Matches 101 - 150 out of 380 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
5481414 Magnetic recording and reproducing apparatus including a track scanning device for causing a single magnetic head to scan at least two tracks during a period of time corresponding to one cycle of information to be continuously recorded on a magnetic tape  
A magnetic recording and reproducing apparatus capable of recording video, audio and other information on a magnetic tape by, for example, the helical scanning method. A rotary head is rotated at...
5473478 Rotary head type magnetic recording/reproducing apparatus for designating video/audio signals in accordance with a predetermined distribution pattern  
A rotary head type magnetic recording/playback apparatus for recording a video signal and an audio signal on multiple helical tracks formed on a magnetic tape and reproducing the video signal and...
5465181 Apparatus for recording and reproducing a digital/video signal having a reduced number of processing channels  
A total of eight magnetic heads are attached to a rotary drum in a manner such that the magnetic heads of four channels are spaced apart from the other magnetic heads of four channels by an...
5465179 Multichannel recording and/or reproducing apparatus  
In a magnetic recording and/or reproducing apparatus, when the reproduced audio data is processed in the reproduction system and the record system and is re-recorded in every cycle of N times the...
5457584 Rotary head type recording and reproducing apparatus  
A recording and reproducing apparatus is arranged to reproduce an information signal from a recording medium on which the information signal is recorded, to detect a recorded position of the...
5457579 Apparatus for recording each editing unit of video and audio signals in an isolated area on a recording medium  
A video and audio signal recording apparatus for recording video and audio signals on parallel tracks formed on a recording medium, includes: a divider for dividing a video signal into video signal...
5446601 Read/write circuit for minimizing recovery time  
To provide a R/W circuit in which the output of an AGC is not shifted even if the output of a R/W amplifier irregularly varies during a transition time so that the detector output is not delayed....
5444575 Method for recording digital data using a set of heads including a pair of co-located heads to record data at a rate lower than the full recording rate possible using the set of heads  
Method for increasing the recording time of a digital video tape recorder ("VTR") and for supporting multiple normal play modes of digital VTR operation, e.g., a standard play mode of operation and...
5442495 Alignment tape for magnetic recording and playback devices and device for producing the same  
An alignment tape for magnetic recording and playback devices contains recorded tracks useful for aligning the tape path on a rotating drum. The recorded tracks are spaced apart a sufficient...
5434723 Information data recording/reproducing apparatus  
An information data recording/reproducing apparatus where input information data is divided into sectors and distributed to be recorded on a magnetic tape by a plurality of magnetic heads. In a...
5434720 Magnetic recording and reproduction apparatus with plural heads  
A rotary scanning-type magnetic recording and reproduction apparatus comprises a plurality of magnetic heads installed on a rotary drum, and being in contact with a magnetic tape running on the...
5432659 Magnetic disk unit having a plurality of magnetic heads  
In a magnetic disk unit, a magnetic head to be activated is switched from a first magnetic head to a second magnetic head in accordance with an instruction supplied from a host system in a state...
5432655 Multiple channel magnetic recording and reproducing apparatus  
A multiple channel magnetic recording and reproducing apparatus records data on oblique tracks on a tape by a leading head and trailing head mounted on a rotating drum. First and second pilot areas...
5432648 Magnetic recording and reproducing unit with selection of reproduced image signals  
The present invention provides a magnetic recording and reproducing unit of a helical scan type having a slow speed tape running mode in which the speed of running a magnetic tape is slower than...
5430579 Apparatus for digitally recording analog video signals in ordinary and long mode  
A digital video recording system for digitizing analog video signals and recording the digital signals on video tape and for reading digital video signals from video tape and producing an analog...
5428486 Rotary head type recording and reproducing apparatus having postrecording mode  
An information recording and reproducing apparatus of the rotary head type which is simple in construction and allows, when record data to be re-record are prepared, only the prepared record data...
