MEMORY SYSTEM AND METHOD
Granted: April 1, 2010
Application Number:
20100082861
In an embodiment, an apparatus includes a memory controller configured to control first and second memory components. A point-to-point data bus configured to pass data between the memory controller and the memory components may include a direct connection from each memory component to the memory controller. A daisy chained address bus configured to pass commands between the memory controller and the memory components may include a direct connection from the first memory component to the…
Memory Architecture Having Two Independently Controlled Voltage Pumps
Granted: March 25, 2010
Application Number:
20100074028
In embodiments described herein, a memory architecture has an array of non-volatile memory cells and a pair of independently controlled voltage pumps. The pair of voltage pumps is coupled for supplying both positive and negative voltage biases to the memory array during program and erase operations, such that a sum of the magnitudes of the positive and negative voltage biases is applied across a storage node of an accessed memory cell.
CURRENT SENSE AMPLIFIER
Granted: March 25, 2010
Application Number:
20100073090
A system includes a current sense amplifier to receive an input voltage based on a sense current provided to load circuitry. The current sense amplifier is configured to generate an output voltage from the input voltage based, at least in part, on one or more reconfigurable characteristics of the current sense amplifier. The system also includes a microcontroller to compare the output voltage from the current sense amplifier to one or more programmable thresholds. The microcontroller is…
Method for Providing Packet Framing in a DSSS Radio System
Granted: March 18, 2010
Application Number:
20100067551
An improved method of framing data packets in a direct sequence spread spectrum (DSSS) system that uses one pseudo-noise code (PN-Code) to frame the packet with a start-of-packet (SOP) and end-of-packet (EOP) indicator, and a different PN-Code to encode the data payload. Furthermore, the SOP is represented by the framing PN-Code, and the EOP is represented by the inverse of the framing PN-Code. This method creates a robust framing system that enables a DSSS system to operate with a low…
CIRCUIT, SYSTEM, AND METHOD FOR MULTIPLEXING SIGNALS WITH REDUCED JITTER
Granted: February 4, 2010
Application Number:
20100026345
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.
LIGHT EMITTING DIODE ASSEMBLY
Granted: October 29, 2009
Application Number:
20090267534
A circuit in accordance with one embodiment of the invention can include a light emitting diode (LED) assembly comprising a plurality of LED channels that are controlled independently with a switch mode driver. The circuit also includes N+1 wires coupled to said LED assembly, where N is equal to the number of said plurality of LED channels of said LED assembly.
Pixel Structure Having Shielded Storage Node
Granted: September 17, 2009
Application Number:
20090230289
A pixel structure having a shielded storage node. A pixel comprises a sample transistor coupled to a light detecting stage. The sample transistor comprises an inner junction region surrounding and coupled to a storage node and a gate disposed around at least three sides of the inner junction region that operates as a charge barrier to shield the storage node. A memory capacitor is coupled to the storage node.
CELLULAR COMMUNICATION DEVICE WITH WIRELESS POINTING DEVICE FUNCTION
Granted: July 2, 2009
Application Number:
20090170449
A device includes a first wireless transceiver adapted to communicate over a cellular network, a second wireless transceiver adapted to communicate over a local network separate from the cellular network, and a mechanism adapted to report movement information to a computer via the second wireless transceiver. The mechanism is optionally an optical sensor reporting relative position information. The device is operable as both a cellular communication device and a computer pointing device.…
POWER LINE COMMUNICATON FOR ELECTRICAL FIXTURE CONTROL
Granted: June 25, 2009
Application Number:
20090160627
We disclose an apparatus capable of receiving control command data for one or more electrical fixtures and modulating an alternating current by modifying firing phase angles to transmit the data corresponding to the control commands via a power line transmitting the alternating current.
CONTROLLING A LIGHT EMITTING DIODE FIXTURE
Granted: June 25, 2009
Application Number:
20090160369
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…
Phase Control for Hysteretic Controller
Granted: June 25, 2009
Application Number:
20090160368
A driver circuit, and light emitting system and method are provided. The driver circuit includes possibly a controller and a phase detector coupled to produce an intermittent output proportional to a value of an input relative to upper and lower threshold values, and a difference between the input signal, which is the intermittent output signal, and a reference value. The light emitting system can include a switch and at least one light emitting device coupled to the switch. The driver…
COMPENSATION CIRCUIT FOR A TX-RX CAPACITIVE SENSOR
Granted: June 18, 2009
Application Number:
20090153152
A capacitive sensor may include a transmit electrode and a receive electrode capacitively coupled with the transmit electrode. A capacitance sensing circuit senses a capacitance between the transmit and receive electrodes by applying a signal to the transmit electrode and rectifying a current waveform induced at the receive electrode. A compensation circuit reduces the effect of a mutual and parasitic capacitances of the transmit and receive electrode pair by adding a compensation…
METHOD FOR EFFICIENT SUPPLY OF POWER TO A MICROCONTROLLER
Granted: June 11, 2009
Application Number:
20090150688
A method and a system for supplying power to a microcontroller with a single cell. One embodiment of the present invention discloses incorporation of a power supply pump circuit with the microcontroller and their dynamic interaction. The microcontroller sends its power requirements to the power supply pump circuit and in response, the power supply pump circuit controls the operating voltage with optimal efficiency. The dynamic update of power supply pump circuit results in an efficient…
DIGITAL SIGNAL PROCESSOR CONTROL ARCHITECTURE
Granted: February 26, 2009
Application Number:
20090055592
A system includes a control store memory populated with data path instructions indexable by control store addresses and jump addresses. The system further includes a control state machine to provide at least one control store address and at least one jump address to the control store memory, wherein the control store memory is configured to identify one or more data path instructions for both the control store address and the jump address.
METHOD AND SYSTEM OF DIGITAL SIGNAL PROCESSING
Granted: January 22, 2009
Application Number:
20090024828
A system comprises a system interface to receive one or more instruction sets from a microcontroller and to receive digital data to be processed. The system further comprises a controller that is reconfigurable according to the one or more instruction sets received by the system interface. The system further comprises a data path device to perform digital filtering operations on the digital data as directed by the controller according to the reconfiguration of the controller by the one…
NORMALIZING CAPACITIVE SENSOR ARRAY SIGNALS
Granted: January 8, 2009
Application Number:
20090009194
An embodiment of the present invention is directed to a method for processing a position signal. The method includes receiving a first position signal from a capacitive sensor and determining a proximity of the capacitive sensor to a connection of an array of capacitive sensors. The sensitivity of the capacitive sensor is then adjusted and a second position signal is received from the capacitive sensor. The second position signal may then be reported. The present invention facilitates…
METHOD FOR IMPROVING SCAN TIME AND SENSITIVITY IN TOUCH SENSITIVE USER INTERFACE DEVICE
Granted: January 8, 2009
Application Number:
20090009195
System and method for optimizing the consumption of power while maintaining performance in capacitive sensor arrays. A limited sensing area is used to improve the update rate and sensitivity of a row/column array of capacitive sensors. According to one embodiment, a method is provided for scanning a plurality of capacitive sensors by: detecting a stimulus in the field of capacitive sensors, scanning the field of capacitive sensors to determine the position of the stimulus. Once the…
PROGRAMMABLE FLOATING GATE REFERENCE
Granted: December 25, 2008
Application Number:
20080315847
A system includes a controllable voltage generator to generate a power supply voltage. The system also includes a system controller to determine a voltage level associated with the power supply voltage, and prompt the controllable voltage generator to generate the power supply voltage. The system includes a floating gate reference device to generate an absolute voltage reference based, at least in part, on the voltage level associated with the power supply voltage. The system can also…
PROGRAMMABLE SIGMA-DELTA ANALOG-TO-DIGITAL CONVERTER
Granted: December 4, 2008
Application Number:
20080297388
A system includes an analog-to-digital modulator to convert at least one analog input signal into at least one digital output signal. The system also includes a processing device to set an operational order and a quantization level of the analog-to-digital modulator. The analog-to-digital modulator converts the analog input signal into the digital output signal according to the operational order and the quantization level.
SYSTEM AND METHOD FOR PERFORMING NEXT PLACEMENTS AND PRUNING OF DISALLOWED PLACEMENTS FOR PROGRAMMING AN INTEGRATED CIRCUIT
Granted: December 4, 2008
Application Number:
20080301619
A system and method for graphically displaying modules and resources within a chip design software application. The system and method provide a data driven model for matching the hardware resource requirements for an associated user module and the available hardware resources on an underlying chip. Databases are utilized to describe the hardware resource requirements which are dictated by the particular user module and the available hardware resources of a particular chip. The user…
