NL7612958A - DEVICE FOR PREVENTION OF FALSE INDICATION AND FOR OBTAINING AN INITIAL SETTING FOR SPEEDOMETERS ACCORDING TO THE DOPPLER PRINCIPLE. - Google Patents

DEVICE FOR PREVENTION OF FALSE INDICATION AND FOR OBTAINING AN INITIAL SETTING FOR SPEEDOMETERS ACCORDING TO THE DOPPLER PRINCIPLE.

Info

Publication number
NL7612958A
NL7612958A NL7612958A NL7612958A NL7612958A NL 7612958 A NL7612958 A NL 7612958A NL 7612958 A NL7612958 A NL 7612958A NL 7612958 A NL7612958 A NL 7612958A NL 7612958 A NL7612958 A NL 7612958A
Authority
NL
Netherlands
Prior art keywords
speedometers
prevention
obtaining
initial setting
false indication
Prior art date
Application number
NL7612958A
Other languages
Dutch (nl)
Original Assignee
Patelhold Patentverwertung
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
Priority claimed from CH1518975A external-priority patent/CH601804A5/xx
Application filed by Patelhold Patentverwertung filed Critical Patelhold Patentverwertung
Publication of NL7612958A publication Critical patent/NL7612958A/en

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
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/585—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/2806—Employing storage or delay devices which preserve the pulse form of the echo signal, e.g. for comparing and combining echoes received during different periods

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
NL7612958A 1975-11-24 1976-11-22 DEVICE FOR PREVENTION OF FALSE INDICATION AND FOR OBTAINING AN INITIAL SETTING FOR SPEEDOMETERS ACCORDING TO THE DOPPLER PRINCIPLE. NL7612958A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1518975A CH601804A5 (en) 1975-11-24 1975-11-24
CH1531275A CH608621A5 (en) 1975-11-24 1975-11-26 Method for measuring the frequency and duration of periods of non-coherent wave packets

Publications (1)

Publication Number Publication Date
NL7612958A true NL7612958A (en) 1977-05-31

Family

ID=25715901

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7612958A NL7612958A (en) 1975-11-24 1976-11-22 DEVICE FOR PREVENTION OF FALSE INDICATION AND FOR OBTAINING AN INITIAL SETTING FOR SPEEDOMETERS ACCORDING TO THE DOPPLER PRINCIPLE.

Country Status (5)

Country Link
CH (1) CH608621A5 (en)
DE (1) DE2600433C2 (en)
FR (1) FR2333246A2 (en)
GB (1) GB1518579A (en)
NL (1) NL7612958A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2411418A1 (en) * 1977-12-08 1979-07-06 Labo Cent Telecommunicat METHOD AND DEVICE FOR ELIMINATING MULTIPLE RETURN ECHOES FOR PULSE DOPPLER RADARS
US4453550A (en) * 1982-04-19 1984-06-12 General Electric Company Method and means for detecting a periodic wave structure
FR2531225A3 (en) * 1982-07-28 1984-02-03 Faiveley Ets Method of measuring kinematic parameters of a land vehicle, device for implementation thereof and application to a railway vehicle.
GB8612904D0 (en) * 1986-05-28 1986-07-02 Marconi Instruments Ltd Electrical apparatus
CN116203315B (en) * 2023-05-06 2023-07-25 国仪量子(合肥)技术有限公司 Frequency measurement method and device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1283809A (en) * 1970-12-08 1972-08-02 Mullard Ltd Improvements in or relating to the automatic measurement of pulse repetition intervals

Also Published As

Publication number Publication date
DE2600433A1 (en) 1977-06-08
FR2333246B2 (en) 1983-06-24
CH608621A5 (en) 1979-01-15
GB1518579A (en) 1978-07-19
DE2600433C2 (en) 1984-01-19
FR2333246A2 (en) 1977-06-24

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed