Patents Assigned to Cypress Semiconductor
  • Patent number: 8319505
    Abstract: Capacitance measurement circuits for measuring self and mutual capacitances are described. In one embodiment the capacitance measurement circuit includes: a first electrode capacitively coupled with a second electrode; a first plurality of switches coupled with the first electrode; and a second plurality of switches coupled with the second electrode, wherein, during a first operation stage, the first plurality of switches is configured to apply a first initial voltage to the first electrode and the second plurality of switches is configured to apply a second initial voltage to the second electrode, and wherein, during a second operation stage, the first plurality of switches is configured to connect the first electrode with a measurement circuit, and the second plurality of switches is configured to connect the second electrode with a constant voltage.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: November 27, 2012
    Assignee: Cypress Semiconductor Corporation
    Inventor: Andriy Maharyta
  • Patent number: 8318547
    Abstract: In one embodiment, an integrated circuit package includes a lead frame with a die paddle and several leads. Portions of the lead frame not having an external electrical connection may be thinned such that they may be encapsulated by an electrically insulating packaging material on the back of the lead frame. Portions of the lead frame having external electrical connections may have a thickness such that they are exposed through the packaging material. The lead frame may be covered by an electrically insulating cover to protect components on the lead frame from erroneous electrical contact or electro-static discharge (ESD) damage.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: November 27, 2012
    Assignee: Cypress Semiconductor Corporation
    Inventors: Brett Alan Spurlock, Carlo Melendez, Bo Soon Chang
  • Patent number: 8318608
    Abstract: A method for fabricating a nonvolatile charge trap memory device is described. The method includes providing a substrate having a charge-trapping layer disposed thereon. A portion of the charge-trapping layer is then oxidized to form a blocking dielectric layer above the charge-trapping layer by exposing the charge-trapping layer to a radical oxidation process.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: November 27, 2012
    Assignee: Cypress Semiconductor Corporation
    Inventors: Krishnaswamy Ramkumar, Sagy Levy, Jeong Byun
  • Patent number: 8315096
    Abstract: The state of a volatile memory cell is set by grounding a power supply to the volatile memory cell and driving a first bit line to the volatile memory cell to a first defined state. The first defined state of the first bit line is controllable independently of a defined state of a second bit line to the volatile memory cell. A word line of the volatile memory cell is driven to a word line state, and the power supply to the volatile memory cell is ungrounded.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: November 20, 2012
    Assignee: Cypress Semiconductor Corporation
    Inventors: James D Allan, Jayant Ashokkumar
  • Patent number: 8316158
    Abstract: Methods and a system of configuring a programmable device using a DMA controller are disclosed. In one embodiment, a method includes generating a direct memory access (DMA) request to a direct memory access (DMA) controller in response to a reset of the programmable device. The method further includes automatically loading configuration data of the programmable device to configuration registers of the programmable device using the DMA controller.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: November 20, 2012
    Assignee: Cypress Semiconductor Corporation
    Inventors: David Wright, Warren Snyder
  • Patent number: 8315832
    Abstract: An embodiment of the present invention is directed to a method for reporting position information. Position information received from a plurality of capacitive sensors in an array of capacitive sensors is adjusted based on predetermined adjustment values to generate adjusted position information. Each predetermined adjustment value is associated with at least one of the plurality of capacitive sensors. A signal representative of the adjusted position information is generated. In another embodiment, the sensitivity of at least one of the capacitive sensors is adjusted based on the position of the at least one capacitive sensor within the array.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: November 20, 2012
    Assignee: Cypress Semiconductor Corporation
    Inventor: Ryan D. Seguine
  • Patent number: 8315269
    Abstract: A system for transferring data files between a host device and a secondary device can include a bridge device forming at least a portion of the secondary device. The bridge device can have a de-multiplex (de-MUX) data path with an input coupled to a host interface (I/F), a first output coupled to a storage I/F and a second output coupled to a processor I/F. A controller circuit can have control inputs coupled to receive configuration commands from the processor I/F and control outputs coupled to control terminals of the de-MUX data path. The controller circuit enables and maintaining a data path between the host I/F and the first output of the de-MUX data path for a predetermined number of data transfers in response to at least a first configuration data input.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: November 20, 2012
    Assignee: Cypress Semiconductor Corporation
    Inventors: Jagadeesan Rajamanickam, Dinesh Maheshwari, Stephen Henry Kolokowsky, Pradeep Kumar Bajpai
  • Patent number: 8314774
    Abstract: One embodiment relates to a user input device for tracking motion. The device includes a tracking ball and a user-accessible touching area for user manipulation of the tracking ball. First and second two-dimensional sensors are positioned at tracking heights away from the tracking ball. The first two-dimensional sensor may be positioned across the tracking ball and opposite to the user-accessible touching area. The second two-dimensional sensor may be positioned at an angle with respect to a z-axis defined as extending from the user-accessible touching area through a center of the tracking ball to the first two-dimensional sensor. Other embodiments, aspects and features are also disclosed.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: November 20, 2012
    Assignee: Cypress Semiconductor Corporation
    Inventors: Ke-Cai Zeng, Yansun Xu, John Frame, Brett A. Spurlock, Steven Sanders
  • Publication number: 20120286800
    Abstract: A capacitance sensing circuit may include a switching circuit configured to generate a sensor current by charging and discharging a capacitive sensor electrode, and a current mirror that generates a mirror current based on the sensor current. Based on the mirror current, a measurement circuit generates an output signal representative of a capacitance of the capacitive sensor electrode.
