Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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 |
| 7355620 | Digital still camera and user instruction input method There is disclosed a digital still camera in which a direction and speed of a tracing operation by user's fingertips on a touch panel are judged and a dynamic image reproduction process is executed in accordance with the direction and speed. For example, fast forwar... | 04/08/2008 |
| 7333092 | Touch pad for handheld device A media device for storing and playing media such as audio, video or images, includes a memory device configured to store a plurality of media items in a digital format. The media device also includes a display configured to present a group of media items from the p... | 02/19/2008 |
| 7312785 | Method and apparatus for accelerated scrolling Improved approaches for users to with graphical user interfaces of computing devices are disclosed. A rotational user action supplied by a user via a user input device can provide accelerated scrolling. The accelerated nature of the scrolling enables users to scroll... | 12/25/2007 |
| 7310089 | Annular potentiometric touch sensor The present invention determines angular position using a potentiometric touch sensor. The sensor has an annular pattern of resistive material on a bottom substrate top surface. Conductive drive lines radially traverse the resistive material so as to make electrical... | 12/18/2007 |
| 7249725 | Thread carrying apparatus and a textile machine, in particular a weaving machine, including a thread carrying apparatus for this kind In accordance with the invention a thread carrying apparatus is proposed with a thread (2) lying in contact with or passing along the thread carrying apparatus with friction in the operating state. The thread carrying apparatus includes excitation means (3... | 07/31/2007 |
| 7099101 | Apparatus, system, and method for determining contact with a magnetic head in a tape drive An apparatus, system, and method are disclosed for determining brush contact with a magnetic head. A digitally generated signal is provided in a system and a first gain constant is adjusted without the brush in contact with the magnetic head until the signal achieve... | 08/29/2006 |
| 7057840 | Magnetic record and playback device With a magnetic record and playback device that permits rapid switching from fast forward (FF) mode or rewind (REW) mode to playback (FWD) mode, when it is necessary to switch rapidly from fast forward (FF) mode or rewind (REW) mode to playback (FWD) mode, the devic... | 06/06/2006 |
| 7046230 | Touch pad handheld device A media player having a touch pad is disclosed. ... | 05/16/2006 |
| 7027250 | Magnetic tape head with thinfilm thermosensors for head-media interface temperature monitoring A thinfilm magnetic head for tape drives that enables onsite, real time temperature monitoring of the head-media interface. The head includes a media interface contacting a data bearing surface of the tape. A thinfilm, read-write element and a thinfilm sensor of a t... | 04/11/2006 |
| 6907360 | Closure measuring system A closure measuring system for measuring operable specifications of a door panel of an automotive vehicle. The closure measuring system includes a data sensing device adapted to be removably attached to the door panel on the vehicle for sensing and measuring a plura... | 06/14/2005 |
| 6704155 | Tape stopping mechanism In a high-speed tape winding operation of a magnetic recording and reproducing apparatus, stable tape-stopping operation without generating any damages of the tape. In addition to the mechanical braking means, a reverse braking force is applied to a drive... | 03/09/2004 |
| 6633440 | Control apparatus for recording medium traveling speed relative to playback apparatus and electronic editing apparatus A control apparatus for a recording medium traveling speed relative to a reproduction apparatus comprises a control apparatus (1B) for designing a recording medium traveling speed characteristic relative to a recording medium position of a recording mediu... | 10/14/2003 |
| 6282047 | Recording and/or reproducing apparatus A recording and/or reproducing apparatus having a plurality of tape transport modes is arranged such that, in changing a stop mode over to a desired mode through an intermediate tape transport mode among the plurality of tape transport modes, the tape is ... | 08/28/2001 |
| 6178286 | Adaptive tape drive control in a video recorder A video recorder capstan drive motor is controlled for slow-motion, freeze-frame and similar operations by setting a rate of acceleration or braking. A speed parameter is measured during an initial acceleration phase and is compared to a predetermined des... | 01/23/2001 |
| 6038094 | Digital data recording device having a rotary cylinder A plurality of digital signals having total data rates of n bit/s or less are input to a digital recording device recording digital signals having a data rate of n bit/s. The digital signals are subjected to format-conversion for the digital recording dev... | 03/14/2000 |
| 6031678 | Reproducing apparatus settable in a search reproduction mode from operation in a normal reproduction mode A reproducing apparatus having a phase-locked loop for controlling recording medium transport has selectable normal and search reproduction modes and is settable to the search reproduction mode upon an output of the phase-locked loop obtained in operation... | 02/29/2000 |
| 5986844 | Playback speed control system for a reproducing apparatus A playback speed control system for a reproducing apparatus allows a user to manually vary the playback speed of a recording medium. When a user rotates a dial of the reproducing apparatus, a frequency generator generates pulses with a frequency that matc... | 11/16/1999 |
| 5912781 | Tape speed control method and a tape unit equipped with the control method A changing rate of the ratio of the respective winding radii of the magnetic tape wound around the supply reel and the take-up reel at the same time is detected and used to control the stopping of the tape. When the changing rate exceeds a predetermined v... | 06/15/1999 |
| 5838513 | Circuit for discriminating the tape speed in speed-change playback mode A circuit discriminates the tape speed in a speed-change playback mode in a video processing system based upon the drop out signal derived from the video signal read off the tape. The circuit discerns differences between the pulse widths of the drop out s... | 11/17/1998 |
| 5835301 | Multi-track helical scanning system A head drum, as a first embodiment, for scanning a magnetic tape guided at an angle (θD) to the head drum assembly includes 2N number of video heads being divided into a first and a second groups, each group having N video heads being position... | 11/10/1998 |
