GB2335045B - Phase delay correction system - Google Patents

Phase delay correction system

Info

Publication number
GB2335045B
GB2335045B GB9825943A GB9825943A GB2335045B GB 2335045 B GB2335045 B GB 2335045B GB 9825943 A GB9825943 A GB 9825943A GB 9825943 A GB9825943 A GB 9825943A GB 2335045 B GB2335045 B GB 2335045B
Authority
GB
United Kingdom
Prior art keywords
phase delay
correction system
delay correction
phase
delay
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
GB9825943A
Other versions
GB9825943D0 (en
GB2335045A (en
Inventor
Kiyokazu Okamoto
Yoshiyuki Omori
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.)
Mitutoyo Corp
Original Assignee
Mitutoyo 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 JP32804297A external-priority patent/JP3280898B2/en
Application filed by Mitutoyo Corp filed Critical Mitutoyo Corp
Publication of GB9825943D0 publication Critical patent/GB9825943D0/en
Publication of GB2335045A publication Critical patent/GB2335045A/en
Application granted granted Critical
Publication of GB2335045B publication Critical patent/GB2335045B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation
    • G01D3/022—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation having an ideal characteristic, map or correction data stored in a digital memory
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Technology Law (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
GB9825943A 1997-11-28 1998-11-26 Phase delay correction system Expired - Lifetime GB2335045B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32804297A JP3280898B2 (en) 1997-04-03 1997-11-28 Ultra-low iron loss unidirectional silicon steel sheet

Publications (3)

Publication Number Publication Date
GB9825943D0 GB9825943D0 (en) 1999-01-20
GB2335045A GB2335045A (en) 1999-09-08
GB2335045B true GB2335045B (en) 2001-09-26

Family

ID=18205874

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9825943A Expired - Lifetime GB2335045B (en) 1997-11-28 1998-11-26 Phase delay correction system

Country Status (1)

Country Link
GB (1) GB2335045B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61149822A (en) * 1984-12-24 1986-07-08 Asahi Optical Co Ltd Correcting device for phase error
GB2233459A (en) * 1989-06-23 1991-01-09 Rank Taylor Hobson Ltd Linearising and calibrating surface characteristic measuring apparatus
EP0455983A1 (en) * 1990-05-08 1991-11-13 THE WARNER & SWASEY COMPANY Position measuring device with a phase adjust circuit and process for phase adjustment
EP0652419A1 (en) * 1993-11-09 1995-05-10 Siemens Aktiengesellschaft Method for the correction of phase errors present in the sinusoidal output signals of incremental displacement sensors

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3423168B2 (en) * 1996-11-20 2003-07-07 三洋電機株式会社 Non-aqueous electrolyte secondary battery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61149822A (en) * 1984-12-24 1986-07-08 Asahi Optical Co Ltd Correcting device for phase error
GB2233459A (en) * 1989-06-23 1991-01-09 Rank Taylor Hobson Ltd Linearising and calibrating surface characteristic measuring apparatus
EP0455983A1 (en) * 1990-05-08 1991-11-13 THE WARNER & SWASEY COMPANY Position measuring device with a phase adjust circuit and process for phase adjustment
EP0652419A1 (en) * 1993-11-09 1995-05-10 Siemens Aktiengesellschaft Method for the correction of phase errors present in the sinusoidal output signals of incremental displacement sensors

Also Published As

Publication number Publication date
GB9825943D0 (en) 1999-01-20
GB2335045A (en) 1999-09-08

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20181125