GB245034A - Improvements in or relating to range-finders - Google Patents

Improvements in or relating to range-finders

Info

Publication number
GB245034A
GB245034A GB2036725A GB2036725A GB245034A GB 245034 A GB245034 A GB 245034A GB 2036725 A GB2036725 A GB 2036725A GB 2036725 A GB2036725 A GB 2036725A GB 245034 A GB245034 A GB 245034A
Authority
GB
United Kingdom
Prior art keywords
range
wheel
altitude
spiral members
proportional
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
GB2036725A
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.)
Optische Anstalt CP Goerz AG
Original Assignee
Optische Anstalt CP Goerz 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 Optische Anstalt CP Goerz AG filed Critical Optische Anstalt CP Goerz AG
Priority to GB2036725A priority Critical patent/GB245034A/en
Publication of GB245034A publication Critical patent/GB245034A/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
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders

Landscapes

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

Abstract

245,034. Dicker, S. G. S., (Goerz Optische Anstalt Akt.-Ges., C. P.). Aug. 13, 1925. Range-finders for indicating the distance of aircraft of the kind fitted with a differential gear operated by the range-setting member and by the altitude-setting member in such a manner that the motion of the planet wheel of the gear is proportional to the log. of the height. The movement of the range-setting member g<s>, operating rotating prisms d<1>, d<2> is communicated to one bevel wheel i<3> of the differential gear through spiral members h<2>, i<1>, so that the rotation of the wheel i<3> is proportional to log range. Similarly the movement in altitude of the range-finder is communicated to the other bevel wheel m<3> of the differential gear by spiral members l<2>, m<2> so that rotation of the wheel m<3> is proportional to log. sin altitude angle. The altitude is read off a drum j‹ attached to the planet wheel bearing. The spiral members are each provided with two flexible bands laid around their peripheral surfaces, one in a clockwise direction round one member and in an anti-clockwise direction round the other member, and the other band oppositely so as to ensure positive actuation of one member by the other. One of the bands may be connected to one of the spiral members by a tension spring.
GB2036725A 1925-08-13 1925-08-13 Improvements in or relating to range-finders Expired GB245034A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2036725A GB245034A (en) 1925-08-13 1925-08-13 Improvements in or relating to range-finders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2036725A GB245034A (en) 1925-08-13 1925-08-13 Improvements in or relating to range-finders

Publications (1)

Publication Number Publication Date
GB245034A true GB245034A (en) 1925-12-31

Family

ID=10144753

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2036725A Expired GB245034A (en) 1925-08-13 1925-08-13 Improvements in or relating to range-finders

Country Status (1)

Country Link
GB (1) GB245034A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444770A (en) * 1943-06-28 1948-07-06 Gen Electric Height computing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444770A (en) * 1943-06-28 1948-07-06 Gen Electric Height computing apparatus

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