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7289721 |
Method and apparatus for data reproduction
A data reproduction method and apparatus includes first circuitry to produce an information signal from a storage medium. The information signal includes copy control information. Detection...
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6829429 |
Video recording device for recording video signal including character information
A video recording device for recording a plurality of sets of video information including a plurality of sets of character information is provided. An ADC sequentially receives the plurality of...
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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...
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5500739 |
Frequency-multiplexing FM luma signal with color and 2nd under signals having overlapping frequency spectra
A frequency-multiplexed video signal is generated in which a color-under signal and a second under signal are linearly combined with at least partially overlapping frequency spectra to form a...
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5493412 |
Information signal reproduction apparatus
A video signal processing apparatus is arranged to process a composite information signal which is formed by multiplexing first and second information signals having different frequency bands. When...
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5465071 |
Information signal processing apparatus
An information signal processing apparatus according to the present invention is arranged to receive as an input a frequency-modulated information signal having a predetermined frequency band, form...
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5442451 |
Helical scan recording/reproducing device for simultaneously helically recording/reproducing both video and audio signals
A video tape recorder includes a cylinder provided to rotate about its axis. A magnetic tape moves along a portion of the cylinder surface such that the cylinder surface obliquely traverses the...
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5414567 |
Magnetic recording and reproducing device
A magnetic recording method and apparatus which performs a quadrature phase shift keying operation on a digital information signal, superimposes a high frequency bias signal on the performed...
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5396372 |
Audio signal recording and reproducing apparatus
There is provided an audio signal magnetic recording and reproducing apparatus in which a frequency modulated luminance signal and a frequency modulated audio signal are sequentially recorded and...
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5285288 |
Video signal reproducing apparatus with time base corrector
In an apparatus for reproducing, from a record medium, a recorded video signal including an FM-modulated luminance signal and a chroma signal which is down-converted from an original frequency...
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5227891 |
Method of recording fine color video signal on optical recording media and method of reproducing thus recorded fine color video signal
A fine color video signal including a fine component in a high frequency area has a level of an upper side band of the fine component raised by a predetermined level after FM modulation. An...
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5223943 |
Still-video signal playback apparatus with plural system demodulator and low pass filter selection and delay compensation
A charge transfer element is utilized and the frequency of clock pulses applied to the charge transfer element is adjusted to compensate for the amount of delay of a luminance signal, which differs...
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5151793 |
Recording medium playing apparatus
Karaoke is provided more easily and flexibly by recording video signals from multiple video sources on a disk; selecting one of those sources as desired; and reproducing the signals from that...
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5121073 |
FM demodulator arrangement including hold, delay and switching circuits to compensate for signal disturbances
In order to reduce the disturbances caused by the head switch in a videotape recorder, in an arrangement for demodulating an FM modulated signal, a fixed value in the hold circuit used for...
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5097349 |
Method of recording and reproducing picture information, recording medium, and recording medium playing apparatus
Method of recording and reproducing picture information and a recording medium on which the picture information is recorded by the method, and an apparatus for playing such a recording medium. In...
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5079525 |
Audio-video modulator system on IC chip
An RF modulator comprising an FM modulator supplied with an audio signal, and AM modulator supplied with the FM modulator output and a video signal, an oscillator for generating a sound subcarrier...
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5063457 |
Wide-band video signal recording apparatus by using frequency interleave
A wide-band video signal recording apparatus is arranged: to frequency modulate a low frequency band portion of a luminance signal; to multiplex a high band portion of the luminance signal with a...
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4994923 |
Video signal recording and reproducing apparatus with signal processing circuit for improvement of picture quality
Herein disclosed is a color video signal recording and reproducing apparatus for recording and reproducing a luminance signal as a frequency-modulated wave and a chrominance signal as a...
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4851928 |
Apparatus for recording low and high bond components of a chrominance signal
A magnetic recording and/or reproducing apparatus and methods thereof for a composite color TV (television) signal arranged such that a luminance signal and a high band component of a chrominance...
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4823197 |
Recording apparatus and reproducing apparatus
Disclosed are a recording apparatus for recording video signals or audio signals on a recording medium wherein a first sound is recorded in that band which is to be used for recording the luminance...
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4811116 |
Video recorder using extended tape tracks to record compressed chrominance
In a video recorder having a drum with opposing dual record heads, successive fields of only the luminance signal (without the chrominance signal) are recorded by the heads during successive head...
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4792862 |
Apparatus for recording a frequency modulated video signal with selective emphasis of its low frequency components
In an apparatus for recording a video signal on a record medium and having a circuit for separating luminance and chrominance signal components from an input video signal, a frequency-modulator...
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4739417 |
Multi-mode electronic camera
A multi-mode electronic camera capable of operating in any of a video camera mode, a one-shot video camera mode, and a still camera mode, and in which the image of the object being photographed can...
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4719518 |
Magnetic recording apparatus for carrying out recording by selectively using one of two kinds of recording systems
A magnetic recording apparatus for carrying out a recording by selectively using one of two kinds of recording systems comprises first through fourth rotary magnetic heads, a first circuit for...
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4709275 |
Apparatus for magnetically recording and/or reproducing two-channel audio signals together with a color video signal in successive oblique tracks on a magnetic tape
In an apparatus for magnetically recording and/or reproducing two-channel audio signals and a color video signal, the color video signal is processed to provide a frequency-modulated luminance...
