ATA91075A - Vorrichtung zur einstellung des abbildes einer informationsstruktur auf einen umsetzer - Google Patents
Vorrichtung zur einstellung des abbildes einer informationsstruktur auf einen umsetzerInfo
- Publication number
- ATA91075A ATA91075A AT91075*#A AT91075A ATA91075A AT A91075 A ATA91075 A AT A91075A AT 91075 A AT91075 A AT 91075A AT A91075 A ATA91075 A AT A91075A
- Authority
- AT
- Austria
- Prior art keywords
- converter
- adjusting
- image
- information structure
- information
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/40—Optical focusing aids
-
- 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
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only
-
- 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
- G11B7/0908—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 focusing only
- G11B7/0917—Focus-error methods other than those covered by G11B7/0909 - G11B7/0916
- G11B2007/0924—Skewed beams methods (using an angled beam, i.e. a beam which is reflected from the disc at an angle different from 90°)
-
- 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
- G11B7/0908—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 focusing only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7401805A NL7401805A (nl) | 1974-02-09 | 1974-02-09 | Inrichting voor het instellen van het beeld en informatiestruktuur op een omzetter. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA91075A true ATA91075A (de) | 1976-10-15 |
| AT337267B AT337267B (de) | 1977-06-27 |
Family
ID=19820723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT91075A AT337267B (de) | 1974-02-09 | 1975-02-06 | Vorrichtung zur einstellung des abbildes einer informationsstruktur auf einen umsetzer |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US3976828A (de) |
| JP (2) | JPS50110647A (de) |
| AR (1) | AR203674A1 (de) |
| AT (1) | AT337267B (de) |
| BE (1) | BE825328A (de) |
| BR (1) | BR7500762A (de) |
| CA (1) | CA1051549A (de) |
| CH (1) | CH583493A5 (de) |
| DE (1) | DE2503769C2 (de) |
| DK (1) | DK137252B (de) |
| ES (1) | ES434530A1 (de) |
| FR (1) | FR2260910B1 (de) |
| GB (1) | GB1498617A (de) |
| IT (1) | IT1029646B (de) |
| NL (1) | NL7401805A (de) |
| NO (1) | NO750384L (de) |
| SE (1) | SE404449B (de) |
| ZA (1) | ZA75531B (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5651059A (en) * | 1979-10-01 | 1981-05-08 | Mitsubishi Electric Corp | Flexible disc device for both side type |
| JPS5722210A (en) * | 1980-07-15 | 1982-02-05 | Canon Inc | Optical device |
| JPS6215864Y2 (de) * | 1980-08-04 | 1987-04-22 | ||
| GB2088646B (en) * | 1980-10-24 | 1984-09-12 | Sony Corp | Pick-up assemblies for disc players |
| JPS57113428A (en) * | 1980-12-29 | 1982-07-14 | Pioneer Video Corp | Focus servo device |
| JPS5877035A (ja) * | 1981-10-08 | 1983-05-10 | Mitsubishi Electric Corp | 自動焦点引込み装置 |
| JPS5887513A (ja) * | 1981-11-19 | 1983-05-25 | Olympus Optical Co Ltd | 焦点検出装置及び合焦位置設定装置 |
| JPS5887514A (ja) * | 1981-11-20 | 1983-05-25 | Olympus Optical Co Ltd | 焦点検出装置及び合焦位置設定装置 |
| JPS5928828U (ja) * | 1982-08-17 | 1984-02-22 | パイオニア株式会社 | 情報検出用スポツト光の集束位置移動制御装置 |
| US5245174A (en) * | 1990-10-15 | 1993-09-14 | Applied Magnetics Corporation | Focus sensing apparatus utilizing a reflecting surface having variable reflectivity |
| GB2248989B (en) * | 1990-10-15 | 1995-05-24 | Applied Magnetics Corp | Focus sensing apparatus and method |
