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GB9321757D0 - Improvements in and relating to position responsive apparatus - Google Patents

Improvements in and relating to position responsive apparatus

Info

Publication number
GB9321757D0
GB9321757D0 GB939321757A GB9321757A GB9321757D0 GB 9321757 D0 GB9321757 D0 GB 9321757D0 GB 939321757 A GB939321757 A GB 939321757A GB 9321757 A GB9321757 A GB 9321757A GB 9321757 D0 GB9321757 D0 GB 9321757D0
Authority
GB
United Kingdom
Prior art keywords
relating
position responsive
responsive apparatus
responsive
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.)
Granted
Application number
GB939321757A
Other versions
GB2272060A (en
GB2272060B (en
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.)
Rolls Royce Submarines Ltd
Original Assignee
Rolls Royce and Associates 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
Priority claimed from GB929222747A external-priority patent/GB9222747D0/en
Application filed by Rolls Royce and Associates Ltd filed Critical Rolls Royce and Associates Ltd
Priority to GB9321757A priority Critical patent/GB2272060B/en
Priority claimed from US08/143,227 external-priority patent/US5793200A/en
Publication of GB9321757D0 publication Critical patent/GB9321757D0/en
Publication of GB2272060A publication Critical patent/GB2272060A/en
Application granted granted Critical
Publication of GB2272060B publication Critical patent/GB2272060B/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
    • G01D5/145Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/25Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts
    • G01D5/251Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts one conductor or channel
    • G01D5/2515Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts one conductor or channel with magnetically controlled switches, e.g. by movement of a magnet
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/72Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Level Indicators Using A Float (AREA)
GB9321757A 1992-10-29 1993-10-21 Improvements in and relating to position responsive apparatus Revoked GB2272060B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9321757A GB2272060B (en) 1992-10-29 1993-10-21 Improvements in and relating to position responsive apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB929222747A GB9222747D0 (en) 1992-10-29 1992-10-29 Improvements in and relating to magnetic field sensing apparatus
GB9321757A GB2272060B (en) 1992-10-29 1993-10-21 Improvements in and relating to position responsive apparatus
US08/143,227 US5793200A (en) 1992-10-29 1993-10-29 Position responsive magnetic sensing elements for sensing the position of a member at a remote site

Publications (3)

Publication Number Publication Date
GB9321757D0 true GB9321757D0 (en) 1993-12-15
GB2272060A GB2272060A (en) 1994-05-04
GB2272060B GB2272060B (en) 1996-05-22

Family

ID=27266434

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9321757A Revoked GB2272060B (en) 1992-10-29 1993-10-21 Improvements in and relating to position responsive apparatus

Country Status (1)

Country Link
GB (1) GB2272060B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3395402B2 (en) * 1994-10-14 2003-04-14 住友電気工業株式会社 Travel detector
US6091238A (en) * 1995-06-22 2000-07-18 Kevin McDermott Variable output electrical device
EP0998658B1 (en) * 1997-07-23 2001-12-05 Mannesmann VDO Aktiengesellschaft Magnetic position sensor
GB2328510B (en) * 1997-08-19 2002-02-06 Penny Giles Position Sensors L A sensing device
US6160395A (en) * 1998-11-06 2000-12-12 Honeywell, Inc. Non-contact position sensor
GB0122431D0 (en) * 2001-09-17 2001-11-07 Antech Ltd Non-invasive detectors for wells

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO844058L (en) * 1984-10-10 1986-04-11 Tiedemanns Tobaksfabrik Joh H MAGNETIC POSITION DETERMINATION DEVICE.
CA1236543A (en) * 1985-01-28 1988-05-10 Joseph P. Pawletko High resolution high output transducer

Also Published As

Publication number Publication date
GB2272060A (en) 1994-05-04
GB2272060B (en) 1996-05-22

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Legal Events

Date Code Title Description
773K Patent revoked under sect. 73(2)/1977