U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6718554

Hands free towel carrying system

A hands free towel carrying system for coupling a towel to a user to prevent loss, theft or contamination.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Attorney: O2MICRO INC;C/O MURABITO, HAO & BARNES LLP


Number of applications: 61
Last date: January 20, 2011

1    
Application No.Application TitleIssue Date
20110013053DEFECTIVE PIXEL DETECTION AND CORRECTION
A device can include a detection module and a correction module. The detection module can classify a pixel in a sensor as a defective pixel, and can store location information for the defective pixel. The correction module can identify the defective pixel based on the l...
01/20/2011
20110006946NAVIGATION SYSTEM WITH A SIGNAL PROCESSOR
A signal processor for processing multiple satellite signals is disclosed. The signal processor includes multiple acquisition channels operable for capturing tracking information from a first plurality of satellite signals synchronously according to multiple correlation...
01/13/2011
20110001357VERTICAL BUS CIRCUITS
A vertical bus circuit includes multiple devices for transmitting signals between the bus devices. The multiple devices share multiple common voltage levels. Each of the devices includes a bus block and two input/output (I/O) devices powered by a first voltage level and...
01/06/2011
20100264882CIRCUITS AND METHODS FOR BATTERY CHARGING
Circuits and methods for battery charging are disclosed. In one embodiment, the battery charging circuit comprises an AC to DC converter, a charging control switch, and a charger controller. The AC to DC converter provides a charging power to a battery pack. The chargin...
10/21/2010
20100259332COMPENSATION CIRCUIT FOR VOLTAGE CONTROLLED OSCILLATOR
A circuit can be used to a control the voltage of a voltage controlled oscillator (VCO) can include a first comparator, a second comparator, an accumulator, and an output device. The first comparator outputs a first pulse signal when the control voltage is higher than a...
10/14/2010
20100259313CIRCUITS AND METHODS FOR TEMPERATURE DETECTION
A temperature detection circuit includes a sensor, an integrated circuit (IC) chip, and a resistor. The sensor is operable for sensing a temperature. The IC chip can compare a sense voltage indicative of the temperature with a threshold voltage indicative of a temperatu...
10/14/2010
20100244784BATTERY CHARGING SYSTEMS
A circuit for charging a battery may include a switch operable for conducting a current flowing through the switch, and a first amplifier coupled to the switch and operable for adjusting the current according to an amount of power dissipation associated with the switch....
09/30/2010
20100241679SIGNAL CONVERSION SYSTEMS
A signal conversion system includes a compensation module and a conversion module coupled to the compensation module. The compensation module is operable for adjusting a first compensation signal according to a dynamic signal and adding the first compensation signal to ...
09/23/2010
20100231754VIRTUAL CAMERA FOR SHARING A PHYSICAL CAMERA
A virtual camera component allows multiple camera-use applications to share a camera simultaneously. For example, a first application can request access to the camera for a first set of data, and a second application can also request access to the camera for a second se...
09/16/2010
20100231174CIRCUITS AND METHODS FOR BATTERY CHARGING
A circuit for charging a battery pack includes a power converter and a charger controller. The power converter is operable for receiving an input power, and for providing a charging power for charging the battery pack. The power converter provides galvanic isolation bet...
09/16/2010
20100225496MULTI-CHANNEL CONVERTER WITH SELF-DIAGNOSIS FUNCTIONALITY
An apparatus includes a plurality of channels, a converter, a control block and a counter. The channels can be used to measure a first plurality of signals. The converter can be used to convert the first plurality of signals into a second plurality of signals. The contr...
09/09/2010
20100225275CELL BALANCING SYSTEMS EMPLOYING TRANSFORMERS
A cell balancing circuit for balancing battery cells includes a transformer and a switching controller. The transformer has a primary winding and a secondary winding. The switching controller can select a first cell coupled to the primary winding and select a second cel...
09/09/2010
20100220611PACKET FRAGMENT REASSEMBLY
An apparatus for packet fragment reassembly includes a memory and a fragment processing block coupled to the memory. The memory caches information contained in the headers of a plurality of packet fragments, wherein the plurality of packet fragments are identified as be...
