ATE21451T1 - Sextant. - Google Patents

Sextant.

Info

Publication number
ATE21451T1
ATE21451T1 AT82201570T AT82201570T ATE21451T1 AT E21451 T1 ATE21451 T1 AT E21451T1 AT 82201570 T AT82201570 T AT 82201570T AT 82201570 T AT82201570 T AT 82201570T AT E21451 T1 ATE21451 T1 AT E21451T1
Authority
AT
Austria
Prior art keywords
mirror
frame
circular arc
arc portion
viewing means
Prior art date
Application number
AT82201570T
Other languages
English (en)
Inventor
Santen Andries Van
Original Assignee
Nieuwe Rotterdamsche Instr
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 Nieuwe Rotterdamsche Instr filed Critical Nieuwe Rotterdamsche Instr
Application granted granted Critical
Publication of ATE21451T1 publication Critical patent/ATE21451T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C1/00—Measuring angles
    • G01C1/08—Sextants

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Eye Examination Apparatus (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Telescopes (AREA)
AT82201570T 1981-12-14 1982-12-09 Sextant. ATE21451T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8105610A NL8105610A (nl) 1981-12-14 1981-12-14 Sextant.
EP82201570A EP0082556B1 (de) 1981-12-14 1982-12-09 Sextant

Publications (1)

Publication Number Publication Date
ATE21451T1 true ATE21451T1 (de) 1986-08-15

Family

ID=19838536

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82201570T ATE21451T1 (de) 1981-12-14 1982-12-09 Sextant.

Country Status (4)

Country Link
EP (1) EP0082556B1 (de)
AT (1) ATE21451T1 (de)
DE (1) DE3272630D1 (de)
NL (1) NL8105610A (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE836104C (de) * 1940-10-29 1952-04-07 Deutsche Telephonwerk Kabel Abblendvorrichtung fuer Visiergeraete, insbesondere Sextanten
US2385978A (en) * 1942-10-17 1945-10-02 Bausch & Lomb Optical instrument
GB719151A (en) * 1952-04-02 1954-11-24 Bernard John Roberts Screening means for optical instruments
US4279463A (en) * 1979-09-07 1981-07-21 Little Robert T Combination sun-moon filter

Also Published As

Publication number Publication date
EP0082556A1 (de) 1983-06-29
NL8105610A (nl) 1983-07-01
DE3272630D1 (en) 1986-09-18
EP0082556B1 (de) 1986-08-13

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties