DK138866B - Apparat til aflæsning af en registreringsbærer, hvorpå information er registreret i en optisk aflæselig struktur. - Google Patents
Apparat til aflæsning af en registreringsbærer, hvorpå information er registreret i en optisk aflæselig struktur.Info
- Publication number
- DK138866B DK138866B DK51475AA DK51475A DK138866B DK 138866 B DK138866 B DK 138866B DK 51475A A DK51475A A DK 51475AA DK 51475 A DK51475 A DK 51475A DK 138866 B DK138866 B DK 138866B
- Authority
- DK
- Denmark
- Prior art keywords
- recorded
- reading
- information
- record carrier
- optically readable
- Prior art date
Links
Classifications
-
- 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
- G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Electron Tubes For Measurement (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK348677A DK348677A (da) | 1974-02-15 | 1977-08-03 | Apparat til aflesning af en registreringsberer, hvorpa information er registreret i en optisk afleselig struktur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7402169A NL7402169A (nl) | 1974-02-15 | 1974-02-15 | Inrichting voor het uitlezen van een registra- tiedrager waarop informatie is aangebracht in een optisch uitleesbare struktuur. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK51475A DK51475A (xx) | 1975-10-13 |
| DK138866B true DK138866B (da) | 1978-11-06 |
| DK138866C DK138866C (xx) | 1979-04-23 |
Family
ID=19820770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK51475AA DK138866B (da) | 1974-02-15 | 1975-02-12 | Apparat til aflæsning af en registreringsbærer, hvorpå information er registreret i en optisk aflæselig struktur. |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US3978278A (xx) |
| JP (2) | JPS5526530B2 (xx) |
| AT (1) | AT339391B (xx) |
| BE (1) | BE825588A (xx) |
| CA (1) | CA1047643A (xx) |
| CH (1) | CH584429A5 (xx) |
| DE (1) | DE2504229A1 (xx) |
| DK (1) | DK138866B (xx) |
| ES (1) | ES434685A1 (xx) |
| FR (1) | FR2261588A1 (xx) |
| GB (1) | GB1502630A (xx) |
| IT (1) | IT1031693B (xx) |
| NL (1) | NL7402169A (xx) |
| NO (1) | NO750457L (xx) |
| SE (2) | SE404448B (xx) |
| ZA (1) | ZA75375B (xx) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4310919A (en) * | 1979-01-15 | 1982-01-12 | Discovision Associates | Optical video disc structure |
| JPS5724033A (en) * | 1980-07-18 | 1982-02-08 | Sharp Corp | Pickup device |
| FR2497378B1 (fr) * | 1980-12-29 | 1985-06-28 | Thomson Csf | Dispositif compensateur de desequilibre d'un miroir de renvoi appartenant a un systeme optique d'eclairement d'un support d'information |
| NL8101932A (nl) * | 1981-04-21 | 1982-11-16 | Philips Nv | Inrichting voor het inschrijven en uitlezen van informatiesporen in een optische registratiedrager. |
| NL8400674A (nl) * | 1984-03-02 | 1985-10-01 | Philips Nv | Inrichting voor het inschrijven en/of uitlezen van informatie in een spoor van een reflekterende registratiedrager, met een fokusregeling met verminderde spot offsetgevoeligheid. |
| JPH0693044B2 (ja) * | 1985-03-22 | 1994-11-16 | 株式会社日立製作所 | プリズム光学系及びそれを用いた情報装置 |
| JP2691318B2 (ja) * | 1990-09-26 | 1997-12-17 | 株式会社日立製作所 | 光ディスク装置 |
| JP2542148Y2 (ja) * | 1990-12-17 | 1997-07-23 | 旭光学工業株式会社 | ガルバノミラー装置 |
| FR2769688B1 (fr) * | 1997-10-14 | 2000-03-10 | Valeo Vision | Projecteur elliptique a coupure attenuee |
| CN108761750B (zh) * | 2018-08-20 | 2023-07-21 | 中国科学院上海技术物理研究所 | 一种搜索与跟踪一体化相机 |
| CN114979442B (zh) * | 2022-05-25 | 2023-10-31 | 西南科技大学 | 一种多路图像采集装置及其控制方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1243509B (de) * | 1960-12-06 | 1967-06-29 | Zeiss Carl Fa | Mischbild-Entfernungsmesser, insbesondere fuer Spiegelreflex-Kameras mit in der Sucherbildebene angeordneten Prismen aus doppelbrechendem Material |
| US3224330A (en) * | 1961-12-22 | 1965-12-21 | Bell Telephone Labor Inc | Optical reflecting system for redirecting energy |
| US3381086A (en) * | 1962-08-16 | 1968-04-30 | Minnesota Mining & Mfg | Reproduction of television signals from photographic disc recordings |
| US3253525A (en) * | 1964-01-03 | 1966-05-31 | Gen Precision Inc | Variable optical wedge |
| US3530258A (en) * | 1968-06-28 | 1970-09-22 | Mca Technology Inc | Video signal transducer having servo controlled flexible fiber optic track centering |
-
1974
- 1974-02-15 NL NL7402169A patent/NL7402169A/xx not_active Application Discontinuation
- 1974-04-29 US US05/464,788 patent/US3978278A/en not_active Expired - Lifetime
-
1975
- 1975-01-20 ZA ZA00750375A patent/ZA75375B/xx unknown
- 1975-02-01 DE DE19752504229 patent/DE2504229A1/de active Pending
- 1975-02-06 CA CA219,521A patent/CA1047643A/en not_active Expired
- 1975-02-12 NO NO750457A patent/NO750457L/no unknown
- 1975-02-12 GB GB5951/75A patent/GB1502630A/en not_active Expired
- 1975-02-12 AT AT104175A patent/AT339391B/de not_active IP Right Cessation
- 1975-02-12 SE SE7501524A patent/SE404448B/xx unknown
- 1975-02-12 IT IT20210/75A patent/IT1031693B/it active
- 1975-02-12 DK DK51475AA patent/DK138866B/da unknown
- 1975-02-12 CH CH168875A patent/CH584429A5/xx not_active IP Right Cessation
- 1975-02-13 ES ES434685A patent/ES434685A1/es not_active Expired
- 1975-02-14 BE BE153413A patent/BE825588A/xx unknown
- 1975-02-15 JP JP1939875A patent/JPS5526530B2/ja not_active Expired
- 1975-02-17 FR FR7504822A patent/FR2261588A1/fr not_active Withdrawn
-
1977
- 1977-10-19 SE SE7711746A patent/SE7711746L/xx unknown
-
1979
- 1979-05-22 JP JP6317579A patent/JPS5570944A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2504229A1 (de) | 1975-08-21 |
| CA1047643A (en) | 1979-01-30 |
| CH584429A5 (xx) | 1977-01-31 |
| ES434685A1 (es) | 1977-02-01 |
| AU7819675A (en) | 1976-08-19 |
| ATA104175A (de) | 1977-02-15 |
| JPS5570944A (en) | 1980-05-28 |
| AT339391B (de) | 1977-10-10 |
| DK51475A (xx) | 1975-10-13 |
| NO750457L (xx) | 1975-08-18 |
| BE825588A (fr) | 1975-08-14 |
| FR2261588A1 (xx) | 1975-09-12 |
| DK138866C (xx) | 1979-04-23 |
| JPS50119662A (xx) | 1975-09-19 |
| NL7402169A (nl) | 1975-08-19 |
| US3978278A (en) | 1976-08-31 |
| GB1502630A (en) | 1978-03-01 |
| SE7711746L (sv) | 1977-10-19 |
| JPS5526530B2 (xx) | 1980-07-14 |
| ZA75375B (en) | 1976-08-25 |
| SE7501524L (xx) | 1975-08-18 |
| SE404448B (sv) | 1978-10-02 |
| IT1031693B (it) | 1979-05-10 |
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