09/02/2010
20100194345MULTI-CELL BATTERY PACK PROTECTION CIRCUIT
A voltage detection circuit can include a status sensing network and a comparing network. The status sensing network can simultaneously detect a cell voltage for each battery cell of a plurality of battery cells. The comparing network can simultaneously compare the dete...
08/05/2010
20100173180BATTERY MANAGEMENT SYSTEM
A battery management system can include a battery having a plurality of cells, a plurality of devices coupled to the battery, and a control unit coupled to a first device of the devices. The devices can assess the statuses of the cells. The control unit can communicate ...
07/08/2010
20100166013RECOGNITION SYSTEMS BASED ON PATTERN MATCHING
A recognition system for recognizing a data packet includes a data memory for storing data units in a predetermined order. A first data unit includes an instruction for determining a characteristic of the data packet. The first data unit also includes the total number o...
07/01/2010
20100164403Circuits and methods for controlling LCD backlights
A circuit for controlling light sources comprises a converter, a feedback circuit and a current distribution controller. The converter is operable for converting an input voltage to an output current and for providing the output current to the light sources. The feedbac...
07/01/2010
20100138917REFRESH MECHANISM FOR RATE-BASED STATISTICS
Rate-based statistics are aperiodically refreshed. For example, for each Internet Protocol address being monitored, a time stamp of the last (most recent) statistics object (e.g., packet) and corresponding rate-based statistics are stored. The time stamp of a new statis...
06/03/2010
20100138155NOTEBOOK COMPUTERS WITH INTEGRATED SATELLITE NAVIGATION SYSTEMS
A notebook computer can receive a satellite navigation system (SNS) signal from satellites and realize a navigation function. The notebook computer includes a navigation device, a peripheral component interconnect (PCI) bus and a CPU. The navigation device is used for r...
06/03/2010
20100073230CALCULATING NAVIGATION SYSTEM TIME IN A SATELLITE NAVIGATION SYSTEM
A satellite navigation system receiver that includes a counter and a controlling unit is described. The counter may be driven by a reference clock signal having a reference clock frequency. The controlling unit can calculate a correction value indicative of a corrected ...
03/25/2010
20100066318SUPPLY TOPOLOGY WITH POWER LIMITING FEEDBACK LOOP
A supply topology comprising an AC to DC or DC to DC adapter and an electronic device with an active system, a battery, and an adapter controller implements closed-loop control of adapter output voltage to limit power consumption by the electronic device to a value rela...
03/18/2010
20100052783CLASS-D AMPLIFIER
An amplifier that receives an input signal and outputs an amplified output signal includes an integration stage, a comparison stage, and a full bridge circuit. The integration stage is be used for receiving a constant common mode voltage, for receiving a first signal re...
03/04/2010
20100052624BATTERY CHARGING SYSTEMS WITH CONTROLLABLE CHARGING CURRENTS
A charging path includes a charging switch for transferring a charging current from an input terminal to an output terminal. The charging path further includes a first enable terminal coupled to the charging switch. The first enable terminal receives a first enable sign...
03/04/2010
20090328192Policy based VPN configuration for firewall/VPN security gateway appliance
A method for managing a network based Virtual Private Network (VPN) configuration is disclosed. The method includes configuring a VPN policy using a Graphical User Interface (GUI) of a centralized management server for at least two network devices. A VPN tunnel is estab...
12/31/2009
20090292854USE OF BOND OPTION TO ALTERNATE BETWEEN PCI CONFIGURATION SPACE
An adaptor for adapting one of a first device complying with a first bus, and a second device complying with a second bus to a Peripheral Component Interconnect Express (PCIe) interface. The adaptor comprises a first bridge for interconnecting the first bus with the PCI...
11/26/2009
20090292849ADAPTABLE PCI EXPRESS CONTROLLER CORE
A controller core for controlling communication of Peripheral Component Interconnect (PCI) Express, the controller core comprises: a standard configuration register unit, a capabilities register unit, a logic unit and a bond option signal. The standard configuration reg...
11/26/2009
20090273285PROTECTION FOR EXTERNAL ELECTRODE FLUORESCENT LAMP SYSTEM
The present invention provides a protection means for a driving circuit which drives a set of external electrode fluorescent lamps (EEFL). The driving circuit with protection function for driving a set of EEFLs consistent with the present invention includes: a transform...
