NL7304615A - - Google Patents
Info
- Publication number
- NL7304615A NL7304615A NL7304615A NL7304615A NL7304615A NL 7304615 A NL7304615 A NL 7304615A NL 7304615 A NL7304615 A NL 7304615A NL 7304615 A NL7304615 A NL 7304615A NL 7304615 A NL7304615 A NL 7304615A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/146—Aligning or centring of the image pick-up or image-field
- G06V30/1475—Inclination or skew detection or correction of characters or of image to be recognised
- G06V30/1478—Inclination or skew detection or correction of characters or of image to be recognised of characters or characters lines
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- 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
- G06K7/01—Details
- G06K7/015—Aligning or centering of the sensing device with respect to the record carrier
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/602—Guiding record carrier for track selection, acquisition or following
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Artificial Intelligence (AREA)
- Optical Recording Or Reproduction (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24920272A | 1972-05-01 | 1972-05-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7304615A true NL7304615A (nl) | 1973-11-05 |
Family
ID=22942460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7304615A NL7304615A (nl) | 1972-05-01 | 1973-04-03 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3739154A (nl) |
| JP (1) | JPS4942304A (nl) |
| DE (1) | DE2320857A1 (nl) |
| FR (1) | FR2188231A1 (nl) |
| NL (1) | NL7304615A (nl) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3851335A (en) * | 1973-07-30 | 1974-11-26 | Ibm | Buffer systems |
| EP0076347B1 (en) * | 1974-10-21 | 1987-02-04 | Drc-Soundstream Inc. | Optical track segment intercept apparatus |
| US4124784A (en) * | 1977-05-23 | 1978-11-07 | Dbx, Inc. | Motion picture sound system |
| US4536866A (en) * | 1978-11-30 | 1985-08-20 | Videonics Of Hawaii, Inc. | Information retrieval system and apparatus |
| JPS55142424A (en) * | 1979-04-18 | 1980-11-07 | Ibm | Sensor for optical data memory |
| JPS5667277A (en) * | 1979-11-05 | 1981-06-06 | Canon Inc | Laser recording device |
| FR2514913B1 (fr) * | 1981-10-16 | 1986-07-04 | Bull Sa | Dispositif opto-electronique de lecture d'informations contenues sur un support magnetique |
| US4588882A (en) * | 1984-06-06 | 1986-05-13 | Drexler Technology Corporation | Skew detection system for optically read data |
| US4937810A (en) * | 1986-04-23 | 1990-06-26 | Drexler Technology Corporation | Optical recording tape with continuous prerecorded tracks |
| DE4233655A1 (de) * | 1992-10-07 | 1994-04-14 | Futurum X Unternehmungsberatun | Verfahren zur Langzeitspeicherung elektronischer Daten auf einem optisch auslesbaren Trägermedium |
| US6929184B2 (en) * | 2003-11-05 | 2005-08-16 | Symbol Technologies, Inc. | Monitoring bi-directional motor drive failure in electro-optical reader |
-
1972
- 1972-05-01 US US00249202A patent/US3739154A/en not_active Expired - Lifetime
-
1973
- 1973-04-03 NL NL7304615A patent/NL7304615A/xx unknown
- 1973-04-25 DE DE2320857A patent/DE2320857A1/de active Pending
- 1973-04-26 FR FR7315079A patent/FR2188231A1/fr not_active Withdrawn
- 1973-05-01 JP JP48047678A patent/JPS4942304A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4942304A (nl) | 1974-04-20 |
| DE2320857A1 (de) | 1973-11-15 |
| FR2188231A1 (nl) | 1974-01-18 |
| US3739154A (en) | 1973-06-12 |