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Guthrie, CA
George Guthrie, Mississauga CA
| Patent application number | Description | Published |
|---|---|---|
| 20100157711 | Self-Refresh Based Power Saving Circuit and Method - A circuit includes a memory interface control circuit and a self-refresh adjustable impedance driver circuit having at least one adjustable impedance circuit. The memory interface control circuit selectively provides an impedance control signal based on memory self-refresh information. The self-refresh adjustable impedance driver circuit adjusts an impedance value of the adjustable impedance circuit in response to the impedance control signal. In addition, the self-refresh adjustable impedance driver circuit provides a memory interface signal based on the memory self-refresh information. | 06-24-2010 |
George A. W. Guthrie, Mississauga CA
| Patent application number | Description | Published |
|---|---|---|
| 20100125858 | METHOD, SYSTEM AND APPARATUS FOR TRI-STATING UNUSED DATA BYTES DURING DDR DRAM WRITES - A memory interface circuit includes a plurality of data bus drivers and logic adapted to be operatively responsive to write driver mask information. If desired, the plurality of bus drivers and the logic may be implemented in separate integrated circuits. The plurality of bus drivers are adapted to be responsive to a write operation. The logic is also adapted to disable any one of the plurality of data bus drivers based on the write driver mask information during the write operation. | 05-20-2010 |
Martin Guthrie, Moffat CA
| Patent application number | Description | Published |
|---|---|---|
| 20090278506 | SYSTEM AND METHOD FOR DYNAMIC POWER MANAGEMENT OF A MOBILE DEVICE - The present relates to a system and method for dynamic power management of a mobile device. The mobile device has a plurality of loads and a battery charger electrically connected to a voltage rail. The method comprises monitoring the plurality of loads to determine when at least one of the loads will become active or inactive, determining a minimum required output voltage level to be provided by the voltage converter based on active loads and the at least one load that will become active or inactive and device operation; and adjusting an input voltage level via the voltage converter to provide the minimum required output voltage level on the voltage rail in advance of the at least one load becoming active or after the at least one load becomes inactive. The method further monitors the input voltage level, and determines whether the input voltage level is below a first predetermine threshold. When the input voltage level falls below the first threshold, the method reduces the output voltage level provided by the voltage converter thereby reducing a charging rate of the battery charger. | 11-12-2009 |
| 20090315730 | METHOD AND APPARATUS FOR DISPLAYING BATTERY FAULT NOTIFICATIONS ON WIRELESS DEVICES - A battery pack for a mobile device, a method for processing fault notifications for a mobile device, and a mobile device for processing fault notifications are described. The battery pack comprises a housing, at least one battery cell within the housing, and a memory accessible by an application of the mobile device, the memory having stored thereon identifying information for identifying at least one of the battery pack and battery cell. Notifications are sent to mobile device including fault parameters for identifying at least one battery pack and/or battery cell affected by a fault. If the identifying information is within the fault parameters, displaying a fault notification on the display of the mobile device. | 12-24-2009 |
| 20100014848 | METHOD AND APPARATUS FOR POWER MANAGEMENT IN AN ELECTRONIC DEVICE - An electronic device and method for power management in an electronic device is provided. In an embodiment, the electronic device includes the functionality of a personal digital assistant, wireless email paging and a camera with a flash that is operated via self-contained power supply in the form of a battery. The device also includes a supervisor circuit which causes the device to enter sleep mode, or disables the device, or certain features of the device, if the battery level falls below a certain threshold. A method in accordance with an embodiment performs, in response to a request to fire the flash, a pre-flash test which is selected so as to not trip the supervisor circuit. The battery level is examined before the pre-flash test and examined as a consequence of performing the pre-flash test, if a change in the battery level as so examined meets certain criterion, then the full flash is not permitted to proceed. If the battery level does not meet the criterion, the full flash is permitted to proceed. | 01-21-2010 |
| 20100066311 | POWER SUPPLY CIRCUIT AND METHOD FOR PROVIDING OUTPUT VOLTAGE - Various embodiments are described herein for a charging device and an associated charging method for charging a rechargeable battery. The charging device generally includes a current source that is coupled to a power source and configured to provide a charging current to the rechargeable battery. The charging device further includes a controller that is configured to control the current source to provide the charging current with an amplitude that is less than the charging current required by the rechargeable battery in a given charging state to bring an output voltage of the current source towards the voltage of the rechargeable battery. | 03-18-2010 |
