Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 7154431 | Signal synthesizer and method therefor A digital synthesizer includes a digital radio frequency memory (DRFM) for storing phase values and corresponding digital signals. The digital synthesizer includes a digital processing circuit receiving input from the DRFM, the circuit including tapped delay lines a... | 12/26/2006 |
| 7144677 | Optical recording method and optical recording medium This invention provides a recording method for an optical recording medium having superior high-speed recording, and a playable optical recording medium in which data pits are formed by this recording method. For this purpose, recording materials having special ther... | 12/05/2006 |
| 7116242 | Programmable transmitter and receiver including digital radio frequency memory A vehicular programmable transceiver includes a digital radio frequency memory (DRFM) having at least one register configured to sample and hold a radio frequency input signal in response to a clock signal and to generate an output signal having a carrier frequency ... | 10/03/2006 |
| 6804638 | Device and method for selective recall and preservation of events prior to decision to record the events A device process for event-activated recording generally includes the steps of providing an acquisition buffer having at least one finite extent of a recording medium. Events are recorded in the acquisition buffer. Current events in place of earlier events are then ... | 10/12/2004 |
| 6788359 | Method for illuminating liquid crystal display device, a back-light assembly for performing the same, and a liquid crystal display device using the same A method for illuminating a liquid crystal display device, a back-light assembly for performing the same and a liquid crystal display device using the same can improve the front luminance and production yield. Lights from a lamp is incident to a LCD panel side, whic... | 09/07/2004 |
| 6205419 | Selective recall and preservation of continuously recorded data The invention relates to a process for selectively recording or recalling events, and a device therefor. The process for selectively recording events comprises the steps of: providing an acquisition buffer comprising at least one finite extent of a record... | 03/20/2001 |
| 5845240 | Selective recall and preservation of continuously recorded data A recording method and apparatus enabling a user to select for recall and preservation portions of audio, video or other data that have been continuously recorded on a finite extent of recording medium, thereby enabling the effective recording and reprodu... | 12/01/1998 |
| 4891646 | Modulated single channel digital radio frequency memory (DRFM) A modulated single channel (as opposed to a quadrature channel) digital radio frequency memory (DRFM) system retrievably stores incoming radio frequency (RF) signals in a digital memory and replicates the RF signals at the output. The input RF signal to b... | 01/02/1990 |
| 4819223 | Video record disc A transparent record disc is provided which may appropriately have video signals optically recorded thereon, the record is composed of a lamination, for example, of pliant transparent plastic on a base of hard transparent plastic. The base provides streng... | 04/04/1989 |
| 4799189 | Resynthesized digital radio frequency memory The present invention describes a resynthesized DRFM and method thereof. A conventional DRFM is utilized with the addition of a computer device. Once the digital pattern signals are stored they are utilized to generate a digital pattern which fills the in... | 01/17/1989 |
| 4509155 | Circuit arrangement for a disk player for reproducing information prerecorded in the form of pits In a circuit arrangement for a disk player of the type arranged to reproduce information prerecorded in the form of pits, a variable gain circuit for changing the frequency characteristic of the reproduced signal is provided. The level of the reproduced s... | 04/02/1985 |
| 4462048 | Noise reduction circuitry for audio signals A signal substitution system is employed in audio processing circuitry to compensate for impulse noise and signal dropouts. Stored or delayed audio signal is substituted in the IF portion of the receiver circuitry ahead of the IF filters thereby precludin... | 07/24/1984 |
| 4393489 | Audio processor for single, channel, matrixed two-channel and un-matrixed two-channel signals Audio signals recovered from a video disc record are applied to a dual mode decoder matrix via track and hold circuits which mute the audio signals in response to defect indicating signals and player mode control signals. A selected one of the mode contro... | 07/12/1983 |
| 4382292 | Video disc player having stylus position sensing apparatus In a video disc player, a stylus arm, having a track-following stylus at one end thereof, has its other end secured to a pickup cartridge by means of a compliant member. A conductive flylead disposed in the cartridge provides an electrical connection betw... | 05/03/1983 |
| 4340956 | Minimum tracking force stylus In a video disc player of the type having a signal pickup stylus engaging a disc record for recovering prerecorded information signals, an electromechanical transducer is arranged to cooperate with the signal pickup stylus to regulate the bearing pressure... | 07/20/1982 |
| 4323934 | Dropout compensation circuitry Apparatus for compensating for the absence of signals among a plurality of correlated signals, which occur simultaneously and which have carrier components, is disclosed herein. Such apparatus comprises detector means responsive to the absence of the carr... | 04/06/1982 |
| 4322746 | Crosstalk attenuator system Disclosed is a crosstalk attenuator system for reducing the crosstalk which occurs at the time of separating and reproducing the original signals from the video disc recording medium on which a video signal and a voice signal have been recorded as a compo... | 03/30/1982 |
| 4320486 | Transferring information signals from a first to a second recording medium A method and apparatus are disclosed for achieving improved efficiency and economy in the transfer of information signals from a first to a second recording medium utilizing an optical storage medium as an intermediate transfer medium. Information signals... | 03/16/1982 |
| 4313191 | Recording medium having a pilot signal with an aligned phase angle in adjacent tracks A recording medium, such as a light-reflective video disc, having a plurality of substantially parallel information tracks, each track formed by a succession of spaced, information-bearing indicia having reduced reflectivity. Each track records both a mod... | 01/26/1982 |
| 4309722 | Video disc player noise reduction circuit In a video disc player intermodulation distortion can occur during signal recovery and is manifested as the modulated sound carrier appearing in the baseband video. To reduce such distortion, a portion of the signal recovered from the disc record is filte... | 01/05/1982 |
