Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7875814 | Electromagnetic digitizer sensor array structure An electromagnetic digitizer having a sensor segment that includes a generally longitudinal network of conductive lines. Two or more conductive lines are coupled in parallel. To enhance sensitivity, the adjacent lines are interconnected along the longitudinal struct... | 01/25/2011 |
| 7777137 | Device and method for transmitting shape information of image through tactile sensation using rheological fluid The tactile transmission device includes a plurality of cells arranged at regular intervals, each having a storage space therein. A contact member is installed in each of the cells, an upper portion of the contact member protruding out of the cell. An elastic member... | 08/17/2010 |
| 7400319 | Tablet apparatus A pair of piezoelectric substrates, the length of which is shorter than the length of one side in the longitudinal direction of the operation panel or the supporting board, is respectively fixed to one side from the diagonal position along the longitudinal direction... | 07/15/2008 |
| 7358964 | Electromagnetic inductive system with multi-induction loop layout and battery less pointer device and its method for locating the coordinate A multi-induction loop layout of an electromagnetic inductive system is disclosed. The multi-induction loop layout of the invention comprises a plurality of inductive loops, one terminal of each inductive loop connecting to a loop switch, and the other terminal conn... | 04/15/2008 |
| 7336266 | Haptic pads for use with user-interface devices Embodiments of the invention relate to haptic devices for use with a variety of computer/video interface devices. Such haptic devices can work in conjunction with and thereby provide “haptic augmentations” to otherwise conventional user-interface devices, includ... | 02/26/2008 |
| 7310091 | Handwriting pen capable of simulating different strokes A handwriting pen used in a tablet type handwriting entry device comprises a pen tip, a pen tip position sensor, and a pressure sensor. The pen tip position recognizer captures a main position coordinates as the pen tip taps on a tablet panel, and generates a main p... | 12/18/2007 |
| 7310088 | Input operation device An object of the present invention is to provide a novel input operation device in which multi-functionality corresponding to higher functionality of electrical equipment can be achieved along with tactile functionality suitable as a man-machine interface. An input ... | 12/18/2007 |
| 7307616 | Sensor for coordinate input device A sensor for a coordinate input device includes an x-direction loop coil group including a plurality of loop coils arranged in an x direction, each loop coil having at least two linear sections perpendicular to the x direction, and a y-direction loop coil group incl... | 12/11/2007 |
| 7292229 | Transparent digitiser A digitizer for user interaction via an object with an electronically refreshable display screen, the digitizer comprising: a transparent sensing arrangement of detectors located at said electronically refreshable display screen for detecting an electric field of sa... | 11/06/2007 |
| 7289088 | Electroluminescent display device An organic electroluminescent (EL) display device has a touch panel function and includes a display panel that has first and second light sources disposed along sides of the display portion and first and second light detecting portions disposed on sides of the displ... | 10/30/2007 |
| 7288686 | Hydrogenation catalyst and hydrogenation process A supported hydrogenation catalyst comprising (1)Pd or a Group 8 metal comprising Pd and one other Group 8 metal, preferably a Group 8 metal selected from Pt, Ir, Ru, Co or Ni, and (2) at least two metals selected from Ag, Zn or Bi, preferably Ag and at least one of... | 10/30/2007 |
| 7289109 | Method and apparatus for detecting actuation of a controller device on a touch screen A system for interactively operating with a resistive touch screen for signaling that any physical control device applied to the touch screen has been touched. A field antenna extends about the perimeter of the touch screen to emit an EM field. Each physical control... | 10/30/2007 |
| 7289111 | Resistive touch pad with multiple regions of sensitivity A touch pad for a data processing system includes a first film and an electrically conductive first thin film above the first film, a plurality of electrically non-conductive spacer dots above the first thin film, a second electrically conductive thin film above the... | 10/30/2007 |
| 7268771 | Panel display screen with touch control function A flat panel display screen includes a flat panel display screen main unit and a touch control induction layer. The touch control induction layer is placed behind the flat panel display screen, wherein the touch control induction layer is constituted by an electroma... | 09/11/2007 |
| 7265303 | Electromagnetic digitizer sensor array An electromagnetic digitizer arrangement that may include a comb-like pattern of sensing traces that form various sensing loops depending upon the configurations of various switches is described. The comb arrangement of traces may be fabricated using only a single l... | 09/04/2007 |
| 7257506 | Position detecting system and method A position detection system for locating an object including a magnetic field generator is disclosed. The position detection system also includes an array of parallel conductors responsive to a magnetic field generated by the magnetic field generator and a plurality... | 08/14/2007 |
| 7222098 | Method and system for online payments using sensor with identifier Methods and systems are disclosed which relate to online payments via interface surfaces printed with information and coded data. The coded data, encoded visibly or invisibly, may be queried by an appropriate sensing device. The sensing device communicates with a co... | 05/22/2007 |
| 7221347 | Apparatus and method to improve a response speed of an LCD An apparatus and method thereof to improve a response speed of an LCD includes a noise rejection unit and a comparator. The noise rejection unit rejects noise in current digital image data and previous digital image data at a same pixel position as in the current di... | 05/22/2007 |
| 7218314 | Coordinate input device A coordinate input device includes a coordinate input element. The coordinate input element includes a transparent coordinate detector and a controller having a control circuit which drives and controls the coordinate detector and which corrects electrostatic capaci... | 05/15/2007 |
| 7202859 | Capacitive sensing pattern A capacitive sensor is disclosed. The capacitive sensor comprises a plurality of spaced-apart X traces disposed along an X axis and a plurality of spaced-apart Y traces disposed along a Y axis with each of the Y traces forming a single crossing with each of the X tr... | 04/10/2007 |
