JPS4989507A - - Google Patents
Info
- Publication number
- JPS4989507A JPS4989507A JP48001827A JP182773A JPS4989507A JP S4989507 A JPS4989507 A JP S4989507A JP 48001827 A JP48001827 A JP 48001827A JP 182773 A JP182773 A JP 182773A JP S4989507 A JPS4989507 A JP S4989507A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/0857—Arrangements for mechanically moving the whole head
- G11B7/08582—Sled-type positioners
-
- 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
- G11B7/0901—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 track following only
- G11B7/0904—Dithered tracking systems
-
- 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
- G11B7/0914—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 by non-optical methods, e.g. capacitive
-
- 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)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48001827A JPS4989507A (nl) | 1972-12-26 | 1972-12-26 | |
GB5766073A GB1458030A (en) | 1972-12-26 | 1973-12-12 | Superconductors |
NLAANVRAGE7317512,A NL173796C (nl) | 1972-12-26 | 1973-12-20 | Weergeefinrichting voor video- en/of audiosignalen |
FR7346054A FR2211709B1 (nl) | 1972-12-26 | 1973-12-21 | |
DE19732364143 DE2364143C3 (de) | 1972-12-26 | 1973-12-21 | Wiedergabeeinrichtung für Bild- und/ oder Tonsignale |
IT7354569A IT1000784B (it) | 1972-12-26 | 1973-12-21 | Dispositivo di riproduzione per un segnale video o audio |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48001827A JPS4989507A (nl) | 1972-12-26 | 1972-12-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4989507A true JPS4989507A (nl) | 1974-08-27 |
Family
ID=11512380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48001827A Pending JPS4989507A (nl) | 1972-12-26 | 1972-12-26 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4989507A (nl) |
FR (1) | FR2211709B1 (nl) |
GB (1) | GB1458030A (nl) |
IT (1) | IT1000784B (nl) |
NL (1) | NL173796C (nl) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6035342A (ja) * | 1984-04-28 | 1985-02-23 | Victor Co Of Japan Ltd | デイスクプレーヤ |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5925300B2 (ja) * | 1977-12-28 | 1984-06-16 | 日本ビクター株式会社 | 情報信号再生装置のフイ−ド自動追従装置 |
US4623784A (en) * | 1984-12-20 | 1986-11-18 | Drexler Technology Corporation | Laser recording apparatus with off-center lens and error detection |
FR3141978A1 (fr) | 2022-11-10 | 2024-05-17 | Psa Automobiles Sa | Amortisseur hydraulique de suspension de véhicule automobile. |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2838683A (en) * | 1955-07-18 | 1958-06-10 | William D Munro | Curve follower |
US3530258A (en) * | 1968-06-28 | 1970-09-22 | Mca Technology Inc | Video signal transducer having servo controlled flexible fiber optic track centering |
-
1972
- 1972-12-26 JP JP48001827A patent/JPS4989507A/ja active Pending
-
1973
- 1973-12-12 GB GB5766073A patent/GB1458030A/en not_active Expired
- 1973-12-20 NL NLAANVRAGE7317512,A patent/NL173796C/nl not_active IP Right Cessation
- 1973-12-21 FR FR7346054A patent/FR2211709B1/fr not_active Expired
- 1973-12-21 IT IT7354569A patent/IT1000784B/it active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2838683A (en) * | 1955-07-18 | 1958-06-10 | William D Munro | Curve follower |
US3530258A (en) * | 1968-06-28 | 1970-09-22 | Mca Technology Inc | Video signal transducer having servo controlled flexible fiber optic track centering |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6035342A (ja) * | 1984-04-28 | 1985-02-23 | Victor Co Of Japan Ltd | デイスクプレーヤ |
JPH0554182B2 (nl) * | 1984-04-28 | 1993-08-11 | Victor Company Of Japan |
Also Published As
Publication number | Publication date |
---|---|
IT1000784B (it) | 1976-04-10 |
DE2364143B2 (de) | 1976-06-24 |
NL173796B (nl) | 1983-10-03 |
FR2211709A1 (nl) | 1974-07-19 |
NL7317512A (nl) | 1974-06-28 |
NL173796C (nl) | 1984-03-01 |
FR2211709B1 (nl) | 1976-10-08 |
GB1458030A (en) | 1976-12-08 |
DE2364143A1 (de) | 1974-07-11 |