Patents Assigned to Cypress Semiconductor
  • System and method to enable reading from non-volatile memory devices
    Patent number: 8780640
    Abstract: A system and method to enable reading from non-volatile memory (NVM) devices is described. In one embodiment, the method includes setting a sensing parameter used to read data stored in a NVM device, reading from pluralities of locations of the NVM device with the sensing parameter set at the first value. The locations of the NVM device store an identical value. The method also includes verifying whether the identical value is read correctly from the locations of the NVM device. The method also includes setting the sensing parameter to a second value when the identical value is not read correctly with the sensing parameter set at the first value. The method further includes determining a third value for the sensing parameter from the identical value and setting the sensing parameter to the third value when the identical value is read correctly.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: July 15, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventor: Paul F. Ruths
  • Mutual capacitance sensing using a self-capacitance sensing device
    Patent number: 8779783
    Abstract: Apparatuses and methods of mutual-capacitance sensing with a capacitance-sensing circuit, such as a self-capacitance sensing device (CSD). One apparatus includes an input node coupled to a capacitance sense pin to couple to a first electrode of a sense array, a transmit (TX) signal generation circuit to generate a TX signal to drive a second electrode of the sense array, logic circuitry coupled to the TX signal generation circuit and the input node. The logic circuitry is configured to selectively couple a first capacitor to the input node and a second capacitor to the input node timed with the TX signal. The apparatus further includes an analog-to-digital converter (ADC) coupled to receive a receive (RX) signal from the input node and to convert the RX signal into a digital value, the digital value representing a mutual capacitance between the first electrode and the second electrode.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: July 15, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventors: Carl F Liepold, Hans Van Antwerpen, John Kizziar, Hans Klein
  • SYSTEM AND METHOD FOR CONTROLLING A LIGHT EMITTING DIODE FIXTURE
    Publication number: 20140191675
    Abstract: One embodiment in accordance with the invention can include a circuit for controlling a light emitting diode (LED) lighting fixture via a power line. The circuit can include a power switch coupled to the power line and is for outputting a firing angle. Additionally, the circuit can include a control circuit coupled to the power switch and is for implementing firing angle control of the power switch. Furthermore, the circuit can include a translator coupled to receive the firing angle and for mapping the firing angle to a function of the LED lighting fixture.
    Type: Application
    Filed: November 14, 2013
    Publication date: July 10, 2014
    Applicant: Cypress Semiconductor Corporation
    Inventors: Kedar Godbole, Douglas Vargha
  • Tail Effect Correction for SLIM Pattern Touch Panels
    Publication number: 20140192027
    Abstract: Techniques for correcting tail effect are described herein. In an example embodiment, a device comprises a sensor coupled with a processing logic. The sensor is configured to measure a plurality of measurements from a sensor array, where the measurements are representative of a conductive object that is in contact with or proximate to the sensor array. The sensor array comprises RX electrodes and TX electrodes that are interleaved without intersecting each other in a single layer on a substrate of the sensor array. The processing logic is configured to determine a set of adjustment values that correspond to a tail effect associated with the measurements, and to generate adjusted measurements based on the set of adjustment values, where the adjusted measurements correct a parasitic signal change of the tail effect.
    Type: Application
    Filed: September 26, 2013
    Publication date: July 10, 2014
    Applicant: Cypress Semiconductor Corporation
    Inventors: Petro Ksondzyk, Vasyl Mandziy, Igor Kolych, Massoud Badaye
  • Touch Identification for Multi-Touch Technology
    Publication number: 20140191995
    Abstract: A first plurality of contact locations may be determined in view of a first scan of a touch-sensing surface and a second plurality of contact locations may be determined in view of a second scan of the touch-sensing surface. A number of total contact locations may be identified in view of the first plurality of contact locations and the second plurality of contact locations. Furthermore, a first correlation process may be performed when the number of total contact locations satisfies a threshold number and a second correlation process may be performed when the number of total contact locations does not satisfy the threshold number.
    Type: Application
    Filed: December 26, 2013
    Publication date: July 10, 2014
    Applicant: Cypress Semiconductor Corporation
    Inventors: Oleksandr Karpin, Volodymyr Hutnyk
  • STYLUS AND RELATED HUMAN INTERFACE DEVICES WITH DYNAMIC POWER CONTROL CIRCUITS
    Publication number: 20140192030
    Abstract: A device comprising a body comprising an elongated housing with at least a first conductive tip formed at a distal end and at least one sense electrode on the body; a capacitance sense circuit disposed within the housing and configured to sense a capacitance of the sense electrode to generate a proximity result in response to contact with a human body; and a signal generator circuit disposed within the housing and configured to activate a position signal in response to the proximity result, the position signal being driven at the tip of the device
    Type: Application
    Filed: September 24, 2013
    Publication date: July 10, 2014
    Applicant: CYPRESS SEMICONDUCTOR CORPORATION
    Inventors: Andriy Ryshtun, Victor Kremin, David G. Wright
  • Inline method to monitor ONO stack quality
    Patent number: 8772059
    Abstract: Embodiments of structures and methods for determining operating characteristics of a non-volatile memory transistor comprising a charge-storage-layer and a tunneling-layer are described.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: July 8, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventors: Yu Yang, Krishnaswamy Ramkumar
  • Biometric identification devices, methods and systems having touch surfaces
    Patent number: 8773390
    Abstract: A system may include a touch surface comprising a plurality of capacitance sensors; and processing circuits operable in a finger touch mode that detects finger touches as user input values, and biometric identification mode that detects a shape value of at least a portion of a user hand, and compares the shape value to stored biometric identification values.
    Type: Grant
    Filed: April 26, 2010
    Date of Patent: July 8, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventor: Paul Gerald Clark
  • Systems and methods for sensing in memory devices
    Patent number: 8773913
    Abstract: Memory circuits and systems are provided. One memory circuit includes an active memory device, an inactive memory device, and a sense amplifier coupled between the active memory device and the inactive memory device. A reference current is coupled between the inactive memory device and the sense amplifier. The active memory device and the inactive memory device are the same type of memory device and the inactive memory device is a reference device with respect to the active memory device's current. A memory system includes a plurality of the above memory circuit coupled to one another. Methods for sensing current in a memory circuit are also provided. One method includes supplying power to a first memory device and comparing the amount of current in the first memory device and a reference current coupled to a second memory device that is the same type of memory device as the first memory device.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: July 8, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventors: Cristinel Zonte, Vijay Raghavan
  • Waterproof scanning of a capacitive sense array
    Patent number: 8773146
    Abstract: A water-resistant capacitance sensing apparatus comprising a plurality of capacitive sense elements and a capacitance sensing circuit configured to measure both the mutual capacitance and self-capacitance on the plurality of capacitive sense elements. A method for water-resistant capacitance sensing, the method comprising performing a self-capacitance scan and a mutual capacitance scan, and detecting, by a processing device, a presence of an object with the plurality of sense elements. The method further determines whether the detected presence of the object is legitimate.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: July 8, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventors: Michael Patrick Hills, Volodymyr Burkovskyy, Oleksandr Karpin, Seok Pyong Park, Patrick Prendergast
  • Digital driving circuits, methods and systems for liquid crystal display devices
    Patent number: 8773420
    Abstract: A method may include controlling a display device in at least first mode by varying a correlation between display driver signals applied across display segments within the display device; wherein the display driver signals vary between substantially only two levels, and a display segment is activated when an average voltage magnitude across the segment over a time period exceeds a threshold value.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: July 8, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventors: David Van Ess, Christopher C. Keeser, Robert L. Murphy, David G. Wright
  • Inline method to monitor ONO stack quality
    Patent number: 8772057