| 7203384 | Implement for optically inferring information from a planar jotting surface The present invention relates to a jotting implement that infers hand-jotted information from a jotting surface. The hand-jotted information is any information marked on the jotting surface as a result of writing, jotting, drawing, sketching or in any other manner o... | 04/10/2007 |
| 7193617 | Acoustic contact detecting device An object of the present invention is to provide a coordinate input device of touch-type capable of giving an electric signal to a transducer, even if a piezoelectric vibrator having electrodes on both surfaces thereof is employed. A device according to the p... | 03/20/2007 |
| 7187366 | Input system with detection of coordinates A coordinate detection input system includes two first elongated electric conductors with an insulation grounding device respectively, a control circuit and two elongated electric conductors with another insulation grounding device respectively. The two elongated el... | 03/06/2007 |
| 7187369 | Acoustic touch sensor A coordinate input device of touch-type capable of giving an electric signal to a transducer, even if said transducer is disposed on a back surface of a substrate. The device contains acoustic wave transducers (piezoelectric vibrators), each functioning for oscillat... | 03/06/2007 |
| 7176907 | Device and method for pointer system of digitizer tablet The invention, an improved device and method for the pointer system of a digitizer tablet, is to repetitiously emit signals sequentially from a specific set of inductive loop when the position pointed by the wireless pointer device is located within a range formed b... | 02/13/2007 |
| 7161590 | Thin, lightweight, flexible, bright, wireless display A multilayered thin, lightweight, flexible, bright, wireless display having components capable of being manufactured by a printing method. A flexible substrate provides a support structure upon which components can be manufactured by a printing method. A display str... | 01/09/2007 |
| 7113179 | Force sensing resistor with calibration element and method of manufacturing same A force sensing resistor includes two substrates. Conductive traces including first, common, and calibration fingers are on the first substrate and define a contact area. A spacer surrounds the contact area and attaches the substrates together such that a cavity sep... | 09/26/2006 |
| 7113175 | Methods and apparatus for supplying power to touch input devices in a touch sensing system A method and apparatus for transmitting power to active touch stimulating devices associated with a touch sensing apparatus. In this invention four methods of providing power supply to the touch-input device are presented. These methods are: EM induction transmissio... | 09/26/2006 |
| 7109955 | Apparatus and method for driving multi-color light emitting display panel A driving apparatus for a multi-color light-emitting display panel including drive lines and scanning lines intersecting with each other, and capacitive light-emitting elements which have polarities connected to the scanning lines and the drive lines at the intersec... | 09/19/2006 |
| 7084860 | Method and apparatus for a touch sensitive system employing direct sequence spread spectrum (DSSS) technology A touch sensing apparatus for receiving input from one or more touch stimulating devices employs a direct sequence spread spectrum (DSSS) signaling arrangement to transmit signals from the touch stimulating devices for identification and location determination. Acti... | 08/01/2006 |
| 7058204 | Multiple camera control system A multiple camera tracking system for interfacing with an application program running on a computer is provided. The tracking system includes two or more video cameras arranged to provide different viewpoints of a region of interest, and are operable to produce a se... | 06/06/2006 |
| 7038666 | Panel sensing device and positioning location searching method of the same A panel sensing device and a positioning location searching method of the same are disclosed. A control unit serves to provide at least one reference voltage and at least one reference voltage with opposite phase. Thereby, a plurality of position blocks are defined ... | 05/02/2006 |
| 7030782 | Position detector A position detector is provided for detecting the relative movement of first and second members which are mounted for relative movement along a measuring path. One of the members comprises a magnetic field generator for generating a magnetic field and the other memb... | 04/18/2006 |
| 7027117 | Liquid crystal display apparatus In a liquid crystal display device including a liquid crystal display panel (10) including a liquid crystal layer (3) sandwiched between a first substrate (1) and a second substrate (2) having transparent electrodes (5, 6) on inner... | 04/11/2006 |
| 7019734 | Resistive touch sensor having microstructured conductive layer The present invention discloses resistive touch sensors that incorporate microstructured conductive layers. When local electrical contact is made between the microstructured conductive layer and an opposing conductive layer due to a touch input, the resulting signal... | 03/28/2006 |
| 7015401 | Image processing system with handwriting input function and the method for forming the same A digital system for mixing handwriting with an image is provided. The handwriting data is transmitted into the microprocessor of the image processing system, and then the microprocessor marks handwriting with a specific color and superimposes it on the image accord... | 03/21/2006 |
| 7012567 | Approach position input device An approach position input device includes a plurality of antennas arranged in the form of a lattice. An oscillator applies a high-frequency ac voltage to the antennas. A signal processing circuit processes signals from the antennas. A change-over switch including s... | 03/14/2006 |
| 7012704 | Position detecting device A position detecting device in which a count value is incremented or decremented on the basis of a pulse output from an encoder every predetermined shift amount of a control target to thereby detect a current value representing a current position of the control targ... | 03/14/2006 |
| 6999007 | Linear position sensor In a linear position encoder, a support is provided upon which a pair of phase quadrature windings are mounted. The windings are arranged to have a sinusoidal magnetic sensitivity characteristic along the length of the support. Mounted on a movable element there is ... | 02/14/2006 |
| 6987507 | Current feed circuit for sensor coils in coordinate input device A current feed circuit for feeding a high-frequency current to a plurality of sensor coils in a coordinate input device includes a high-frequency signal transmitting circuit for generating a high-frequency current corresponding to a high-frequency signal input; a pl... | 01/17/2006 |