FR814722A - Improvements in landing procedures and devices or in flight safety without visibility - Google Patents

Improvements in landing procedures and devices or in flight safety without visibility

Info

Publication number: FR814722A
Authority: FR; France
Prior art keywords: visibility; devices; flight safety; landing procedures; landing
Prior art date: 1936-01-24
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

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.)

1936-01-24

Filing date

1936-12-09

Publication date

1937-06-28

1936-12-09 Application filed by CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA

1937-06-28 Application granted granted Critical

1937-06-28 Publication of FR814722A publication Critical patent/FR814722A/en

Status Expired legal-status Critical Current

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)
Traffic Control Systems (AREA)
Radar Systems Or Details Thereof (AREA)

FR814722D 1936-01-24 1936-12-09 Improvements in landing procedures and devices or in flight safety without visibility Expired FR814722A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DEC51265D DE660080C (en)	1936-01-24	1936-01-24	Method for transmitting warning signals to aircraft in flight

Publications (1)

Publication Number	Publication Date
FR814722A true FR814722A (en)	1937-06-28

Family

ID=7027363

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR814722D Expired FR814722A (en)	1936-01-24	1936-12-09	Improvements in landing procedures and devices or in flight safety without visibility

Country Status (2)

Country	Link
DE (1)	DE660080C (en)
FR (1)	FR814722A (en)

1936
- 1936-01-24 DE DEC51265D patent/DE660080C/en not_active Expired
- 1936-12-09 FR FR814722D patent/FR814722A/en not_active Expired

Also Published As

Publication number	Publication date
DE660080C (en)	1938-05-16

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