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
NL181054C (nl
NL181054B (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 (de) 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 (de)
DE (1) DE2307598A1 (de)
FR (1) FR2172415B1 (de)
GB (1) GB1389564A (de)
NL (1) NL181054C (de)

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

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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