AT351813B - DEVICE ON STORAGE DEVICES FOR TRACKING A LIGHT BEAM SCANNING HEAD WHEN REPRODUCTION OF INFORMATION - Google Patents

DEVICE ON STORAGE DEVICES FOR TRACKING A LIGHT BEAM SCANNING HEAD WHEN REPRODUCTION OF INFORMATION

Info

Publication number
AT351813B
AT351813B AT352975A AT352975A AT351813B AT 351813 B AT351813 B AT 351813B AT 352975 A AT352975 A AT 352975A AT 352975 A AT352975 A AT 352975A AT 351813 B AT351813 B AT 351813B
Authority
AT
Austria
Prior art keywords
reproduction
tracking
information
light beam
storage devices
Prior art date
Application number
AT352975A
Other languages
German (de)
Other versions
ATA352975A (en
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of ATA352975A publication Critical patent/ATA352975A/en
Application granted granted Critical
Publication of AT351813B publication Critical patent/AT351813B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/30—Coverings, e.g. protecting against weather, for decorative purposes
    • E06B3/301—Coverings, e.g. protecting against weather, for decorative purposes consisting of prefabricated profiled members or glass
    • E06B3/305—Covering metal frames with plastic or metal profiled members
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/54—Fixing of glass panes or like plates
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/54—Fixing of glass panes or like plates
    • E06B3/5409—Means for locally spacing the pane from the surrounding frame
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/54—Fixing of glass panes or like plates
    • E06B3/5481—Fixing of glass panes or like plates by means of discrete fixing elements, e.g. glazing clips, glaziers points
    • 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
    • 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
    • G11B7/0901—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 track following only
    • G11B7/0904—Dithered tracking systems
AT352975A 1974-05-13 1975-05-07 DEVICE ON STORAGE DEVICES FOR TRACKING A LIGHT BEAM SCANNING HEAD WHEN REPRODUCTION OF INFORMATION AT351813B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2423074A DE2423074C2 (en) 1974-05-13 1974-05-13 Device for tracking a light beam scanning head

Publications (2)

Publication Number Publication Date
ATA352975A ATA352975A (en) 1979-01-15
AT351813B true AT351813B (en) 1979-08-10

Family

ID=5915374

Family Applications (2)

Application Number Title Priority Date Filing Date
AT352975A AT351813B (en) 1974-05-13 1975-05-07 DEVICE ON STORAGE DEVICES FOR TRACKING A LIGHT BEAM SCANNING HEAD WHEN REPRODUCTION OF INFORMATION
AT808275A AT352975B (en) 1974-05-13 1975-10-23 FIRE RESISTANT GLAZING IN THE FORM OF A FRAME OF GLASS

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT808275A AT352975B (en) 1974-05-13 1975-10-23 FIRE RESISTANT GLAZING IN THE FORM OF A FRAME OF GLASS

Country Status (8)

Country Link
JP (1) JPS50156947A (en)
AT (2) AT351813B (en)
BR (1) BR7502901A (en)
CH (1) CH580854A5 (en)
DE (1) DE2423074C2 (en)
GB (1) GB1506630A (en)
NL (1) NL7505545A (en)
SE (1) SE397894B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2375690A1 (en) * 1976-12-23 1978-07-21 Thomson Brandt RADIAL TRACKING ERROR DETECTION DEVICE FOR OPTICAL READERS AND RECORDERS
CA1147456A (en) * 1978-03-23 1983-05-31 Raymond F. Ravizza Automatically compensated movable head servo circuit and method
US4232201A (en) * 1978-11-24 1980-11-04 Mca Discovision, Inc. Dithered center tracking system
DE3049004A1 (en) * 1980-12-24 1982-07-15 Robert Bosch Gmbh, 7000 Stuttgart Video magnetic disc replay system - has switching circuit to handle track guidance during change-over of tracks

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126535A (en) * 1961-12-27 1964-03-24 Transducer positioning system

Also Published As

Publication number Publication date
GB1506630A (en) 1978-04-05
BR7502901A (en) 1976-03-23
SE397894B (en) 1977-11-21
AT352975B (en) 1979-01-15
SE7505429L (en) 1975-11-14
ATA808275A (en) 1979-03-15
CH580854A5 (en) 1976-10-15
JPS50156947A (en) 1975-12-18
NL7505545A (en) 1975-11-17
ATA352975A (en) 1979-01-15
DE2423074C2 (en) 1983-09-22
DE2423074A1 (en) 1975-11-27

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee
REN Ceased due to non-payment of the annual fee