FR1170445A - Radio altimeter - Google Patents

Radio altimeter

Info

Publication number
FR1170445A
FR1170445A FR1170445DA FR1170445A FR 1170445 A FR1170445 A FR 1170445A FR 1170445D A FR1170445D A FR 1170445DA FR 1170445 A FR1170445 A FR 1170445A
Authority
FR
France
Prior art keywords
radio altimeter
altimeter
radio
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR1170445A publication Critical patent/FR1170445A/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
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
FR1170445D 1956-03-29 1957-03-29 Radio altimeter Expired FR1170445A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1170445X 1956-03-29

Publications (1)

Publication Number Publication Date
FR1170445A true FR1170445A (en) 1959-01-14

Family

ID=7729266

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1170445D Expired FR1170445A (en) 1956-03-29 1957-03-29 Radio altimeter

Country Status (1)

Country Link
FR (1) FR1170445A (en)

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