FR2423840A1 - Appareil d'enregistrement et de reproduction magnetique - Google Patents
Appareil d'enregistrement et de reproduction magnetiqueInfo
- Publication number
- FR2423840A1 FR2423840A1 FR7908976A FR7908976A FR2423840A1 FR 2423840 A1 FR2423840 A1 FR 2423840A1 FR 7908976 A FR7908976 A FR 7908976A FR 7908976 A FR7908976 A FR 7908976A FR 2423840 A1 FR2423840 A1 FR 2423840A1
- Authority
- FR
- France
- Prior art keywords
- return movement
- magnetic recording
- reproduction device
- intermittent
- movement
- Prior art date
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/783—Adaptations for reproducing at a rate different from the recording rate
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/005—Programmed access in sequence to indexed parts of tracks of operating tapes, by driving or guiding the tape
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/1808—Driving of both record carrier and head
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/56—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function the record carrier having reserve loop, e.g. to minimise inertia during acceleration measuring or control in connection therewith
- G11B15/58—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function the record carrier having reserve loop, e.g. to minimise inertia during acceleration measuring or control in connection therewith with vacuum column
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1816—Testing
- G11B20/182—Testing using test patterns
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/107—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating tapes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
- G11B27/3036—Time code signal
- G11B27/3054—Vertical Interval Time code [VITC]
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/34—Indicating arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/40—Combinations of multiple record carriers
- G11B2220/45—Hierarchical combination of record carriers, e.g. HDD for fast access, optical discs for long term storage or tapes for backup
- G11B2220/455—Hierarchical combination of record carriers, e.g. HDD for fast access, optical discs for long term storage or tapes for backup said record carriers being in one device and being used as primary and secondary/backup media, e.g. HDD-DVD combo device, or as source and target media, e.g. PC and portable player
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/60—Solid state media
- G11B2220/65—Solid state media wherein solid state memory is used for storing indexing information or metadata
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/90—Tape-like record carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/90—Tape-like record carriers
- G11B2220/91—Helical scan format, wherein tracks are slightly tilted with respect to tape direction, e.g. VHS, DAT, DVC, AIT or exabyte
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
a. Appareil d'enregistrement et de reproduction magnétique. b. Appareil caractérisé en ce que le mouvement relatif de retour est effectué à une vitesse prédéterminée, puis est suivi par un mouvement intermittent lorsque la distance relative atteint une valeur prédéterminée, ce moyen de détection par coïncidence détectant la coïncidence pendant le mouvement de retour intermittent et fournissant un signal d'arrêt de mouvement de retour au moyen de commande du mouvement de retour.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4162078A JPS54133820A (en) | 1978-04-08 | 1978-04-08 | Recording regenerator for video signal |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2423840A1 true FR2423840A1 (fr) | 1979-11-16 |
FR2423840B1 FR2423840B1 (fr) | 1986-11-14 |
Family
ID=12613373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7908976A Expired FR2423840B1 (fr) | 1978-04-08 | 1979-04-09 | Appareil d'enregistrement et de reproduction magnetique |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS54133820A (fr) |
CA (1) | CA1139432A (fr) |
DE (1) | DE2914020A1 (fr) |
FR (1) | FR2423840B1 (fr) |
GB (1) | GB2018465B (fr) |
NL (1) | NL7902697A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5989084A (ja) * | 1982-11-12 | 1984-05-23 | Sony Corp | ビデオテ−プ |
US4734792A (en) * | 1984-07-24 | 1988-03-29 | Ricoh Company, Ltd. | Record address data recording apparatus for use with a VTR or the like |
JPH0454014U (fr) * | 1990-09-07 | 1992-05-08 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2073124A5 (fr) * | 1969-12-24 | 1971-09-24 | Ibm | |
FR2123992A5 (fr) * | 1970-08-13 | 1972-09-15 | Ampex | |
FR2209157A1 (fr) * | 1972-12-01 | 1974-06-28 | Ibm | |
GB1425321A (en) * | 1972-05-09 | 1976-02-18 | Selectro Micro Co Ltd | Information retrieval apparatus |
FR2361029A1 (fr) * | 1976-07-31 | 1978-03-03 | Sony Corp | Installation d'edition pour des enregistrements video |
-
1978
- 1978-04-08 JP JP4162078A patent/JPS54133820A/ja active Pending
-
1979
- 1979-04-03 CA CA000324841A patent/CA1139432A/fr not_active Expired
- 1979-04-05 NL NL7902697A patent/NL7902697A/xx not_active Application Discontinuation
- 1979-04-06 GB GB7912123A patent/GB2018465B/en not_active Expired
- 1979-04-06 DE DE19792914020 patent/DE2914020A1/de not_active Withdrawn
- 1979-04-09 FR FR7908976A patent/FR2423840B1/fr not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2073124A5 (fr) * | 1969-12-24 | 1971-09-24 | Ibm | |
FR2123992A5 (fr) * | 1970-08-13 | 1972-09-15 | Ampex | |
GB1425321A (en) * | 1972-05-09 | 1976-02-18 | Selectro Micro Co Ltd | Information retrieval apparatus |
FR2209157A1 (fr) * | 1972-12-01 | 1974-06-28 | Ibm | |
FR2361029A1 (fr) * | 1976-07-31 | 1978-03-03 | Sony Corp | Installation d'edition pour des enregistrements video |
Also Published As
Publication number | Publication date |
---|---|
NL7902697A (nl) | 1979-10-10 |
GB2018465A (en) | 1979-10-17 |
FR2423840B1 (fr) | 1986-11-14 |
GB2018465B (en) | 1982-07-07 |
DE2914020A1 (de) | 1979-10-18 |
CA1139432A (fr) | 1983-01-11 |
JPS54133820A (en) | 1979-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |