| Patent Number |
Title Of Patent |
Date Issued |
| 7415621 |
Power supply system, computer apparatus and maximum power control method |
August 19, 2008 |
| In dealing with degradation in performance of a system unit due to excessive controlling by performing a power consumption control function after power consumption of the system unit actually exceeds a maximum power of a power supply apparatus, the present invention solves the above |
| 7370213 |
Power supply unit and computer |
May 6, 2008 |
| A series power supply circuit and a switching power supply circuit are combined within a single power supply unit. The switching power supply circuit provides an efficiency lower than that of the series power supply circuit under a light load and provides an efficiency higher than that o |
| 7225086 |
Alternating-source peak-shift power application system, method and program product |
May 29, 2007 |
| Apparatus includes a main body having a function of reducing performance of the apparatus during operation, an AC adapter which is connectable to the main body and supplies power to the main body from a commercial power source, and a rechargeable battery which is connectable to the main |
| 7211987 |
Electric device with intelligent battery system therein |
May 1, 2007 |
| A computer provided with an intelligent battery 52 for charging/discharging, the intelligent battery 52 supplying power to a main system unit, wherein the intelligent battery 52 includes: a voltage measuring circuit 70 for measuring a battery voltage of the intelligent battery 52; a |
| 7206944 |
Electrical apparatus, computer, and power switching method |
April 17, 2007 |
| An electrically powered apparatus having a system body obtains power from an AC adapter connected to the system body. The system body and AC adapter are powered from a commercial power source. A battery connected to the system body is charged, then discharged to power the system body. |
| 7117377 |
Computer apparatus, power supply control method and program for reducing the standby power requi |
October 3, 2006 |
| In general, the present invention provides a computer apparatus, power supply control method and program for reducing the standby power requirements in a computer supporting a wake-up function. The present invention reduces standby power requirements on power off by three types of co |
| 7057309 |
Electrical apparatus, computer, power switching unit, and power switching method |
June 6, 2006 |
| An electrical apparatus including an AC adapter 51; a battery 52 that repeats charging and discharging to power the apparatus; an AC/DC enable circuit 61 that switches between stop and start of power source from the AC adapter 51 to the body; a charger utilization circuit 62 that charges |
| 7024574 |
Method and structure for switching between two battery units for driving an electrically driven |
April 4, 2006 |
| Electric apparatus, computer apparatus, controller, and battery switching method and program is provided to prevent a system shutdown caused by a reduction of electric power from a battery. A computer apparatus is constructed to be able to accept and be powered by a rechargeable main |
| 7019659 |
Network system, managing server, electrical apparatus, battery status managing method, battery d |
March 28, 2006 |
| A network system in which an electrical apparatus having a battery which performs charges and discharges to supply electric power to the electrical apparatus and a managing server are connected by the network and perform a diagnosis of the battery provided for the electrical apparatu |
| 6986067 |
Method and apparatus for reducing power consumption in a power supply |
January 10, 2006 |
| The present invention provides a method, apparatus an device for reducing power loss by lowering an operating frequency of a power supply device in a standby state such as soft-off state, suspend state, or a state in which a line is not connected. In one aspect of the present invention, |
| 6948078 |
Battery having a plurality of temperature sensors for outputting different control information t |
September 20, 2005 |
| A battery pack includes overcurrent limiting transistors and respective sensors in proximity to battery cell and the transistors. A CPU in the battery pack receives temperature signals from the sensors and selects an action to control temperature based on the temperature signals. |
| 6920575 |
POWER SOURCE SWITCHING UNIT WITH INTEGRATED CHARGING CIRCUIT FOR SELECTIVELY COUPLING AN EXTERNA |
July 19, 2005 |
| To obtain a power source switching unit that is capable of cost and size reduction, and also supplying electric power reliably even when external power supply is intercepted, and to obtain a computer that is capable of avoiding shutdown that results from the interception of the external |
| 6910143 |
Electronic power unit with a battery and a compensator for calculating the actual charge capacit |
June 21, 2005 |
| A main battery used as an electric power unit for a computer is provided with a memory that stores capacity information denoting the total capacity of a battery and compensation information representing the total capacity of the battery as a function of a battery charging cycle count. A |
| 6901520 |
Power supply protection apparatus for computer system |
May 31, 2005 |
| In a power supply protection circuit, a FET and a diode are connected to a power line so as to protect an inner circuit from an excessive voltage caused by a device connected to an IEEE1394 bus. A switching circuit connected to the power line turns off the FET when the voltage of a port |
