GB1556511A - Optical systems - Google Patents

Optical systems

Info

Publication number
GB1556511A
GB1556511A GB5024276A GB5024276A GB1556511A GB 1556511 A GB1556511 A GB 1556511A GB 5024276 A GB5024276 A GB 5024276A GB 5024276 A GB5024276 A GB 5024276A GB 1556511 A GB1556511 A GB 1556511A
Authority
GB
United Kingdom
Prior art keywords
optical systems
optical
systems
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
GB5024276A
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 GB5024276A priority Critical patent/GB1556511A/en
Priority to US05/855,628 priority patent/US4178072A/en
Publication of GB1556511A publication Critical patent/GB1556511A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/002—Magnifying glasses
    • G02B25/004—Magnifying glasses having binocular arrangement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
GB5024276A 1975-06-07 1976-12-02 Optical systems Expired GB1556511A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB5024276A GB1556511A (en) 1976-12-02 1976-12-02 Optical systems
US05/855,628 US4178072A (en) 1975-06-07 1977-11-29 Optical systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5024276A GB1556511A (en) 1976-12-02 1976-12-02 Optical systems

Publications (1)

Publication Number Publication Date
GB1556511A true GB1556511A (en) 1979-11-28

Family

ID=10455197

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5024276A Expired GB1556511A (en) 1975-06-07 1976-12-02 Optical systems

Country Status (1)

Country Link
GB (1) GB1556511A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392710A (en) 1979-11-22 1983-07-12 Pilkington P. E. Limited Optical apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392710A (en) 1979-11-22 1983-07-12 Pilkington P. E. Limited Optical apparatus

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Legal Events

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