AU2339077A - Capacitance distance sensor apparatus - Google Patents

Capacitance distance sensor apparatus

Info

Publication number
AU2339077A
AU2339077A AU23390/77A AU2339077A AU2339077A AU 2339077 A AU2339077 A AU 2339077A AU 23390/77 A AU23390/77 A AU 23390/77A AU 2339077 A AU2339077 A AU 2339077A AU 2339077 A AU2339077 A AU 2339077A
Authority
AU
Australia
Prior art keywords
distance sensor
sensor apparatus
capacitance distance
capacitance
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
Application number
AU23390/77A
Other versions
AU506893B2 (en
Inventor
F. W Barnett' WE. and Spong
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.)
RCA Corp
Original Assignee
RCA 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
Application filed by RCA Corp filed Critical RCA Corp
Publication of AU2339077A publication Critical patent/AU2339077A/en
Application granted granted Critical
Publication of AU506893B2 publication Critical patent/AU506893B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • G11B7/0914—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only by non-optical methods, e.g. capacitive
AU23390/77A 1976-03-19 1977-03-18 Capacitance distance sensor apparatus Expired AU506893B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1112276A GB1577134A (en) 1976-03-19 1976-03-19 Capacitance distance control apparatus
GBGB11,122/7 1976-03-19

Publications (2)

Publication Number Publication Date
AU2339077A true AU2339077A (en) 1978-09-21
AU506893B2 AU506893B2 (en) 1980-01-24

Family

ID=9980444

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23390/77A Expired AU506893B2 (en) 1976-03-19 1977-03-18 Capacitance distance sensor apparatus

Country Status (6)

Country Link
JP (1) JPS52125351A (en)
AU (1) AU506893B2 (en)
DE (1) DE2711925C3 (en)
FR (1) FR2344888A1 (en)
GB (1) GB1577134A (en)
NL (1) NL7702978A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52120805A (en) * 1976-04-02 1977-10-11 Sony Corp Servo apparatus
DE3134342A1 (en) * 1981-08-31 1983-03-10 Ingenieure Block + Seichter, 3000 Hannover Electronic capacitive measuring head for distance measurements
US4982333A (en) * 1988-10-13 1991-01-01 At&T Bell Laboratories Capacitance guided assembly of parts
DE4415249A1 (en) * 1994-04-30 1995-11-02 Thomson Brandt Gmbh Recorder using magneto-optical disc
DE102006044235B4 (en) * 2006-09-15 2021-02-11 Leica Microsystems Cms Gmbh Arrangement for determining the distance, capacitive distance sensor and method for automatic focusing of a microscope
CN111982161A (en) * 2020-07-30 2020-11-24 拉扎斯网络科技（上海）有限公司 Conductor object position determining method and device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935681A (en) * 1956-08-31 1960-05-03 Gen Electric Contour measuring method and probe
GB1062783A (en) * 1965-01-28 1967-03-22 Mayer Ferdy Means for monitoring the surface of an object
GB1258910A (en) * 1968-05-07 1971-12-30
US3706919A (en) * 1970-08-17 1972-12-19 Ade Corp Capacitive gauge
NL7211998A (en) * 1972-09-02 1974-03-05
DE2407065C2 (en) * 1974-02-14 1984-10-18 Messer Griesheim Gmbh, 6000 Frankfurt Device for capacitive distance measurement

Also Published As

Publication number Publication date
DE2711925B2 (en) 1980-09-18
DE2711925C3 (en) 1981-09-10
NL7702978A (en) 1977-09-21
FR2344888A1 (en) 1977-10-14
GB1577134A (en) 1980-10-22
AU506893B2 (en) 1980-01-24
JPS52125351A (en) 1977-10-21
DE2711925A1 (en) 1977-09-29

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