    Type: Application
    Filed: April 10, 2012
    Publication date: November 15, 2012
    Applicant: CYPRESS SEMICONDUCTOR CORPORATION
    Inventors: Andriy Maharyta, Andriy Ryshtun
  • Patent number: 8310201
    Abstract: An electronic containment battery includes a battery section and an electronic section that together form a standard battery form factor that allows insertion into conventional electronic devices. In one example, the electronic section can include Radio Frequency (RF) circuitry that enables electronic operations in the electronic containment battery to be communicated or controlled wirelessly. In another example, the electronic section can include wireless charging circuitry that enables the battery section to be wirelessly charged while the EC battery is inserted into the conventional electronic device. In yet another example, the electronic section can include the RF circuitry and the wireless charging circuitry.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: November 13, 2012
    Assignee: Cypress Semiconductor Corporation
    Inventor: David G. Wright
  • Patent number: 8299951
    Abstract: A system and method are provided for operating first and second components in first and second domains. In one embodiment, the method includes: generating a plurality of clock signals shifted relative to one another; operating a first component in a first domain using a first one of the plurality of clock signals; operating a second component in a second domain using a second one of the plurality of clock signals selected using a selection component; and comparing a present output of the second component to a stored value, determining whether a variation between the present output and the stored value is greater than a threshold, and, if the variation is greater than the threshold, using a controller to cause the selection component to select a third clock signal from the plurality of clock signals that is shifted relative to the second clock signal to drive the second component.
    Type: Grant
    Filed: May 9, 2011
    Date of Patent: October 30, 2012
    Assignee: Cypress Semiconductor Corporation
    Inventors: Harold Kutz, Timothy Williams
  • Patent number: 8300683
    Abstract: Embodiments of the invention are generally directed to a high-speed differential energy difference integrator (EDI) for adaptive equalizers. In an embodiment, the EDI includes two differential full-wave rectifiers providing differential outputs that are cross-coupled to the inputs of an integration capacitor. In one embodiment, the active areas of the transistors of the differential full-wave rectifiers are substantially the same.
    Type: Grant
    Filed: August 13, 2008
    Date of Patent: October 30, 2012
    Assignee: Cypress Semiconductor Corporation
    Inventor: Dusan Vecera
  • Patent number: 8299850
    Abstract: A programmable device includes an operational amplifier and circuitry. The operational amplifier is configured to generate an output voltage based on input voltages at input terminals thereof. The circuitry is configured to provide the input voltages to the operational amplifier. The configuration of the circuitry allows the programmable device to implement discrete-time or continuous-time functions. The circuitry includes a resistor network and a capacitor network configured to be selectively coupled to the operational amplifier.
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: October 30, 2012
    Assignee: Cypress Semiconductor Corporation
    Inventors: Harold Kutz, Warren Snyder, Monte Mar, Dennis Seguine, Gajender Rohilla, Eashwar Thiagarajan
  • Publication number: 20120268142
    Abstract: Embodiments described herein provide capacitive sensor devices and methods for operating capacitive sensor devices. A first number of electrodes on the capacitive sensor array is activated. A signal is received from each of the first number of electrodes with a second number of receiver circuits on a controller associated with the capacitive sensor array. The first number is greater than the second number. It is determined if an object is proximate the capacitive sensor array based on the signals received from the first number of electrodes.
