WO1996016700A3 - Ranging system - Google Patents

Ranging system Download PDF

Info

Publication number
WO1996016700A3
WO1996016700A3 PCT/IB1995/001126 IB9501126W WO9616700A3 WO 1996016700 A3 WO1996016700 A3 WO 1996016700A3 IB 9501126 W IB9501126 W IB 9501126W WO 9616700 A3 WO9616700 A3 WO 9616700A3
Authority
WO
WIPO (PCT)
Prior art keywords
spread spectrum
hand
signal
ranging device
held personal
Prior art date
Application number
PCT/IB1995/001126
Other languages
French (fr)
Other versions
WO1996016700A2 (en
Inventor
John W Bloomfield
Robert L Payne
Scott B Wagner
Original Assignee
Pinpoint Tech Inc
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 Pinpoint Tech Inc filed Critical Pinpoint Tech Inc
Priority to AU39916/95A priority Critical patent/AU3991695A/en
Publication of WO1996016700A2 publication Critical patent/WO1996016700A2/en
Publication of WO1996016700A3 publication Critical patent/WO1996016700A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B57/00—Golfing accessories
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0045—Transmission from base station to mobile station
    • G01S5/0054—Transmission from base station to mobile station of actual mobile position, i.e. position calculation on base station
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/36—Training appliances or apparatus for special sports for golf
    • A63B69/3605—Golf club selection aids informing player of his average or expected shot distance for each club
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/06—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements

Abstract

A ranging system which can be adapted for use at a golf course includes a number of fixed transceivers (1-4) located around the golf course so that a hand-held personal ranging device (6) can communicate with the fixed transceivers at any point. Each fixed transceiver uses a spread spectrum transceiver (21), which can transmit/receive at least two spread spectrum signals. One of the spread spectrum signal is a request from a hand-held personal ranging device for a determination of its position. The other signal is a separate synchronization signal. A hand-held personal ranging device communicates with the fixed transceivers by transmitting a spread spectrum signal, but only receives a narrowband signal in return. By eliminating spread spectrum receivers from the hand-held units, the system is significantly reduced in cost.
PCT/IB1995/001126 1994-11-22 1995-11-22 Ranging system WO1996016700A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU39916/95A AU3991695A (en) 1994-11-22 1995-11-22 Ranging system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34578094A 1994-11-22 1994-11-22
US08/345,780 1994-11-22

Publications (2)

Publication Number Publication Date
WO1996016700A2 WO1996016700A2 (en) 1996-06-06
WO1996016700A3 true WO1996016700A3 (en) 1996-08-15

Family

ID=23356448

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1995/001126 WO1996016700A2 (en) 1994-11-22 1995-11-22 Ranging system

Country Status (2)

Country Link
AU (1) AU3991695A (en)
WO (1) WO1996016700A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6442798A (en) * 1997-02-27 1998-09-18 Trakus, Inc. Local area multiple object tracking system
US6204813B1 (en) 1998-02-20 2001-03-20 Trakus, Inc. Local area multiple object tracking system
AU1415902A (en) 2000-11-15 2002-05-27 Racetrace Inc Tag tracking
US7024331B2 (en) 2000-11-15 2006-04-04 Scientific Generics Limited Tag tracking
EP3337150A1 (en) * 2012-11-29 2018-06-20 QUALCOMM Incorporated System and method for determining and verifying geo-location of a radio device
US10805924B2 (en) * 2019-01-21 2020-10-13 Accord Ideation Private Limited Time interval measurement code-division multiple access transceiver
CN116594023B (en) * 2023-06-13 2023-11-14 江苏洁路宝环保科技有限公司 Intelligent sweeping robot object avoiding detection device and application method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297701A (en) * 1979-08-08 1981-10-27 John D. Angleman Rangefinder using expanded time delay
US4665404A (en) * 1983-10-24 1987-05-12 Offshore Navigation, Inc. High frequency spread spectrum positioning system and method therefor
US4698781A (en) * 1983-08-01 1987-10-06 Spymark, Incorporated Systems for determining distances to and locations of features on a golf course
US4703444A (en) * 1983-08-01 1987-10-27 Spymark, Incorporated Systems for determining distances to and locations of features on a golf course
US5056106A (en) * 1990-08-02 1991-10-08 Wang James J Golf course ranging and direction-finding system using spread-spectrum radiolocation techniques

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297701A (en) * 1979-08-08 1981-10-27 John D. Angleman Rangefinder using expanded time delay
US4698781A (en) * 1983-08-01 1987-10-06 Spymark, Incorporated Systems for determining distances to and locations of features on a golf course
US4703444A (en) * 1983-08-01 1987-10-27 Spymark, Incorporated Systems for determining distances to and locations of features on a golf course
US4665404A (en) * 1983-10-24 1987-05-12 Offshore Navigation, Inc. High frequency spread spectrum positioning system and method therefor
US5056106A (en) * 1990-08-02 1991-10-08 Wang James J Golf course ranging and direction-finding system using spread-spectrum radiolocation techniques

Also Published As

Publication number Publication date
AU3991695A (en) 1996-06-19
WO1996016700A2 (en) 1996-06-06

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