| 5805371 | Monitoring tape position in a magnetic recording/reproducing apparatus A magnetic recording/reproducing apparatus includes a mechanism body, a control circuit, and a memory circuit. The mechanism body has a loading mechanism, a tape traveling mechanism, and a reel revolution count detection mechanism for outputting a signal ... | 09/08/1998 |
| 5777814 | Apparatus for preventing picture fluctuation and correcting pulse in video cassette recorder An apparatus for preventing a picture fluctuation and correcting a reverse pulse in a servo system for a video cassette recorder having a still or slow motion playback function. The apparatus comprises speed and phase error detectors for detecting speed a... | 07/07/1998 |
| 5742444 | Recording and/or reproducing apparatus for controlling the running speed of a recording tape An input data rate delivered from an external device and a recording rate at the recording system for recording data onto a recording tape by using a rotary head are compared at a rate comparison section, and a comparison result is sent to a control secti... | 04/21/1998 |
| 5691610 | Process for reducing the friction between a rotating head drum and recording medium in tape form during winding operation A process for reducing the friction between a rotating head drum and a tape-shaped recording medium which surrounds the head drum for recording and/or playing back information. In order to shorten access time to information stored on the tape-shaped recor... | 11/25/1997 |
| 5499144 | Magnetic recording/playback apparatus which shifts the head scan by a 1/2 t r In a magnetic recording/playback apparatus for recording and playing back a digital video signal on a helical track of a magnetic tape using two or more rotary heads, the playback image at the time of high-speed playback is improved by setting the tape tr... | 03/12/1996 |
| 5479302 | Single deck dual tape path VCR system A single deck dual tape path videocassette recorder/playback system enabling near simultaneous multiple functions with respect to a broadcast or cable communicated television signal. The system consists of standard elements which allow the receipt of a vi... | 12/26/1995 |
| 5477399 | Programmable tension control of a variable speed recorder A magnetic recording and/or reproducing apparatus is capable of recording or reproducing data at variable speeds. The value of the tape tension applied to a magnetic tape is set in accordance with the data rate of an input data signal received through an ... | 12/19/1995 |
| 5459622 | Device for controlling the rotation of the head drum A rotation control device including a rotary head drum drive circuit for driving rotation of a rotary head drum, a tape transport mechanism for transporting a tape in a predetermined direction relative to the rotary head drum, and a correction circuit for... | 10/17/1995 |
| 5446603 | Method of retrieving messages at selected times from a digital audio tape A scheme has been devised for retrieving audio for a selected time from a digital audio tape that has been used in a device such as a digital logger wherein audio is recorded on a intermittent basis. A record session table is created on the digital audio ... | 08/29/1995 |
| 5414568 | Variable speed digital signal reproducing apparatus A variable speed digital signal reproducing apparatus, particularly related to low speed reproduction of a digital signals recorded in a recording medium. The apparatus includes a unit for determining whether a reproduction PCM signal is renewed or not. B... | 05/09/1995 |
| 5363254 | Tape recorder capable of varying tape speed A tape recorder comprises a reproducer for reproducing an information signal recorded on a tape-shaped recording medium, a transporter for transporting the tape-shaped recording medium, a dial and a controller for setting a transport speed of the tape-sha... | 11/08/1994 |
| 5359471 | Recording and/or reproducing apparatus using rotary heads according to travelling speeds of a recording medium In a rotary head type recording and/or reproducing apparatus having an n number (n: an integer at least 3) of rotary heads for recording or reproducing signals on or from a recording medium, when the recording medium is allowed to travel at a first speed,... | 10/25/1994 |
| 5327249 | Apparatus and method for controlling the capstan motor of the video cassette recorder having function of automatic five/slow playback An apparatus and a method for controlling automatically a fine-slow in a VCR comprises a servo control device for controlling an operation of a capstan motor, a control head for detecting a control pulse from a video tape and applying the detected control... | 07/05/1994 |
| 5327304 | Tape drive controlling device A tape drive controlling device includes a first controlling circuit for driving a take-up reel for a tape on the basis of the result of a comparison between a take-up-side tension measured between the take-up reel and a head and a predetermined tension t... | 07/05/1994 |
| 5319506 | Tape recording and/or reproducing apparatus with ultrasonically vibrated tape guides In an apparatus for recording and/or reproducing signals on a tape and which is selectively operative in a plurality of modes, such as, a normal recording or playback mode, a fast-forward mode, a re-wind mode and a jog mode; the tape is driven between sup... | 06/07/1994 |
| 5317460 | Time difference slow mode control circuit A time difference slow mode control circuit of a video tape recorder for controlling a capstan motor by picking up the reproduction control signal from a magnetic tape, in the time difference slow mode, generates delayed phase-delayed pseudo reproduction ... | 05/31/1994 |
| 5313343 | Magnetic recording or reproducing apparatus A magnetic recording or reproducing apparatus for recording or reproducing a signal on or from a magnetic tape while causing the magnetic tape to travel in the state of being wrapped around a rotary head drum provided with a magnetic head. The apparatus i... | 05/17/1994 |
| 5287232 | Automatic tape searching method An automatic (auto) tape searching method which searches the required tape portion fast and automatically by repeating a sequence of operational procedures. The auto tape searching method comprises: a first stage which initializes the port of a microcompu... | 02/15/1994 |
| 5275351 | Constant tape speed controller An apparatus and method are disclosed for advancing a tape at a constant, high speed. Two detectors are provided for detecting values representative of the rotational periods of the reels at both low and high tape advance speeds. A calculator is included ... | 01/04/1994 |
| 5257147 | Method for setting tracking data of variable speed modes in a video tape recorder A method for setting tracking data of variable speed modes in a video tape recorder having an automatic tracking circuit includes the steps of detecting current tracking data at a normal speed reproducing mode after performing an automatic tracking, and t... | 10/26/1993 |
