Bizarre Patents
Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7269215 | Equalization processing method and the apparatus for periodic fluctuation of transmission line characteristic A method used in equalization processing is provided, in which a reference signal is received and a change point of transmission line characteristics is detected. A basic frequency signal of fluctuation period of the transmission line characteristics is extracted, a... | 09/11/2007 |
| 7239355 | Method of frame synchronization when scaling video and video scaling apparatus thereof A video scaling apparatus includes a receiver for receiving incoming video signals having transmitted therein a plurality of incoming frames, each incoming frame having a first plurality of synchronization signals for indicating lines in the incoming frame; a scaler... | 07/03/2007 |
| 7174091 | Method 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 |
| 7100066 | Clock distribution device and method in compact PCI based multi-processing system Disclosed is a clock distribution device and method in a compact PCI system based multi-processing system. A compact PCI based multi-processing system preferably includes processing signals upon mounting various circuit boards on multiple slots, even if the location... | 08/29/2006 |
| 7064617 | Method and apparatus for temperature compensation Temperature compensation is achieved by adjusting a divide ratio of a multi-modulus divider circuit in a feedback path of a phase-locked loop based on the detected temperature. The divide ratio is adjusted based on stored adjustment values stored in non-volatile mem... | 06/20/2006 |
| 6973258 | Method and apparatus for recording digital data streams A method and apparatus for recording digital data streams. When a digital broadcast data stream received by a set top box is transmitted through a communication interface such as an IEEE-1394 bus to a streamer, program clock references contained in the data stream b... | 12/06/2005 |
| 6967815 | Method of depicting a pattern with electron beam and disc-like substrate and magnetic recording medium A desired pattern of elements, including an element having a slant side intersecting a recording track, is depicted on a resist layer on a disc-like substrate. The element is depicted by causing an electron beam whose beam diameter is smaller than the minimum width ... | 11/22/2005 |
| 6788879 | Image signal processing apparatus A signal processing apparatus receives a signal train including image signals of a plurality of frames and additional signals added to the image signals on a frame unit basis for controlling the processes for the image signals, delays the received image signals in a... | 09/07/2004 |
| 5625614 | Optical disc data recording apparatus and method using modified pit lengths An information recording apparatus for recording at least a video signal and a digital audio signal onto an optical record medium, is provided with: a pulse signal generation device for generating a pulse signal having a pulse width corresponding to the v... | 04/29/1997 |
| 5424849 | Video signal reproduction apparatus and time base correcting device The video signal reproduction apparatus having two kinds of equalizing circuits to correct the level of a frequency-modulated luminance signal, that is, a first equalizing circuit which raises the level of the upper sideband range of the frequency-modulat... | 06/13/1995 |
| 5371604 | Apparatus for edit recording of a compressed digital video signal on a recording tape In an apparatus for multi-segment recording/reproducing of a compressed digital video signal, a reproduced position within a group unit of the video signal is detected by a reproduced position detector in its reproducing state. A relative position detecto... | 12/06/1994 |
| 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 vertical synchronizing signal of the video signal to be recor... | 05/24/1994 |
| 5220736 | Reproducing apparatus with time base corrector A reproducing apparatus for reproducing a signal by moving a record bearing medium and a reproducing head relative to each other is provided with a time base corrector for correcting the time base of the signal reproduced. The time base corrector is chara... | 06/22/1993 |
| 5193035 | Apparatus and method for phase correction of a clock signal by controlling the variable delaying thereof In a playback phase correction apparatus for a video recorder, a signal level of an input signal is compared with predetermined reference levels at times according to a playback clock signal. The apparatus operates to continuously detect whether the phase... | 03/09/1993 |
| 5134498 | Apparatus for controlling the time base of a video signal An apparatus for controlling the time base of a first video signal, for example, from a character signal generator, to be superimposed on a second video signal reproduced from a record medium, as by a VTR, and having a time base which is fluctuating, incl... | 07/28/1992 |
| 5121219 | Spindle servo utilizing a vertical sync mark In a disk recording/reproducing apparatus, phase control of a spindle servo system is made to be smaller than a range of time base control of a time base servo system, so as to obtain spindle servo phase jitter equivalent to that obtained using a horizont... | 06/09/1992 |
| 5109285 | Time base correction circuit for a reproduced video signal from a video tape recorder In a video tape recorder and reproduction apparatus, a reproduction circuit includes a switcher for generating a composite video signal composed of a multiplicity of synchronization signals from two or more video heads, a synchronization signal separator ... | 04/28/1992 |
| 5089900 | Spindle control device in optical disk recording/reproducing apparatus In an optical disk recording/reproducing apparatus, a spindle control device in which a vertical synchronizing mark is detected so as to generate a synchronizing mark detection signal. A time base reference signal is generated at the same time, that signa... | 02/18/1992 |
| 5034826 | Device for reproducing a luminance signal from a magnetic record carrier in which a first and a second correction circuit both use the same delay line A device for reproducing a luminance signal from a magnetic record carrier has a first correction circuit (14, 37) to compensate for time errors in the signal being read and a second correction circuit (14, 38) to compensate for dropouts in the signal bei... | 07/23/1991 |
| 4774597 | Quadrature head dual channel VCR Two pairs of opposing magnetic heads mounted in quadrature on a rotary drum simultaneously receive two independent video channels, one channel being quadrature-delayed with respect to the other. The heads simultaneously record the two video channels in ad... | 09/27/1988 |
