DK134208B - Optisk system til dannelse af et billede af en genstand på et givet billedplan. - Google Patents
Optisk system til dannelse af et billede af en genstand på et givet billedplan.Info
- Publication number
- DK134208B DK134208B DK252873AA DK252873A DK134208B DK 134208 B DK134208 B DK 134208B DK 252873A A DK252873A A DK 252873AA DK 252873 A DK252873 A DK 252873A DK 134208 B DK134208 B DK 134208B
- Authority
- DK
- Denmark
- Prior art keywords
- image
- forming
- optical system
- image plane
- given
- 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
- G11B7/09—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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Optical Head (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7206376A NL7206376A (de) | 1972-05-11 | 1972-05-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK134208B true DK134208B (da) | 1976-09-27 |
DK134208C DK134208C (de) | 1977-02-28 |
Family
ID=19816019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK252873AA DK134208B (da) | 1972-05-11 | 1973-05-08 | Optisk system til dannelse af et billede af en genstand på et givet billedplan. |
Country Status (15)
Country | Link |
---|---|
US (1) | US3876875A (de) |
JP (1) | JPS5548366B2 (de) |
AT (1) | AT323819B (de) |
BE (1) | BE799334A (de) |
CA (1) | CA984190A (de) |
CH (1) | CH565381A5 (de) |
DE (1) | DE2323586C3 (de) |
DK (1) | DK134208B (de) |
ES (1) | ES414578A1 (de) |
FR (1) | FR2184344A5 (de) |
GB (1) | GB1434060A (de) |
IT (1) | IT985878B (de) |
NL (1) | NL7206376A (de) |
SE (1) | SE391403B (de) |
ZA (1) | ZA732198B (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2512384C2 (de) * | 1975-03-21 | 1986-07-31 | Geometric Data Corp., Wayne, Pa. | Feinfokussiereinrichtung für das Objektiv eines optischen Instrumentes |
FR2321711A1 (fr) * | 1975-08-19 | 1977-03-18 | Thomson Brandt | Dispositif optique a mise au point automatique et lecteur optique comportant un tel dispositif |
FR2330027A1 (fr) * | 1975-10-28 | 1977-05-27 | Thomson Brandt | Dispositif de focalisation a vergence variable et lecteur optique comportant un tel dispositif |
NL7600479A (nl) * | 1976-01-19 | 1977-07-21 | Philips Nv | Automatisch optisch focusseersysteem. |
US4918678A (en) * | 1977-12-12 | 1990-04-17 | Dolby Ray Milton | Disc reproducing system for compensating mechanical imperfections |
FR2425085A1 (fr) * | 1978-05-05 | 1979-11-30 | Quantel Sa | Objectif a longueur focale variable |
DE2915313A1 (de) * | 1979-04-14 | 1980-10-23 | Ibm Deutschland | Piezoelektrische antriebsanordnung, insbesondere fuer fokussiersysteme |
US4445209A (en) * | 1979-08-27 | 1984-04-24 | Discovision Associates | Dithered focusing systems |
JPS5769535A (en) * | 1980-10-15 | 1982-04-28 | Hitachi Ltd | Optical information processor |
DE3238108A1 (de) * | 1982-10-14 | 1984-04-19 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Adaptives optisches system |
GB8827297D0 (en) * | 1988-11-23 | 1988-12-29 | Sira Ltd | Inspection apparatus |
JPH03194526A (ja) * | 1989-12-25 | 1991-08-26 | Olympus Optical Co Ltd | 実像式ファインダー光学系 |
US5621568A (en) * | 1991-05-17 | 1997-04-15 | Asahi Kogaku Kogyo Kabushiki Kaisha | Device for adjusting the diopter setting of a finder assembly |
US6061175A (en) * | 1998-06-03 | 2000-05-09 | Watters; George M. | Multi-focal-ratio reflector telescopes |
CN1295696C (zh) * | 2004-12-09 | 2007-01-17 | 中国科学院上海光学精密机械研究所 | 位相型横向超分辨共焦*** |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE16757E (en) * | 1922-10-31 | 1927-10-04 | knight | |
US2410502A (en) * | 1940-04-06 | 1946-11-05 | Bendix Aviat Corp | Aircraft control apparatus |
US3073215A (en) * | 1959-07-06 | 1963-01-15 | Cons Electrodynamics Corp | Optical recording system |
US3514776A (en) * | 1968-05-27 | 1970-05-26 | United Aircraft Corp | Mirror device |
-
1972
- 1972-05-11 NL NL7206376A patent/NL7206376A/xx unknown
-
1973
- 1973-03-28 US US345645A patent/US3876875A/en not_active Expired - Lifetime
- 1973-03-30 ZA ZA732198A patent/ZA732198B/xx unknown
- 1973-05-08 GB GB2190373A patent/GB1434060A/en not_active Expired
- 1973-05-08 CA CA170,626A patent/CA984190A/en not_active Expired
- 1973-05-08 DK DK252873AA patent/DK134208B/da unknown
- 1973-05-08 IT IT68299/73A patent/IT985878B/it active
- 1973-05-08 CH CH653173A patent/CH565381A5/xx not_active IP Right Cessation
- 1973-05-08 AT AT404673A patent/AT323819B/de not_active IP Right Cessation
- 1973-05-08 SE SE7306437A patent/SE391403B/xx unknown
- 1973-05-09 ES ES414578A patent/ES414578A1/es not_active Expired
- 1973-05-09 FR FR7316689A patent/FR2184344A5/fr not_active Expired
- 1973-05-09 BE BE130948A patent/BE799334A/xx unknown
- 1973-05-10 DE DE2323586A patent/DE2323586C3/de not_active Expired
- 1973-05-10 JP JP5123673A patent/JPS5548366B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2323586A1 (de) | 1973-11-22 |
NL7206376A (de) | 1973-11-13 |
CA984190A (en) | 1976-02-24 |
FR2184344A5 (de) | 1973-12-21 |
IT985878B (it) | 1974-12-20 |
AT323819B (de) | 1975-07-25 |
JPS5548366B2 (de) | 1980-12-05 |
AU5529873A (en) | 1974-11-07 |
JPS4950952A (de) | 1974-05-17 |
ES414578A1 (es) | 1976-06-01 |
BE799334A (fr) | 1973-11-09 |
GB1434060A (en) | 1976-04-28 |
ZA732198B (en) | 1974-11-27 |
SE391403B (sv) | 1977-02-14 |
DE2323586B2 (de) | 1979-08-30 |
DE2323586C3 (de) | 1980-05-14 |
CH565381A5 (de) | 1975-08-15 |
US3876875A (en) | 1975-04-08 |
DK134208C (de) | 1977-02-28 |
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