ZA722130B - Marker device and a system for the recognition of markers - Google Patents

Marker device and a system for the recognition of markers

Info

Publication number
ZA722130B
ZA722130B ZA722130A ZA722130A ZA722130B ZA 722130 B ZA722130 B ZA 722130B ZA 722130 A ZA722130 A ZA 722130A ZA 722130 A ZA722130 A ZA 722130A ZA 722130 B ZA722130 B ZA 722130B
Authority
ZA
South Africa
Prior art keywords
markers
recognition
marker device
marker
Prior art date
Application number
ZA722130A
Other languages
English (en)
Inventor
R Lehmann
G Louvel
Original Assignee
Automatisme Cie Gle
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 Automatisme Cie Gle filed Critical Automatisme Cie Gle
Publication of ZA722130B publication Critical patent/ZA722130B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
    • B61L3/125—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using short-range radio transmission
    • 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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • 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
    • G01S7/024—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
ZA722130A 1971-03-29 1972-03-28 Marker device and a system for the recognition of markers ZA722130B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7110974A FR2131832B1 (xx) 1971-03-29 1971-03-29

Publications (1)

Publication Number Publication Date
ZA722130B true ZA722130B (en) 1973-03-28

Family

ID=9074317

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA722130A ZA722130B (en) 1971-03-29 1972-03-28 Marker device and a system for the recognition of markers

Country Status (5)

Country Link
BR (1) BR7201830D0 (xx)
CA (1) CA987769A (xx)
CH (2) CH559396A5 (xx)
FR (1) FR2131832B1 (xx)
ZA (1) ZA722130B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574037B1 (fr) * 1984-11-30 1993-09-10 Thomson Csf Dispositif et procede de commande de vehicules guides
GB9116943D0 (en) * 1991-08-06 1991-09-18 Marconi Gec Ltd Vehicle navigation system
NL9401570A (nl) * 1994-09-27 1996-05-01 Chl Netherlands Bv Microgolfpasseersensor met bijzondere reflector.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE489994A (xx) * 1948-07-06
US3247508A (en) * 1963-10-04 1966-04-19 American Brake Shoe Co Microwave identification of railroad cars

Also Published As

Publication number Publication date
FR2131832A1 (xx) 1972-11-17
FR2131832B1 (xx) 1974-05-31
CA987769A (fr) 1976-04-20
BR7201830D0 (pt) 1973-05-24
CH559397A5 (xx) 1975-02-28
CH559396A5 (xx) 1975-02-28

Similar Documents

Publication Publication Date Title
ZA721442B (en) Anti-perspirant aerosol system
AU3814472A (en) Device for accurately positioning a body suspended from cables
JPS5331180A (en) Peak detection system
CA961716A (en) Restraining device for quadrupeds
AT319106B (de) Einrichtung zur Regelung eines Verkehrssystems
ZA722130B (en) Marker device and a system for the recognition of markers
CA996414A (en) Highway marker
HK74578A (en) A camicam-follower system and cam member therefor
ZA722582B (en) Spray device
ZA726469B (en) A device for the individual labelling of round bodies
FR1369279A (fr) Dispositif perfectionné d'orientation des essieux d'un véhicule ferroviaire
CA879815A (en) Location marker
IL40929A0 (en) Language teaching device
CA937367A (en) Marking device
AU4072472A (en) Sighting device
AU4772472A (en) Warning device
CA33428S (en) Highway direction marker
CA33429S (en) Highway direction marker
CA33430S (en) Highway direction marker
AU462201B2 (en) Ball position marker and holder for same
AU3192471A (en) Head restraining device
YU39896B (en) Device for the continuous extraction of bauxite
CA944640A (en) Animal temporary hold-down device
AU4149572A (en) Devices for the simultaneous marking of bands
CA864257A (en) Position marker