    Abstract: Structures and methods are provided for determining operating characteristics of a non-volatile memory transistor comprising a charge-storage-layer and a tunneling-layer. In one embodiment, the method comprises: forming a structure including a charge-storage-layer overlying a tunneling-layer on a substrate; depositing a positive charge on the charge-storage-layer and determining a first voltage to establish a first leakage current through the charge-storage-layer and the tunneling-layer; depositing a negative charge on the charge-storage-layer and determining a second voltage to establish a second leakage current through the charge-storage-layer and the tunneling-layer; and determining a differential voltage by calculating a difference between the first and second voltages. Other embodiments are also disclosed.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: July 8, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventor: Yu Yang
  • Stylus and related human interface devices with dynamic power control circuits
    Patent number: 8773405
    Abstract: A device comprising a body comprising an elongated housing with at least a first conductive tip formed at a distal end and at least one sense electrode on the body; a capacitance sense circuit disposed within the housing and configured to sense a capacitance of the sense electrode to generate a proximity result in response to contact with a human body; and a signal generator circuit disposed within the housing and configured to activate a position signal in response to the proximity result, the position signal being driven at the tip of the device.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: July 8, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventors: Andriy Ryshtun, Victor Kremin, David G. Wright
  • Detecting touchdowns and liftoffs of touch objects
    Patent number: 8773396
    Abstract: A system comprises a processing device and a capacitive sense array that includes a plurality of electrodes is disclosed. When a touchdown of a touch object is detected, the change in a touch area (e.g., an area where the touch object is in contact with the touch panel) caused by the touchdown may not be reported as a movement of the touch object. When a liftoff of the touch object is detected, the change in the touch area caused by the liftoff may not be reported as a movement of the touch object.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: July 8, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventors: Petro Ksondzyk, Michael Patrick Hills, Chang Kyoung Kim
  • Methods and apparatus to scan a targeted portion of an input device to detect a presence
    Patent number: 8773386
    Abstract: 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 device.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: July 8, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventors: Cole Wilson, David G. Wright, Edward Grivna
  • LOAD DRIVER
    Publication number: 20140184280
    Abstract: A method of driving an output terminal to a voltage, in which an input signal is received, an appropriate output voltage and output voltage range are determined based on the input signal, an output driver is configured to a first mode and the output driver drives the output terminal to a voltage within the voltage range, the output driver is configured to a second mode and the output driver drives the output terminal to a voltage approximately equal to the appropriate output voltage.
    Type: Application
    Filed: October 29, 2013
    Publication date: July 3, 2014
    Applicant: Cypress Semiconductor Corporation
    Inventors: David G. Wright, Jason Faris Muriby, Erhan Hancioglu
  • False touch filtering for capacitance sensing systems
    Patent number: 8766944
    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: October 23, 2012
    Date of Patent: July 1, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventor: Petro Ksondzyk
  • Integrated control of power supply and power line communications
    Patent number: 8767867
    Abstract: Apparatuses and methods of integrating power supply unit (PSU) control and power line communication (PLC) to transmit data on a power line in a transmitting node. One method modulates a switching frequency of the PSU between multiple spread frequencies to transmit the data.
    Type: Grant
    Filed: March 4, 2013
    Date of Patent: July 1, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventor: Kendall Castor-Perry
  • Interrupt latency reduction
    Patent number: 8769177
    Abstract: A method in accordance with one embodiment of the invention can include detecting an interrupt request during execution of an instruction by a processor of an integrated circuit. Additionally, a clock signal frequency can be changed that is received by the processor. An interrupt service routine can be executed that corresponds to the interrupt request.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: July 1, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventor: David G. Wright
  • Integrity checking of configuration data of programmable device
    Patent number: 8766662
    Abstract: Methods and a system for operating a programmable device are disclosed. In one embodiment, a method includes accessing a master summary data and loading an original configuration data to configuration registers of the programmable device. The method further includes generating a current summary data by performing a summary operation of a current configuration data of the configuration registers of the programmable device, comparing the current summary data with the master summary data, and performing an exception action if the current summary data does not match with the master summary data.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: July 1, 2014
    Assignee: Cypress Semiconductor Corporation
    Inventor: David G. Wright