FR793957A - Night time direction finder without error - Google Patents

Night time direction finder without error

Info

Publication number
FR793957A
FR793957A FR793957DA FR793957A FR 793957 A FR793957 A FR 793957A FR 793957D A FR793957D A FR 793957DA FR 793957 A FR793957 A FR 793957A
Authority
FR
France
Prior art keywords
error
time direction
night time
direction finder
finder
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR793957A publication Critical patent/FR793957A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR793957D 1934-11-14 1934-11-14 Night time direction finder without error Expired FR793957A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR793957T 1934-11-14

Publications (1)

Publication Number Publication Date
FR793957A true FR793957A (en) 1936-02-05

Family

ID=9233824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR793957D Expired FR793957A (en) 1934-11-14 1934-11-14 Night time direction finder without error

Country Status (1)

Country Link
FR (1) FR793957A (en)

Similar Documents

Publication Publication Date Title
FR47637E (en) Night-time error-free direction finder device
FR793957A (en) Night time direction finder without error
FR790778A (en) Rangefinder sight
FR783717A (en) Modulation systems
FR798481A (en) Aerial without night error for direction finders
FR780560A (en) Plow
FR792731A (en) Remote position indicator
FR789579A (en) Gyroscopic direction indicator
FR845551A (en) Direction finder without night effect
FR786365A (en) Telegraph receiver
FR773079A (en) Statuette pendulum
CH175380A (en) Orientation facility.
FR783987A (en) Space direction finder
FR790732A (en) Rangefinder
FR46030E (en) Rangefinder
FR792746A (en) Direction indicator
FR46047E (en) Direction indicator
DK50948C (en) Traffic signal.
FR784181A (en) Galvanic element
ES134079A1 (en) Improvements in signal systems.
DK51464C (en) Shake sights.
DK52393C (en) Galvanic Element.
FR772467A (en) Torpedo without wake
CA346482A (en) Fishing bob
DK50782C (en) Non-self-sharpening Ploughshare.