NL125359C - - Google Patents
Info
- Publication number
- NL125359C NL125359C NL125359DA NL125359C NL 125359 C NL125359 C NL 125359C NL 125359D A NL125359D A NL 125359DA NL 125359 C NL125359 C NL 125359C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/038—Centering or locking of a plurality of discs in a single cartridge
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/22—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records
- G11B17/26—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records the magazine having a cylindrical shape with vertical axis
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/08—Track changing or selecting during transducing operation
- G11B21/081—Access to indexed tracks or parts of continuous track
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
- G11B5/553—Details
- G11B5/5547—"Seek" control and circuits therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head 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 on disks
- G11B5/59605—Circuits
- G11B5/59611—Detection or processing of peak/envelop signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Moving Of Heads (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US584705A US3007144A (en) | 1956-05-14 | 1956-05-14 | Data storage apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
NL125359C true NL125359C (de) |
Family
ID=24338473
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL217213D NL217213A (de) | 1956-05-14 | ||
NL125359D NL125359C (de) | 1956-05-14 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL217213D NL217213A (de) | 1956-05-14 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3007144A (de) |
BE (1) | BE557460A (de) |
DE (1) | DE1074887B (de) |
FR (2) | FR1179326A (de) |
GB (1) | GB823748A (de) |
NL (2) | NL125359C (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1178467B (de) * | 1957-06-24 | 1964-09-24 | Teleregister Corp | Magnetplattenspeicher |
US3187316A (en) * | 1958-11-13 | 1965-06-01 | Ex Cell O Corp | Magnetic data storage device utilizing discs with predetermined frequency zones |
US3156906A (en) * | 1959-10-16 | 1964-11-10 | Ibm | Transducer positioning mechanism in a random access memory system |
NL268455A (de) * | 1960-08-26 | |||
US3226700A (en) * | 1960-11-22 | 1965-12-28 | Miller Armin | Data storage system |
US3212074A (en) * | 1960-12-15 | 1965-10-12 | Sperry Rand Corp | Magnetic disc file positional information apparatus |
US3199092A (en) * | 1960-12-30 | 1965-08-03 | Burroughs Corp | Electromagnetic transducer apparatus |
US3175205A (en) * | 1961-06-13 | 1965-03-23 | Ibm | Data tracking system |
BE622201A (de) * | 1961-09-06 | |||
US3185972A (en) * | 1961-10-10 | 1965-05-25 | Ibm | Transducer positioning system utilizing record with interspersed data and positioning information |
NL130690C (de) * | 1961-12-07 | |||
US3126535A (en) * | 1961-12-27 | 1964-03-24 | Transducer positioning system | |
US3246307A (en) * | 1962-05-22 | 1966-04-12 | Ibm | Servo positioning system for magnetic disk file |
US3292168A (en) * | 1962-08-13 | 1966-12-13 | Sperry Rand Corp | High resolution, head positioner system |
US3298008A (en) * | 1963-04-17 | 1967-01-10 | Anelex Corp | Coarse and fine head positioning apparatus for random access disc memory system |
US4122499A (en) * | 1966-12-06 | 1978-10-24 | Matsushita Electric Industrial Co., Ltd. | Video signal recording and reproducing system for special motion effects |
US3637928A (en) * | 1968-03-18 | 1972-01-25 | Ampex | Method and apparatus for recording and reproducing television or other broadband signals with an altered time base effect |
US4553185A (en) * | 1968-03-18 | 1985-11-12 | Ampex Corporation | Method and apparatus for recording and reproducing television or other broad band signals with an altered time base effect |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2537770A (en) * | 1949-02-17 | 1951-01-09 | Gen Electric | Programming control system |
US2690913A (en) * | 1951-03-14 | 1954-10-05 | Rabinow Jacob | Magnetic memory device |
US2733425A (en) * | 1951-09-24 | 1956-01-31 | Servo control means for data storage device | |
US2811709A (en) * | 1954-01-12 | 1957-10-29 | Teleregister Corp | Multiple-head scanning device for magnetic disk records |
-
0
- NL NL217213D patent/NL217213A/xx unknown
- FR FR179326D patent/FR179326A/fr active Active
- NL NL125359D patent/NL125359C/xx active
- DE DENDAT1074887D patent/DE1074887B/de active Pending
- BE BE557460D patent/BE557460A/xx unknown
-
1956
- 1956-05-14 US US584705A patent/US3007144A/en not_active Expired - Lifetime
-
1957
- 1957-05-13 FR FR1179326D patent/FR1179326A/fr not_active Expired
- 1957-05-13 GB GB15129/57A patent/GB823748A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR179326A (de) | |
FR1179326A (fr) | 1959-05-22 |
BE557460A (de) | |
US3007144A (en) | 1961-10-31 |
GB823748A (en) | 1959-11-18 |
NL217213A (de) | |
DE1074887B (de) | 1960-02-04 |