| 4300172 | Playback system with amplitude correction for frequency modulated signals Since frequency modulated signals such as color television signals are subject to amplitude changes as well as timing changes if the playback speed is not the same as the recording speed, a variable gain amplifier is provided. The gain of the variable gai... | 11/10/1981 |
| 4277796 | Slow down color processor for video disc mastering using a special mode VTR Selected fields of a redundant field slow motion video tape reproduced video signal are stored in a memory at a given clock rate and recovered at a lower clock rate that is inversely proportional to the number of times each field is repeated so as to prod... | 07/07/1981 |
| 4228050 | Conductive molding composition An improved molding composition having a bulk resistivity below about 500 ohm-cm at 900 megahertz for compression molding video discs comprising sufficient conductive carbon black particles to obtain the desired conductivity, from about 1.5 to 4 percent b... | 10/14/1980 |
| 4225873 | Recording and playback system Apparatus and process for writing upon a video record and for reading the video information from the video record after the writing is complete, and the video disc structure so written. The apparatus includes a laser and an optical system which directs th... | 09/30/1980 |
| 4206477 | Optical recording with track drop compensation The beam intensity of an optical recording system employed for recording frequency modulated composite video signals on discs undergoes temporal distortion at critical signal frequencies in a manner complementary to the effects of frequency distortion in ... | 06/03/1980 |
| 4205339 | Frame storage and retrieval wherein the frame fields are quadrature amplitude modulated on a single carrier Method and apparatus for recording a frame, comprising two fields, of document information on a disc storage device are described. The video signals corresponding to the two fields are used to amplitude modulate quadrature components of a single carrier f... | 05/27/1980 |
| 4194094 | Device for mechanically recording a signal having a bandwidth of several MHz, particularly for a video disc A device for mechanically recording a signal having a bandwidth of several MHz on a receiving surface, particularly on a video disc, comprises, a rigid housing having a stylus receiving cavity with a piezoelectric transducer mounted in said cavity which i... | 03/18/1980 |
| 4193090 | Optical detection system for simultaneously interrogating a plurality of tracks The present invention relates in general to an optical video detection system for retrieving recorded information. More particularly, the invention relates to an optical detection system whereby optical means focus a laser beam into a reading spot of an a... | 03/11/1980 |
| 4157568 | Method and apparatus for optically reproducing a rotatable record with a scanning light beam of changing size A rotatable record carrier upon which reproducible information is recorded in the form of spaced apart pits in substantially concentric circular tracks on a surface of the carrier. The pits may represent frequency-modulated information signals, and the le... | 06/05/1979 |
| 4142210 | Rotatable record carrier and method and apparatus for producing same A rotatable record carrier upon which reproducible information is recorded in the form of spaced apart pits in substantially concentric circular tracks on a surface of the carrier. A method of producing this record carrier is disclosed wherein, although t... | 02/27/1979 |
| 4125860 | Reproducer for an eraseable videodisc An apparatus optically reproduces FM electric signals from the recording medium recorded with said electric signals in the form of a change in refraction index. The apparatus is so constructed that a pair of laser beams are incident on the recording mediu... | 11/14/1978 |
| 4119812 | Signal defect detection and compensation with signal de-emphasis Information processing system, for use with a source of carrier waves modulated with audio information, includes in respective audio channels a demodulator and for recovery of the audio information and track-and-hold amplifiers. Separate circuits are prov... | 10/10/1978 |
| 4106058 | Data disc optical reader containing a device for automatic data access The invention concerns the reading by optical means of data recorded along a track on a disc; an address code, which increases one unit at each step, is recorded on the disc at the same time as the data. The optical reader contains a device for the fast m... | 08/08/1978 |
| 4087651 | Optical sound recording system with inversely polarized sound signals An optical sound recording system of modified variable area type, wherein a light beam, preferably a laser beam, is pulse-width modulated in response to sound signals and deflected at a high frequency beyond audible range and then recorded on a sound trac... | 05/02/1978 |
| 4085296 | Modulated sound reading system A motion picture sound reading system employing a light emitting diode source which is modulated at a carrier frequency several times higher than the highest sound-track frequency for exciting the optical sound track and a carrier-demodulation signal proc... | 04/18/1978 |
| 4041532 | Method of recording wide-band signals on a thermoplastic film by use of a beam of electrons This invention concerns a method of recording wide-band signals on a thermoplastic film. The signal to be recorded is converted to an intensity modulation of a beam of electrons which is directed at the surface of a thin thermoplastic film carried on a co... | 08/09/1977 |
| 4038524 | Data carrier optically readable by transmission and method of manufacturing such a data carrier The present invention relates to the protecting against scratching and fouling of a data carrier which carries a relief impression readable optically by transmission. The data carrier in accordance with the invention is protected by a transparent protecti... | 07/26/1977 |
| 4037251 | Data carrier optically read out by transmission, and method of manufacturing said data carrier The present invention relates to the protection of relief impressions formed in order to store information on a data carrier which can be optically read out by transmission. The invention relates to a data carrier the relief impression in which is protect... | 07/19/1977 |
| 4035590 | Apparatus for electromechanical recording of short wavelength modulation in a metal master An unheated cutting stylus is positioned with respect to a metal master in order to cut a groove having a quiescent groove depth less than one micrometer while relative motion is established between the cutting stylus and the metal master. The cutting sty... | 07/12/1977 |
| 4005275 | Wideband analog photorecording apparatus and method A wideband analog photorecorder comprises a transparent Bragg cell as an acousto-optic transducer and a pulsed laser positioned to sequentially illuminate a moving recording medium (photographic film) through the cell. The acousto-optic cell is energized ... | 01/25/1977 |