FR864008A - Electro-magnetic obstacle detection method by zero method, device realizing it and its applications - Google Patents

Electro-magnetic obstacle detection method by zero method, device realizing it and its applications

Info

Publication number
FR864008A
FR864008A FR864008DA FR864008A FR 864008 A FR864008 A FR 864008A FR 864008D A FR864008D A FR 864008DA FR 864008 A FR864008 A FR 864008A
Authority
FR
France
Prior art keywords
electro
applications
obstacle detection
device realizing
detection method
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.)
SOC IND DES PROCEDES LOTH
Original Assignee
SOC IND DES PROCEDES LOTH
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 SOC IND DES PROCEDES LOTH filed Critical SOC IND DES PROCEDES LOTH
Application granted granted Critical
Publication of FR864008A publication Critical patent/FR864008A/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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
FR864008D 1939-11-10 1939-11-10 Electro-magnetic obstacle detection method by zero method, device realizing it and its applications Expired FR864008A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR864008T 1939-11-10

Publications (1)

Publication Number Publication Date
FR864008A true FR864008A (en) 1941-04-16

Family

ID=9343596

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864008D Expired FR864008A (en) 1939-11-10 1939-11-10 Electro-magnetic obstacle detection method by zero method, device realizing it and its applications

Country Status (1)

Country Link
FR (1) FR864008A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5452639A (en) * 1992-12-16 1995-09-26 Tzn Forschungs- Und Entwicklungszentrum Unterluss Gmbh Arrangement for locating below-ground ammunition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5452639A (en) * 1992-12-16 1995-09-26 Tzn Forschungs- Und Entwicklungszentrum Unterluss Gmbh Arrangement for locating below-ground ammunition
AT404302B (en) * 1992-12-16 1998-10-27 Tzn Forschung & Entwicklung DEVICE FOR LOCATING UNDER THE GROUND SURFACE OF AMMUNITION

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