FR730663A - Device for monitoring radio-telegraph beacons - Google Patents

Device for monitoring radio-telegraph beacons

Info

Publication number
FR730663A
FR730663A FR730663DA FR730663A FR 730663 A FR730663 A FR 730663A FR 730663D A FR730663D A FR 730663DA FR 730663 A FR730663 A FR 730663A
Authority
FR
France
Prior art keywords
telegraph
beacons
monitoring radio
radio
monitoring
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
Other languages
French (fr)
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz 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 Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of FR730663A publication Critical patent/FR730663A/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
    • 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
    • G01S1/022—Means for monitoring or calibrating
    • G01S1/024—Means for monitoring or calibrating of beacon transmitters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Transmitters (AREA)
  • Selective Calling Equipment (AREA)
  • Circuits Of Receivers In General (AREA)
FR730663D 1931-02-13 1932-01-28 Device for monitoring radio-telegraph beacons Expired FR730663A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE380689X 1931-02-13

Publications (1)

Publication Number Publication Date
FR730663A true FR730663A (en) 1932-08-19

Family

ID=6348732

Family Applications (1)

Application Number Title Priority Date Filing Date
FR730663D Expired FR730663A (en) 1931-02-13 1932-01-28 Device for monitoring radio-telegraph beacons

Country Status (4)

Country Link
US (1) US1953239A (en)
BE (1) BE380689A (en)
FR (1) FR730663A (en)
GB (1) GB380689A (en)

Also Published As

Publication number Publication date
BE380689A (en)
US1953239A (en) 1934-04-03
GB380689A (en) 1932-09-22

Similar Documents

Publication Publication Date Title
FR730663A (en) Device for monitoring radio-telegraph beacons
FR737770A (en) Radio-electric device for determining directions
FR713819A (en) Braking device
FR730867A (en) Device for moving the main planes of phographic lenses
FR728714A (en) Release device
FR720097A (en) Safety device for steps
FR718724A (en) Frequency monitoring device
FR733357A (en) Drip-absorbing device for containers
FR755198A (en) Rescue device for submarines
FR718676A (en) Device for the selective formation of any subtotals
FR778452A (en) Monitoring device for signal installations
FR728660A (en) Magnetic device for the production of force
FR692897A (en) Advanced device for deflation alarm
FR692896A (en) Advanced device for deflation alarm
FR738628A (en) Cutting device
FR707152A (en) Discharge device for centrifuges
FR723470A (en) Advanced sealed piston device
FR713533A (en) Cooling device for rectifier anodes
FR737195A (en) Aircraft rescue device
FR740135A (en) Polysonic signal device, especially for cars
FR777026A (en) Track section monitoring device
FR794027A (en) Device for temperature monitoring
FR730631A (en) Adjustment device for railcars
FR774106A (en) Monitoring installation, in particular for light signals
FR736204A (en) Tap-meter device