GB2424981B - System for detecting the presence of an intruding body - Google Patents

System for detecting the presence of an intruding body

Info

Publication number
GB2424981B
GB2424981B GB0425807A GB0425807A GB2424981B GB 2424981 B GB2424981 B GB 2424981B GB 0425807 A GB0425807 A GB 0425807A GB 0425807 A GB0425807 A GB 0425807A GB 2424981 B GB2424981 B GB 2424981B
Authority
GB
United Kingdom
Prior art keywords
detecting
intruding body
intruding
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.)
Expired - Fee Related
Application number
GB0425807A
Other versions
GB2424981A (en
GB0425807D0 (en
Inventor
Timothy Laurie Somner
Brian Langley
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.)
LANGLEY, BRIAN
SOMNER TIMOTHY L
Original Assignee
SENTRY POINT Ltd
SENTRY POINT 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 SENTRY POINT Ltd, SENTRY POINT Ltd filed Critical SENTRY POINT Ltd
Priority to GB0425807A priority Critical patent/GB2424981B/en
Publication of GB0425807D0 publication Critical patent/GB0425807D0/en
Publication of GB2424981A publication Critical patent/GB2424981A/en
Application granted granted Critical
Publication of GB2424981B publication Critical patent/GB2424981B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning, or like safety means along the route or between vehicles or vehicle trains
    • B61L23/04—Control, warning, or like safety means along the route or between vehicles or vehicle trains for monitoring the mechanical state of the route
    • B61L23/041—Obstacle detection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00—Safety means for rail/road crossing traffic
    • B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
    • B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
    • B61L29/30—Supervision, e.g. monitoring arrangements
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
GB0425807A 2004-11-24 2004-11-24 System for detecting the presence of an intruding body Expired - Fee Related GB2424981B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0425807A GB2424981B (en) 2004-11-24 2004-11-24 System for detecting the presence of an intruding body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0425807A GB2424981B (en) 2004-11-24 2004-11-24 System for detecting the presence of an intruding body

Publications (3)

Publication Number Publication Date
GB0425807D0 GB0425807D0 (en) 2004-12-22
GB2424981A GB2424981A (en) 2006-10-11
GB2424981B true GB2424981B (en) 2010-10-27

Family

ID=33548774

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0425807A Expired - Fee Related GB2424981B (en) 2004-11-24 2004-11-24 System for detecting the presence of an intruding body

Country Status (1)

Country Link
GB (1) GB2424981B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103778753A (en) * 2013-12-31 2014-05-07 浙江圆融科技有限公司 Air defense warning terminal device and operating method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7575201B2 (en) * 2005-08-18 2009-08-18 General Electric Company System and method for detecting a change or an obstruction to a railway track
ITTO20110417A1 (en) * 2011-05-11 2012-11-12 Duevi Snc Di Mora E Santese INTRUSION DETECTOR SYSTEM

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0367402A1 (en) * 1988-09-29 1990-05-09 C & K Systems, Inc. An intrusion detection system and a method therefor
WO1999045710A1 (en) * 1998-03-06 1999-09-10 Intel Corporation Method and apparatus for powering on an electronic device with a video camera that detects motion
US20010010491A1 (en) * 1999-11-02 2001-08-02 Marneweck Willem J. Signal discriminator for wake-up of a low power transponder
EP1291629A2 (en) * 2001-09-10 2003-03-12 Matsushita Electric Works, Ltd. Object detecting device with a pyroelectric sensor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0367402A1 (en) * 1988-09-29 1990-05-09 C & K Systems, Inc. An intrusion detection system and a method therefor
WO1999045710A1 (en) * 1998-03-06 1999-09-10 Intel Corporation Method and apparatus for powering on an electronic device with a video camera that detects motion
US20010010491A1 (en) * 1999-11-02 2001-08-02 Marneweck Willem J. Signal discriminator for wake-up of a low power transponder
EP1291629A2 (en) * 2001-09-10 2003-03-12 Matsushita Electric Works, Ltd. Object detecting device with a pyroelectric sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103778753A (en) * 2013-12-31 2014-05-07 浙江圆融科技有限公司 Air defense warning terminal device and operating method thereof

Also Published As

Publication number Publication date
GB2424981A (en) 2006-10-11
GB0425807D0 (en) 2004-12-22

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: SOMNER, TIMOTHY L

Free format text: FORMER APPLICANT(S): LANGLEY, BRIAN;SOMNER, TIMOTHY L;SENTRY POINT LIMITED

Owner name: LANGLEY, BRIAN

Free format text: FORMER APPLICANT(S): LANGLEY, BRIAN;SOMNER, TIMOTHY L;SENTRY POINT LIMITED

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20131124

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION FILED

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: RESTORATION ALLOWED

Effective date: 20150722

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20211124