| 4766506 | Processing circuit for television sync signals produced from a recording medium for preforming a non-interlaced display A television synchronizing signal processing circuit includes a reproduction/demodulation circuit for repetitively reading a video signal corresponding to one field from a video signal recording medium and demodulating the video signal and for separating ... | 08/23/1988 |
| 4754341 | Skew jump correcting circuit A skew jump correcting circuit for correcting a skew jump having a constant time interval between successive field signals in which the field signals are delayed in a variable delay line by a first delay period of time immediately after a switching point ... | 06/28/1988 |
| 4703355 | Audio to video timing equalizer method and apparatus A method and apparatus for transmitting and resynchronizing audio and video signals characterized by the encoding of audio timing signals on the video signal prior to transmission, and the decoding of the audio timing signals from the video signal after t... | 10/27/1987 |
| 4677499 | Digital time base corrector There is provided a digital time base corrector in which a digital input signal of one block consisting of a continuous data time sequence is converted to a digital signal including data lack intervals or vice versa by a variable delay circuit. A signal s... | 06/30/1987 |
| 4638375 | Video signal recording and reproducing apparatus A video signal recording and reproducing apparatus used with a disc as recording medium comprises a head assembly, a disc rotating drive for rotating the disc in relation to the head assembly, a signal path extending from an input terminal to which a vide... | 01/20/1987 |
| 4614981 | Apparatus for reproducing video signal An apparatus for reproducing a video signal by detecting a video signal recorded on a rotary recording medium. The apparatus includes a variable delay for inputting and delaying a detected video signal, a phase comparator for comparing each phase of a tim... | 09/30/1986 |
| 4544957 | Time base correction apparatus A time base correction apparatus is provided for use with a system for reproducing signals recorded on a recording medium. A first drive unit which rotates the recording medium is driven by a first control unit which receives a reference signal and contro... | 10/01/1985 |
| 4542416 | System for eliminating vertical TV picture fluctuations appearing in monitored video signals from a VTR In a rotary head magnetic recording and reproducing system, the number of horizontal synchronous signals which occur between the vertical synchronous signals are kept almost constant by delaying the video signal of the field following the one in which a s... | 09/17/1985 |
| 4539602 | Time axis correction device for multiplex information-carrying signal obtained from recording medium A time axis correction device for a recording medium player such as a video disc player, which device corrects the time axis of at least one component signal of a plurality of component signals contained in a multiplex information-carrying signal which is... | 09/03/1985 |
| 4532556 | Time-base correction of audio signals in video tape recorders The time-base corrector of this invention corrects the time-base of audio signals reproduced from video tapes without correcting the time-base of video signals which are associated with the audio signals. Reference signals such as the horizontal synchroni... | 07/30/1985 |
| 4528603 | Drum servo control with reduced head phase error during editing A head drum servo control arrangement is provided in a video tape recording and reproducing apparatus, for example, of the helical scan type, for reducing head phase error at the cut-in point on a magnetic tape during an electronic editing operation. A va... | 07/09/1985 |
| 4517610 | Multichannel signal recovery circuit A dual channel read recovery system having a high resolution channel and a low resolution channel and logic for recovering digital information from the high and low resolution signals from the channels, is improved by the inclusion of a variable delay in ... | 05/14/1985 |
| 4456932 | Horizontal skew elimination system for a VTR In a rotary head magnetic recording and reproducing system, the continuity of the horizontal synchronous signals are obtained during an abnormal reproducing mode in which the speed of the magnetic tape in the reproducing mode is different from the speed o... | 06/26/1984 |
| 4376268 | Phase locked loop having automatic-input tuning and phase control circuits An automatic phase-controlled oscillator circuit for producing an output clocking signal whose phase and frequency vary with those of an input information signal applied thereto comprises an input circuit for receiving the input information signal; a vari... | 03/08/1983 |
| 4353089 | Apparatus for correcting the time base of information recovered from a movable information storage medium Method and apparatus for recovering information from an information storage medium, such as a disc-shaped record carrier, and for correcting time base variations in the recovered information. The disc includes a plurality of substantially parallel informa... | 10/05/1982 |
| 4345279 | Time base correction apparatus A time base correction apparatus comprising: a delay means (10) for providing a first signal (E3) as an input signal (E1) delay by a given time in accordance with a frequency of a clock signal (E2); a comparator (16) which compares a signal component (E4)... | 08/17/1982 |
| 4297728 | Charged coupled device time base corrector system An improved charged coupled device time base corrector system to compensate for a change in the phase or frequency of input video signals, as occurs in the playback of a video tape recorder, by changing the nominal delay through the corrector, comprising,... | 10/27/1981 |
| 4291344 | Time base correcting system A system for correcting the time base in a fixed type magnetic recording and reproducing apparatus is disclosed. The system involves picking up video signals with a fixed head, reproducing the video signals with a demodulator, correcting time base variati... | 09/22/1981 |
| 4148079 | Correction of rapid periodic timing errors in the production of tape-recorded color television signals and the like Timing errors are detected by phase comparison of the color carrier at the line scanning frequency repetition rate and the errors so successively determined for one oblique track on the tape are loaded into an intermediate register. While a second magneti... | 04/03/1979 |
| 4101940 | Circuit for delaying a composite video signal by a line duration, particularly for use with a video record player A composite input video signal, having blanking intervals and including line sync pulses increasing the amplitude of the input signal, is applied to the circuit, is amplitude filtered, and is split into a BA-signal, which is fed to an adding stage, and li... | 07/18/1978 |
