GB782151A - Goniometer - Google Patents

Goniometer

Info

Publication number
GB782151A
GB782151A GB5072/53A GB507253A GB782151A GB 782151 A GB782151 A GB 782151A GB 5072/53 A GB5072/53 A GB 5072/53A GB 507253 A GB507253 A GB 507253A GB 782151 A GB782151 A GB 782151A
Authority
GB
United Kingdom
Prior art keywords
graduations
zero
circle
diametrically opposite
feb
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
GB5072/53A
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.)
Leica Aarau AG
Original Assignee
Kern and Co AG
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 Kern and Co AG filed Critical Kern and Co AG
Publication of GB782151A publication Critical patent/GB782151A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C1/00—Measuring angles
    • G01C1/02—Theodolites

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Lenses (AREA)

Abstract

782,151. Optical apparatus. KERN & CO. AKT.-GES. Feb. 23, 1953 [Feb. 23, 1952], No. 5072/53. Class 97(1) In a goniometer comprising a graduated circle and an optical viewing device by which images of two diametrically opposite positions of the circle are brought into a common field of view, the circle has two diametrically opposite zero positions the graduations are one side of each zero being finer than those on the opposite side and the finer graduations being diametrically opposite the other graduations so that images of fine and coarse graduations appear in the common field of view. As shown the graduations are indicated positively and negatively on the two sides of the zero. Two concentric circular scales may be provided or the two circles may be on coaxial circles in different planes.
GB5072/53A 1952-02-23 1953-02-23 Goniometer Expired GB782151A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH782151X 1952-02-23

Publications (1)

Publication Number Publication Date
GB782151A true GB782151A (en) 1957-09-04

Family

ID=4536307

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5072/53A Expired GB782151A (en) 1952-02-23 1953-02-23 Goniometer

Country Status (1)

Country Link
GB (1) GB782151A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105092625A (en) * 2015-09-15 2015-11-25 中国地质调查局南京地质调查中心 Method and device for coupling zero point of goniometer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105092625A (en) * 2015-09-15 2015-11-25 中国地质调查局南京地质调查中心 Method and device for coupling zero point of goniometer
CN105092625B (en) * 2015-09-15 2018-09-14 中国地质调查局南京地质调查中心 A kind of method and device of coupling angular instrument zero

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