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Class 386/57 - Control track


Subclass of Class 386 - Television signal processing for dynamic recording or reproducing
Definition: Subject matter including a pulse signal recorded in a separate
No. of patents: 45
Last issue date: 06/17/2008


1    
NumberTitleIssue Date
7389035Stream processing system with function for selectively playbacking arbitrary part of ream stream
In a stream processing system, a stream partitioned by a prescribed time interval is extracted as a partial stream, from one or more real streams formed by continuous time series data, according to playback position information or timestamps of the real streams, and...
06/17/2008
7366398Personal video recording with storage space requirement checking
Administration of storage space requirements on personal video recorders (“PVRs”), including recording a show having a storage space requirement, and incrementing the show's storage space requirement. Embodiments include tracking a recording period for the show ...
04/29/2008
7295753Personal video recording with further compression of recorded shows
Automated personal video recording on a personal video recorder, including recording shows, each show having an original compression level; further compressing a recorded show to a new compression level, the new compression level being higher than the recorded show'...
11/13/2007
7248776Personal video recording with recovery of displayed storage space
Automated personal video recording on a multi-user personal video recorder, including recording a first show, displaying at least a portion of the first show, creating displayed space, freeing displayed space, making available free space, and recording at least part...
07/24/2007
7174091Method and apparatus for improving video reproduction quality
A delay detector detects a reproduction delay for a video signal based on a delay notification communicated from a manager to manage the reproduction delay using a state variable. A controller conducts delay recovery control by forcing an image quality improving uni...
02/06/2007
6912688Script editor
An editing system has a video store for storing a video sequence and a text store for storing a sequence of text associated with the video sequence. Displays and are provided for displaying the video and the text on the text display. The current text position is ind...
06/28/2005
6895174Frame number detecting device
An object is to provide a frame number detecting device having a frame counter which is less apt to output a wrong frame number even if a sync signal type was erroneously detected from a DVD etc. and the combination of variation of the sync signal types corresponds ...
05/17/2005
6823128Signal processing apparatus
A signal processing apparatus including a write controller. This write controller specifies a start position of an effective time period of each field, based on an ID signal superimposed over lines 15 to 18 of an odd numbered field video signal and ove...
11/23/2004
6483984Magnetic recording-reproduction device
The invention provides a magnetic recording-reproduction device which comprises a CTL signal recording circuit 5 for recording a control signal, a CTL duty setting circuit 4 for setting a variable duty ratio for the control signal, a CTL signal reproducti...
11/19/2002
6370313Method for recording information on the control track of a storage medium
In one embodiment, data are converted, with the aid of corresponding rules and headers, into data having a fixed block length in such a way that, with the CTL bit definition, no clashes with known data structures of the CTL track such as VISS and VASS occ...
04/09/2002
6236801Video replay automation with manual control track editing
A video recording and playback device has a control track recorder for recording a control track signal including timing edges recorded on a tape or other storage medium together with the video program. A decoder is coupled to the control track signal and...
05/22/2001
6091822Method and apparatus for recording scrambled video audio signals and playing back said video signal, descrambled, within a secure environment
A technique is disclosed for preventing unauthorized playback of scrambled video/audio signals recorded on, for example, a video tape cassette, which technique includes several cooperating processes and apparatus which further prevent the playback of reco...
07/18/2000
6011894Video recording and reproducing apparatus for recording a video signal and an indexing signal
A recording and reproducing apparatus is disclosed in which video signal and indexing signal are separately recorded in video signal areas and subcode areas, respectively, of diagonal tracks formed on a tape by a rotating head. The apparatus has a tape dr...
01/04/2000
5970204Method and apparatus for recording time code data
An information signal is recorded on a recording medium along tracks on the recording medium. Time code data is added to the information signal before the information signal is recorded on the recording medium. A data piece is provided in the time code da...
10/19/1999
5915065Magnetic recording and reproducing method
In a helical-scan-type magnetic recording and playback method for forming diagonal tracks on a magnetic tape while recording and playing back digital data signals, the record and playback heads are installed on a rotating drum in a manner that enables the...
06/22/1999
5793925Recording method and apparatus for control track
A method and apparatus for recording control pulses on a control track are provided. The control pulses correspond to a number M (where M is an integer equal to or larger than four) of azimuthal tracks on the tape on which the number M of segmented data, ...
08/11/1998
5646743Method for formatting a videotape and recording/reproducing to/from the formatted videotape
A program filing method for a video tape recorder is disclosed. The tape is formatted into a number of regions so that the tape is arranged into a filing form, and thus, recording and reproduction is faster and more convenient by utilizing a VISS function...
07/08/1997
5625461Recording and reproducing apparatus
A recording and reproducing apparatus is capable of editing video signals and audio signals recording additional information data for controlling the reproduction output level. The recording side includes an additional information data generating circuit,...
04/29/1997
5477398Apparatus for editing data in a selected area on a track of a tape recording medium
An editing apparatus is for use with a tape-form recording medium in which a tracking pilot signal and several synchronizing blocks each of which contains a synchronizing signal, a synchronizing signal number and a recording mode data are multiplex-record...
12/19/1995
5416649Single channel method and apparatus for automatically optimizing insert editing in a signal recorder
A single channel circuit and method for the automatic edit optimization of a recording medium which is operable with a recorder such as a video tape recorder or a disc recorder utilizes the difference between signal outputs from an automatic scan tracking...
