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Class 345/177 - Including surface acoustic detection


Subclass of Class 345 - Computer graphics processing and selective visual display systems
Definition: Subject matter wherein the touch panel includes surface
No. of patents: 289
Last issue date: 05/08/2012


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NumberTitleIssue Date
8174511Touch panel display, electronic apparatus and playing apparatus
Disclosed herein is a touch panel display including, a flat plate-shaped movable panel unit, a movable support member, an acoustic vibration unit, and a soft member, wherein the acoustic vibration unit includes, a sound generating member, an actuator, and a hard mem...
05/08/2012
8077164Drawing apparatus
A drawing apparatus includes a CPU. Target image data is written to a drawing area of an SDRAM, and the CPU performs resolution changing processing in a descending direction on the image data of the drawing area. The result of the resolution changing processing is w...
12/13/2011
8077163Mobile device with acoustically-driven text input and method thereof
A mobile device has a housing having first and second display areas. A mic-array is integrated into the housing and has microphones operable to sense sound signals at multiple locations on the housing from a sound pen when handwriting an alphanumeric symbol on a sur...
12/13/2011
8077162Touch panel and display device
A touch panel includes: a transparent substrate on which surface acoustic wave is propagated; a transmission/reception unit that is formed in peripheral regions on the transparent substrate, each two of the peripheral regions facing each other, and transmit and rece...
12/13/2011
8059107Touch sensitive device employing bending wave vibration sensing and excitation transducers
A touch sensitive apparatus includes a touch plate to which several pickup sensors and at least one excitation transducer are coupled. Each of the sensors is configured to sense bending waves in the touch plate, and the excitation transducer is configured to induce ...
11/15/2011
8013846Touch detection
A touch detection device for detecting touches on a given surface. The inventive device includes a surface where a touch generates acoustic waves, transducers that detect these waves, a controller that calculate the location of the touch and a host device where the ...
09/06/2011
7999797Detecting and locating a touch or a tap on an input surface
A device may receive measurements from an accelerometer in relation to a tap on a surface. The device may process the measurements to obtain a signal that indicates an occurrence of the tap on the surface and may produce the location of the tap based on the processe...
08/16/2011
7982724Multiple region vibration-sensing touch sensor
The present invention provides a multiple region vibration-sensing touch sensor that incorporates at least two sets of vibration sensors on a single touch plate, each set of vibration sensors defining distinct touch regions. The vibration sensors detect vibrations i...
07/19/2011
7952568Surface acoustic wave touch panel, electrooptical device, and electronic apparatus having spacers between first and second touch panel substrates
A touch panel includes a first touch panel substrate; a second touch panel substrate disposed opposite the first touch panel substrate; at least one surface acoustic wave generator that generates a surface acoustic wave propagating across a surface of the second tou...
05/31/2011
7940253Method and system for screen navigation
A screen system includes a display, three or more sensors, a processor connected to the display and the three or more sensors, and a clock connected to the processor. When a position on a display is selected by a stylus that includes one or more emitters, the one or...
05/10/2011
7932900Touch panel device
Surface acoustic waves are propagated in a lower-left oblique direction and a lower-right oblique direction from an excitation element located on the upper side of a non-piezoelectric substrate and then received by receiving elements located on the left side and the...
04/26/2011
7920133Acoustic wave type touch panel
An acoustic wave type touch panel is equipped with: a substrate that objects contact; reflective arrays having a great number of inclined lines provided on the substrate; acoustic wave generating sections provided on the substrate; and detecting sections provided on...
04/05/2011
7916128Systems and methods for tracking impacts
Surface impacts are located and characterized based on an acoustic signal produced by the impact despite the presence of signal dispersion. Acoustic signals from the surface may be compared to acoustic signals detected external to the surface in order to eliminate s...
03/29/2011
7907129Handheld electronic device having virtual keypad input device, and associated method
An improved handheld electronic device having a virtual keypad input device includes a case, and further includes an input apparatus and a processor apparatus disposed on the case. The input apparatus includes a number of vibrational sensors that sense the vibration...
03/15/2011
7859522Touch panel device and control method and device for eliminating noises in touch panel device
A touch panel device includes an excitation transducer for exciting a surface acoustic wave upon application of a burst wave and a reception transducer for receiving the surface acoustic wave and converting the same into a reception signal that are arranged at a per...
12/28/2010
7817146Sheet, display medium unit, sheet attaching device, and sheet detaching device
The present invention provides a sheet with plural wireless measuring units, each of which, when a radio signal is sent, measures physical quantity surrounding itself by using the radio signal as an energy source, and generates and sends a radio signal having an att...
10/19/2010
7800596Handheld electronic device having virtual navigational input device, and associated method
An improved handheld electronic device having a virtual navigational input device includes a case, and further includes an input apparatus and a processor apparatus disposed on the case. The processor apparatus executes a routine that compares vibrational results of...
09/21/2010
7800595Piezoelectric transducer
The present invention provides a piezoelectric transducer that includes at least two poled piezoelectric regions disposed in a side-by-side arrangement and connected in series with the poling directions reversed through the series connection, meaning that the “nor...
09/21/2010
7764276Touch control system and apparatus with multiple acoustic coupled substrates
An apparatus and system for recognizing touch positions is comprised of multiple acoustically coupled substrates, said coupling functioning also as an environmental seal. At least one secondary substrate, with means to transmit and receive acoustic waves, is coupled...
