NL7301679A - - Google Patents

Info

Publication number
NL7301679A
NL7301679A NL7301679A NL7301679A NL7301679A NL 7301679 A NL7301679 A NL 7301679A NL 7301679 A NL7301679 A NL 7301679A NL 7301679 A NL7301679 A NL 7301679A NL 7301679 A NL7301679 A NL 7301679A
Authority
NL
Netherlands
Application number
NL7301679A
Other versions
NL181054B (nl
NL181054C (nl
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 filed Critical
Publication of NL7301679A publication Critical patent/NL7301679A/xx
Publication of NL181054B publication Critical patent/NL181054B/xx
Application granted granted Critical
Publication of NL181054C publication Critical patent/NL181054C/xx

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)
  • Lenses (AREA)
NL7301679A 1972-02-17 1973-02-07 Vergrootlens waarin met beide ogen kan worden gekeken en die sneller is dan f/1,0, in het bijzonder oculair voor inrichtingen voor nachtelijk zien. NL181054C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB751072A GB1389564A (en) 1972-02-17 1972-02-17 Lenses

Publications (3)

Publication Number Publication Date
NL7301679A true NL7301679A (en:Method) 1973-08-21
NL181054B NL181054B (nl) 1987-01-02
NL181054C NL181054C (nl) 1987-06-01

Family

ID=9834512

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7301679A NL181054C (nl) 1972-02-17 1973-02-07 Vergrootlens waarin met beide ogen kan worden gekeken en die sneller is dan f/1,0, in het bijzonder oculair voor inrichtingen voor nachtelijk zien.

Country Status (5)

Country Link
JP (1) JPS4897550A (en:Method)
DE (1) DE2307598A1 (en:Method)
FR (1) FR2172415B1 (en:Method)
GB (1) GB1389564A (en:Method)
NL (1) NL181054C (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322135A (en) 1978-11-29 1982-03-30 Pilkington P. E. Limited Optical apparatus
US4392710A (en) 1979-11-22 1983-07-12 Pilkington P. E. Limited Optical apparatus
FR2535860B1 (fr) * 1982-11-10 1986-02-28 Trt Telecom Radio Electr Loupe bioculaire

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1478704A (en) * 1921-08-13 1923-12-25 Zeiss Carl Fa Ocular

Also Published As

Publication number Publication date
FR2172415B1 (en:Method) 1977-07-22
JPS4897550A (en:Method) 1973-12-12
FR2172415A1 (en:Method) 1973-09-28
GB1389564A (en) 1975-04-03
NL181054B (nl) 1987-01-02
NL181054C (nl) 1987-06-01
DE2307598A1 (de) 1973-08-23

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Lapsed because of reaching the maxim lifetime of a patent