| 20100197366 | INTERFACE AND COMMUNICATION PROTOCOL FOR A MOBILE DEVICE WITH A SMART BATTERY - Various embodiments are described herein for a mobile communication device that utilizes a smart battery. The mobile device includes a main processor for controlling the operation of the mobile communication device. The smart battery is coupled to the main processor and provides supply power. The smart battery includes a battery processor for controlling the operation of the smart battery and communicating with the main processor, and a battery module having one or more batteries for providing the supply power. A battery interface is provided for coupling between the main processor and the battery processor for providing communication therebetween. The battery interface comprises a data communication line and protection circuitry for protecting the main processor from electrostatic discharge. A communication protocol is also provided for communication between the main processor and the battery processor. | 08-05-2010 |
| 20100197367 | INTERFACE AND COMMUNICATION PROTOCOL FOR A MOBILE DEVICE WITH A SMART BATTERY - Various embodiments are described herein for a mobile communication device that utilizes a smart battery. The mobile device includes a main processor for controlling the operation of the mobile communication device. The smart battery is coupled to the main processor and provides supply power. The smart battery includes a battery processor for controlling the operation of the smart battery and communicating with the main processor, and a battery module having one or more batteries for providing the supply power. A battery interface is provided for coupling between the main processor and the battery processor for providing communication therebetween. The battery interface comprises a data communication line and protection circuitry for protecting the main processor from electrostatic discharge. A communication protocol is also provided for communication between the main processor and the battery processor. | 08-05-2010 |
| 20110217032 | METHOD AND APPARATUS FOR POWER MANAGEMENT IN AN ELECTRONIC DEVICE - An electronic device and method for power management in an electronic device is provided. In an embodiment, the electronic device includes the functionality of a personal digital assistant, wireless email paging and a camera with a flash that is operated via self-contained power supply in the form of a battery. The device also includes a supervisor circuit which causes the device to enter sleep mode, or disables the device or certain features of the device, if the battery level falls below a certain threshold. A method in accordance with an embodiment performs, in response to a request to fire the flash, a pre-flash test which is selected so as to not trip the supervisor circuit. The battery level is examined after the pre-flash test. If the battery level meets certain criteria, the full flash is permitted to proceed, else the full flash is not permitted to proceed. | 09-08-2011 |
Martin Guthrie, Waterloo CA
| Patent application number | Description | Published |
|---|---|---|
| 20100178961 | MOBILE DEVICE WITH A SMART BATTERY - Various embodiments are described for a mobile communication device having a main processor for controlling the operation of the mobile communication device; a device memory coupled to the main processor for storing a plurality of battery information profiles; and a smart battery coupled to the main processor for providing supply power. The smart battery includes a battery processor for controlling the operation of the smart battery and communicating with the main processor; and a battery memory coupled to the battery processor for storing a Battery ID indicating the model of the smart battery. The main processor is configured to communicate with the battery processor to obtain the Battery ID and select one the battery information profiles based on the Battery ID. | 07-15-2010 |
Martin G.a. Guthrie, Mississauga CA
| Patent application number | Description | Published |
|---|---|---|
| 20100308777 | CIRCUIT AND METHOD OF OPERATION FOR AN ELECTRICAL POWER SUPPLY - A battery charging circuit comprising: a semiconductor switch having an output connected to a rechargeable battery; a battery charge controller for receiving power from an external source, and supplying output power to a portable device and the input of the semiconductor switch, the current output of the battery charge controller being controllable; and a voltage sensing circuit for: measuring the voltage drop across the battery charge controller; and responding to the voltage drop across the battery charge controller by modulating the semiconductor switch to reduce the quantity of current supplied to the rechargeable battery when the voltage drop is too great; whereby the total power dissipated by the battery charge controller is controlled, the portable device receiving the power it needs to operate and the rechargeable battery receiving any additional available power. | 12-09-2010 |