05/16/1995
5307212Trapezoidal wave generation in a video control signal write circuit
A trapezoidal circuit is formed with a D/A converter circuit for receiving the sequentially varying count of a counter and the D/A converter circuit is caused to generate a trapezoidal wave whose slopes on both sides vary linearly. When a control signal i...
04/26/1994
5257254Apparatus for controlling CD audio player to playback CD-ROM
A data reproducing apparatus includes a reproducing section for reproducing digital data and whose reproducing state is controlled by a signal transmitted in a wireless fashion to thereby output reproduced data as digital data, and a control section for t...
10/26/1993
5251075Cue signal detecting apparatus
The present invention relates to a magnetic recording/reproduction device (such as VTRs and DATs). A cue signal becomes a mark of its position for automatic operation and automatic editing and is to be recorded in advance with the contents of a program. T...
10/05/1993
5233485Index search method and system thereof for digital video cassette tape recorder
An index search method and apparatus is provided for a digital video cassette recorder or other video signal reproduction devices. Incoming video signals are directed to a video reduction device which produces reduced picture images. The reduced picture i...
08/03/1993
5229890Data recording system for use in video tape recorder
A data recording system for use in video tape recorders selects one of a plurality of data including position information of a magnetic tape on and from which a video signal is recorded and reproduced by the video tape recorder, and controls the duty cycl...
07/20/1993
5210659Video signal recording and editing apparatus
A video signal recording apparatus equipped with circuits to record a time code signal and a control signal relative to a tape position at a speed higher than a normal recording speed, whereby the time required for recording such signals can be widely sho...
05/11/1993
5130859Videotape recorder
In a high definition television system (HDTV), a video signal is recorded on and reproduced from oblique and successive parallel tracks on a magnetic tape, and an audio signal is recorded on and reproduced from a plurality of parallel tracks extending in ...
07/14/1992
5088077Synchronization of record media transports and tracking adjustment
In a digital tape recording system for video and sound signals, in which information in each track is stored in plural sectors having synchronizing preambles that aid in synchronizing the playback of the information, special preambles containing a frequen...
02/11/1992
4958242Cue signal recording control system for video tape recorder
In a video tape recorder in which a video signal is recorded on a video track, a control signal is recorded on a control track and when reproducing, the control signal is used as tracking signal to control the running speed of the magnetic tape, time is s...
09/18/1990
4956725Image signal reproducing apparatus
An image signal reproducing apparatus for reproducing image signals from a record bearing medium on which image signals consisting of a plurality of groups of image planes are recorded is arranged to reproduce the image signals recorded on the record bear...
09/11/1990
4858033Apparatus for pacing, queing and equipment control in audiovisual work
An electronic device designed for use in conjunction with a cueing and pacing apparatus incorporating a time-code generator and reader. A device for use in the production of synchronized composite sound tracks for audiovisuals, including film and videotap...
08/15/1989
4841383Control pulse recording circuit for magnetic recording and reproducing apparatus
A control pulse recording circuit for a magnetic recording and reproducing apparatus comprises a control head, a circuit for detecting leading edges of control pulses reproduced by the control head, a circuit for generating a recording voltage having a po...
06/20/1989
4727417Endoscope video apparatus
An endoscope video apparatus has an endoscope including a solid-state image sensor, for outputting an endoscopic image signal, a video processor for processing the image signal supplied from the solid-state image sensor and outputting a video signal, an i...
02/23/1988
4703311Method and apparatus for transferring an information code onto the synchronization track of a video tape and a video tape produced according to said method
A method for transferring an information code onto the synchronization track of a video tape is described. The code is recorded during intervals between synch pulses by adding code pulses of the same magnetization as the recorded synch pulses on the synch...
10/27/1987
4691251Magnetic recording and reproducing apparatus in which recording is restarted responsive to recorded cue signals
A magnetic recording and reproducing apparatus using a pilot signal control system is adapted such that a cue signal (51) is recorded in a cue track (50) provided besides a video signal track (52) when a magnetic tape (7) is temporarily stopped during the...
09/01/1987
4691250Magnetic video reproducer with reversely recorded cue track
A magnetic video reproducer outputs a plurality of pilot signals having different frequencies from a servo circuit (18) in a recording mode, to superpose the pilot signals on video signals outputted from a signal circuit (25) and record the same on video ...
09/01/1987
4630138Control apparatus for controlling recording of a scene for use in image recording system
Apparatus for controlling recording of a scene for use in an image recording system adapted for recording images on a magnetic recording medium by consecutive shooting is described. The apparatus includes a magnetic recording device for recording images o...
12/16/1986
4570192Video recording and/or reproducing apparatus with edit control circuit
A control circuit for video tape recording and/or playback apparatus is coupled to a stationary control head for selectively changing the duty ratio of the control signal that accompanies the recorded video signal and is the same signal that is used to co...
02/11/1986
4549231Signal reproducing apparatus having means for modifying a pre-recorded control signal
A signal recording and/or reproducing system is provided in a recording and/or reproducing apparatus having a control head for performing recording and/or reproduction of a control signal with respect to a control track on a tape, and a control circuit su...
10/22/1985
4527202Method and apparatus for recording/reproducing a control signal on and from video signal recordings by an erase head
In a video tape recorder having at least one rotary magnetic head for recording and reproducing a video signal on a magnetic recording tape, a control signal which will be used for controlling the rotation of the rotary head and the movement of the tape i...
07/02/1985
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