GB2439237B - A proximity sensor - Google Patents

A proximity sensor

Info

Publication number
GB2439237B
GB2439237B GB0718184A GB0718184A GB2439237B GB 2439237 B GB2439237 B GB 2439237B GB 0718184 A GB0718184 A GB 0718184A GB 0718184 A GB0718184 A GB 0718184A GB 2439237 B GB2439237 B GB 2439237B
Authority
GB
United Kingdom
Prior art keywords
proximity sensor
proximity
sensor
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
GB0718184A
Other versions
GB0718184D0 (en
GB2439237A (en
Inventor
Ian Mcgregor Stothers
Andrew 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.)
Ultra Electronics Ltd
Original Assignee
Ultra Electronics 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 Ultra Electronics Ltd filed Critical Ultra Electronics Ltd
Priority to GB0718184A priority Critical patent/GB2439237B/en
Priority claimed from GB0404408A external-priority patent/GB2411481B/en
Publication of GB0718184D0 publication Critical patent/GB0718184D0/en
Publication of GB2439237A publication Critical patent/GB2439237A/en
Application granted granted Critical
Publication of GB2439237B publication Critical patent/GB2439237B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
    • G01R13/0218—Circuits therefor
    • G01R13/0227—Controlling the intensity or colour of the display
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
    • G01R13/0218—Circuits therefor
    • G01R13/0272—Circuits therefor for sampling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
    • G01R13/029—Software therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB0718184A 2004-02-27 2004-02-27 A proximity sensor Expired - Lifetime GB2439237B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0718184A GB2439237B (en) 2004-02-27 2004-02-27 A proximity sensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0718184A GB2439237B (en) 2004-02-27 2004-02-27 A proximity sensor
GB0404408A GB2411481B (en) 2004-02-27 2004-02-27 Signal measurement and processing method and apparatus

Publications (3)

Publication Number Publication Date
GB0718184D0 GB0718184D0 (en) 2007-10-31
GB2439237A GB2439237A (en) 2007-12-19
GB2439237B true GB2439237B (en) 2008-08-13

Family

ID=38670089

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0718184A Expired - Lifetime GB2439237B (en) 2004-02-27 2004-02-27 A proximity sensor

Country Status (1)

Country Link
GB (1) GB2439237B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030222639A1 (en) * 1999-10-22 2003-12-04 Slates Richard D. Determining a dynamic gaps between a proximity probe and a conductive target material

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030222639A1 (en) * 1999-10-22 2003-12-04 Slates Richard D. Determining a dynamic gaps between a proximity probe and a conductive target material

Also Published As

Publication number Publication date
GB0718184D0 (en) 2007-10-31
GB2439237A (en) 2007-12-19

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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)

Free format text: REGISTERED BETWEEN 20230511 AND 20230517

PE20 Patent expired after termination of 20 years

Expiry date: 20240226