|
Match
|
Document |
Document Title |
|
|
6931197 |
Frequency modulation (FM) recording apparatus of video tape recorder
A frequency modulation (FM) recording apparatus for recording an FM modulated video signal onto a recording medium is provided. This recording apparatus (luminance components plus color components)...
|
|
|
6885809 |
Recording apparatus that records a broadcast program and ID information for a broadcast station on a recording medium, and a playback apparatus for recorded programs
A recording apparatus includes a reception unit and a recording unit. The reception unit receives a broadcast signal, out of a plurality of broadcast signals that can be specified by conditions...
|
|
|
6690877 |
Magnetic tape recording apparatus
In a magnetic tape recording apparatus for recording an FM luminance signal and a low frequency converted chrominance onto tracks of a magnetic tape, both of a frequency of the FM luminance signal...
|
|
|
6687452 |
Magnetic recording device
A magnetic recording device provided with a frequency modulation circuit, a filter circuit, and a frequency conversion circuit. The frequency modulation circuit generates a modified FM luminance...
|
|
|
6249642 |
Extended play radio vision cassette recorder system and method of operating same
An extended play radio video cassette recorder (EPRVCR) capable of receiving and recording audio and video signals transmitted over a radio frequency channel is provided. The EPRVCR includes a...
|
|
|
6072594 |
Information signal reproducing apparatus with noise processing
An information signal recording apparatus for recording an information signal having a predetermined frequency band onto a recording medium, which comprises signal separating means for receiving...
|
|
|
5909532 |
Apparatus and method for recording and reproducing a television signal
The television signal recording/reproducing system digitally records and reproduces television signals composed of a luminance signal, a chrominance signal and a resolution compensation signal...
|
|
|
5905839 |
Digital video signal recording/reproducing apparatus for storing a vertical resolution signal
The television signal recording/reproducing system digitally records and reproduces television signals composed of a luminance signal, a chrominance signal and a resolution compensation signal...
|
|
|
5715353 |
Sine-wave modulator and playback/recording modulator-demodulator for a high-fidelity video playback/recording system
A playback/recording modulating-demodulating device, having a voltage-controlled oscillator (VCO), a voltage-current inverter (VCI), a band-pass filter, an amplitude limiter, and a phase-locked...
|
|
|
5684914 |
Digital carrier generator for frequency band conversion of color signals
An apparatus for generating a carrier frequency suitable for frequency band conversion of a color signal in a digital color signal processing circuit of a video tape recorder includes an adder, an...
|
|
|
5655047 |
Video signal frequency modulator having automatic control function and controlling method therefor
A video signal frequency modulator having an automatic control function includes a reference generator for generating a sync tip level signal and a white peak level signal, a first switch for...
|
|
|
5621535 |
Direct digital synthesis of video signal recording waveforms from baseband digital signals provided by a computer interface for compatible recording onto analog video tape
The present invention is a system for recording digitized component television signals onto analog video tape. The present invention directly implements the frequency division multiplexed signal of...
|
|
|
5606424 |
Simple high-band record modulation circuit in 8MM video tape recorder
A record modulation circuit having a first frequency deviation amount determiner for determining the frequency deviation amount suitable for a normal recording mode, and a second frequency...
|
|
|
5592132 |
Frequency modulator comprising an adjusting circuit
In a frequency modulator (1) having an adjusting circuit by which frequency modulator an applied luminance signal of a color video signal that contains synchronization pulses is frequency...
|
|
|
5587802 |
Extended definition video signal converter for use with a video recorder
A converter with which an extended definition (ED) video signal may be converted into a signal that may be recorded by a video recorder and with which a signal read out by a video reorder may be...
|
|
|
5552895 |
Double-deck magnetic recording/reproducing apparatus
A double-deck magnetic recording/reproducing apparatus includes first and second recording/reproducing portions for, during playback, receiving an FM video signal for a first (or second) format and...
|
|
|
5534943 |
Frequency modulation system having control of a carrier frequency
A frequency modulating system for frequency-modulating an input signal with a predetermined carrier frequency comprising a controller circuit and a frequency modulator. The controller circuit...
|
|
|
5517159 |
Frequency modulating system including feedback clamping circuit
A frequency modulating system for frequency-modulating an input signal with a predetermined carrier frequency comprising a controller circuit and a frequency modulator is provided. The controller...
|
|
|
5510898 |
Information signal recording apparatus
Apparatus for processing signals having time base variations comprises: time base variation correction circuitry for correcting time-base variations existing in a signal input thereto and having an...
|
|
|
5506547 |
Frequency modulator having LC oscillator with switchable frequencies
A frequency modulation circuit which varies the resonance frequency of an LC resonance circuit, and which corresponds to the frequency modulation conversions of all TV methods with a simple...
|
|
|
5504464 |
Frequency modulating system including clamp and transconductance amplifier
A frequency modulating system for frequency-modulating an input signal with a predetermined carrier frequency comprising a controller circuit and a frequency modulator is provided. The controller...
|
|
|
5504463 |
Frequency modulating system including VCD made of transconductance amplifiers
A frequency modulating system for frequency-modulating an input signal with a predetermined carrier frequency comprising a controller circuit and a frequency modulator is provided. The controller...
|
|
|
5486929 |
Time division multiplexed video recording and playback system
A system and method for recording video signals onto analog magnetic tape, and for the playback of those recorded signals. Such a system includes a digital luminance signal generator, a first...
|
|
|
5465158 |
Video tape recorder capable of recording and reproducing wide-band chrominance signal
In a video tape recorder of the color under recording type, in which a low frequency band converted carrier chrominance signal is recorded together with an FM luminance signal, another FM modulator...
|
|
|
5430551 |
Video recorder with distortion corrector circuit
A brightness signal distortion correction circuit (8, 11, 21) is provided for a video recorder, having distortion correction circuit (11), responsive to frequency-modulated brightness signals, and...
|
|
|
5396294 |
Digital chrominance signal demodulation apparatus
Different from typical signal processing which employs a feedback control, by adopting a demodulating circuit employing AFC, which is not affected by a comb filter, the response characteristic...
|
|
|
5369448 |
Video signal processing system removing redundant information from chroma/motion separation output
A video signal processing system including a reproducing or receiving circuit which is responsive to a recorded or transmitted video signal having a motion signal modulated at a first frequency...
|
|
|
5245439 |
Device and method in a video recorder for controlling frequency characteristics of a luminance component in dependence upon existence of a chrominance component
A circuit for recording video signals includes: a luminance signal processor for separating a luminance signal from a video signal and frequency modulating the separated luminance signal; a...
|
|
|
5243474 |
Automatic tracking control system which utilizes a crosstalk envelope signal to vary a tracking control signal
An automatic tracking control system with a servo loop, controlled by a tracking control signal, that adjusts the position of a pickup head in relation to tracks scanned by the head. Adjacent-track...
|
|
|
5218449 |
Nervous clock signal generator for video recorder
A video recorder for recording composite video signals includes an analog to digital converter for digitizing samples of the composite video signal being recorded. A sync separator separates...
|
|
|
5200834 |
Magnetic recording and reproducing apparatus obtaining separate clock signals from brightness and color components of a video signal
A digital video tape recorder. A clock is extracted from the horizontal sync signal within the luminance signal, and used in processing the luminance portion of the video signal. A clock is also...
|
|
|
5195073 |
Apparatus for selectively recording analog and digital data on an optical disc
In an optical disc device including an optical disc, a device for selectively processing and recording on the optical disc analog and digital input signals includes analog modulation circuitry for...
|
|
|
5172240 |
Information signal discriminating apparatus
Disclosed is an information signal discriminating apparatus adapted to ascertain the type of an information signal which includes a synchronizing signal and which is modulated by one of a plurality...
|
|
|
5157359 |
Carrier reset FM modulator and method of frequency modulating video signals
An FM modulator includes a base clock generating circuit (7) receiving an incoming video signal for generating an AFC reference frequency signal having a frequency and phase corresponding to a...
|
|
|
5153740 |
Recording and demodulation devices for electronic still camera
A device for use in an apparatus for demodulating the signal reproduced from a recording medium in a still video camera or the like in which the phase of the demodulated signal is always accurately...
|
|
|
5142378 |
Low band converter for use in a video tape recorder
A low band converter for recording color signals converted in low band onto a video tape media of a VTR system. The inventive converter for use in a video tape recorder is capable of converting...
|
|
|
5142375 |
Video camera integral with magnetic recording and reproducing device, and with color video signal processing apparatus
A video camera having an imager providing an imager signal corresponding to an object in the field of view of the camera, and an integral magnetic recording and reproducing device are provided with...
|
|
|
5077616 |
Video recorder with increased bandwidth recording
A luminance signal is frequency modulated with an FM carrier to generate a frequency modulated signal having a frequency spectrum within a frequency band of 1.6 to 8 megahertz. A second signal such...
|
|
|
5063437 |
Method and apparatus for processing a color video signal
This invention relates to a method and apparatus for processing a color video signal. The processing method separates an input composite color video signal into a luminance signal and chrominance...
|
|
|
5057796 |
Digital frequency modulation system in which high and low frequency portions are processed separately
In a frequency modulation system, a modulating signal is split into its low-frequency and high-frequency components. The low frequency component is used to modulate a carrier signal by conventional...
|
|
|
5010416 |
Color video signal reproducing apparatus
A color video signal reproducing apparatus for reproducing a color video signal from a recording medium on which at least luminance and chrominance signals are recorded in the form of a multiplexed...
|
|
|
5003403 |
Recording apparatus
A reproducing apparatus wherein luminance signals are converted by a first conversion process into converted luminance signals, while color information signals are converted by a second conversion...
|
|
|
4994922 |
Image storage and retrieval apparatus
There is disclosed a still image storage and retrieval apparatus that is capable of storing and retrieving a large number of images from a magnetic disk storage medium. The apparatus uses a color...
|
|
|
4979046 |
Magnetic recording and reproducing apparatus for recording upper-sidebond-eliminated FM signal
A magnetic recording and reproducing apparatus which converts a video signal to an FM signal and records the FM signal on a magnetic recording medium has a filter which eliminates an upper sideband...
|
|
|
4972272 |
Multi-channel video tape recorder/player having multiple pairs of video heads
N-channel component signals (N≥3) of a video signal is recorded and reproduced by N pairs of magnetic heads in any tape speed mode. The N pairs of heads are mounted on a circumference of a rotary...
|
|
|
4941054 |
Color-difference line-sequential signal processing apparatus
A color video signal processing apparatus of the invention processes a signal with a first composite color video signal composed of at least a luminance signal and a chrominance signal converted to...
|
|
|
4908581 |
Frequency demodulator having circuit cancelling undesired signal components
An FM signal obtained by modulating a carrier f c with a signal f s is demodulated by a frequency demodulator to obtain a demodulated signal which contains a lower sideband component as an...
|
|
|
4879606 |
EDTV recording apparatus
Extended definition television (EDTV) signals including a compatible composite wideband signal and a separate helper or extended definition signal are combined, for example, for recording purposes,...
|
|
|
4839615 |
Frequency modulating circuit for video tape recorder
A frequency modulating circuit comprising a circuit for separating a synchronizing signal from an input signal, a circuit for generating a sampling pulse in accordance with the synchronizing...
|
|
|
4835620 |
Video signal processing system
A video signal processing system for processing a reproduced video signal includes a first mixing circuit for mixing reproduced video signals of a plurality of television lines with a first...
|