AT242381B - Optisches Instrument mit Dosenlibelle - Google Patents

Optisches Instrument mit Dosenlibelle

Info

Publication number
AT242381B
AT242381B AT115964A AT115964A AT242381B AT 242381 B AT242381 B AT 242381B AT 115964 A AT115964 A AT 115964A AT 115964 A AT115964 A AT 115964A AT 242381 B AT242381 B AT 242381B
Authority
AT
Austria
Prior art keywords
optical instrument
circular level
circular
level
instrument
Prior art date
Application number
AT115964A
Other languages
English (en)
Original Assignee
Zeiss Carl Fa
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 Zeiss Carl Fa filed Critical Zeiss Carl Fa
Application granted granted Critical
Publication of AT242381B publication Critical patent/AT242381B/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
    • G02B27/648—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake for automatically maintaining a reference alignment, e.g. in self-levelling surveying instruments

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
AT115964A 1963-02-15 1964-02-12 Optisches Instrument mit Dosenlibelle AT242381B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ9918A DE1203490B (de) 1963-02-15 1963-02-15 Optisches Beobachtungsinstrument (Zielfernrohr oder Ablesemikroskop) mit Dosenlibelle

Publications (1)

Publication Number Publication Date
AT242381B true AT242381B (de) 1965-09-10

Family

ID=7621114

Family Applications (1)

Application Number Title Priority Date Filing Date
AT115964A AT242381B (de) 1963-02-15 1964-02-12 Optisches Instrument mit Dosenlibelle

Country Status (4)

Country Link
US (1) US3377910A (de)
AT (1) AT242381B (de)
CH (1) CH418658A (de)
DE (1) DE1203490B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3531176A (en) * 1968-09-04 1970-09-29 Optical Res & Dev Corp Multiple telescope stabilizing optical system
US3608997A (en) * 1968-09-04 1971-09-28 Optigon Res & Dev Corp Focal plane stabilization system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1063761A (en) * 1911-06-07 1913-06-03 Arthur Cyril Webb Aldis Level and the like.
US1902387A (en) * 1930-03-08 1933-03-21 Goerz Optische Anstalt Ag Box shaped water level

Also Published As

Publication number Publication date
US3377910A (en) 1968-04-16
CH418658A (de) 1966-08-15
DE1203490B (de) 1965-10-21

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