| JP3528041B2 (ja) | 1999-07-27 | 2004-05-17 | 株式会社村田製作所 | スピーカ |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2581133A (en) * | 1950-11-02 | 1952-01-01 | Sound Apparatus Company | Graphic recorder with sliding coils |
| US3391255A (en) * | 1962-05-16 | 1968-07-02 | Minnesota Mining & Mfg | Transducing system |
| US3544980A (en) * | 1968-03-22 | 1970-12-01 | Peripheral Systems Corp | Magnetic recording disc drive with head positioning and collision avoidance apparatus |
| US3576454A (en) * | 1968-03-28 | 1971-04-27 | Ibm | Data storage accessing mechanism with moving coil motor |
| US3521092A (en) * | 1968-07-10 | 1970-07-21 | Ibm | Data storage extended stroke actuator |
| FR2126492A5 (de) * | 1971-02-08 | 1972-10-06 | Thomson Csf | |
| NL172202C (nl) * | 1971-03-11 | 1983-07-18 | Philips Nv | Inrichting voor het uitlezen van een plaatvormige informatiedrager bevattende in optische vorm gecodeerde beeld- en/of geluidssignalen. |
| US3725764A (en) * | 1971-04-01 | 1973-04-03 | Ibm | Servo positioning system for magnetic disk memory including radial runout servo compensation |
| JPS5333862B2 (de) * | 1971-12-14 | 1978-09-18 |
-
1974
- 1974-02-09 NL NL7401805A patent/NL7401805A/xx not_active Application Discontinuation
-
1975
- 1975-01-24 ZA ZA00750531A patent/ZA75531B/xx unknown
- 1975-01-28 US US05/544,854 patent/US3976828A/en not_active Expired - Lifetime
- 1975-01-30 DE DE2503769A patent/DE2503769C2/de not_active Expired
- 1975-02-05 AR AR257546A patent/AR203674A1/es active
- 1975-02-05 DK DK39475AA patent/DK137252B/da unknown
- 1975-02-06 JP JP50014942A patent/JPS50110647A/ja active Pending
- 1975-02-06 AT AT91075A patent/AT337267B/de not_active IP Right Cessation
- 1975-02-06 IT IT48053/75A patent/IT1029646B/it active
- 1975-02-06 SE SE7501292A patent/SE404449B/xx not_active Application Discontinuation
- 1975-02-06 NO NO750384A patent/NO750384L/no unknown
- 1975-02-06 CA CA219,533A patent/CA1051549A/en not_active Expired
- 1975-02-06 GB GB5073/75A patent/GB1498617A/en not_active Expired
- 1975-02-06 BR BR762/75A patent/BR7500762A/pt unknown
- 1975-02-06 CH CH141675A patent/CH583493A5/xx not_active IP Right Cessation
- 1975-02-07 ES ES434530A patent/ES434530A1/es not_active Expired
- 1975-02-07 BE BE153190A patent/BE825328A/xx unknown
- 1975-02-10 FR FR7504056A patent/FR2260910B1/fr not_active Expired
-
1981
- 1981-05-08 JP JP1981065727U patent/JPS6226813Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6226813Y2 (de) | 1987-07-09 |
| NL7401805A (nl) | 1975-08-12 |
| IT1029646B (it) | 1979-03-20 |
| ES434530A1 (es) | 1976-12-16 |
| SE404449B (sv) | 1978-10-02 |
| DK39475A (de) | 1975-10-06 |
| CH583493A5 (de) | 1976-12-31 |
| CA1051549A (en) | 1979-03-27 |
| BE825328A (fr) | 1975-08-07 |
| AR203674A1 (es) | 1975-09-30 |
| AU7791475A (en) | 1976-08-05 |
| DK137252C (de) | 1978-07-10 |
| AT337267B (de) | 1977-06-27 |
| JPS57841U (de) | 1982-01-05 |
| SE7501292L (de) | 1975-08-11 |
| DK137252B (da) | 1978-02-06 |
| FR2260910A1 (de) | 1975-09-05 |
| FR2260910B1 (de) | 1982-03-05 |
| BR7500762A (pt) | 1975-11-25 |
| GB1498617A (en) | 1978-01-25 |
| DE2503769C2 (de) | 1984-03-08 |
| US3976828A (en) | 1976-08-24 |
| JPS50110647A (de) | 1975-08-30 |
| DE2503769A1 (de) | 1975-08-14 |
| ZA75531B (en) | 1976-08-25 |
| NO750384L (de) | 1975-08-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee | ||
| UEP | Publication of translation of european patent specification | ||
| RZN | Patent revoked |