NL7502836A - SPEEDOMETER. - Google Patents

SPEEDOMETER.

Info

Publication number: NL7502836A
Authority: NL; Netherlands
Prior art keywords: speedometer
Prior art date: 1974-07-17

Application number

NL7502836A

Other languages

Dutch (nl)

Original Assignee

Sfim

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.)

1974-07-17

Filing date

1975-03-10

Publication date

1976-01-20

1975-03-10 Application filed by Sfim filed Critical Sfim

1976-01-20 Publication of NL7502836A publication Critical patent/NL7502836A/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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
- G01S13/92—Radar or analogous systems specially adapted for specific applications for traffic control for velocity measurement

Landscapes

Engineering & Computer Science (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Computer Networks & Wireless Communication (AREA)
General Physics & Mathematics (AREA)
Radar Systems Or Details Thereof (AREA)

NL7502836A 1974-07-17 1975-03-10 SPEEDOMETER. NL7502836A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7424810A FR2279113A1 (en)	1974-07-17	1974-07-17	DOPPLER EFFECT CINEMOMETER

Publications (1)

Publication Number	Publication Date
NL7502836A true NL7502836A (en)	1976-01-20

Family

ID=9141378

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7502836A NL7502836A (en)	1974-07-17	1975-03-10	SPEEDOMETER.

Country Status (5)

Country	Link
CH (1)	CH589304A5 (en)
DE (1)	DE2508858C2 (en)
FR (1)	FR2279113A1 (en)
GB (1)	GB1499371A (en)
NL (1)	NL7502836A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH601804A5 (en) *	1975-11-24	1978-07-14	Patelhold Patentverwertung
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.
US4489321A (en) *	1983-05-05	1984-12-18	Deere & Company	Radar ground speed sensing system
CH676512A5 (en) *	1988-07-14	1991-01-31	Zellweger Uster Ag

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE478697A (en) *	1944-06-08
FR1217655A (en) *	1958-07-03	1960-05-05	Le Ministre Des Armees Terre	Speed measuring device by Doppler-fizeau effect with chronograph-recorder output
DE1291545B (en) *	1962-10-23	1969-03-27	Telefunken Patent	Device for determining the speed of a vehicle
FR93467E (en) *	1967-01-13	1969-04-04	Sfim	Method and device for measuring the spacing of two moving vehicles.
FR1523444A (en) *	1967-03-23	1968-05-03	Sfim	Electronic device for detecting a vehicle exceeding a speed threshold
GB1279029A (en) *	1969-10-09	1972-06-21	Pye Ltd	Radar apparatus

1974
- 1974-07-17 FR FR7424810A patent/FR2279113A1/en active Granted
1975
- 1975-02-21 CH CH219475A patent/CH589304A5/xx not_active IP Right Cessation
- 1975-02-28 DE DE19752508858 patent/DE2508858C2/en not_active Expired
- 1975-03-10 NL NL7502836A patent/NL7502836A/en not_active Application Discontinuation
- 1975-03-12 GB GB1039575A patent/GB1499371A/en not_active Expired

Also Published As

Publication number	Publication date
FR2279113A1 (en)	1976-02-13
CH589304A5 (en)	1977-06-30
FR2279113B1 (en)	1978-02-17
GB1499371A (en)	1978-02-01
DE2508858A1 (en)	1976-01-29
DE2508858C2 (en)	1983-09-01

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Legal Events

Date	Code	Title	Description
1982-05-03	BV	The patent application has lapsed