NL7212044A - - Google Patents
Info
- Publication number
- NL7212044A NL7212044A NL7212044A NL7212044A NL7212044A NL 7212044 A NL7212044 A NL 7212044A NL 7212044 A NL7212044 A NL 7212044A NL 7212044 A NL7212044 A NL 7212044A NL 7212044 A NL7212044 A NL 7212044A
- Authority
- NL
- Netherlands
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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (20)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7212044A NL7212044A (fr) | 1972-09-05 | 1972-09-05 | |
AR24927273A AR198680A1 (es) | 1972-09-02 | 1973-07-25 | Aparato lector de un portador de grabacion sobre el cual esta grabada informacion en al menos una pista |
DE19732341824 DE2341824C3 (de) | 1972-09-02 | 1973-08-18 | Vorrichtung zum Auslesen eines Aufzeichnungsträgers, auf dem Daten in mindestens einer Spur angebracht sind |
NO339973A NO141671C (no) | 1972-09-02 | 1973-08-29 | Apparat! for avlesning av en opptegningsbaerer paa hvilken informasjon, f.eks. video- og/eller lydinformasjon er opptegnet i minst ett spor |
FR7331189A FR2198203B1 (fr) | 1972-09-02 | 1973-08-29 | |
AU59780/73A AU485226B2 (en) | 1972-09-02 | 1973-08-29 | Apparatus for reading a record carrier on which information is recorded inat least one track |
JP9675473A JPS5330453B2 (fr) | 1972-09-02 | 1973-08-30 | |
IT5223973A IT990420B (it) | 1972-09-02 | 1973-08-30 | Dispositivo per la lettura di informazione da un supporto di registrazione a forma di disco |
DK477973A DK135558B (da) | 1972-09-02 | 1973-08-30 | Apparat til aflæsning af en registreringsbærer, hvorpå information er registreret i mindst et spor. |
CH1246973A CH569327A5 (fr) | 1972-09-02 | 1973-08-30 | |
AT756073A AT328002B (de) | 1972-09-02 | 1973-08-30 | Vorrichtung zum auslesen von informationen, z.b. bild- und/oder toninformationen, die auf einem aufzeichnungstrager in mindestens einer spur aufgezeichnet sind |
YU231773A YU39711B (en) | 1972-09-02 | 1973-08-30 | Apparatus for reading a record carrier comprising a trackwise arranged optically readable information structure |
PL16493373A PL86219B1 (fr) | 1972-09-02 | 1973-08-30 | |
CA180,004A CA1005907A (en) | 1972-09-02 | 1973-08-30 | Apparatus for reading a record carrier on which information is recorded in at least one track |
SE7311792A SE394154B (sv) | 1972-09-02 | 1973-08-30 | Apparat for avlesning av en uppteckningsberare pa vilken information er lagrad i en sparvis anordnad optisk informationsstruktur. |
CS736097A CS219309B2 (en) | 1972-09-05 | 1973-08-31 | Apparatus for scanning the recording carrier |
ES418390A ES418390A1 (es) | 1972-09-02 | 1973-08-31 | Aparato para leer un portador de registro. |
GB4111173A GB1441175A (en) | 1972-09-02 | 1973-08-31 | Information record and reading apparatus therefor |
BE135211A BE804328A (fr) | 1972-09-02 | 1973-08-31 | Dispositif pour la lecture d'un porte-enregistrement sur lequel l'information est enregistree dans au moins une piste |
US05/536,161 US3956582A (en) | 1972-09-05 | 1974-12-24 | Apparatus for reading a record carrier on which information is recorded in at least one track |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7212044A NL7212044A (fr) | 1972-09-05 | 1972-09-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7212044A true NL7212044A (fr) | 1974-03-07 |
Family
ID=19816870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7212044A NL7212044A (fr) | 1972-09-02 | 1972-09-05 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3956582A (fr) |
CS (1) | CS219309B2 (fr) |
NL (1) | NL7212044A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5175725A (en) * | 1972-08-25 | 1992-12-29 | Thomson-Csf | Optical disk arrangement with closed contours whose entire extent represents information |
FR2197495A5 (fr) * | 1972-08-25 | 1974-03-22 | Thomson Csf | |
US5182743A (en) * | 1972-08-25 | 1993-01-26 | Thomson-Csf | Optical disk arrangement with diffractive tracks allowing positional control |
NL174591C (nl) * | 1973-02-09 | 1984-07-02 | Philips Nv | Schijfvormig registratiedragerlichaam. |
FR2365854A1 (fr) * | 1976-09-24 | 1978-04-21 | Thomson Brandt | Procede de fabrication d'un support d'information enregistrable et lisible optiquement et support obtenu par un tel procede |
JPS56116004A (en) * | 1980-02-20 | 1981-09-11 | Olympus Optical Co Ltd | Lens for video disk |
US4349901A (en) * | 1980-06-20 | 1982-09-14 | Eastman Kodak Company | Apparatus and method for reading optical discs |
DE3234949C1 (de) * | 1982-09-21 | 1983-12-15 | Precitronic Gesellschaft für Feinmechanik und Electronic mbH, 2000 Hamburg | Einrichtung zur Schussgefechtssimulation zwischen Gefechtsteilnehmern |
US5247510A (en) * | 1990-06-29 | 1993-09-21 | Digital Equipment Corporation | Increasing storage density of optical data media by detecting a selected portion of a light spot image corresponding to a single domain |
US5995481A (en) * | 1995-09-12 | 1999-11-30 | Wea Manufacturing Inc. | Light-readable recording disc utilizing half-wavelength pits or bumps and system for reading such discs |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3534166A (en) * | 1967-08-04 | 1970-10-13 | Zenith Radio Corp | Television picture recording and replay system |
DE1613990A1 (de) * | 1968-03-01 | 1970-08-20 | Bosch Gmbh Robert | Einrichtung zur Spurfuehrung bei einem Lichtfleck-Abtastgeraet |
US3688025A (en) * | 1970-10-27 | 1972-08-29 | Rca Corp | Recorder and playback apparatus for pulse width modulated record |
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1972
- 1972-09-05 NL NL7212044A patent/NL7212044A/xx unknown
-
1973
- 1973-08-31 CS CS736097A patent/CS219309B2/cs unknown
-
1974
- 1974-12-24 US US05/536,161 patent/US3956582A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CS219309B2 (en) | 1983-03-25 |
US3956582A (en) | 1976-05-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BN | A decision not to publish the application has become irrevocable |