GB1293808A - Improvements in binoculars - Google Patents

Improvements in binoculars

Info

Publication number
GB1293808A
GB1293808A GB26025/70A GB2602570A GB1293808A GB 1293808 A GB1293808 A GB 1293808A GB 26025/70 A GB26025/70 A GB 26025/70A GB 2602570 A GB2602570 A GB 2602570A GB 1293808 A GB1293808 A GB 1293808A
Authority
GB
United Kingdom
Prior art keywords
compass
dec
objective
lens barrel
focal plane
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
GB26025/70A
Inventor
John Hepplewhite
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
Priority to FR7046299A priority Critical patent/FR2075074A5/fr
Publication of GB1293808A publication Critical patent/GB1293808A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/10—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors reflecting into the field of view additional indications, e.g. from collimator
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0179—Display position adjusting means not related to the information to be displayed
    • G02B2027/0187—Display position adjusting means not related to the information to be displayed slaved to motion of at least a part of the body of the user, e.g. head, eye

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Astronomy & Astrophysics (AREA)
  • Optics & Photonics (AREA)
  • Telescopes (AREA)

Abstract

1293808 Direction finding J HEPPLEWHITE 23 Dec 1970 [23 Dec 1969 2 Jan 1970] 62656/69 and 244/70 Heading G1F [Also in Division G2] In a pair of prismatic binoculars, a compass capsule 14 is mounted in one lens barrel 6 connecting one of the objectives with an associated Porro prism system and eye-piece 12, an optical system including convex lenses 60, 62 being provided to project a magnified image of an illuminated part of an edge scale (26) of the compass card 20 into the focal plane of the objective so that a distant object and its bearing may be viewed simultaneously. The compass capsule 14 is preferably located between the objective and its focal plane, but is positioned so as to obstruct only partially light passing through the lens barrel. The compass card 20 is preferably illuminated by an electric light bulb 36 controlled by remotely housed switch 46, rheostat 48 and battery (75).
GB26025/70A 1969-12-23 1969-12-23 Improvements in binoculars Expired GB1293808A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7046299A FR2075074A5 (en) 1969-12-23 1970-12-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6265669 1969-12-23

Publications (1)

Publication Number Publication Date
GB1293808A true GB1293808A (en) 1972-10-25

Family

ID=10488353

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26025/70A Expired GB1293808A (en) 1969-12-23 1969-12-23 Improvements in binoculars

Country Status (2)

Country Link
GB (1) GB1293808A (en)
ZA (1) ZA708632B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402140A (en) * 1977-12-02 1983-09-06 Shoichi Nagae Telescope with compass
US4594788A (en) * 1985-05-31 1986-06-17 Abergel Reuven A Light-tight combination micrographic map-reader protractor compass
AU571231B2 (en) * 1983-04-08 1988-04-14 Carl Steiner System for introducing by reflection additional information into binoculars
US5151753A (en) * 1990-10-10 1992-09-29 Whitman Iii Hobart A Non-parallax optical sighting instrument
CN105143955A (en) * 2013-04-18 2015-12-09 施泰纳光学有限公司 Battery compartment screen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402140A (en) * 1977-12-02 1983-09-06 Shoichi Nagae Telescope with compass
AU571231B2 (en) * 1983-04-08 1988-04-14 Carl Steiner System for introducing by reflection additional information into binoculars
US4594788A (en) * 1985-05-31 1986-06-17 Abergel Reuven A Light-tight combination micrographic map-reader protractor compass
US5151753A (en) * 1990-10-10 1992-09-29 Whitman Iii Hobart A Non-parallax optical sighting instrument
CN105143955A (en) * 2013-04-18 2015-12-09 施泰纳光学有限公司 Battery compartment screen
US20160054125A1 (en) * 2013-04-18 2016-02-25 Steiner-Optik Gmbh Battery compartment screen
CN105143955B (en) * 2013-04-18 2018-09-28 施泰纳光学有限公司 The screening arrangement of battery case

Also Published As

Publication number Publication date
ZA708632B (en) 1972-08-30

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees