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
  • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
  • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

Landscapes

• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Radar, Positioning & Navigation (AREA)
• Remote Sensing (AREA)
• Eye Examination Apparatus (AREA)
• Viewfinders (AREA)
• Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=3869763

Family Applications (1)

Country Status (6)

Families Citing this family (1)

• 0
  • NL NL42975D patent/NL42975C/xx active
  • BE BE407131D patent/BE407131A/xx unknown
• 1935
  • 1935-03-08 DE DE1935M0130354 patent/DE689273C/de not_active Expired
  • 1935-10-09 FR FR796057D patent/FR796057A/fr not_active Expired
  • 1935-10-11 GB GB28155/35A patent/GB447238A/en not_active Expired
  • 1935-10-19 US US45800A patent/US2033723A/en not_active Expired - Lifetime

Also Published As

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