DE3768249D1 - Abtaster mit einer holographischen scheibe, die spezielle hologramme zur positionsanzeige enthaelt. - Google Patents

Abtaster mit einer holographischen scheibe, die spezielle hologramme zur positionsanzeige enthaelt.

Info

Publication number
DE3768249D1
DE3768249D1 DE8787119138T DE3768249T DE3768249D1 DE 3768249 D1 DE3768249 D1 DE 3768249D1 DE 8787119138 T DE8787119138 T DE 8787119138T DE 3768249 T DE3768249 T DE 3768249T DE 3768249 D1 DE3768249 D1 DE 3768249D1
Authority
DE
Germany
Prior art keywords
holograms
scanner
special
position indication
holographic disc
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 - Fee Related
Application number
DE8787119138T
Other languages
English (en)
Inventor
Robert Thomas Cato
Leroy David Dickson
Robert Scott Fortenberry
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3768249D1 publication Critical patent/DE3768249D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
    • G06K7/10871—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels randomly oriented data-fields, code-marks therefore, e.g. concentric circles-code
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/106—Scanning systems having diffraction gratings as scanning elements, e.g. holographic scanners
DE8787119138T 1987-01-12 1987-12-23 Abtaster mit einer holographischen scheibe, die spezielle hologramme zur positionsanzeige enthaelt. Expired - Fee Related DE3768249D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/003,014 US4758058A (en) 1987-01-12 1987-01-12 Holographic disk scanner having special position-indicating holograms

Publications (1)

Publication Number Publication Date
DE3768249D1 true DE3768249D1 (de) 1991-04-04

Family

ID=21703676

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787119138T Expired - Fee Related DE3768249D1 (de) 1987-01-12 1987-12-23 Abtaster mit einer holographischen scheibe, die spezielle hologramme zur positionsanzeige enthaelt.

Country Status (4)

Country Link
US (1) US4758058A (de)
EP (1) EP0277355B1 (de)
JP (1) JPH0627906B2 (de)
DE (1) DE3768249D1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5296689A (en) * 1992-02-28 1994-03-22 Spectra-Physics Scanning Systems, Inc. Aiming beam system for optical data reading device
US5291318A (en) * 1992-11-02 1994-03-01 Xerox Corporation Holographic member for a real-time clock in a raster output scanner
US5258862A (en) * 1992-12-10 1993-11-02 Xerox Corporation Rotating disc optical synchronization system using binary diffractive optical elements
US5291319A (en) * 1992-12-11 1994-03-01 Xerox Corporation Rotating disc optical synchronization system using binary diffractive optical elements
US5309272A (en) * 1992-12-11 1994-05-03 Xerox Corporation Dual pass binary diffractive optical element scanner
CA2107194C (en) * 1992-12-11 1999-08-31 Ellis D. Harris Binary diffractive optical element scanner
US5335108A (en) * 1992-12-11 1994-08-02 Xerox Corporation Rotating disc optical synchronization system using alternating binary diffractive optical elements
US6758402B1 (en) 1994-08-17 2004-07-06 Metrologic Instruments, Inc. Bioptical holographic laser scanning system
US6006993A (en) * 1994-08-17 1999-12-28 Metrologic Instruments, Inc. Holographic laser scanning system for carrying out laser beam scanning operations with improved scan angle multiplication efficiency and carrying out light collection operations with improved light collection efficiency
US6158659A (en) * 1994-08-17 2000-12-12 Metrologic Instruments, Inc. Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes
US6003772A (en) * 1994-08-17 1999-12-21 Metrologic Instruments, Inc. Holographic laser scanning system employing holographic scanning disc having dual-fringe contrast regions for optimized laser beam scanning and light collection operations
US6085978A (en) * 1994-08-17 2000-07-11 Metrologic Instruments, Inc. Holographic laser scanners of modular construction and method and apparatus for designing and manufacturing the same
US6073846A (en) 1994-08-17 2000-06-13 Metrologic Instruments, Inc. Holographic laser scanning system and process and apparatus and method
US7051922B2 (en) * 1994-08-17 2006-05-30 Metrologic Instruments, Inc. Compact bioptical laser scanning system
US6199759B1 (en) 1994-08-17 2001-03-13 Metrologic Instruments, Inc. Bar code symbol scanning system having a holographic laser scanning disc utilizing maximum light collection surface area thereof and having scanning facets with optimized light collection efficiency
US6547144B1 (en) 1994-08-17 2003-04-15 Metrologic Instruments, Inc. Holographic laser scanning system for carrying out light collection operations with improved light collection efficiency
US5818507A (en) * 1994-10-28 1998-10-06 Xerox Corporation Method and apparatus for controlling the modulation of light beams in a rotating polygon type image forming apparatus
USRE39653E1 (en) 1994-11-17 2007-05-22 Matsushita Electric Industrial Co., Ltd. Mark forming apparatus, method of forming laser mark on optical disk, reproducing apparatus, optical disk and method of producing optical disk
CN1126079C (zh) 1994-11-17 2003-10-29 松下电器产业株式会社 光盘标记形成设备及方法、再现设备、光盘及其制造方法
US6619550B1 (en) 1995-12-18 2003-09-16 Metrologic Instruments, Inc. Automated tunnel-type laser scanning system employing corner-projected orthogonal laser scanning patterns for enhanced reading of ladder and picket fence oriented bar codes on packages moving therethrough
US6354505B1 (en) 1995-12-18 2002-03-12 Metrologic Instruments, Inc. Scan data signal processor employing pass-band filter structures having frequency response characteristics dynamically switched into operation by control signals indicative of the focal zone of the laser beam during bar code symbol scanning
US6422467B2 (en) 1995-12-18 2002-07-23 Metrologic Instruments, Inc. Reading system a variable pass-band
US6494377B1 (en) 1995-12-18 2002-12-17 Metrologic Instruments, Inc. Method of and apparatus for processing analog scan data signals derived while scanning a bar code symbol using a laser beam, wherein the detected beam spot speed of said laser beam is used to dynamically switch into operation optimal pass-band filtering circuits
US6572018B1 (en) 1995-12-18 2003-06-03 Metrologic Instruments, Inc. Method of and apparatus for processing analog scan data signals derived by scanning bar code symbols using a laser beam, wherein a real-time bar code element detector is used to control the detection of zero-crossings occurring in the second derivative of said analog scan data signals
US6223986B1 (en) 1997-04-17 2001-05-01 Psc Scanning, Inc. Aiming aid for optical data reading
US6830190B2 (en) 1999-02-02 2004-12-14 Metrologic Instruments, Inc. Multipath scan data signal processor having multiple signal processing paths with different operational characteristics to enable processing of signals having increased dynamic range
JP4330762B2 (ja) 2000-04-21 2009-09-16 富士フイルム株式会社 マルチビーム露光装置
US7014116B2 (en) * 2004-02-20 2006-03-21 International Business Machines Corporation Price verification method, device and program product
US20080008076A1 (en) * 2004-04-16 2008-01-10 Raguin Daniel H Calibration of Holographic Data Storage Systems Using Holographic Media Calibration Features