| 20110133702 | CIRCUIT AND METHOD OF OPERATION FOR AN ELECTRICAL POWER SUPPLY - A battery charging circuit comprising: a semiconductor switch having an output connected to a rechargeable battery; a battery charge controller for receiving power from an external source, and supplying output power to a portable device and the input of the semiconductor switch, the current output of the battery charge controller being controllable; and a voltage sensing circuit for: measuring the voltage drop across the battery charge controller; and responding to the voltage drop across the battery charge controller by modulating the semiconductor switch to reduce the quantity of current supplied to the rechargeable battery when the voltage drop is too great; whereby the total power dissipated by the battery charge controller is controlled, the portable device receiving the power it needs to operate and the rechargeable battery receiving any additional available power. | 06-09-2011 |
Martin G. A. Guthrie, Waterloo CA
| Patent application number | Description | Published |
|---|---|---|
| 20100102774 | Method and Apparatus for Handling a Charging State in a Mobile Electronic Device - In accordance with the teachings described herein, a method and apparatus for handling a charging state in a mobile electronic device is provided. A universal serial bus (USB) interface may be used for connecting the mobile device to a USB host. A processing device may be used to control operation of the mobile device and receive an enumeration acknowledgement signal from the USB host via the USB interface and generate an enable signal upon receiving the enumeration acknowledgement signal. The method and apparatus may further include a rechargeable battery, a battery charger, a timing circuit, and a battery charger enabling circuit. | 04-29-2010 |
| 20100117595 | Method and Apparatus for Handling a Charging State in a Mobile Electronic Device - A system and method for using a universal serial bus (USB) interface in a mobile device is provided that includes providing a battery charger operable to receive a voltage provided at the USB interface, the battery charger operable for charging a battery in the mobile device, and, a voltage regulator operable to receive a voltage provided at the USB interface, the voltage regulator used in powering the mobile device. The method also includes, detecting a USB bus voltage at the USB interface, measuring passage of a predetermined amount of time upon detecting the USB bus voltage, and disabling at least one of the voltage regulator and the battery charger if the predetermined amount of time expires before an enumeration acknowledgement signal is received at the USB interface. | 05-13-2010 |
| 20100219797 | Circuit and Method of Operation for an Electrical Power Supply - A battery charging circuit comprising: a semiconductor switch having an output connected to a rechargeable battery; a battery charge controller for receiving power from an external source, and supplying output power to a portable device and the input of the semiconductor switch, the current output of the battery charge controller being controllable; and a voltage sensing circuit for: measuring the voltage drop across the battery charge controller; and responding to the voltage drop across the battery charge controller by modulating the semiconductor switch to reduce the quantity of current supplied to the rechargeable battery when the voltage drop is too great; whereby the total power dissipated by the battery charge controller is controlled, the portable device receiving the power it needs to operate and the rechargeable battery receiving any additional available power. | 09-02-2010 |
Martin G. A. Guthrie, Moffat CA
| Patent application number | Description | Published |
|---|---|---|
| 20110260680 | CIRCUIT AND METHOD OF OPERATION FOR AN ELECTRICAL POWER SUPPLY - A battery charging circuit comprising: a semiconductor switch having an output connected to a rechargeable battery; a battery charge controller for receiving power from an external source, and supplying output power to a portable device and the input of the semiconductor switch, the current output of the battery charge controller being controllable; and a voltage sensing circuit for: measuring the voltage drop across the battery charge controller; and responding to the voltage drop across the battery charge controller by modulating the semiconductor switch to reduce the quantity of current supplied to the rechargeable battery when the voltage drop is too great; whereby the total power dissipated by the battery charge controller is controlled, the portable device receiving the power it needs to operate and the rechargeable battery receiving any additional available power. | 10-27-2011 |
Martin George Guthrie, Moffat CA
| Patent application number | Description | Published |
|---|---|---|
