 Ring Sights Limited Improved collimator gun sight
EP0069575A3 (en) * 1981-07-07 1984-03-21 Ring Sights Limited Improved collimator gun sight

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Legal Events

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