DE218700C - - Google Patents

Info

Publication number
DE218700C
DE218700C DENDAT218700D DE218700DA DE218700C DE 218700 C DE218700 C DE 218700C DE NDAT218700 D DENDAT218700 D DE NDAT218700D DE 218700D A DE218700D A DE 218700DA DE 218700 C DE218700 C DE 218700C
Authority
DE
Germany
Prior art keywords
compass
selenium
cylinder
exposed
lenses
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.)
Active
Application number
DENDAT218700D
Other languages
German (de)
English (en)
Publication of DE218700C publication Critical patent/DE218700C/de
Active legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02Magnetic compasses
    • G01C17/04Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • G01C17/20Observing the compass card or needle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H25/00Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/02Initiating means for steering, for slowing down, otherwise than by use of propulsive elements, or for dynamic anchoring
    • B63H25/04Initiating means for steering, for slowing down, otherwise than by use of propulsive elements, or for dynamic anchoring automatic, e.g. reacting to compass
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
DENDAT218700D Active DE218700C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE218700C true DE218700C (enrdf_load_stackoverflow)

Family

ID=479901

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT218700D Active DE218700C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE218700C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758272C (de) * 1933-09-27 1954-03-22 Siemens Schuckertwerke A G Die Anwendung lichtelektrischer Mittel in Sicherheitseinrichtungen fuer regelbare Antriebe, insbesondere fuer elektrisch angetriebene Foerdermaschinen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758272C (de) * 1933-09-27 1954-03-22 Siemens Schuckertwerke A G Die Anwendung lichtelektrischer Mittel in Sicherheitseinrichtungen fuer regelbare Antriebe, insbesondere fuer elektrisch angetriebene Foerdermaschinen

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