ATE115320T1 - Gerät zur feststellung der neigung einer optischen karte. - Google Patents
Gerät zur feststellung der neigung einer optischen karte.Info
- Publication number
- ATE115320T1 ATE115320T1 AT88111783T AT88111783T ATE115320T1 AT E115320 T1 ATE115320 T1 AT E115320T1 AT 88111783 T AT88111783 T AT 88111783T AT 88111783 T AT88111783 T AT 88111783T AT E115320 T1 ATE115320 T1 AT E115320T1
- Authority
- AT
- Austria
- Prior art keywords
- card
- optical
- optical card
- card holder
- optical head
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/34—Guiding record carriers during transducing operation, e.g. for track following
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/10—Control of operating function, e.g. switching from recording to reproducing by sensing presence or absence of record in accessible stored position or on turntable
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0033—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film
-
- 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)
- Optical Recording Or Reproduction (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Holo Graphy (AREA)
- Credit Cards Or The Like (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62184505A JP2508735B2 (ja) | 1987-07-22 | 1987-07-22 | 光カ−ド傾き検出装置 |
| JP62198963A JP2508743B2 (ja) | 1987-08-08 | 1987-08-08 | 光カ−ド傾き角度検出装置 |
| JP1987150605U JPH0728579Y2 (ja) | 1987-10-01 | 1987-10-01 | トラッキング誤差検出装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE115320T1 true ATE115320T1 (de) | 1994-12-15 |
Family
ID=27319958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT88111783T ATE115320T1 (de) | 1987-07-22 | 1988-07-21 | Gerät zur feststellung der neigung einer optischen karte. |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0300481B1 (de) |
| AT (1) | ATE115320T1 (de) |
| DE (1) | DE3852350T2 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03130932A (ja) * | 1989-10-14 | 1991-06-04 | Omron Corp | 光カード処理装置 |
| US5189290A (en) * | 1989-10-14 | 1993-02-23 | Omron Corporation | Optical card processing apparatus using tracking error signals to determine proper card orientation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4057833A (en) * | 1974-10-03 | 1977-11-08 | U.S. Philips Corporation | Centering detection system for an apparatus for playing optically readable record carriers |
| NL177157C (nl) * | 1975-02-28 | 1985-08-01 | Philips Nv | Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestruktuur. |
| NL7600843A (nl) * | 1976-01-28 | 1977-08-01 | Philips Nv | Inrichting voor het uitlezen van een registratie- drager waarop informatie, bijvoorbeeld en/of ge- luidsinformatie, is aangebracht. |
| JPS60256927A (ja) * | 1984-06-01 | 1985-12-18 | Nippon Gakki Seizo Kk | 光学式デイスク再生装置の読取り制御装置 |
| US4855981A (en) * | 1985-04-18 | 1989-08-08 | Computer Services Corporation | Method and device for reading out optically recorded data and compensating for a drastic change in the position of a line to be read |
-
1988
- 1988-07-21 EP EP88111783A patent/EP0300481B1/de not_active Expired - Lifetime
- 1988-07-21 AT AT88111783T patent/ATE115320T1/de not_active IP Right Cessation
- 1988-07-21 DE DE3852350T patent/DE3852350T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0300481B1 (de) | 1994-12-07 |
| EP0300481A3 (en) | 1990-04-18 |
| EP0300481A2 (de) | 1989-01-25 |
| DE3852350T2 (de) | 1995-07-27 |
| DE3852350D1 (de) | 1995-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |