FR2012996A1 - - Google Patents

Info

Publication number
FR2012996A1
FR2012996A1 FR6923997A FR6923997A FR2012996A1 FR 2012996 A1 FR2012996 A1 FR 2012996A1 FR 6923997 A FR6923997 A FR 6923997A FR 6923997 A FR6923997 A FR 6923997A FR 2012996 A1 FR2012996 A1 FR 2012996A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6923997A
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2012996A1 publication Critical patent/FR2012996A1/fr
Withdrawn legal-status Critical Current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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR6923997A 1968-07-15 1969-07-15 Withdrawn FR2012996A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3367468 1968-07-15

Publications (1)

Publication Number Publication Date
FR2012996A1 true FR2012996A1 (fr) 1970-03-27

Family

ID=10355975

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6923997A Withdrawn FR2012996A1 (fr) 1968-07-15 1969-07-15

Country Status (6)

Country Link
US (1) US3611378A (fr)
CH (1) CH493854A (fr)
DE (1) DE1935011C3 (fr)
FR (1) FR2012996A1 (fr)
GB (1) GB1227879A (fr)
NL (1) NL6910835A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6426717B1 (en) 2001-05-11 2002-07-30 Rockwell Collins, Inc. Single antenna FM radio altimeter operating in a continuous wave mode and an interrupted continuous wave mode
US7095364B1 (en) * 2005-08-04 2006-08-22 The Boeing Company Altitude measurement system and associated methods

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3403398A (en) * 1967-06-01 1968-09-24 Collins Radio Co Double bounce second signal return filter corrected fmcw radio altimeter

Also Published As

Publication number Publication date
GB1227879A (fr) 1971-04-07
DE1935011C3 (de) 1974-10-03
DE1935011B2 (de) 1974-03-07
DE1935011A1 (de) 1970-01-22
CH493854A (de) 1970-07-15
NL6910835A (fr) 1970-01-19
US3611378A (en) 1971-10-05

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Legal Events

Date Code Title Description
ST Notification of lapse