CH477675A - Gerät zum mikroskopischen Bestimmen oder Einstellen der Lage der Kante eines Objektes - Google Patents
Gerät zum mikroskopischen Bestimmen oder Einstellen der Lage der Kante eines ObjektesInfo
- Publication number
- CH477675A CH477675A CH875968A CH875968A CH477675A CH 477675 A CH477675 A CH 477675A CH 875968 A CH875968 A CH 875968A CH 875968 A CH875968 A CH 875968A CH 477675 A CH477675 A CH 477675A
- Authority
- CH
- Switzerland
- Prior art keywords
- adjustment
- edge
- microscopic determination
- microscopic
- determination
- 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
- G11B7/09—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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB0096695 | 1968-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH477675A true CH477675A (de) | 1969-08-31 |
Family
ID=6988851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH875968A CH477675A (de) | 1968-02-17 | 1968-06-13 | Gerät zum mikroskopischen Bestimmen oder Einstellen der Lage der Kante eines Objektes |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH477675A (de) |
| NL (1) | NL6901303A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2121379C3 (de) * | 1971-04-30 | 1979-10-18 | Heinz 3000 Hannover Preuss | Audiovisuelles Wiedergabegerät und dafür bestimmte Bild-Ton-Platte |
| JPS54133305A (en) * | 1978-04-07 | 1979-10-17 | Hitachi Ltd | Information recorder |
-
1968
- 1968-06-13 CH CH875968A patent/CH477675A/de not_active IP Right Cessation
-
1969
- 1969-01-27 NL NL6901303A patent/NL6901303A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE1613987A1 (de) | 1971-07-22 |
| DE1613987B2 (de) | 1975-11-27 |
| NL6901303A (de) | 1969-08-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |