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GB2415559A - Electronic distance measurement arrangement - Google Patents

Electronic distance measurement arrangementDownload PDF

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Publication number
GB2415559A
GB2415559AGB0414044AGB0414044AGB2415559AGB 2415559 AGB2415559 AGB 2415559AGB 0414044 AGB0414044 AGB 0414044AGB 0414044 AGB0414044 AGB 0414044AGB 2415559 AGB2415559 AGB 2415559A
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GB
United Kingdom
Prior art keywords
transceivers
transceiver
distance measurement
signal
measurement arrangement
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB0414044A
Other versions
GB0414044D0 (en
Inventor
Charles Richard Whiteman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to GB0414044ApriorityCriticalpatent/GB2415559A/en
Publication of GB0414044D0publicationCriticalpatent/GB0414044D0/en
Publication of GB2415559ApublicationCriticalpatent/GB2415559A/en
Withdrawnlegal-statusCriticalCurrent

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Abstract

A distance measurement arrangement is disclosed comprising two transceivers. The first transceiver emits an encoded request signal to a second transceiver which recognises the signal and responds by emitting a similarly encoded response signal to the first transceiver. The time between emitting the request signal and receiving the response signal is measured by the first transceiver and used for determining distance between the transceivers. The transceivers may be battery powered and may communicate via radio frequency signals.

Description

ELECTRONIC DISTANCE MEASUREMENT SYSTEM
The invention has been designed for use in proximity alarm devices but can be used wherever distances are required to be measured electronically.
Unlike existing technologies (such as sonar and radar) this system is designed on the basis that the measuring and target units co-operate with each other. The target unit generates and emits its own signals for the benefit of the measurement unit instead of just reflecting signals generated by the measurement unit.
The invention is made up of two or more Transceivers. One Transceiver is able to calculate the distance between itself and the other Transceiver(s) .
In another embodiment all the Transceivers are able to calculate the distance between each other.
The Transceivers are battery powered electronic devices which communicate with each other via a publicly available radio frequency. The radio signals emitted are encoded so that the Transceivers recognise each other's signals.
The method by which distance is calculated is the time delay in radio contact between the Transceivers. The process is as follows: 1. Transceiver I emits a single (or periodic) encoded request signal.
2. Transceiver 2 recognises this signal.
3. Transceiver 2 responds by emitting a similarly encoded response signal.
4. Transceiver 1 recognises this signal.
5. Transceiver 1 measures the time between emitting the request signal and receiving the response signal.
6. Transceiver 1 has pre-set data equating time to distance.
7. By comparing the time taken to the pre-set data, Transciever 1 is able to calculate the distance between the Transceivers.

Claims (4)

GB0414044A2004-06-232004-06-23Electronic distance measurement arrangementWithdrawnGB2415559A (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
GB0414044AGB2415559A (en)2004-06-232004-06-23Electronic distance measurement arrangement

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
GB0414044AGB2415559A (en)2004-06-232004-06-23Electronic distance measurement arrangement

Publications (2)

Publication NumberPublication Date
GB0414044D0 GB0414044D0 (en)2004-07-28
GB2415559Atrue GB2415559A (en)2005-12-28

Family

ID=32800017

Family Applications (1)

Application NumberTitlePriority DateFiling Date
GB0414044AWithdrawnGB2415559A (en)2004-06-232004-06-23Electronic distance measurement arrangement

Country Status (1)

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GB (1)GB2415559A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
RU2660824C2 (en)*2013-06-042018-07-10Конинклейке Филипс Н.В.Improved distance measurement using time-of-flight

Citations (8)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US4107675A (en)*1977-03-041978-08-15Sellers John CTransponder-responder system
GB2102952A (en)*1981-06-271983-02-09Sonic Tape PlcDistance measuring devices
JPH05321303A (en)*1992-05-251993-12-07Hitachi Constr Mach Co Ltd Transponder safety device
US5499199A (en)*1993-10-051996-03-12James G. DemasDistance measuring system
GB2315943A (en)*1996-08-011998-02-11Paul Michael WoodDistance measuring system
EP0961134A1 (en)*1998-05-291999-12-01Mitsubishi Denki Kabushiki KaishaMoving object high-accuracy position locating method and system
US6104337A (en)*1998-11-202000-08-15Coutts; GordonDistance indicator system for golf
JP2003279648A (en)*2002-03-272003-10-02K-Tech Devices CorpMethod of measuring distance, and method of specifying position

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US4107675A (en)*1977-03-041978-08-15Sellers John CTransponder-responder system
GB2102952A (en)*1981-06-271983-02-09Sonic Tape PlcDistance measuring devices
JPH05321303A (en)*1992-05-251993-12-07Hitachi Constr Mach Co Ltd Transponder safety device
US5499199A (en)*1993-10-051996-03-12James G. DemasDistance measuring system
GB2315943A (en)*1996-08-011998-02-11Paul Michael WoodDistance measuring system
EP0961134A1 (en)*1998-05-291999-12-01Mitsubishi Denki Kabushiki KaishaMoving object high-accuracy position locating method and system
US6104337A (en)*1998-11-202000-08-15Coutts; GordonDistance indicator system for golf
JP2003279648A (en)*2002-03-272003-10-02K-Tech Devices CorpMethod of measuring distance, and method of specifying position

Cited By (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
RU2660824C2 (en)*2013-06-042018-07-10Конинклейке Филипс Н.В.Improved distance measurement using time-of-flight

Also Published As

Publication numberPublication date
GB0414044D0 (en)2004-07-28

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DateCodeTitleDescription
WAPApplication withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)
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