GB2203239B - Improvements in or relating to detection apparatus - Google Patents

Improvements in or relating to detection apparatus

Info

Publication number
GB2203239B
GB2203239B GB8807764A GB8807764A GB2203239B GB 2203239 B GB2203239 B GB 2203239B GB 8807764 A GB8807764 A GB 8807764A GB 8807764 A GB8807764 A GB 8807764A GB 2203239 B GB2203239 B GB 2203239B
Authority
GB
United Kingdom
Prior art keywords
relating
detection apparatus
detection
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 - Lifetime
Application number
GB8807764A
Other versions
GB2203239A (en
GB8807764D0 (en
Inventor
Douglas Henry Clayfield
Terence John Thomas Murphy
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.)
R V Ltd
Original Assignee
R V 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 R V Ltd filed Critical R V Ltd
Publication of GB8807764D0 publication Critical patent/GB8807764D0/en
Publication of GB2203239A publication Critical patent/GB2203239A/en
Application granted granted Critical
Publication of GB2203239B publication Critical patent/GB2203239B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/144—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using light grids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/141—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using sound propagation, e.g. sonar
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
    • G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
    • 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
    • G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Burglar Alarm Systems (AREA)
GB8807764A 1987-04-06 1988-03-31 Improvements in or relating to detection apparatus Expired - Lifetime GB2203239B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878708167A GB8708167D0 (en) 1987-04-06 1987-04-06 Detection apparatus

Publications (3)

Publication Number Publication Date
GB8807764D0 GB8807764D0 (en) 1988-05-05
GB2203239A GB2203239A (en) 1988-10-12
GB2203239B true GB2203239B (en) 1991-10-23

Family

ID=10615308

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878708167A Pending GB8708167D0 (en) 1987-04-06 1987-04-06 Detection apparatus
GB8807764A Expired - Lifetime GB2203239B (en) 1987-04-06 1988-03-31 Improvements in or relating to detection apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878708167A Pending GB8708167D0 (en) 1987-04-06 1987-04-06 Detection apparatus

Country Status (1)

Country Link
GB (2) GB8708167D0 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8828896D0 (en) * 1988-12-10 1989-01-18 Higgs R R Anti-tamper device
DE59207237D1 (en) * 1991-09-19 1996-10-31 Rieter Ag Maschf Safety device on a mobile machine part of a textile machine
US5393973A (en) * 1993-12-16 1995-02-28 Scientific Technologies Incorporated Optical sensing arrays employing misaligned squinted optical axes compared to aligned axes
DE19520890A1 (en) * 1995-06-08 1996-12-12 Abb Patent Gmbh Arrangement for detecting the direction of movement of people
EP1069217B1 (en) * 1999-07-16 2003-10-15 Spinner, Hermann Sorting machine for fibre materials such as cotton comprising a device for detecting polluting matter
ITTO20010587A1 (en) * 2001-06-18 2002-12-18 Giuseppe Mallarino BARRIER DETECTOR DEVICE.
JP4352167B2 (en) * 2003-09-25 2009-10-28 オプテックス株式会社 Infrared detection sensor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192711A (en) * 1986-01-13 1988-01-20 Data Instr Inc Intrusion detection system for operating industrial machines

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192711A (en) * 1986-01-13 1988-01-20 Data Instr Inc Intrusion detection system for operating industrial machines

Also Published As

Publication number Publication date
GB2203239A (en) 1988-10-12
GB8807764D0 (en) 1988-05-05
GB8708167D0 (en) 1987-05-13

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20080330