FR846500A - - Google Patents

Info

Publication number
FR846500A
FR846500A FR846500DA FR846500A FR 846500 A FR846500 A FR 846500A FR 846500D A FR846500D A FR 846500DA FR 846500 A FR846500 A FR 846500A
Authority
FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR846500A publication Critical patent/FR846500A/fr
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)
  • Arrangements For Transmission Of Measured Signals (AREA)
FR846500D 1938-05-13 1938-05-13 Expired FR846500A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2475190X 1938-05-13

Publications (1)

Publication Number Publication Date
FR846500A true FR846500A (fr) 1939-09-18

Family

ID=9685622

Family Applications (4)

Application Number Title Priority Date Filing Date
FR846500D Expired FR846500A (fr) 1938-05-13 1938-05-13
FR50655D Expired FR50655E (fr) 1938-05-13 1939-02-10 Perfectionnements apportés à la goniométrie
FR51301D Expired FR51301E (fr) 1938-05-13 1939-04-25 Perfectionnements apportés à la goniométrie
FR51474D Expired FR51474E (fr) 1938-05-13 1939-05-11 Perfectionnements apportés à la goniométrie

Family Applications After (3)

Application Number Title Priority Date Filing Date
FR50655D Expired FR50655E (fr) 1938-05-13 1939-02-10 Perfectionnements apportés à la goniométrie
FR51301D Expired FR51301E (fr) 1938-05-13 1939-04-25 Perfectionnements apportés à la goniométrie
FR51474D Expired FR51474E (fr) 1938-05-13 1939-05-11 Perfectionnements apportés à la goniométrie

Country Status (2)

Country Link
US (1) US2475190A (fr)
FR (4) FR846500A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2599287A (en) * 1950-05-23 1952-06-03 Gen Electric Wide frequency range power-factor meter
US3226638A (en) * 1962-02-26 1965-12-28 Virginia R Brain Apparatus for use in phase relationship determinations including a plurality of coils mounted on a flat structural member

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US982930A (en) * 1907-03-18 1911-01-31 Donald M Bliss Electric signaling device.
US1183881A (en) * 1911-08-31 1916-05-23 Carl G Koppitz Apparatus for interconverting high-potential polyphase and direct electric currents.
FR478456A (fr) * 1914-05-23 1915-12-15 Societa Anonima Italiana Gio Ansaldo & C Nouveau dispositif de commande des hélices
FR631558A (fr) * 1926-04-03 1927-12-22 Perfectionnements à la goniométrie magnétique et radioélectrique
US1774458A (en) * 1927-09-22 1930-08-26 Gen Electric Compass
GB339664A (en) * 1929-08-13 1930-12-15 Arthur Whitten Brown Improvements in wireless direction finding systems
US1982689A (en) * 1931-03-16 1934-12-04 Johnson Lab Inc Magnetic core material
US2151917A (en) * 1935-07-24 1939-03-28 Bendix Radio Corp Radio apparatus
NL54191C (nl) * 1936-01-28 1943-04-15 Telefunken Gmbh Goniometer met ijzerhoudend materiaal voor peildoeleinden

Also Published As

Publication number Publication date
FR51474E (fr) 1942-08-12
FR50655E (fr) 1941-02-20
FR51301E (fr) 1942-04-15
US2475190A (en) 1949-07-05

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