Dual Scanning with Automatic Gain Control
Granted: February 13, 2014
Application Number:
20140043251
A method and apparatus perform a first scan of an input device and determine that a first signal profile received through the first scan is outside a range of a reference signal profile. The method and apparatus perform a second scan of the input device responsive to the first signal profile being outside the range of the reference signal profile and use a second signal profile received through the second scan to detect a presence of an input object at least proximate to the input…
Capacitance Scanning Proximity Detection
Granted: February 6, 2014
Application Number:
20140035871
A method and apparatus for scanning a first set of electrodes of a capacitive sense array using a first sensing mode to identify a presence of an object in proximity to the capacitive sense array, where scanning using the first sensing mode identifies objects not in physical contact with the capacitive sense array. The first set of electrodes is scanned using a second sensing mode to determine a location of the object in relation to the capacitive sense array, where rescanning using the…
EDGE-BY-EDGE INTEGRATION AND CONVERSION
Granted: January 16, 2014
Application Number:
20140015768
An apparatus includes a transmission system configured to transmit a drive signal to a touch screen device. The apparatus also includes a reception system configured to integrate an output signal received from a touch screen device in response to the drive signals and to filter the integrated output signal to suppress noise in the output signal, wherein the reception system is configured to integrate the output signal for a period of time that is less than or equal to a signal period…
MEMORY CONTROLLER DEVICES, SYSTEMS AND METHODS FOR HIGH RELIABILITY MEMORY DEVICES
Granted: January 2, 2014
Application Number:
20140006730
A device can include a controller interface having at least one controller data output configured to output read data, and at least one controller data input configured to receive write data; and a memory device interface having a write data output configured to transmit the write data on rising and falling edges of a periodic signal, and a read data input configured to receive the read data at a same transmission rate as the write data.
METHODS AND APPARATUS TO DETERMINE POSITION OF AN INPUT OBJECT
Granted: January 2, 2014
Application Number:
20140002409
A method and apparatus receive a plurality of signal values, the plurality of signal values responsive to an input object. The method and apparatus calculate at least one signal ratio value using the plurality of signal values and determine a position of the input object using the at least one signal ratio value.
DEVICES AND METHODS HAVING CAPACITANCE SENSE STRUCTURE FORMED OVER HOUSING SURFACE
Granted: January 2, 2014
Application Number:
20140002112
A device can include a molded housing having at least a first surface, and configured to contain electronic components; a capacitance sense structure attached to the first surface; and a capacitance sensing circuit comprising at least one integrated circuit device electrically coupled to the capacitance sense structure.
SONOS ONO STACK SCALING
Granted: November 21, 2013
Application Number:
20130307052
A method of scaling a nonvolatile trapped-charge memory device and the device made thereby is provided. In an embodiment, the method includes forming a channel region including polysilicon electrically connecting a source region and a drain region in a substrate. A tunneling layer is formed on the substrate over the channel region by oxidizing the substrate to form an oxide film and nitridizing the oxide film. A multi-layer charge trapping layer including an oxygen-rich first layer and…
RADICAL OXIDATION PROCESS FOR FABRICATING A NONVOLATILE CHARGE TRAP MEMORY DEVICE
Granted: November 21, 2013
Application Number:
20130309826
A method for fabricating a nonvolatile charge trap memory device is described. The method includes subjecting a substrate to a first oxidation process to form a tunnel oxide layer overlying a polysilicon channel, and forming over the tunnel oxide layer a multi-layer charge storing layer comprising an oxygen-rich, first layer comprising a nitride, and an oxygen-lean, second layer comprising a nitride on the first layer. The substrate is then subjected to a second oxidation process to…
DYNAMIC MODE SWITCHING FOR FAST TOUCH RESPONSE
Granted: November 21, 2013
Application Number:
20130307823
A method of operating a touch-sensing surface may include performing a first scan of a first set of electrodes of a touch-sensing surface, determining a presence of at least one conductive object proximate to the touch-sensing surface, in response to determining the presence of the at least one conductive object, performing a second scan of a second set of electrodes of the touch-sensing surface, and repeating the performing the second scan until the at least one conductive object is no…
MEMORY TRANSISTOR WITH MULTIPLE CHARGE STORING LAYERS AND A HIGH WORK FUNCTION GATE ELECTRODE
Granted: November 21, 2013
Application Number:
20130307053
A semiconductor devices including non-volatile memories and methods of fabricating the same to improve performance thereof are provided. Generally, the device includes a memory transistor comprising a polysilicon channel region electrically connecting a source region and a drain region formed in a substrate, an oxide-nitride-nitride-oxide (ONNO) stack disposed above the channel region, and a high work function gate electrode formed over a surface of the ONNO stack. In one embodiment the…
Nonvolatile Charge Trap Memory Device Having A Deuterated Layer In A Multi-Layer Charge-Trapping Region
Granted: November 21, 2013
Application Number:
20130306975