07/27/2010
7760194Ultrasonic coordinate input apparatus and method
An ultrasonic coordinate input apparatus includes: a transmitter that transmits ultrasonic wave; and a receiver that has a function of detecting a position indicated by the transmitter, based on an ultrasonic signal received from the transmitter, while synchronizing...
07/20/2010
7750894Coordinates input system, coordinates input method, coordinates input program, and computer-readable storage medium
A first arithmetic section is provided that calculates a first time, which is a time period from a transmission timing of a ultrasonic wave to a reception recognized timing at which a wave height value of the ultrasonic wave received by an ultrasonic wave receiving ...
07/06/2010
7705836Touch panel device
A plurality of excitation elements are disposed on two facing sides of a quadrilateral detection range in a non-piezoelectric substrate, and a plurality of receiving elements are disposed on the other two sides of the detection range so as to face the excitation ele...
04/27/2010
7683894Acoustic condition sensor employing a plurality of mutually non-orthogonal waves
A contact sensitive device and method of operation, comprising a member capable of supporting propagation of vibrations; at least one sensor mounted on the member for measuring vibrations in the member, wherein the at least one sensor transduces a vibration into an ...
03/23/2010
7667694Touch panel device and contract position detection method
A burst wave is applied to an excitation element of a touch panel main body from an oscillation section so as to excite surface acoustic waves, and the excited surface acoustic waves are received by a receiving element of the touch panel main body. The received sign...
02/23/2010
7659889Touch panel device
A touch panel device including: a substrate; a first sender element for sending surface acoustic wave, which is placed along a first direction on the substrate; a second sender element for sending surface acoustic wave, which is placed along a second direction, orth...
02/09/2010
7646379Wireless and contactless electronic input stylus having at least one button with optical scan and programmable pointer functionality
A stylus input device, a stylus input device with display, and a method for entering input into a computer system are provided. The stylus is preferably used as a pointer that points to a particular region on an electronic display, and one or more buttons on the sty...
01/12/2010
7643015Systems and methods for tracking impacts
Surface impacts are located and characterized based on an acoustic signal produced by the impact despite the presence of signal dispersion. Acoustic signals from the surface may be compared to acoustic signals detected external to the surface in order to eliminate s...
01/05/2010
7626579Sanitizing a touch panel surface
A touch panel system that sanitizes a touch panel surface includes a substrate coupled to the touch panel surface. The system further includes an impedance interface coupled to the touch panel surface and a vibration source coupled to the impedance interface. The vi...
12/01/2009
7593005Touch detection system
A touch detection using wavelet algorithm for detecting touches on a surface by receiving acoustic waves generated by the touch and performing signal analysis on these acoustic waves using wavelet transformation where the storage requirement for reference signal is ...
09/22/2009
7573466Method and apparatus for data entry for a liquid crystal display
A touch screen for LCDs which uses a plurality of shockwave detectors disposed around the periphery of the viewing area to detect the location of a touch or tap which is the point of origin of an expanding shockwave. ...
08/11/2009
7570252Pen input/display device
When a display panel is in contact with the pen tip of an input pen, an infrared receiver and at least two ultrasonic receivers, provided on the display panel, receive respectively an infrared signal and an ultrasonic signal simultaneously transmitted from an infrar...
08/04/2009
7511704Acoustic wave touch bar system and method of use
Certain embodiments provide an acoustic wave touch bar system and method of use. Certain embodiments include a bar having two portions of reduced cross-section forming an acoustic cavity in the portion of the bar between the reduced cross-sections. The system includ...
03/31/2009
7499039Iterative method for determining touch location
A touch sensitive device uses an iterative method for determining the location of a touch on a touch sensitive surface. The touch sensitive device includes a touch plate and a plurality of sensors configured to sense vibrations propagating in the touch plate. Signal...
03/03/2009
7463249Acoustic wave touch actuated switch with feedback
An acoustic wave switch includes a substrate with an acoustic wave cavity formed therein such that the mass per unit area of the acoustic cavity is greater than the mass per unit area of the substrate adjacent the cavity. A transducer is mounted on the acoustic cavi...
12/09/2008
7456825Acoustic touch sensor with low-profile diffractive grating transducer assembly
A touch sensor having an acoustic substrate, an acoustic transducer, and an acoustically diffractive grating is provided. The grating is disposed between the transducer and the substrate, so that acoustic energy from the transducer is coupled to an acoustic wave pro...
11/25/2008
7436393Touch panel for display device
A touch panel for a display device integrates functionality provided by resistive-type and EM-type touch panels. The touch panel is integrated with the display device and includes a resisitve-type touch panel arranged above the display device and an EM-type touch pa...
10/14/2008
7423636Touch panel device and method for manufacturing touch panel devices
Each of transducers of a touch panel device includes a piezoelectric thin film, a plate electrode disposed at one surface of the piezoelectric thin film and a comb-like electrode disposed at the other surface of the piezoelectric thin film. The comb-like electrode h...
09/09/2008
7411581Touch pad
A touch pad (101) includes transducers (201-204) for receiving acoustic signals resulting from touch events, such as the continuous movement of a fingertip across the surface (105) of the touch pad. The acoustic signals are acquired at di...
08/12/2008
7411584Touch sensitive device employing bending wave vibration sensing and excitation transducers
A touch sensitive apparatus includes a touch plate to which several pickup sensors and at least one excitation transducer are coupled. Each of the sensors is configured to sense bending waves in the touch plate, and the excitation transducer is configured to induce ...
08/12/2008
7400319Tablet 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
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