FR855244A - Procédés et moyens de guidage par ondes électromagnétiques - Google Patents

Procédés et moyens de guidage par ondes électromagnétiques

Info

Publication number
FR855244A
FR855244A FR855244DA FR855244A FR 855244 A FR855244 A FR 855244A FR 855244D A FR855244D A FR 855244DA FR 855244 A FR855244 A FR 855244A
Authority
FR
France
Prior art keywords
guidance
methods
electromagnetic waves
waves
electromagnetic
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
English (en)
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
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR855244A publication Critical patent/FR855244A/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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Mobile Radio Communication Systems (AREA)
FR855244D 1938-05-28 1939-05-24 Procédés et moyens de guidage par ondes électromagnétiques Expired FR855244A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US210675A US2212230A (en) 1938-05-28 1938-05-28 Airplane guiding beacon

Publications (1)

Publication Number Publication Date
FR855244A true FR855244A (fr) 1940-05-06

Family

ID=21980560

Family Applications (2)

Application Number Title Priority Date Filing Date
FR866436D Expired FR866436A (fr) 1938-05-28 1939-05-19 Radio-phare
FR855244D Expired FR855244A (fr) 1938-05-28 1939-05-24 Procédés et moyens de guidage par ondes électromagnétiques

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR866436D Expired FR866436A (fr) 1938-05-28 1939-05-19 Radio-phare

Country Status (6)

Country Link
US (1) US2212230A (fr)
BE (1) BE434461A (fr)
DE (1) DE720837C (fr)
FR (2) FR866436A (fr)
GB (1) GB528874A (fr)
NL (1) NL55004C (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB566169A (en) * 1942-07-03 1944-12-18 Standard Telephones Cables Ltd Improvements relating to radio navigational systems
US2425010A (en) * 1945-07-05 1947-08-05 Henry R Smith Coaxial switch
US2907035A (en) * 1956-12-10 1959-09-29 Babcock Radio Engineering Inc Antenna
US5503721A (en) * 1991-07-18 1996-04-02 Hri Research, Inc. Method for photoactivation
US6241091B1 (en) 1996-11-04 2001-06-05 Gregory Moore Decorative container for storing plunger
US20030215784A1 (en) * 1998-07-21 2003-11-20 Dumont Larry Joe Method and apparatus for inactivation of biological contaminants using photosensitizers
US7049110B2 (en) 1998-07-21 2006-05-23 Gambro, Inc. Inactivation of West Nile virus and malaria using photosensitizers
US6258577B1 (en) 1998-07-21 2001-07-10 Gambro, Inc. Method and apparatus for inactivation of biological contaminants using endogenous alloxazine or isoalloxazine photosensitizers
US6277337B1 (en) 1998-07-21 2001-08-21 Gambro, Inc. Method and apparatus for inactivation of biological contaminants using photosensitizers
US7498156B2 (en) 1998-07-21 2009-03-03 Caridianbct Biotechnologies, Llc Use of visible light at wavelengths of 500 to 550 nm to reduce the number of pathogens in blood and blood components
US7094378B1 (en) 2000-06-15 2006-08-22 Gambro, Inc. Method and apparatus for inactivation of biological contaminants using photosensitizers
US7220747B2 (en) 1999-07-20 2007-05-22 Gambro, Inc. Method for preventing damage to or rejuvenating a cellular blood component using mitochondrial enhancer
US6268120B1 (en) 1999-10-19 2001-07-31 Gambro, Inc. Isoalloxazine derivatives to neutralize biological contaminants
US7985588B2 (en) 2000-06-02 2011-07-26 Caridianbct Biotechnologies, Llc Induction of and maintenance of nucleic acid damage in pathogens using riboflavin and light
TW590780B (en) 2000-06-02 2004-06-11 Gambro Inc Additive solutions containing riboflavin
US9044523B2 (en) 2000-06-15 2015-06-02 Terumo Bct, Inc. Reduction of contaminants in blood and blood products using photosensitizers and peak wavelengths of light
WO2009026073A1 (fr) * 2007-08-22 2009-02-26 Caridianbct Biotechnologies, Llc Prévention d'une lésion aiguë des poumons liée à une transfusion en utilisant de la riboflavine et de la lumière

Also Published As

Publication number Publication date
US2212230A (en) 1940-08-20
DE720837C (de) 1942-05-16
NL55004C (fr) 1943-08-16
GB528874A (en) 1940-11-08
FR866436A (fr) 1941-08-12
BE434461A (fr) 1939-06-30

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