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4343022 |
Apparatus for producing a phase-synchronized reference signal in a video signal reproducing system
Apparatus is disclosed for use in a video signal reproducing system of the type having first and second rotary reproducing transducers for reproducing video and vertical synchronizing signals from...
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4342053 |
Video signal, speed-change reproducing system
A video signal, speed-change reproducing system has a tape on which a video signal has been recorded. The tracks are disposed contiguously and obliquely relative to the tape longitudinal direction....
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4338631 |
Video signal, speed-change reproducing system
A video signal, speed-change reproducing system uses a tape on which a video signal has been recorded. The recorded tracks are disposed contiguously and obliquely relative to the longitudinal tape...
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4328518 |
Video signal, speed-change reproducing system
A video signal speed-change reproducing system reproduces video signals which are recorded by alternately a pair of rotary recording heads mounted on diametrically opposite sides of a rotating...
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4303950 |
Helical scan video tape recorder for recording video and audio signals on contiguous tracks
In a magnetic recording and reproducing system of the type wherein a plurality of rotating magnetic heads record the video signal on a magnetic tape as tracks which are inclined at an angle...
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4293880 |
Apparatus for recording and reproducing video signals at selectable different tape traveling speeds from a plurality of pairs of video heads
A video signal recording and reproducing apparatus comprises at least two pairs of video heads respectively mounted at different positions on diametrically opposite sides of a rotary member...
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4287533 |
Apparatus for recording and playing back radar video with conventional video recorder
Apparatus for recording and play back of radar video employs a conventional TV video recorder. A multiplexer accepts radar timing signals, synchro data definitive of azimuth, a 60 Hz. reference as...
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4274120 |
Information recording methods and apparatus
Information is recorded in several parallel tracks with a recording device on a recording tape having edges parallel to such tracks. The tape is curved between the parallel edges. The recording...
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4214259 |
Color video tape recorder/reproducer with chrome corrector
An EIAJ-2, video tape recorder and reproducer machine having broadcast quality response characteristics achieved through the use of a wide band direct type FM modulator for encoding a video signal...
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4212042 |
Device for recovering video information from magnetic tape
A device for recovering video information from magnetic tape, which comprises a magnetic head assembly arranged within a current-carrying casing in a manner allowing rotation of the magnetic heads...
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4203138 |
Video signal recording system with delayed vertical sync
A video recording system for use in recording video information with a helical scan recorder coupled to a portable camera includes a delayed vertical sync generator receiving video information...
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4197562 |
Method of slow-motion play back of video signals and video tape recorder for same
Two auxiliary heads are provided in addition to the two main heads for a helical scan video signal tape recorder. The vertical and horizontal positions of the auxiliary heads are determined so as...
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4139871 |
Eight-head magnetic video tape recording and reproducing apparatus with rotary transformer
In a magnetic video tape recording and reproducing apparatus (VTR) having rotary magnetic video heads rotating in a direction substantially perpendicular to the direction of tape travel, the width...
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4120007 |
Head switching control apparatus for use in a video signal processing system
Head switching control apparatus for use in video signal processing apparatus of the type comprised of plural rotary transducer heads which scan successive tracks across a recording medium, each...
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4071856 |
Servo-control system for signal recording and/or reproducing apparatus
In an apparatus for recording and/or reproducing information signals, such as, video signals, on a magnetic tape or other record medium by means of rotary recording and/or reproducing heads which...
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4040101 |
System for extending the playing time of video cassettes
A system is provided for extending the playing time of standardized video cassettes. The system utilizes a rotating head drum having mounted thereon a first set of video heads displaced 180° with...
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4021852 |
Signal defect compensation
A system is provided for compensating for signal defects such as dropouts in recorded television signals. A recovered video signal is delayed for a period of substantially one scanning line, and...
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4021857 |
Magnetic recording system for reproducing successive still pictures
A magnetic recording system comprising a rotary magnetic head drum assembly including a plurality of rotary magnetic heads, a magnetic tape drive means for moving a magnetic tape passed round said...
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4011587 |
Rotary head magnetic recorder for use with a specific record member
An elongated magnetic tape has a pair of longitudinally extending servo track areas, one of which is closer to the longitudinal center of the tape than the other. The lateral space intermediate the...
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3994019 |
VTR signal discriminating apparatus in a television receiver
A VTR signal discriminating apparatus for a television receiver generates discriminating signals when the receiver having this apparatus is receiving signals e.g. from a home use video tape...
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3956767 |
Signal recording and/or reproducing apparatus with phase shifting to reduce signal amplitude at overlap points
A signal recording and/or reproducing apparatus having a plurality of signal recording means for successively recording an input signal on a recording medium and/or a plurality of signal...
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3949419 |
Magnetic recording apparatus
A magnetic recording apparatus comprised of a plurality of magnetic recording heads for recording an input signal on a record medium, the recording heads are selectively supplied with a bias...
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3942042 |
Pulse waveform generator circuit
A pulse waveform generator circuit which is suitable for integrated circuit construction is disclosed. The invention functions as a square-wave generator for switching the outputs of tape scanning...