5418653 Magnetic reproducing apparatus and magnetic recording and reproducing apparatus with editing function  
A recording apparatus of the present invention includes selective guard adding means for predicting, at the time of editing, positions of adjacency of new tracks to previously recorded tracks...
5412517 Magnetic tape recording/playback device with playback monitoring  
A recording/playback device for a magnetic tape includes a rotary drum about which the magnetic tape is wrapped obliquely, two recording heads arranged within the rotary drum at an angular distance...
5412520 Tracking control which avoids lock-up for rotary head reproducing apparatus and which senses whether a trucking control signal is absent for a predetermined time  
In rotary head reproducing apparatus of the type having heads which scan successive tracks on a record medium that is movable at a controllable speed, wherein such tracks contain a pattern of...
5410435 Information signal recording apparatus for recording tracking signals in nonadjacent tracking areas of oblique tracks formed on magnetic recording medium  
A magnetic tape recording apparatus having an ordinary recording mode and an editing mode in which an information signal is recorded additionally to information already stored in previously formed...
5406424 Simultaneous monitoring data tape recorder having a data compressor/expander  
A data tape recorder having a data compressor/expander for recording digital information on a magnetic recording tape and for reproducing it therefrom. In a digital audio tape recorder having a...
5406425 ISO/IEC compatible digital audio tape digital data storage system with increased data transfer rate  
The present invention provides a complete digital data storage (DDS) magnetic tape system for utilization with a host unit. The invention comprises a host device interface for interfacing the host...
5402277 Audio signal reproducing apparatus  
An apparatus for reproducing from a recording medium a frequency-modulated audio signal which has its carrier level in a specific period determined according to the kind of information and for...
5398138 Video tape for recording and reproducing plural different independent video signals simultaneously  
A video tape recorder in which video and audio signals of a plurality of channels are simultaneously recorded onto the same tape by using the same tape running mechanism and the signals of a...
5392164 Dubbing system  
A dubbing system for duplicating a tape-shaped recording medium on which an amount of information signals for a given period of time are recorded in each of many tracks having different azimuth...
5388007 Apparatus for recording and reproducing signals which provides guard bands between sets of recording tracks to improve editing  
A recording and reproducing apparatus includes two recording heads, two re-recording heads and one erasing head. The two recording heads are utilized to record directly adjacent recording tracks...
5384670 Digital data apparatus for providing spatial multiplexing and demultiplexing of compressed data to be recorded and reproduced  
Spatial demultiplexing of data (e.g. video data) is employed in a digital recorder comprising four heads (A, B, C, D) organized as 2 groups (A/C; B/D) each of 2 heads, whereby a field of data...
5381277 Method and apparatus for decreasing a transition time of a read head from a write mode to a read mode  
A device for switching from the write mode to the read mode includes a read head connected between a first and a second input terminal of the differential amplifier, the second input terminal being...
5381280 Magnetic recording and reproducing apparatus for recording and reproducing in both analog and digital modes  
A magnetic recording and reproducing apparatus for selectively recording and reproducing information on either an analog signal magnetic tape or a digital signal magnetic tape. A head drum is...
5379152 Data recorder which partitions the recording medium into data information and table of contents information  
A data recorder includes a recording unit for recording data having a predetermined data format and a frame address in a recording medium in units of frames each consisting of predetermined amount...
5369534 Recording and reproducing apparatus including recording/reproducing head switchably connected to common rotary transformer  
A recording and reproducing apparatus includes a rotatable rotating assembly and a fixed assembly disposed opposite thereto. The apparatus also includes a plurality of recording and reproducing...
5361179 Data recording and/or reproducing apparatus and method  
A data recording and/or reproducing apparatus records and/or reproduces data and data management information corresponding to the data on helical recording tracks. It can be feasible to detect the...
5361178 Digital data recording apparatus  
A digital data recording apparatus includes a plurality of encoders for subjecting digital signals to a prescribed signal processing so as to supply a plurality of digital data signals, a memory...
