CA927481A - Phase detection and comparison apparatus for determining the phase derivative with respect to frequency of an eddy current test signal - Google Patents

Phase detection and comparison apparatus for determining the phase derivative with respect to frequency of an eddy current test signal

Info

Publication number
CA927481A
CA927481A CA108845A CA108845A CA927481A CA 927481 A CA927481 A CA 927481A CA 108845 A CA108845 A CA 108845A CA 108845 A CA108845 A CA 108845A CA 927481 A CA927481 A CA 927481A
Authority
CA
Canada
Prior art keywords
phase
frequency
determining
respect
test signal
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
CA108845A
Other versions
CA108845S (en
Inventor
R. Brown Gordon
J. Law Kenneth
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.)
K J LAW ENGINEERS
Original Assignee
K J LAW ENGINEERS
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 K J LAW ENGINEERS filed Critical K J LAW ENGINEERS
Priority to CA108845A priority Critical patent/CA927481A/en
Application granted granted Critical
Publication of CA927481A publication Critical patent/CA927481A/en
Expired legal-status Critical Current

Links

CA108845A 1971-03-26 1971-03-26 Phase detection and comparison apparatus for determining the phase derivative with respect to frequency of an eddy current test signal Expired CA927481A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA108845A CA927481A (en) 1971-03-26 1971-03-26 Phase detection and comparison apparatus for determining the phase derivative with respect to frequency of an eddy current test signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA108845A CA927481A (en) 1971-03-26 1971-03-26 Phase detection and comparison apparatus for determining the phase derivative with respect to frequency of an eddy current test signal

Publications (1)

Publication Number Publication Date
CA927481A true CA927481A (en) 1973-05-29

Family

ID=4089183

Family Applications (1)

Application Number Title Priority Date Filing Date
CA108845A Expired CA927481A (en) 1971-03-26 1971-03-26 Phase detection and comparison apparatus for determining the phase derivative with respect to frequency of an eddy current test signal

Country Status (1)

Country Link
CA (1) CA927481A (en)

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