IT1018743B - Impianto laser di lettura e suppor to di informazione audio e video per esso - Google Patents
Impianto laser di lettura e suppor to di informazione audio e video per essoInfo
- Publication number
- IT1018743B IT1018743B IT52320/74A IT5232074A IT1018743B IT 1018743 B IT1018743 B IT 1018743B IT 52320/74 A IT52320/74 A IT 52320/74A IT 5232074 A IT5232074 A IT 5232074A IT 1018743 B IT1018743 B IT 1018743B
- Authority
- IT
- Italy
- Prior art keywords
- audio
- video information
- reading system
- information support
- laser reading
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
-
- 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
-
- 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
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/7605—Television signal recording on discs or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8665773A JPS5429082B2 (nl) | 1973-07-31 | 1973-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1018743B true IT1018743B (it) | 1977-10-20 |
Family
ID=13893094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT52320/74A IT1018743B (it) | 1973-07-31 | 1974-07-29 | Impianto laser di lettura e suppor to di informazione audio e video per esso |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5429082B2 (nl) |
DE (1) | DE2436395C3 (nl) |
FR (1) | FR2239722B1 (nl) |
GB (1) | GB1472933A (nl) |
IT (1) | IT1018743B (nl) |
NL (1) | NL7409624A (nl) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS598892B2 (ja) * | 1975-06-19 | 1984-02-28 | ソニー株式会社 | 信号の光学的記録再生装置 |
US4097895A (en) * | 1976-03-19 | 1978-06-27 | Rca Corporation | Multilayer optical record |
DE2615605C2 (de) * | 1976-04-09 | 1978-06-01 | Polygram Gmbh, 2000 Hamburg | Scheibenförmiger Informationsträger und Verfahren zu seiner Herstellung |
NL176315C (nl) * | 1976-05-12 | 1985-03-18 | Philips Nv | Optische aftastinrichting. |
JPS5312227A (en) * | 1976-07-20 | 1978-02-03 | Matsushita Electric Ind Co Ltd | Signal processing system |
NL7703123A (nl) * | 1977-03-23 | 1978-09-26 | Philips Nv | Inrichting voor het uitlezen van een optische stralingsreflekterende registratiedrager. |
JPS57198733U (nl) * | 1981-06-15 | 1982-12-17 | ||
JPS5848033U (ja) * | 1981-09-22 | 1983-03-31 | 萬世工業株式会社 | レンズ駆動装置 |
FR2525376B1 (fr) * | 1982-04-19 | 1988-02-26 | Lewiner Jacques | Perfectionnements aux dispositifs de lecture des quantites de charges electriques portees par une feuille dielectrique |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3381086A (en) * | 1962-08-16 | 1968-04-30 | Minnesota Mining & Mfg | Reproduction of television signals from photographic disc recordings |
NL299459A (nl) * | 1962-10-19 | |||
DE1277344B (de) * | 1964-07-06 | 1968-09-12 | Siemens Ag | Verfahren zur Informationsspeicherung und Gedaechtnisspeicher zur Durchfuehrung des Verfahrens |
US3496540A (en) * | 1965-04-30 | 1970-02-17 | Singer General Precision | Registration means for character recognition apparatus |
US3452163A (en) * | 1965-12-08 | 1969-06-24 | Phillip B Dahlen | Optical phonograph apparatus with polarized light |
DE1574687B2 (de) * | 1968-02-06 | 1978-08-10 | Robert Bosch Gmbh, 7000 Stuttgart | Aufzeichnungsträger für Informationen |
US3530258A (en) * | 1968-06-28 | 1970-09-22 | Mca Technology Inc | Video signal transducer having servo controlled flexible fiber optic track centering |
JPS5120888A (en) * | 1974-08-12 | 1976-02-19 | Babcock Hitachi Kk | Gokuteionyo ae sensa |
-
1973
- 1973-07-31 JP JP8665773A patent/JPS5429082B2/ja not_active Expired
-
1974
- 1974-07-16 NL NL7409624A patent/NL7409624A/nl not_active Application Discontinuation
- 1974-07-25 GB GB3280474A patent/GB1472933A/en not_active Expired
- 1974-07-29 DE DE2436395A patent/DE2436395C3/de not_active Expired
- 1974-07-29 IT IT52320/74A patent/IT1018743B/it active
- 1974-07-30 FR FR7426495A patent/FR2239722B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1472933A (en) | 1977-05-11 |
DE2436395C3 (de) | 1984-09-27 |
DE2436395B2 (de) | 1976-07-01 |
DE2436395A1 (de) | 1975-02-27 |
JPS5052924A (nl) | 1975-05-10 |
NL7409624A (nl) | 1975-02-04 |
FR2239722A1 (nl) | 1975-02-28 |
JPS5429082B2 (nl) | 1979-09-20 |
FR2239722B1 (nl) | 1977-07-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE407866B (sv) | Skiva for inspelad videoinformation | |
FR2313716A1 (fr) | Systeme optique de lecture par reflexion d'un support d'information | |
NL7410909A (nl) | Lees/schrijf-stelsel voor magnetische vast- legging met hoge dichtheid. | |
NL7605719A (nl) | Apparaat voor opname en/of weergave van informa- tiesignalen. | |
NL7410324A (nl) | Apparaat voor opname en/of weergave van perio- dieke informatiesignalen. | |
IT980299B (it) | Sistema per la riproduzione di informazioni | |
IT1018743B (it) | Impianto laser di lettura e suppor to di informazione audio e video per esso | |
NL7707525A (nl) | Inrichting voor opname en/of weergave van informatiesignalen zoals videosignalen. | |
IT1044696B (it) | Sistema di lettura ottica per l esplorazione di video dischi | |
CH538236A (fr) | Support d'enregistrement monochrome portant des informations représentant des scènes animées et non animées | |
AT354753B (de) | Informationswiedergabesystem | |
NL7410233A (nl) | Werkwijze alsmede voorwerpen voor het registreren van informatie. | |
IT1015495B (it) | Sistema e metodo di immagazzinamen to di informazioni | |
NL7614450A (nl) | Roteerbaar registratiemedium voor opname en weergave van signaalinformatie. | |
CA938721A (en) | Information storage system employing optical entry and removal of information | |
NL7508076A (nl) | Stelsel voor het registreren en/of aftasten van informatie. | |
NL182845C (nl) | Apparaat voor het opnemen en/of weergeven van informatie. | |
NL7411985A (nl) | Inrichting voor opname en/of weergave van videosignalen. | |
NL7415427A (nl) | Decodeerinrichting voor weergave van vier afzonderlijke informatiesignalen. | |
NL7409427A (nl) | Apparaat voor opname en/of weergave van ten- minste videosignaalinformatie. | |
IT1073015B (it) | Apparecchio per la lettura di documenti contenenti informazioni memoriazzte con sistema colografico | |
AT324727B (de) | System zur wiedergabe von signalen | |
AU454032B2 (en) | System for optically reproducing video information | |
IT1003897B (it) | Dispositivo per la memorizzazione olografica di informazioni | |
NL7501403A (nl) | Stelsel voor opname en/of weergave van video- len. |