5359471 Recording and/or reproducing apparatus using rotary heads according to travelling speeds of a recording medium  
In a rotary head type recording and/or reproducing apparatus having an n number (n: an integer at least 3) of rotary heads for recording or reproducing signals on or from a recording medium, when...
5359462 Device for eliminating noises during slow and high speed search operation in a video tape recorder and method therefor  
A device for reproducing a picture without noises in slow and/or high speed search modes of operation and a method therefor. The device records an address indicative of tape position on a control...
5357382 Apparatus and method for automatically controlling adjustment of head switching point by using vertical synchronization signal in VCR  
An apparatus and method for automatically controlling adjustment of a head switching point in a VCR allows for automatic adjustment of the head switching point instead of the conventional manual...
5355262 Magnetic recording apparatus having an adjustable rotary head  
A recording apparatus records a first information signal in a first recording area in a helical track by a rotary head, and optionally records a second information signal in a second recording area...
5345344 System and method for removing noise when switching between heads in a digital video cassette recorder  
Audio playback system and method for a Hi-Fi VCR capable of preventing an occurrence of noise when audio heads are switched. When an azimuth occurs with respect to each arrangement angle of audio...
5345345 Rotary head type magnetic recording/reproducing unit  
According to the invention, there is provided a rotary head type magnetic recording/reproducing unit comprising a drum for receiving in close contact a magnetic tape on its periphery and a pair of...
5341248 Magnetic recording/reproducing apparatus having head structure for selectively recording/reproducing either of two kinds of signals containing different amounts of information  
A magnetic recording/reproducing apparatus is provided which includes a head structure compatible with a long-time play mode in handling either of two kinds of signals containing different amounts...
5335116 Method and apparatus for recording analog video signal in compressed digital format  
A digital video recording system for digitizing analog video signals and recording the digital signals on video tape and for reading digital video signals from video tape and producing an analog...
5315453 Rotating-head video signal recording apparatus  
In an apparatus for recording a video signal having interlaced fields on a recording medium sequentially using a plurality of rotating heads, a rotational phase of a rotating head relative to a...
5311375 Recording head arrangement for video signal recording and/or reproducing device  
A recording head arrangement is disclosed which may be employed in a video signal recording and/or reproducing device in which a video tape is helically wound on a drum carrying recording heads for...
5311377 Driver device of magnetic heads for magnetic record and reproduction  
A driver device for magnetic heads for a magnetic recording and reproduction apparatus. The driver device drives at least one combined head including at least two head members, each head member...
5309290 Apparatus for variably compressing video and audio information within constant data block  
A digital video/audio recording and reproducing apparatus comprising a video signal high-efficiency encoder having a variable reduction rate, an audio signal high-efficiency encoder having a...
5309291 Circuit for compensating the errors occurring when changing the playing back speed of a double azimuth 4-head VTR  
A circuit for compensating the errors occurring when changing the playing back speed of a double azimuth 4-head VTR includes first and second switches for switching data retrieved by four heads and...
5303093 Noise reduction/elimination apparatus for use with rotary head type recording/reproducing apparatus  
A noise reduction apparatus wherein a sampled digital data is compared with a first threshold value (t) to average the digital data during a period while the level of low frequency components...
5301070 Information signal reproducing apparatus having three reproducing modes  
An apparatus in which an information signal recorded on a tape-like recording medium formed with a number of tracks in accordance with a first or second recording mode in which the number of...
5293277 Digital signal magnetic recording apparatus with time-division multiplex signal transmission to a rotary cylinder  
In a digital signal magnetic recording/reproducing apparatus, input digital signals of plural channels and a recording current control signal expressing recording current values corresponding to...
5291472 Information recording and reproduction methods using oscillation medium or transducer  
High density recording systems and methods are disclosed which employ a radiation beam to form spot-like recordings in record members such as discs, tapes and cards. The angle, offset or...
Matches 101 - 150 out of 380 < 1 2 3 4 5 6 7 8 >