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3636317A (en) * 1969-04-28 1972-01-18 Charecogn Systems Inc Machine readable code track
US4415224A (en) * 1981-06-08 1983-11-15 International Business Machines Corporation Holographic scanner disc with different facet areas
JPS5814113A (ja) * 1981-07-17 1983-01-26 Ricoh Co Ltd レ−ザ装置
JPS5869821U (ja) * 1981-11-04 1983-05-12 三菱電機株式会社 ホログラム・スキヤナ
JPS59116610A (ja) * 1982-12-24 1984-07-05 Ricoh Co Ltd 光走査装置
US4548463A (en) * 1984-02-13 1985-10-22 International Business Machines Corporation Holographic scanner control based on monitored diffraction efficiency
US4591242A (en) * 1984-02-13 1986-05-27 International Business Machines Corp. Optical scanner having multiple, simultaneous scan lines with different focal lengths
JPS6157921A (ja) * 1984-08-29 1986-03-25 Fuji Photo Film Co Ltd 光ビ−ム走査装置
JPS61167619U (de) * 1985-04-05 1986-10-17

Also Published As

Publication number Publication date
EP0277355B1 (de) 1991-02-27
US4758058A (en) 1988-07-19
JPS63175821A (ja) 1988-07-20
JPH0627906B2 (ja) 1994-04-13
EP0277355A1 (de) 1988-08-10

Similar Documents

Publication Publication Date Title
DE3768249D1 (de) Abtaster mit einer holographischen scheibe, die spezielle hologramme zur positionsanzeige enthaelt.
DE69000106D1 (de) Automatisches bindewerkzeug.
DE3886865D1 (de) Steuereinrichtung in einem Senderempfänger.
DE69014854D1 (de) Hologrammkalender.
NO891589L (no) Automatisk sprayboks.
ES537127A0 (es) Perfeccionamientos en un accionador de frenos con ajuste automatico
DE3883823T2 (de) Gerät zur Informationsaufzeichnung mit einem Lichtstrahl.
DE3876696T2 (de) Umkehrberstscheibe zur druckentlastung.
DE3875613T2 (de) Peruecke mit einem formhalteglied.
IT8421389A0 (it) Albero a camme e procedimento per la sua fabbricazione.
ES510102A0 (es) Procedimiento para preparar una superaleacion a base de cobalto.
DE69008470T2 (de) Loseblatt-Binder.
DE68910769T2 (de) Kupplungsscheibe.
DE68900691D1 (de) Automatischer objektgreifer.
BR8202078A (pt) Aperfeicoamento em freios a discos de baixo atrito
DE58902551D1 (de) Vorrichtung mit einem stellmotor zum eingriff in eine uebertragungseinrichtung.
DE68903591D1 (de) Kupplungsmechanismus in einem zahnradgetriebe.
ES2021326B3 (es) Empujador de valvula ajustador hidraulico automatico.
DE68914476T2 (de) Ein Stromwender.
AR240157A1 (es) Cierre vertedor para un recipiente.
GB2205908B (en) A brake actuator having an automatic gap adjuster.
DE68919237T2 (de) Schmiervorrichtung in einer revolverartigen Umstellungsvorrichtung.
FI890301A (fi) Automatiskt flissaoll.
ES1010019Y (es) Archivador para estuches de discos.
ES518522A0 (es) Procedimiento para la obtencion de aglutinantes de cochuracion a base de poliester.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee