CA1017432A - Proximity indication with range and bearing measurements - Google Patents

Proximity indication with range and bearing measurements

Info

Publication number
CA1017432A
CA1017432A CA245,505A CA245505A CA1017432A CA 1017432 A CA1017432 A CA 1017432A CA 245505 A CA245505 A CA 245505A CA 1017432 A CA1017432 A CA 1017432A
Authority
CA
Canada
Prior art keywords
range
proximity indication
bearing measurements
measurements
bearing
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
CA245,505A
Inventor
George B. Litchford
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.)
Litchstreet Co
Original Assignee
Litchstreet Co
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
Priority claimed from CA148,404A external-priority patent/CA1011438A/en
Application filed by Litchstreet Co filed Critical Litchstreet Co
Priority to CA245,505A priority Critical patent/CA1017432A/en
Application granted granted Critical
Publication of CA1017432A publication Critical patent/CA1017432A/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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • G01S13/781—Secondary Surveillance Radar [SSR] in general
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/12—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
CA245,505A 1971-09-15 1976-02-11 Proximity indication with range and bearing measurements Expired CA1017432A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA245,505A CA1017432A (en) 1971-09-15 1976-02-11 Proximity indication with range and bearing measurements

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18057871A 1971-09-15 1971-09-15
CA148,404A CA1011438A (en) 1971-09-15 1972-08-01 Slant range determining device and method
CA245,505A CA1017432A (en) 1971-09-15 1976-02-11 Proximity indication with range and bearing measurements

Publications (1)

Publication Number Publication Date
CA1017432A true CA1017432A (en) 1977-09-13

Family

ID=27162178

Family Applications (1)

Application Number Title Priority Date Filing Date
CA245,505A Expired CA1017432A (en) 1971-09-15 1976-02-11 Proximity indication with range and bearing measurements

Country Status (1)

Country Link
CA (1) CA1017432A (en)

Similar Documents

Publication Publication Date Title
CA958057A (en) Bearing construction
CA956357A (en) Needle bearing
CA945361A (en) Circumference measuring device
CA999970A (en) Measuring fuel consumption
CA960053A (en) Pivot joint with visual preload indicator
CA945194A (en) Bearing
CA949633A (en) Bearing arrangement
CA1016632A (en) Proximity indication with range and bearing measurements
CA1016633A (en) Proximity indication with range and bearing measurements
CA1017432A (en) Proximity indication with range and bearing measurements
CA860911A (en) Tampons and the like
SU590706A1 (en) Level measuring and indicating device
CA1017038A (en) Proximity indication with range and bearing measurements
AU453069B2 (en) Cis-zearalenone and cis-zearalenol
CA975554A (en) Proximity sensor with zero adjustment
CA958011A (en) 5-nitro-2-thiazolecarboxamidoxime and derivatives thereof
AU3170471A (en) Measuring and making gauge
CA862779A (en) Cyanoalkoxyalkenyl and aminoalkoxyalkenylsilanes
CA872352A (en) Friction measurement
CA867514A (en) Arrangement for determining and digitally indicating the displacement of moving bodies
CA1022653A (en) Bearing determining device and methods
CA879934A (en) Magnetic proximity detector and the like
CA947066A (en) Linear measuring instrument with telescopic elements
CA863796A (en) Bearing with seal
CA860528A (en) Distance measurement