BR8000279A - Objetiva de reproducao para videodiscos - Google Patents
Objetiva de reproducao para videodiscosInfo
- Publication number
- BR8000279A BR8000279A BR8000279A BR8000279A BR8000279A BR 8000279 A BR8000279 A BR 8000279A BR 8000279 A BR8000279 A BR 8000279A BR 8000279 A BR8000279 A BR 8000279A BR 8000279 A BR8000279 A BR 8000279A
- Authority
- BR
- Brazil
- Prior art keywords
- videodisks
- reproduction objective
- objective
- reproduction
- videodiscs
- Prior art date
Links
- 230000004304 visual acuity Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/02—Objectives
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Lenses (AREA)
- Microscoopes, Condenser (AREA)
- Optical Head (AREA)
- Image Input (AREA)
- Glass Compositions (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/006,327 US4286848A (en) | 1979-01-25 | 1979-01-25 | Reproducing objective lens for videodiscs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8000279A true BR8000279A (pt) | 1980-10-07 |
Family
ID=21720355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8000279A BR8000279A (pt) | 1979-01-25 | 1980-01-16 | Objetiva de reproducao para videodiscos |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4286848A (pt) |
| EP (1) | EP0014549B1 (pt) |
| JP (1) | JPS55100518A (pt) |
| AT (1) | ATE2763T1 (pt) |
| AU (1) | AU533544B2 (pt) |
| BR (1) | BR8000279A (pt) |
| CA (1) | CA1120298A (pt) |
| DE (1) | DE3062242D1 (pt) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI461728B (zh) * | 2011-09-02 | 2014-11-21 | Largan Precision Co Ltd | 影像鏡組 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2826116A (en) * | 1955-05-24 | 1958-03-11 | Canon Camera Co | Photographic objective consisting of five lens elements |
| DE1472269A1 (de) * | 1965-08-03 | 1969-03-06 | Zeiss Carl Fa | Photographisches Objektiv |
| JPS512366B1 (pt) * | 1971-05-24 | 1976-01-26 | ||
| JPS5240148A (en) * | 1975-09-25 | 1977-03-28 | Olympus Optical Co Ltd | Objective lens system for reproducing video disc |
-
1979
- 1979-01-25 US US06/006,327 patent/US4286848A/en not_active Expired - Lifetime
-
1980
- 1980-01-08 CA CA000343255A patent/CA1120298A/en not_active Expired
- 1980-01-10 AU AU54538/80A patent/AU533544B2/en not_active Ceased
- 1980-01-16 BR BR8000279A patent/BR8000279A/pt unknown
- 1980-01-24 JP JP638780A patent/JPS55100518A/ja active Pending
- 1980-01-24 DE DE8080300232T patent/DE3062242D1/de not_active Expired
- 1980-01-24 EP EP80300232A patent/EP0014549B1/en not_active Expired
- 1980-01-24 AT AT80300232T patent/ATE2763T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU5453880A (en) | 1980-07-31 |
| ATE2763T1 (de) | 1983-03-15 |
| CA1120298A (en) | 1982-03-23 |
| AU533544B2 (en) | 1983-12-01 |
| DE3062242D1 (en) | 1983-04-28 |
| JPS55100518A (en) | 1980-07-31 |
| US4286848A (en) | 1981-09-01 |
| EP0014549A1 (en) | 1980-08-20 |
| EP0014549B1 (en) | 1983-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2420794B1 (fr) | Appareil de lecture optique | |
| IT7969155A0 (it) | Sopporto di registrazione ad incisione ottica | |
| AR222079A1 (es) | Aparato de exploracion optica con conjunto de enfoque | |
| FR2533732B1 (fr) | Appareil de reproduction optique | |
| IT1138528B (it) | Dispositivo di focalizzazione ottica | |
| DK338978A (da) | Kontaktlinse samt fremgangsmaade og maskine til fremstilling af saadanne linser | |
| ES492322A0 (es) | Un dispositivo de enfoque optico | |
| DE3021887A1 (de) | Fokussierverfahren und -vorrichtung an optischen systemen | |
| AT345583B (de) | Mikroskopobjektivfassung | |
| NO150168C (no) | Lense | |
| IT1073841B (it) | Apparecchio di copiatura ottica | |
| FR2522859B1 (fr) | Appareil de lecture optique | |
| FR2525138B1 (fr) | Appareil d'usinage de lentilles optiques | |
| FR2335860A1 (fr) | Lentille grossissante | |
| BR8000279A (pt) | Objetiva de reproducao para videodiscos | |
| IT1074771B (it) | Apparecchio di copiatura ottica | |
| DE3063827D1 (en) | A write and read objective lens | |
| BR7802638A (pt) | Objetiva acromatica de microscopio com tres elementos de lentes | |
| IT7949498A0 (it) | Sorgente elettrochimica di energia | |
| IT1131652B (it) | Espolratore ottico di modelli | |
| SU596899A1 (ru) | Устройство дл дискретного светового потока объектива | |
| SU624188A1 (ru) | Объектив | |
| IT8049454A0 (it) | Perfezionamento negli apparecchi per la generazione di superfici ottiche in particolare per lenti | |
| SU651293A1 (ru) | Светосильный широкоугольный объектив | |
| SU647630A1 (ru) | Длиннофокусный фотографический объектив |