FR812975A - Improvements in obstacle detection by electromagnetic waves - Google Patents

Improvements in obstacle detection by electromagnetic waves

Info

Publication number
FR812975A
FR812975A FR812975DA FR812975A FR 812975 A FR812975 A FR 812975A FR 812975D A FR812975D A FR 812975DA FR 812975 A FR812975 A FR 812975A
Authority
FR
France
Prior art keywords
electromagnetic waves
obstacle detection
obstacle
detection
waves
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR812975A publication Critical patent/FR812975A/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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/04—Display arrangements
    • G01S7/06—Cathode-ray tube displays or other two dimensional or three-dimensional displays
    • G01S7/10—Providing two-dimensional and co-ordinated display of distance and direction
    • 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
FR812975D 1936-01-29 1936-01-29 Improvements in obstacle detection by electromagnetic waves Expired FR812975A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR739208X 1936-01-29

Publications (1)

Publication Number Publication Date
FR812975A true FR812975A (en) 1937-05-21

Family

ID=9132627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR812975D Expired FR812975A (en) 1936-01-29 1936-01-29 Improvements in obstacle detection by electromagnetic waves

Country Status (2)

Country Link
DE (1) DE739208C (en)
FR (1) FR812975A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430283A (en) * 1945-04-13 1947-11-04 Rca Corp Radio distance and direction recorder
US2435253A (en) * 1940-05-13 1948-02-03 Submarine Signal Co System for sound ranging
US2440777A (en) * 1937-04-29 1948-05-04 Sperry Corp Tridimensional radio direction indicator
US2455673A (en) * 1942-01-19 1948-12-07 Rca Corp Distance selective system
US2471516A (en) * 1941-12-20 1949-05-31 Bell Telephone Labor Inc Plan position indicating system and method
US2617982A (en) * 1942-04-30 1952-11-11 Sperry Corp Radio gun control system
DE767458C (en) * 1937-11-05 1953-01-26 Telefunken Gmbh Device for determining the distance of a pilot balloon from a ground station
US2653312A (en) * 1945-08-01 1953-09-22 Leland J Haworth Indicator apparatus for radio object locating systems
US2837735A (en) * 1938-09-30 1958-06-03 Rca Corp Pulse echo radio locator system
DE970278C (en) * 1939-12-05 1958-09-04 Cossor Ltd A C Device for displaying the distance and direction of bodies from an observation point

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE925198C (en) * 1936-04-28 1955-03-14 Telefunken Gmbh Device for the simultaneous display of both the distance and the exact direction of several reflective objects
DE1034227B (en) * 1953-08-25 1958-07-17 Bendix Aviat Corp Device for the retroreflective location

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440777A (en) * 1937-04-29 1948-05-04 Sperry Corp Tridimensional radio direction indicator
DE767458C (en) * 1937-11-05 1953-01-26 Telefunken Gmbh Device for determining the distance of a pilot balloon from a ground station
US2837735A (en) * 1938-09-30 1958-06-03 Rca Corp Pulse echo radio locator system
DE970278C (en) * 1939-12-05 1958-09-04 Cossor Ltd A C Device for displaying the distance and direction of bodies from an observation point
US2435253A (en) * 1940-05-13 1948-02-03 Submarine Signal Co System for sound ranging
US2471516A (en) * 1941-12-20 1949-05-31 Bell Telephone Labor Inc Plan position indicating system and method
US2455673A (en) * 1942-01-19 1948-12-07 Rca Corp Distance selective system
US2617982A (en) * 1942-04-30 1952-11-11 Sperry Corp Radio gun control system
US2430283A (en) * 1945-04-13 1947-11-04 Rca Corp Radio distance and direction recorder
US2653312A (en) * 1945-08-01 1953-09-22 Leland J Haworth Indicator apparatus for radio object locating systems

Also Published As

Publication number Publication date
DE739208C (en) 1943-09-15

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