BR7409886A - Aparelho para ler opticamente uma portadora de registro - Google Patents
Aparelho para ler opticamente uma portadora de registroInfo
- Publication number
- BR7409886A BR7409886A BR9886/74A BR988674A BR7409886A BR 7409886 A BR7409886 A BR 7409886A BR 9886/74 A BR9886/74 A BR 9886/74A BR 988674 A BR988674 A BR 988674A BR 7409886 A BR7409886 A BR 7409886A
- Authority
- BR
- Brazil
- Prior art keywords
- appliance
- optically read
- registration carrier
- registration
- carrier
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7316384A NL7316384A (nl) | 1973-11-29 | 1973-11-29 | Inrichting voor het optisch uitlezen van een reflekterende registratiedrager. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7409886A true BR7409886A (pt) | 1976-05-25 |
Family
ID=19820101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9886/74A BR7409886A (pt) | 1973-11-29 | 1974-11-26 | Aparelho para ler opticamente uma portadora de registro |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US3950621A (pt) |
| JP (1) | JPS5620614B2 (pt) |
| AR (1) | AR201069A1 (pt) |
| AT (1) | AT346095B (pt) |
| BE (1) | BE822672A (pt) |
| BR (1) | BR7409886A (pt) |
| CA (1) | CA1033065A (pt) |
| CH (1) | CH583447A5 (pt) |
| CS (1) | CS190456B2 (pt) |
| DE (1) | DE2453969C2 (pt) |
| DK (1) | DK136921B (pt) |
| ES (1) | ES432316A1 (pt) |
| FR (1) | FR2253248B1 (pt) |
| GB (1) | GB1490223A (pt) |
| IT (1) | IT1024918B (pt) |
| NL (1) | NL7316384A (pt) |
| NO (1) | NO744237L (pt) |
| PL (1) | PL105849B1 (pt) |
| SE (1) | SE394336B (pt) |
| ZA (1) | ZA747221B (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067639A (en) * | 1976-05-27 | 1978-01-10 | Xerox Corporation | Holographic scanning spinner |
| US4530082A (en) * | 1982-06-28 | 1985-07-16 | Eastman Kodak Company | Optical disc write/read employing passive focus maintenance |
| JPS6229053Y2 (pt) * | 1984-10-16 | 1987-07-25 | ||
| GB2216710B (en) * | 1988-03-14 | 1992-09-02 | Ici Plc | Optical or magneto-optical data system |
| US5012463A (en) * | 1988-03-14 | 1991-04-30 | Bernoulli Optical Systems Company | Optical read/write storage system for flexible media having bernoulli stabilization at the optical head |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3155977A (en) * | 1959-08-31 | 1964-11-03 | Ibm | Resilient recording disk |
| 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. |
| US3855426A (en) * | 1971-03-11 | 1974-12-17 | Philips Corp | Video disc recording and optical playback system therefor |
| NL160138C (nl) * | 1972-05-11 | 1979-09-17 | Philips Nv | Inrichting voor het uitlezen van een vlakke registratie- drager. |
-
1973
- 1973-11-29 NL NL7316384A patent/NL7316384A/xx not_active Application Discontinuation
-
1974
- 1974-11-07 US US05/521,585 patent/US3950621A/en not_active Expired - Lifetime
- 1974-11-11 ZA ZA00747221A patent/ZA747221B/xx unknown
- 1974-11-14 DE DE2453969A patent/DE2453969C2/de not_active Expired
- 1974-11-20 AR AR256595A patent/AR201069A1/es active
- 1974-11-25 NO NO744237A patent/NO744237L/no unknown
- 1974-11-26 DK DK613474AA patent/DK136921B/da unknown
- 1974-11-26 JP JP13526074A patent/JPS5620614B2/ja not_active Expired
- 1974-11-26 GB GB51130/74A patent/GB1490223A/en not_active Expired
- 1974-11-26 CH CH1567174A patent/CH583447A5/xx not_active IP Right Cessation
- 1974-11-26 BR BR9886/74A patent/BR7409886A/pt unknown
- 1974-11-26 AT AT946074A patent/AT346095B/de not_active IP Right Cessation
- 1974-11-26 PL PL1974175928A patent/PL105849B1/pl unknown
- 1974-11-26 SE SE7414806A patent/SE394336B/xx unknown
- 1974-11-26 CA CA214,631A patent/CA1033065A/en not_active Expired
- 1974-11-26 IT IT70448/74A patent/IT1024918B/it active
- 1974-11-27 ES ES432316A patent/ES432316A1/es not_active Expired
- 1974-11-27 BE BE150923A patent/BE822672A/xx unknown
- 1974-11-28 FR FR7438988A patent/FR2253248B1/fr not_active Expired
- 1974-11-29 CS CS748193A patent/CS190456B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2253248A1 (pt) | 1975-06-27 |
| DE2453969C2 (de) | 1986-04-10 |
| IT1024918B (it) | 1978-07-20 |
| CS190456B2 (en) | 1979-05-31 |
| CH583447A5 (pt) | 1976-12-31 |
| SE7414806L (pt) | 1975-05-30 |
| SE394336B (sv) | 1977-06-20 |
| CA1033065A (en) | 1978-06-13 |
| US3950621A (en) | 1976-04-13 |
| DE2453969A1 (de) | 1975-06-19 |
| ES432316A1 (es) | 1976-11-01 |
| DK136921C (pt) | 1978-05-22 |
| ATA946074A (de) | 1978-02-15 |
| AR201069A1 (es) | 1975-02-06 |
| NL7316384A (nl) | 1975-06-02 |
| DK136921B (da) | 1977-12-12 |
| JPS5620614B2 (pt) | 1981-05-14 |
| NO744237L (pt) | 1975-06-23 |
| DK613474A (pt) | 1975-07-28 |
| PL105849B1 (pl) | 1979-11-30 |
| AU7580674A (en) | 1976-05-27 |
| FR2253248B1 (pt) | 1980-03-21 |
| ZA747221B (en) | 1976-06-30 |
| AT346095B (de) | 1978-10-25 |
| JPS5087606A (pt) | 1975-07-14 |
| BE822672A (nl) | 1975-05-27 |
| GB1490223A (en) | 1977-10-26 |
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