NL7702978A - Afstandsmeter. - Google Patents

Afstandsmeter.

Info

Publication number
NL7702978A
NL7702978A NL7702978A NL7702978A NL7702978A NL 7702978 A NL7702978 A NL 7702978A NL 7702978 A NL7702978 A NL 7702978A NL 7702978 A NL7702978 A NL 7702978A NL 7702978 A NL7702978 A NL 7702978A
Authority
NL
Netherlands
Prior art keywords
distance meter
meter
distance
Prior art date
Application number
NL7702978A
Other languages
English (en)
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 NL7702978A publication Critical patent/NL7702978A/nl

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Control Of Position Or Direction (AREA)
  • Automatic Focus Adjustment (AREA)
NL7702978A 1976-03-19 1977-03-18 Afstandsmeter. NL7702978A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1112276A GB1577134A (en) 1976-03-19 1976-03-19 Capacitance distance control apparatus

Publications (1)

Publication Number Publication Date
NL7702978A true NL7702978A (nl) 1977-09-21

Family

ID=9980444

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7702978A NL7702978A (nl) 1976-03-19 1977-03-18 Afstandsmeter.

Country Status (6)

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

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 (de) * 1981-08-31 1983-03-10 Ingenieure Block + Seichter, 3000 Hannover Elektronischer kapazitiver messkopf fuer distanzmessungen
US4982333A (en) * 1988-10-13 1991-01-01 At&T Bell Laboratories Capacitance guided assembly of parts
DE4415249A1 (de) * 1994-04-30 1995-11-02 Thomson Brandt Gmbh Recorder mit magnetooptischer Aufzeichnung
DE102006044235B4 (de) * 2006-09-15 2021-02-11 Leica Microsystems Cms Gmbh Anordnung zum Bestimmen des Abstands, kapazitiver Abstandssensor und Verfahren zum automatischen Fokussieren eines Mikroskops
CN111982161A (zh) * 2020-07-30 2020-11-24 拉扎斯网络科技（上海）有限公司 一种导体对象方位确定方法以及装置

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 (nl) * 1968-05-07 1971-12-30
US3706919A (en) * 1970-08-17 1972-12-19 Ade Corp Capacitive gauge
NL7211998A (nl) * 1972-09-02 1974-03-05
DE2407065C2 (de) * 1974-02-14 1984-10-18 Messer Griesheim Gmbh, 6000 Frankfurt Einrichtung zur kapazitiven Abstandsmessung

Also Published As

Publication number Publication date
DE2711925C3 (de) 1981-09-10
AU506893B2 (en) 1980-01-24
JPS52125351A (en) 1977-10-21
DE2711925A1 (de) 1977-09-29
FR2344888A1 (fr) 1977-10-14
GB1577134A (en) 1980-10-22
DE2711925B2 (de) 1980-09-18
AU2339077A (en) 1978-09-21

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Legal Events

Date Code Title Description
BV The patent application has lapsed