AP9300570A0 - Location system - Google Patents

Location system

Info

Publication number
AP9300570A0
AP9300570A0 AP939300570A AP9300570A AP9300570A0 AP 9300570 A0 AP9300570 A0 AP 9300570A0 AP 939300570 A AP939300570 A AP 939300570A AP 9300570 A AP9300570 A AP 9300570A AP 9300570 A0 AP9300570 A0 AP 9300570A0
Authority
AP
ARIPO
Prior art keywords
location system
location
Prior art date
Application number
AP939300570A
Other versions
AP449A (en
Original Assignee
Advanced Mining Software Ltd
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 Advanced Mining Software Ltd filed Critical Advanced Mining Software Ltd
Priority to APAP/P/1993/000570A priority Critical patent/AP449A/en
Publication of AP9300570A0 publication Critical patent/AP9300570A0/en
Application granted granted Critical
Publication of AP449A publication Critical patent/AP449A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18—Special adaptations of signalling or alarm devices
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/16—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic
    • G01S3/20—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic derived by sampling signal received by an antenna system having periodically-varied orientation of directivity characteristic
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)
APAP/P/1993/000570A 1993-08-11 1993-08-11 Location systems for tracking personnel. AP449A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
APAP/P/1993/000570A AP449A (en) 1993-08-11 1993-08-11 Location systems for tracking personnel.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
APAP/P/1993/000570A AP449A (en) 1993-08-11 1993-08-11 Location systems for tracking personnel.

Publications (2)

Publication Number Publication Date
AP9300570A0 true AP9300570A0 (en) 1993-10-31
AP449A AP449A (en) 1996-01-18

Family

ID=3460688

Family Applications (1)

Application Number Title Priority Date Filing Date
APAP/P/1993/000570A AP449A (en) 1993-08-11 1993-08-11 Location systems for tracking personnel.

Country Status (1)

Country Link
AP (1) AP449A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3003540A1 (en) * 1980-01-31 1981-08-06 Bayer Ag, 5090 Leverkusen BENZOXAZOLYL STILBENE, METHOD FOR THE PRODUCTION THEREOF AND THE USE THEREOF AS OPTICAL BRIGHTENERS
US4495496A (en) * 1981-12-15 1985-01-22 Johnson Engineering Corp. Personnel monitoring and locating system
GB2193359B (en) * 1986-07-31 1990-07-11 Multitone Electronics Plc Area communications systems
NL9000606A (en) * 1990-03-16 1991-10-16 Ericsson Radio Systems Bv SYSTEM FOR THE TRANSMISSION OF ALARM SIGNALS.

Also Published As

Publication number Publication date
AP449A (en) 1996-01-18

Similar Documents

Publication Publication Date Title
GB9205344D0 (en) System
GB9410082D0 (en) Treeshelter system
GB9405231D0 (en) Simple compositioning system
SG54147A1 (en) Loundspeaker system
GB9301769D0 (en) Opticla system
HU9502638D0 (en) Sectional-bar system
GB2276507B (en) An alignment system
GB2281326B (en) Partitioning system
GB9205342D0 (en) System
GB9323436D0 (en) Construction system
GB9403421D0 (en) Security-transfer systems
AU4454493A (en) Location system
GB9301569D0 (en) Position location system
AP9300570A0 (en) Location system
GB9208925D0 (en) System
GB9206683D0 (en) Glazin system
GB9306736D0 (en) Tile-caldding system
GB9307322D0 (en) System iii
GB9307303D0 (en) System ii
GB9308565D0 (en) Cabling system
GB9307323D0 (en) System i
GB9309549D0 (en) Case system
GB9323391D0 (en) Construction system
KR0116230Y1 (en) Keyphone system
GB9221151D0 (en) Location system