    Type: Application
    Filed: September 28, 2011
    Publication date: October 25, 2012
    Applicant: CYPRESS SEMICONDUCTOR CORPORATION
    Inventors: Viktor Kremin, Roman Ogirko
  • Patent number: 8294687
    Abstract: 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 capacitances of the sense elements, process the data to identify activated sense elements, and filter the data to remove false touch events based on a spatial relationship of activated sense elements.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: October 23, 2012
    Assignee: Cypress Semiconductor Corporation
    Inventor: Petro Ksondzyk
  • Patent number: 8290109
    Abstract: An apparatus having a plurality of power supply domains and a plurality of logic components. Each of the plurality of logic components residing within a different one of the plurality of power supply domains. Each of the plurality of logic components is configured to operate with a corresponding clock signal within a respective one of the plurality of power supply domains.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: October 16, 2012
    Assignee: Cypress Semiconductor Corporation
    Inventor: Gabriel Li
  • Publication number: 20120256642
    Abstract: Embodiments described herein provide capacitance sensing devices and methods for forming such devices. The capacitance sensing devices include a substrate having a central and an outer portion. A plurality of substantially co-planar electrodes are on the central portion substrate. A first plurality of conductors are on the substrate. Each of the first plurality of conductors has a first end portion electrically connected to one of the plurality of electrodes and a second end portion on the outer portion of the substrate. An insulating material is coupled to the second end portions of the first plurality of conductors. A second plurality of conductors are coupled to the insulating material. Each of the second plurality of conductors is electrically connected to the second end portion of at least some of the first plurality of conductors and is insulated from the second end portion of the others of the first plurality of conductors.
    Type: Application
    Filed: June 20, 2012
    Publication date: October 11, 2012
    Applicant: CYPRESS SEMICONDUCTOR CORPORATION
    Inventors: Massoud Badaye, Peter G. Vavaroutsos, John Carey, Patrick Prendergast
  • Publication number: 20120256638
    Abstract: An embodiment of a method for detecting noise for a capacitance sensing panel may comprise generating an input signal based on a noise signal, performing a series of measurements for measuring capacitances from a capacitive sensor sensitive to the noise signal, and controlling timing for at least one of the subconversions based on the input signal.
    Type: Application
    Filed: December 2, 2011
    Publication date: October 11, 2012
    Applicant: CYPRESS SEMICONDUCTOR CORPORATION
    Inventors: Hans Van Antwerpen, Scott Swindle, Aaron Hogan, Paul Kelleher
  • Publication number: 20120255167
    Abstract: Embodiments for constructing capacitance sensing devices include, but are not limited to, forming a plurality of electrodes on a central portion of a substrate, the substrate comprising a central portion and an outer portion, forming a first plurality of conductors on the substrate, each of the first plurality of conductors being connected to and extending from at least one of the plurality of electrodes, and forming an insulating material on the outer portion of the substrate and at least partially over some of the first plurality of conductors. The constructing also includes forming a second plurality of conductors on the insulating material, wherein the second plurality of conductors and the insulating material are configured such that each of the second plurality of conductors is electrically connected to at least some of the first plurality of conductors and is insulated from the others of the first plurality of conductors.
    Type: Application
    Filed: June 20, 2012
    Publication date: October 11, 2012
    Applicant: CYPRESS SEMICONDUCTOR CORPORATION
    Inventors: Massoud Badaye, Peter Vavaroutsos, John Carey, Patrick Prendergast
  • Publication number: 20120256869
    Abstract: An active integrator for sensing capacitance of a touch sense array is disclosed. The active integrator is configured to receive from the touch sense array a response signal having a positive portion and a negative portion. The response signal is representative of a presence or an absence of a conductive object on the touch sense array. The active integrator is configured to continuously integrate the response signal.
    Type: Application
    Filed: September 30, 2011
    Publication date: October 11, 2012
    Applicant: Cypress Semiconductor Corporation
    Inventors: Paul Walsh, Hans W. Klein, Keith O'Donoghue, Erik Anderson, Erhan Hancioglu, Gajender Rohilla