CH477675A - Device for microscopic determination or adjustment of the position of the edge of an object - Google Patents

Device for microscopic determination or adjustment of the position of the edge of an object

Info

Publication number
CH477675A
CH477675A CH875968A CH875968A CH477675A CH 477675 A CH477675 A CH 477675A CH 875968 A CH875968 A CH 875968A CH 875968 A CH875968 A CH 875968A CH 477675 A CH477675 A CH 477675A
Authority
CH
Switzerland
Prior art keywords
adjustment
edge
microscopic determination
microscopic
determination
Prior art date
Application number
CH875968A
Other languages
German (de)
Inventor
Heitmann Knut
Schneider Eckart
Original Assignee
Leitz Ernst Gmbh
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 Leitz Ernst Gmbh filed Critical Leitz Ernst Gmbh
Publication of CH477675A publication Critical patent/CH477675A/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/40—Optical focusing aids
    • 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
    • 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
    • G11B7/0917—Focus-error methods other than those covered by G11B7/0909 - G11B7/0916

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
CH875968A 1968-02-17 1968-06-13 Device for microscopic determination or adjustment of the position of the edge of an object CH477675A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0096695 1968-02-17

Publications (1)

Publication Number Publication Date
CH477675A true CH477675A (en) 1969-08-31

Family

ID=6988851

Family Applications (1)

Application Number Title Priority Date Filing Date
CH875968A CH477675A (en) 1968-02-17 1968-06-13 Device for microscopic determination or adjustment of the position of the edge of an object

Country Status (2)

Country Link
CH (1) CH477675A (en)
NL (1) NL6901303A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2121379C3 (en) * 1971-04-30 1979-10-18 Heinz 3000 Hannover Preuss Audiovisual playback device and a dedicated image / sound record
JPS54133305A (en) * 1978-04-07 1979-10-17 Hitachi Ltd Information recorder

Also Published As

Publication number Publication date
DE1613987A1 (en) 1971-07-22
DE1613987B2 (en) 1975-11-27
NL6901303A (en) 1969-08-19

Similar Documents

Publication Publication Date Title
CH419795A (en) Device for precise setting of the position of a workpiece
AT274438B (en) Device for detecting the presence of an object
CH476348A (en) Device for setting the position of a data carrier
CH515525A (en) Device for adjusting the position of the movable cover of a support plate
CH479411A (en) Device for coating
CH443971A (en) Device for regulating the movement of a first body as a function of the position of a second body
AT310221B (en) Devices for determining the condition of the position of a track
AT256493B (en) Device for the automatic and continuous measurement of layer thicknesses
CH527423A (en) Device for measuring the speed of an object
CH494144A (en) Device for regulating the speed of a car
CH463556A (en) Mobile device for continuously correcting the position of a track
CH422177A (en) Device for displaying the position of an object by means of ultrasound
CH477675A (en) Device for microscopic determination or adjustment of the position of the edge of an object
AT316631B (en) Device for controlling the inclination of a vehicle
CH521631A (en) Arrangement for the remote-controlled position adjustment of an object
AT287335B (en) Device for determining the X and Y coordinates of any point
FR1140961A (en) Screening surface with adjustable passage dimensions
CH476979A (en) Device for microscopic determination or adjustment of the position of the edge of an object
CH527410A (en) Device for regulating the position of a spacecraft
CH500803A (en) Fastening device for adjustable fastening of a tool
AT284516B (en) Device for determining the presence of a movement of a movable object above a predetermined limit speed
AT289878B (en) Device for correcting the position of a track
CH480570A (en) Device for the vacuum-tight closing of a vessel
CH436749A (en) Arrangement for the digital reading of the position of an object
AT308435B (en) Device for establishing the identity of an individual

Legal Events

Date Code Title Description
PL Patent ceased