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3911486 |
Commutating rotary transformer
Commutating rotary transformer having a primary section which rotates with the head assembly and a stationary secondary section which is mounted adjacent to the primary section. The primary section...
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3862355 |
HELICAL SCAN WIDE BAND TAPE RECORDER APPARATUS AND METHOD
A format particularly useful in a high quality video tape recorder for use in broadcast applications and other wide band signal applications such as data recording. A single mechanical structure...
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3838451 |
MAGNETIC TAPE REPRODUCING SYSTEM HAVING SECONDARY SHORTING OF A ROTARY TRANSFORMER FOR HEAD SWITCHING
A magnetic video tape recorder has a plurality of rotary heads, transistor switching circuits are connected to secondary windings of rotary transformers which are coupled to each of the rotary...
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3824621 |
MULTI-CHANNEL TAPE PLAYING DEVICE
A device for playing the voices recorded in the tapes in such a form as to assure a perfect compatibility between the two channel stereo program tape and the four channel stereo program tape,...
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3823414 |
MAGNETIC RECORD APPARATUS WITH SWITCHING MEANS TO SELECT TAPES AND INTERRUPT FOR ANNOUNCEMENTS
In magnetic record apparatus for sound distribution systems it is desirable to have automatic means for switching from one tape to the next at the end of each tape program, to select one of a...
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3725605 |
WIDE WEB RECORDER WITH INCREMENTAL TAPE TRANSPORT AND MULTIPLE TRANSVERSALLY SCANNING HEADS
Apparatus for recording or playing back information magnetically recorded on a tape or web having a recording width of five inches or more for the purpose of handling recordings of long duration,...
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3673349 |
ROTARY HEAD ASSEMBLY FOR TAPE TRANSPORT WITH AMPLIFIER CARRIED BY THE ROTOR
An assembly for mounting a number of magnetic heads on a rotor for rotation about a central axis and for electrically connecting the heads to a commutator on the rotor wherein the heads are secured...
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3652788 |
FIELD SKIP MODE VIDEO TAPE RECORDER
A field skip mode video tape recorder wherein a magnetic tape is transported while being slantly wound about half the periphery of two rotary magnetic heads which are connected to two sections of a...
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3651279 |
COMMUTATOR CONTROLLED MAGNETIC RECORDING AND REPRODUCING SYSTEM
A magnetic tape recorder for television video signals uses two sequentially active magnetic heads mounted on a revolving disk. A commutator is arranged to rotate in synchronism with the revolving...
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3621151 |
FREQUENCY SELECTIVE AUDIO LIMITER
A device for limiting the higher frequency energy of an audiofrequency spectrum being delivered to a magnetic tape recording device in which the full spectrum is amplified and the output of the...
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3580992 |
MULTI-HEAD MAGNETIC RECORDING AND REPRODUCING DEVICE FOR VIDEO SIGNALS FEATURING HEAD SWITCHING IN THE RECORD MODE
In a magnetic recording and reproducing device having two rotary magnetic heads for recording and reproducing signals, such as video signals, in skew tracks traced across a magnetic tape by the...
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3553390 |
CIRCUIT ARRANGEMENT FOR SUPPRESSING SWITCH TRANSIENTS IN DEVICES FOR THE MAGNETIC STORAGE OF VIDEO SIGNALS EMPLOYING A PLURALITY OF MAGNETIC HEADS
In a system for magnetically storing video signals segments in transverse tracks on a magnetic tape, and for detecting and reproducing those recorded signals into a continuous signal by angularly...
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3499997 |
SYSTEM FOR CONTROLLING THE LEVELS OF MAGNETICALLY RECORDED AND REPRODUCED SIGNALS IN A VIDEO TAPE RECORDER
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3495047 |
MAGNETIC TAPE MEANS FOR CONTINUOUS RECORDING ALONG A PLURALITY OF TRACKS ON AN ENDLESS TAPE
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3476873 |
METHOD OF AND APPARATUS FOR REPRODUCING SIGNALS RECORDED ON MAGNETIC TAPE WITH HEAD SWITCHING MEANS
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3457557 |
ROTARY TRANSDUCER RECORDING PARALLEL TO THE DIRECTION OF TAPE MOVEMENT
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3445608 |
COMMUTATOR SWITCHING SYSTEM FOR ROTATING HEAD RECORDERS
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3441687 |
CHANNEL MIXING SYSTEM FOR MULTIPLE ROTATING HEADS
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3401231 |
Magnetic playback head switching apparatus
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3392234 |
Broad band magnetic tape system
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3384708 |
Video preproducer switching and signal processing system
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3381098 |
Record bias supply
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3371933 |
Sound producing device
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3361878 |
Signal switching system utilizing magnetic switching for rotating head recorders
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3359375 |
Switching system
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3352977 |
Helical scan transducer apparatus utilizing time sharing head to minimize distortionduring edge changeover
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3346702 |
Electronic switching system utilizing delay means for switching transient elimination
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