GB372819A - Improvements in and relating to apparatus for determining the height of aircraft - Google Patents

Improvements in and relating to apparatus for determining the height of aircraft

Info

Publication number
GB372819A
GB372819A GB443331A GB443331A GB372819A GB 372819 A GB372819 A GB 372819A GB 443331 A GB443331 A GB 443331A GB 443331 A GB443331 A GB 443331A GB 372819 A GB372819 A GB 372819A
Authority
GB
United Kingdom
Prior art keywords
aircraft
height
feb
open
altitude
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
GB443331A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB372819A publication Critical patent/GB372819A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G01S11/023—Systems for determining distance or velocity not using reflection or reradiation using radio waves using impedance elements varying with distance

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

372,819. Indicating proximity of earth. JUNKERS, H., 21, Kaiserplatz, Anhalt, Dessau, Germany. Feb. 12, 1931, No. 4433. Convention date, Feb. 12, 1930. [Class 37.] Apparatus for indicating directly the height of aircraft comprises an open oscillatory circuit A and, loosely coupled therewith, a fixed frequency selfexcited oscillator B tuned so that they may be considered in resonance at an infinite altitude. A current meter M in the open oscillatory c i r c u i t can therefore be calibrated directly in metres &c., to show ascending or descending positions of the aircraft, the deflection occurring in the same sense as the altitude variation. A dynatron or other damping resistance may be connected in the open circuit A.
GB443331A 1930-02-13 1931-02-12 Improvements in and relating to apparatus for determining the height of aircraft Expired GB372819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE532884T 1930-02-13

Publications (1)

Publication Number Publication Date
GB372819A true GB372819A (en) 1932-05-12

Family

ID=34122312

Family Applications (1)

Application Number Title Priority Date Filing Date
GB443331A Expired GB372819A (en) 1930-02-13 1931-02-12 Improvements in and relating to apparatus for determining the height of aircraft

Country Status (3)

Country Link
DE (1) DE532884C (en)
FR (1) FR710656A (en)
GB (1) GB372819A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491276A (en) * 1948-04-20 1949-12-13 Bell Telephone Labor Inc Radio transmission control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491276A (en) * 1948-04-20 1949-12-13 Bell Telephone Labor Inc Radio transmission control

Also Published As

Publication number Publication date
FR710656A (en) 1931-08-27
DE532884C (en) 1931-09-05

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