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1. WO1996028813 - RECORDING/REPRODUCING DEVICE

Publication Number WO/1996/028813
Publication Date 19.09.1996
International Application No. PCT/JP1996/000586
International Filing Date 08.03.1996
IPC
G11B 5/008 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
5Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
008Recording on, or reproducing or erasing from, magnetic tapes or wires
G11B 5/53 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
5Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
48Disposition or mounting of heads relative to record carriers
52with simultaneous movement of head and record carrier, e.g. rotation of head
53Disposition or mounting of heads on rotating support
G11B 15/12 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
15Driving, 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
02Control of operating function, e.g. switching from recording to reproducing
12Masking of heads; Selecting or switching of heads between operative and inoperative functions; Masking of beams, e.g. of light beams
G11B 15/18 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
15Driving, 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
18Driving; Starting; Stopping; Arrangements for control or regulation thereof
G11B 20/10 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
10Digital recording or reproducing
G11B 27/032 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
27Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
02Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
031Electronic editing of digitised analogue information signals, e.g. audio or video signals
032on tapes
CPC
G11B 15/125
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
15Driving, 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
02Control of operating function, e.g. switching from recording to reproducing
12Masking of heads; ; circuits for; Selecting or switching of heads between operative and inoperative functions ; or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
125conditioned by the operating function of the apparatus
G11B 15/1875
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
15Driving, 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
18Driving; Starting; Stopping; Arrangements for control or regulation thereof
1808Driving of both record carrier and head
1875adaptations for special effects or editing
G11B 20/10
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
10Digital recording or reproducing
G11B 2220/90
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
2220Record carriers by type
90Tape-like record carriers
G11B 27/032
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
27Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
02Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
031Electronic editing of digitised analogue information signals, e.g. audio or video signals
032on tapes
G11B 27/036
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
27Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
02Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
031Electronic editing of digitised analogue information signals, e.g. audio or video signals
036Insert-editing
Applicants
  • SONY CORPORATION [JP]/[JP] (AllExceptUS)
  • NAKAMURA, Kenji [JP]/[JP] (UsOnly)
  • TSUTSUMI, Isao [JP]/[JP] (UsOnly)
Inventors
  • NAKAMURA, Kenji
  • TSUTSUMI, Isao
Agents
  • KOIKE, Akira
Priority Data
7/5136310.03.1995JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) RECORDING/REPRODUCING DEVICE
(FR) APPAREIL D'ENREGISTREMENT/LECTURE
Abstract
(EN)
A digital VTR in which recording heads (51a and 51b), reproducing heads (52a and 52b), and erasing head (53) are arranged on a rotary drum (50) so that the recording heads (51a and 51b) and the erasing head (53) do not scan tracks while the reproducing heads (52a and 52b) scan a tracking area (2) and a sound area (3). When the sound signals of, say, channel number 1 are insert-recorded, a reproduced signal processing circuit (67) separates the sound signals of channel number 2 from interleaved sound signals reproduced by the reproducing heads (52a and 52b) and feeds the sound signals to a recording signal processing circuit (46) through a switch (45b). The circuit (46) interleaves the sound signals of channel number 2 and the sound signals of channel number 1 separately fed through a terminal (42a) and records the signals in the sound area (3) by means of the recording heads (51a and 51b). Therefore, no crosstalk of recorded signals and erasing currents occurs in the reproduced signals corresponding to the sound signals, ensuring the insert-record of ths sound signals. The S/N ratio of the reproduced signals does not lower due to crosstalk of the recorded signals and erasing currents and the sound signals of part of a plurality of channels can be insert-recorded.
(FR)
La présente invention concerne un magnétoscope enregistreur à bande dans lequel les têtes d'enregistrement (51a, 51b), les têtes de lecture (52a, 52b) et la tête d'effacement (53) sont disposées sur un tambour rotatif (50) de façon que les têtes d'enregistrement (51a, 51b) et la tête d'effacement (53) ne balayent pas les pistes pendant que les têtes de lecture (52a, 52b) balayent la zone de pistes (2) et la zone son (3). Lorsque les signaux acoustiques, par exemple du canal N° 1, sont enregistrés par insertion, un circuit de traitement du signal reproduit (67) assure la séparation entre, d'une part, les signaux acoustiques du canal N° 2 et, d'autre part, les signaux acoustiques imbriqués, reproduits par les têtes de lecture (52a, 52b). Ce circuit (67) utilise un commutateur (45b) pour acheminer les signaux acoustiques à un circuit de traitement du signal d'enregistrement (46). Ce circuit (46) assure, d'une part, l'imbrication des signaux acoustiques du canal N° 2 et des signaux acoustiques du canal N° 1 acheminés séparément depuis un connecteur (42a) et, d'autre part, l'enregistrement des signaux dans la zone son (3) via les têtes d'enregistrement (51a, 51b). Les signaux reproduits correspondant aux signaux acoustiques ne présentent ainsi aucune diaphonie imputable aux signaux enregistrés et ne subissent aucun courant d'effacement, ce qui permet l'enregistrement par insertion de signaux acoustiques. Le rapport signal/bruit des signaux reproduits ne diminue pas du fait d'une diaphonie imputable aux signaux enregistrés et aux courants d'effacement, ce qui fait que les signaux acoustiques d'une partie d'une pluralité de canaux peuvent être enregistrés par insertion.
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