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4698693 |
Audio magnetic recording and/or reproducing apparatus utilizing frequency modulation
A rotary head type magnetic recording and reproducing apparatus comprises a circuit for recording and reproducing a signal on and from a magnetic recording medium by rotary heads, a circuit for...
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4691246 |
Apparatus for multiplex recording and reproduction of audio and video signals
A recording circuit for a video tape recorder which records superposedly a frequency-modulated audio signal with a frequency-modulated luminance signal and a carrier color signal converted to a low...
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4679097 |
Method of recording and reproducing video and audio signals on a magnetic tape
A magnetic recording and reproducing method, applicable to a magnetic recording and reproducing apparatus such as a video tape recorder. The method comprising the steps of recording a first signal...
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4660097 |
Color video system with digital audio pulse width modulation
A method of encoding a recording signal which includes a composite color video signal and a digital audio signal, for recording the same on and reading it from an optical video disc is disclosed....
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4654724 |
Recording method for video and audio signals in magnetic picture recording system
A recording method for magnetic recording and further high-density recording of video and audio signals by multiplexing them by frequency division, which is made free of crosstalk among audio...
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4647983 |
Method and apparatus for recording and/or reproducing color video signal
A method of recording and/or reproducing color video signal comprises the steps of forming from a color video signal a frequency division multiplexed signal of an FM luminance signal and a...
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4591924 |
Multiplex magnetic recording and reproduction system
In a video tape recorder of the helical scan type, a pair of rotary magnetic heads for the audio signal are provided in addition to the rotary video heads so that the audio signal is recorded on...
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4583131 |
Method and apparatus for stop-motion playback of a record disc
A video record medium, such as a record disc, for recording a composite video and audio signal suitable for stop-motion playback, with accompanying audio. Discrete segments of an analog audio...
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4580174 |
Apparatus for recording and/or reproducing video and audio signals
A video and audio signal recording apparatus includes a first frequency modulator in which a first audio signal to be recorded that may represent a stereophonic left channel modulates a first...
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4564868 |
Video tape recorder having improved audio characteristics
Audio signals to be recorded on a video cassette tape are frequency modulated by a frequency modulator. A subsequent pair of frequency converters produce audio signals whose carrier frequencies are...
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4556917 |
Magnetic recording/reproducing apparatus for video and sound
Disclosed is a magnetic recording/reproducing apparatus, in which a luminance signal and a carrier chrominance signal are separated from a composite color video signal, a luminance carrier signal...
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4555735 |
Interconnection system between image pickup device and recording device
A system for interconnecting with a single coaxial cable between an image pickup device such as a color television camera and a recording device such as a video tape recorder is provided. The...
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4499502 |
Compressed bandwidth frequency modulation signal format apparatus and method
A method and apparatus for developing a compressed bandwidth frequency modulation signal format to increase the playing time per side of a videodisc by compressing the signal bandwidth of the...
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4492986 |
VTR With high-quality audio recording system
A video and audio signal recording apparatus includes frequency-modulators in which an audio signal, for example, a stereophonic left signal, modulates first and second carriers with different...
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4490751 |
Apparatus for recording and/or reproducing video and audio signals
A video and audio signal recording apparatus includes first and second frequency-modulators in which a first audio signal, for example, a stereophonic left signal, modulates a first carrier and a...
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4486789 |
Magnetic recording and/or reproducing apparatus
A magnetic recording and reproducing apparatus comprises a recording and reproducing circuit for recording and reproducing a video signal, an audio signal, and a control signal, so that a region...
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4480270 |
Audio/video signal recording method
A method for recording video and audio information onto a recording medium which involves recording a carrier frequency signal, frequency modulated with composite color video information, and a...
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4477840 |
Video recorder
In a video tape recorder for recording a television signal composed of a picture carrier which has been frequency modulated with a video luminance signal, a chrominance subcarrier which has been...
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4453186 |
Video and sound signal recording and reproducing device
A sound signal recording and reproducing device for use in a picture signal recording and reproducing apparatus comprises a first sound signal recording and reproducing system recording a sound...
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4392160 |
Playback system for video disk having plural information tracks
A video disc has first and second information tracks adjacently formed thereon, and first and second FM signals with different frequency bands are recorded on the first and second information...
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4217603 |
Method and apparatus for processing color television signals
Methods and apparatus for processing color television signals for recording and playback on a magnetic tape and for subsequent display on a conventional Phase Alternation Line (PAL)-type color...
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4208671 |
Color video recorder/reproducer
An information signal recording system separates a color video signal into a luminance signal and a carrier chrominance signal. The frequency of the separated carrier chrominance signal is...
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4097899 |
Video record player switching system
Video record player has RF output terminal linked to antenna terminals of a television receiver, and an RF input terminal coupled to antenna lead-in. Player's processing circuits provide respective...
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4068259 |
Coder and decoder for a system designed to disseminate color television audio video signals
A coder designed to receive color television audio video signals where a carrier wave is frequency modulated by the luminance signal and a sub-carrier wave is modulated by time multiplexed...
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4005474 |
Recording apparatus and methods for a color picture/sound record
Recording apparatus for use in the mastering of a color picture/sound disc includes a source of composite color video signals in which chrominance information appears as sideband components of a...
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