11/05/2009
20090262478ELECTRICITY DELIVERY SYSTEM
An electronic system can include a switch and a regulator coupled to the switch. The switch can be used to deliver electricity from a first terminal to a second terminal. The switch can also be used to prevent the second terminal from having a level that is higher than ...
10/22/2009
20090256490VOLTAGE SENSING CIRCUITS AND METHODS FOR INVERTERS
A voltage sensing circuit includes a voltage divider and a voltage rectifier. The voltage divider divides a first output voltage on a first output voltage line to a first divided output voltage. The voltage divider comprises a first metal foil and a first capacitor. The...
10/15/2009
20090230972Capacity detector for detecting capacity of an energy storage unit
A capacity detector for detecting capacity of an energy storage unit includes a first and a second buffers and a voltage divider. The first buffer is used for generating a first threshold reference according to a first adjustable reference which is predetermined based u...
09/17/2009
20090218954Sequential burst mode actlvation circuit
A sequential burst mode regulation system to deliver power to a plurality of loads. In the exemplary embodiments, the system of the present invention generates a plurality of phased pulse width modulated signals from a single pulse width modulated signal, where each of ...
09/03/2009
20090195423Analog to digital converters
An analog to digital converter (ADC) converts an analog signal to a digital signal. The ADC includes an input channel, a sampling circuit coupled to the input channel, an integrator coupled to the sampling circuit, and a feedback circuit coupled to the integrator. The i...
08/06/2009
20090178126SYSTEMS AND METHODS FOR PROVIDING USER-FRIENDLY COMPUTER SERVICES
A system for providing computer services includes a camera and an electronic device. The camera obtains recognition information for a user. The electronic device is operable for executing a first operating system for conducting user authentication according to the recog...
07/09/2009
20090160500POWER MANAGEMENT SYSTEMS WITH CHARGE PUMPS
A driving circuit for an N-channel Metal Oxide Semiconductor (NMOS) transistor can include a charge pump unit and a driver coupled to the charge pump. The charge pump can receive a source voltage and output an output voltage higher than the source voltage, where the sou...
06/25/2009
20090091293SYSTEM AND METHOD FOR BALANCING CELLS IN A BATTERY PACK WITH SELECTIVE BYPASS PATHS
A system and method for cell balancing with smart low-voltage control circuit. The cell balancing system comprises a plurality of battery cells, an external bypass path for each cell, an internal bypass path for each cell, an input terminal receiving an enable signal fo...
04/09/2009
20090039796POWER SUPPLY FOR AN LCD DISPLAY
A power supply system is provided for a multiple lamp LCD panel. In one aspect, the power supply includes a plurality of transformers for driving a plurality of respective CCFLs. The primary sides of each transformer are coupled in series to thereby reduce the stress on...
02/12/2009
20090027015DC/DC CONVERTER WITH IMPROVED STABILITY
The DC/DC converter according to one embodiment includes a switch, an inductor, a capacitor, a resistor, and a voltage divider. The switch is coupled to the input voltage. The inductor is used for coupling the first switch to an output node of the DC/DC converter so as ...
01/29/2009
20090006453Systems and methods for SNMP access
Systems and methods for SNMP access are disclosed. A computer-implemented method of SNMP access includes mapping a MIB object in a MIB into an XML object in an XML document, generating a class library based on the XML document, creating a service object representative o...
01/01/2009
20080315855Low power bandgap voltage reference circuit having multiple reference voltages with high power supply rejection ratio
A voltage generator is used for generating a voltage reference with high power supply rejection. One embodiment of the circuit includes a voltage regulator and a bandgap voltage circuit and an amplifier. The voltage regulator including an input node is coupled to an ext...
12/25/2008
20080310440Network interface system with filtering function
A network interface system with packet filtering function is disclosed herein. The network interface system includes interfaces, a packet buffer and a controller. The packet buffer stores data packets received by the network interface system. The controller provides sec...
12/18/2008
1    
 
Sign InRegister
Username  
Password   
forgot password?