GB2163263B - Accuracy control subsystem - Google Patents

Accuracy control subsystem

Info

Publication number
GB2163263B
GB2163263B GB08517847A GB8517847A GB2163263B GB 2163263 B GB2163263 B GB 2163263B GB 08517847 A GB08517847 A GB 08517847A GB 8517847 A GB8517847 A GB 8517847A GB 2163263 B GB2163263 B GB 2163263B
Authority
GB
United Kingdom
Prior art keywords
control subsystem
accuracy control
accuracy
subsystem
control
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
Application number
GB08517847A
Other versions
GB2163263A (en
GB8517847D0 (en
Inventor
John Wallace
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.)
CASTING ANALYSIS CORP
Original Assignee
CASTING ANALYSIS CORP
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 US06/631,563 external-priority patent/US4652822A/en
Priority claimed from US06/631,562 external-priority patent/US4651094A/en
Application filed by CASTING ANALYSIS CORP filed Critical CASTING ANALYSIS CORP
Publication of GB8517847D0 publication Critical patent/GB8517847D0/en
Publication of GB2163263A publication Critical patent/GB2163263A/en
Application granted granted Critical
Publication of GB2163263B publication Critical patent/GB2163263B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING 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
    • G01D5/00—Mechanical 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
    • G01D5/12—Mechanical 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
    • G01D5/243—Mechanical 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 phase or frequency of ac

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
GB08517847A 1984-07-16 1985-07-15 Accuracy control subsystem Expired GB2163263B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/631,563 US4652822A (en) 1984-07-16 1984-07-16 Multi-frequency eddy-current system and method
US06/631,562 US4651094A (en) 1984-07-16 1984-07-16 Accuracy control subsystem

Publications (3)

Publication Number Publication Date
GB8517847D0 GB8517847D0 (en) 1985-08-21
GB2163263A GB2163263A (en) 1986-02-19
GB2163263B true GB2163263B (en) 1988-05-11

Family

ID=27091424

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08517847A Expired GB2163263B (en) 1984-07-16 1985-07-15 Accuracy control subsystem

Country Status (2)

Country Link
DE (1) DE3525250A1 (en)
GB (1) GB2163263B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8605280D0 (en) * 1986-03-04 1986-04-09 Atomic Energy Authority Uk Magnetic particle inspection techniques
US7069788B2 (en) * 2003-12-23 2006-07-04 Jms North America Corp. Double membrane transducer protector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1512201A (en) * 1975-04-09 1978-05-24 Yorkshire Imperial Metals Ltd Apparatus for electrically testing workpieces
WO1981003381A1 (en) * 1980-05-22 1981-11-26 Secr Defence Brit Improvements in or relating to measurement apparatus
US4424486A (en) * 1980-10-14 1984-01-03 Zetec, Inc. Phase rotation circuit for an eddy current tester

Also Published As

Publication number Publication date
DE3525250A1 (en) 1986-01-16
GB2163263A (en) 1986-02-19
GB8517847D0 (en) 1985-08-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920715