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GB2044476B - Biocular viewing optical apparatus - Google Patents

Biocular viewing optical apparatus

Info

Publication number
GB2044476B
GB2044476B GB7939907A GB7939907A GB2044476B GB 2044476 B GB2044476 B GB 2044476B GB 7939907 A GB7939907 A GB 7939907A GB 7939907 A GB7939907 A GB 7939907A GB 2044476 B GB2044476 B GB 2044476B
Authority
GB
United Kingdom
Prior art keywords
optical apparatus
viewing optical
biocular viewing
biocular
viewing
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
GB7939907A
Other versions
GB2044476A (en
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.)
Qioptiq Ltd
Original Assignee
Pilkington PE 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 Pilkington PE Ltd filed Critical Pilkington PE Ltd
Priority to GB7939907A priority Critical patent/GB2044476B/en
Priority to NL7908578A priority patent/NL7908578A/en
Publication of GB2044476A publication Critical patent/GB2044476A/en
Application granted granted Critical
Publication of GB2044476B publication Critical patent/GB2044476B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
    • G02B17/086—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors wherein the system is made of a single block of optical material, e.g. solid catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0804—Catadioptric systems using two curved mirrors
    • G02B17/0808—Catadioptric systems using two curved mirrors on-axis systems with at least one of the mirrors having a central aperture
    • 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
    • G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
    • 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
    • G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
    • G02B23/18—Housings; Caps; Mountings; Supports, e.g. with counterweight for binocular arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Lenses (AREA)
GB7939907A 1978-11-29 1979-11-19 Biocular viewing optical apparatus Expired GB2044476B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB7939907A GB2044476B (en) 1978-11-29 1979-11-19 Biocular viewing optical apparatus
NL7908578A NL7908578A (en) 1978-11-29 1979-11-26 OPTICAL SYSTEM.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7846547 1978-11-29
GB7939907A GB2044476B (en) 1978-11-29 1979-11-19 Biocular viewing optical apparatus

Publications (2)

Publication Number Publication Date
GB2044476A GB2044476A (en) 1980-10-15
GB2044476B true GB2044476B (en) 1982-11-17

Family

ID=26269789

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7939907A Expired GB2044476B (en) 1978-11-29 1979-11-19 Biocular viewing optical apparatus

Country Status (2)

Country Link
GB (1) GB2044476B (en)
NL (1) NL7908578A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2589255B1 (en) * 1983-11-16 1988-05-13 Trt Telecom Radio Electr DISTORTION-FREE SIGHT USING HOLOGRAPHIC COMPONENTS AND METHODS OF MAKING SAID HOLOGRAPHIC COMPONENTS
GB8622378D0 (en) * 1986-09-17 1987-01-14 Gec Avionics Helmet systems
GB2292227A (en) * 1994-08-10 1996-02-14 Ian Marshall Binocular magnifier having concave mirror
IL111107A (en) * 1994-09-29 1999-04-11 Eisenberg Shai Optical apparatus
US5930055A (en) * 1994-09-29 1999-07-27 Eisenberg; Yeshayahu S. Lens apparatus
JP4573393B2 (en) * 2000-01-06 2010-11-04 オリンパス株式会社 Image display device
KR100444981B1 (en) 2000-12-15 2004-08-21 삼성전자주식회사 Wearable display system

Also Published As

Publication number Publication date
NL7908578A (en) 1980-06-02
GB2044476A (en) 1980-10-15

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Legal Events

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