| 20100259479 | SYSTEM AND METHOD FOR ASSOCIATING CHARACTERS TO KEYS IN A KEYPAD IN AN ELECTRONIC DEVICE - The disclosure relates to a system and method of mapping a layout of a keyboard onto a keypad in an electronic device. The method comprises: providing a map of a keyboard layout as a collection of segments including a left column of segments and a right column of segments onto the keypad; providing a navigation system having programmable keys in the keypad for moving through the keyboard layout; and associating a set of characters in one segment of the segments to the programmable keys based on a signal received from the navigation system and a current mapping of the collection of segments to the programmable keys. The navigation system has: a left set of directional keys providing navigation controls for the programmable keys when the set of characters are from the left column of segments; and a right set of directional keys providing navigation controls for the programmable keys when the set of characters are from the right column of segments. | 10-14-2010 |
Martin George Albert Guthrie, Waterloo CA
| Patent application number | Description | Published |
|---|---|---|
| 20110095652 | HOLSTER-INTEGRATED PIEZOELECTRIC ENERGY SOURCE FOR HANDHELD ELECTRONIC DEVICE - A holster for a handheld electronic device. The holster has integrated therein one or more piezoelectric elements that provide an output voltage to the handheld electronic device upon insertion of device in the holster. The output voltage can be used to charge the battery of the device, to power, at least in part, the device, or both. The output voltage is generated by harvesting vibration energy at the piezoelectric elements upon the holster being subjected to acceleration caused by a user carrying the holster when walking, running, or during any other suitable activity. | 04-28-2011 |
Martin George Albert Guthrie, Moffat CA
| Patent application number | Description | Published |
|---|---|---|
| 20110169741 | SYSTEM AND METHOD FOR ASSOCIATING CHARACTERS TO KEYS IN A KEYPAD IN AN ELECTRONIC DEVICE - The disclosure relates to a system and method of mapping a layout of a keyboard onto a keypad in an electronic device. The method comprises: associating a first set of characters in a QWERTY keyboard layout with a segment of programmable keys in the keypad, the QWERTY keyboard layout comprising at least a left and a right column of keys; navigating through the QWERTY keyboard layout for the programmable keys using first and second directional keys providing upper and lower navigation controls for the segment of programmable keys when the first set of characters is from the right column of keys in the QWERTY keyboard layout; and associating the segment of keys with a second set of characters in the QWERTY keyboard layout based on a signal received from the first and second direction keys. | 07-14-2011 |
Najla Guthrie, London CA
| Patent application number | Description | Published |
|---|---|---|
| 20090156661 | Compositions and Methods for Treatment and Prevention of Metabolic Syndrome and its Associated Conditions with Combinations of Flavonoids, Liminoids and Tocotrienols - The present invention is directed to compositions and methods for the treatment and/or prevention of metabolic syndrome and its associated conditions, such as insulin resistance, which involve using a combination composition of limonoids, flavonoids and tocotrienols. | 06-18-2009 |
| 20090156663 | Functional Foods Comprising Flavonoids and Tocotrienols and Methods Thereof - Disclosed in certain embodiments is a functional food comprising an active agent combination comprising flavonoids and tocotrienols. | 06-18-2009 |
| 20090156665 | Compositions Comprising Flavonoids and Toctrienols and Methods Thereof - Disclosed in certain embodiments is a pharmaceutical formulation comprising a pharmaceutical ingredient comprising an active agent combination comprising flavonoids and tocotrienols in a ratio of about 75:25 to about 95:5 and at least one pharmaceutically acceptable excipient. | 06-18-2009 |
| 20090163581 | Pharmaceutical Products for Treating Neoplastic Disease and Inflammation - Disclosed in certain embodiments is a pharmaceutical formulation and a functional food comprising a pharmaceutical ingredient comprising an active agent combination comprising flavonoids and tocotrienols in a ratio of about 75:25 to about 95:5 and at least one pharmaceutically acceptable excipient and methods to treat neoplastic diseases and inflammation. | 06-25-2009 |
| 20100143275 | Canola Extracts Containing High Levels of Phenolic Acids - Disclosed in certain embodiments is a canola extract comprising greater than 30% sinapic acid, pharmaceutical compositions thereof, and methods thereof | 06-10-2010 |
Robert A. Guthrie, London CA
| Patent application number | Description | Published |
|---|---|---|
| 20100143275 | Canola Extracts Containing High Levels of Phenolic Acids - Disclosed in certain embodiments is a canola extract comprising greater than 30% sinapic acid, pharmaceutical compositions thereof, and methods thereof | 06-10-2010 |
| 20100166831 | Microencapsulated Nucleotide Formulations for Aquaculture and Land Animal Feeds - A nucleotide-containing feed supplement having improved water stability and dietary efficacy is provided. The feed supplement includes a core containing at least one nucleotide microencapsulated within a coating such as a protein material. The microencapsulated nucleotide feed supplement can be combined with a nutrient base to provide a feed formulation adapted for use in aquatic environments. A method of making the microencapsulated nucleotide feed supplement is also provided. | 07-01-2010 |