Scaling a charge trap memory device and the article made thereby. In one embodiment, the charge trap memory device includes a substrate having a source region, a drain region, and a channel region electrically connecting the source and drain. A tunnel dielectric layer is disposed above the substrate over the channel region, and a multi-layer charge-trapping region disposed on the tunnel dielectric layer. The multi-layer charge-trapping region includes a first deuterated layer disposed on…
Graphical User Interface for Display of System Resistance
Granted: November 7, 2013
Application Number:
20130298100
Techniques for determining resistances of analog routes in electronic designs are described herein. In an example embodiment, a computer system receives first user input that indicates, in a user interface, a first component in an electronic design. The electronic design has been placed and routed for a programmable target device. The computer system receives second user input that selects, in the user interface, a particular component from one or more second components of the electronic…
SLEW RATE AND BANDWIDTH ENHANCEMENT IN RESET
Granted: October 24, 2013
Application Number:
20130278334
Embodiments of a capacitance sensing system including an integrating amplifier and methods for operating the same to provide a higher slew rate and bandwidth are described. In one embodiment, the integrating amplifier comprises an input stage including an inverting input coupled to an electrode of a capacitor to sense a capacitance and a non-inverting input coupled to a reference potential, and an output stage including a compensating capacitor coupled to an output. The compensating…
SYSTEMS AND METHODS FOR STARTING UP ANALOG CIRCUITS
Granted: October 10, 2013
Application Number:
20130265089
Circuits, systems, and methods for starting up analog devices are provided. One circuit includes an output node at an output voltage (VOUT), a comparator configured to be coupled to a reference voltage (VREF), a feedback loop coupling the output node to the comparator, and a turbo circuit coupled between the output and the output node. The turbo circuit is configured to increase VOUT, the comparator is configured to compare VOUT and VREF, and the turbo circuit is enabled and disabled…
SYSTEMS AND METHODS FOR SWITCHING BETWEEN VOLTAGES
Granted: September 26, 2013
Application Number:
20130249314
Systems and methods for switching between voltages are provided. One system includes an output, first and second switches coupled to the output. The system also includes a first transmission gate coupled to the first switch and a second transmission gate coupled to the second switch. One method includes receiving, at the first transmission gate, a first pair of complementary voltages and receiving, at the second transmission gate, a second pair of complementary voltages. The method…
Touch Sensor Driver With Selectable Charge Source
Granted: September 19, 2013
Application Number:
20130241630
An apparatus may include an internal charge pump within an integrated circuit package, an external pin positioned at an exterior of the integrated circuit package, and a select circuit configured to operate independently from the internal charge pump and located within the integrated circuit package, wherein the select circuit is configurable to selectively couple at least one of the internal charge pump and the external pin to a transmit (TX) sensor electrode.
FALSE TOUCH FILTERING FOR CAPACITANCE SENSING SYSTEMS
Granted: September 12, 2013
Application Number:
20130234978
Apparatuses and methods of false touch filtering are described. One device includes a controller and a capacitance sensing array including multiple sense elements (e.g., intersections of TX and RX electrodes). The controller includes a capacitance sensing circuit coupled to the capacitance sensing array, and a filter circuit coupled to the output of the capacitance sensing circuit. The controller is configured to receive, from the capacitance sensing circuit, data representing…
Close Touch Detection and Tracking
Granted: August 29, 2013
Application Number:
20130222331
A method of tracking touches at a touch-sensing surface may include, detecting an initial location of a first contact and an initial location of a second contact at the touch-sensing surface based on a first scan of a touch-sensing surface, detecting a plurality of signal levels caused by the first contact and the second contact during a second scan of the touch-sensing surface, identifying a first signal level of the plurality of signal levels as a local maximum, and locating a lost…
MEMORY DEVICES AND METHODS FOR HIGH RANDOM TRANSACTION RATE
Granted: August 29, 2013
Application Number:
20130223165
A memory device can include a random access memory array configured to store data values; a plurality of bi-directional ports, configured to transfer data values into and out of the memory device on rising and falling transitions of at least one access clock signal; and at least one address bus configured to receive at least a portion of address values to random access locations on rising and falling transitions a timing clock signal having the same frequency as the access clock signal.
CIRCUITS, SYSTEMS, AND METHODS FOR PROCESSING THE PROXIMITY OF LARGE OBJECTS, INCLUDING LARGE OBJECTS ON TOUCH SCREENS
Granted: August 29, 2013
Application Number:
20130222332
A method of sensing at least one object in proximity to an array of sensors can include making a determination that an object greater than a predetermined size has been detected; defining an ignore zone that includes sensor locations of the object and sensor locations surrounding those of the object; and removing the ignore zone after a predetermined duration; wherein the proximity of objects outside of the ignore zone are processed differently than the proximity of objects inside of the…