| 6895516 |
Switching between source power supply and battery of a system based upon connection status of so |
May 17, 2005 |
| An electric supply system and device therefor including an AC adapter for supplying electric power received from external thereto; a battery being charged with electric power supplied from this AC adapter and enabled to supply electric power to the system by discharging the charged elect |
| 6842708 |
Method and apparatus for determining battery life |
January 11, 2005 |
| A method and apparatus in accordance with the present invention determines the life of a battery which is repeatedly charged and discharged while providing power to one or more electronic devices. The battery is provided with a circuit for measuring current while the battery is charged, |
| 6839853 |
System for controlling power of computer depending on test result of a power-on self test |
January 4, 2005 |
| To obtain a method for controlling power of a computer, a power control apparatus, and the computer which can prevent a user from feeling uneasy unnecessarily and inhibit a power-on problem from arising again. When the power switch is depressed, the power-on self test (POST) starts and i |
| 6836096 |
Method of calculating capacity of intelligent battery, intelligent battery and portable electron |
December 28, 2004 |
| A method of calculating capacity of an intelligent battery is provided for, whereby an intelligent battery and a portable electronic device are capable of allowing for power consumption by a minute current undetectable by a conventional circuit without any special cost required so as to |
| 6829545 |
Method of calculating capacity of intelligent battery, intelligent battery and portable electron |
December 7, 2004 |
| A method of calculating capacity of an intelligent battery is provided for, whereby an intelligent battery and a portable electronic device are capable of allowing for power consumption by a minute current undetectable by a conventional circuit without any special cost required so as to |
| 6822424 |
Trouble recognition of an intelligent battery and the resetting thereof |
November 23, 2004 |
| The apparatus of this invention has a resetting function for software- or hardware-resetting a battery when a CPU in the battery hangs up and becomes inoperable or inoperative to make it possible to recover the CPU of the battery from a hung state. An electrical apparatus having a body |
| 6820205 |
Electric power unit with a battery and a memory for recording the date of first use of the batte |
November 16, 2004 |
| To obtain an electric power unit, an electric power controller, and an electric power controlling method that can know a date for starting use of an electric power unit respectively, as well as to obtain a computer that can know a date for starting the use of the built-in electric power |
| 6744234 |
Preliminary charging state apparatus, program and method |
June 1, 2004 |
| The present invention provides an electrical apparatus, program and method for a user to display a preliminary charging state in a battery. In one aspect, the present invention provides an electrical apparatus that is capable of receiving a battery for supplying electric power to a main |
| 6714016 |
Method for displaying information concerning power consumption and electronic device |
March 30, 2004 |
| An intelligent battery pack in an electronic device such as a PC, sends such information as a voltage, a current, etc. related to power consumption to a controller via a line when the PC is driven by a battery. When the AC adapter is supplying electrical power to the device, the power |
| 6664764 |
Apparatus and method for detecting a battery use state and mitigating battery deterioration |
December 16, 2003 |
| A power supply apparatus is described in which one can suppress deterioration thereof when in preservation at a relatively low cost and with high reliability, obtain a charge control apparatus and charge control method which can suppress the deterioration thereof when in preservation |
| 6661200 |
Rechargeable power supply system and method of protection against abnormal charging |
December 9, 2003 |
| An intelligent battery comprising a battery cell for charging and discharging; a voltage detection circuit for detecting voltage of the battery cell; a current detection circuit for detecting charging current; a charging-stop FET for stopping charging for the battery cell; and a CPU |
| 6574740 |
Dynamic power consumption control for a computer or other electronic apparatus |
June 3, 2003 |
| Disclosed is a method and apparatus for controlling power consumption of the PC, which is provided with base loads comprising a plurality of components, as well as a CPU including operation modes of "throttling" and "clock-down". Actual power consumption 103 of the CPU in a certain o |
| 6518730 |
Power supply unit, battery electrical apparatus, and memory effect detection method |
February 11, 2003 |
| A power supply unit includes a rechargeable battery for supplying power to a body circuit of an electrical apparatus, a current measurement circuit for measuring a currently-discharged current value, a voltage measurement circuit for measuring a currently-discharged voltage value, and a |
| 6424123 |
Battery charging system and charge control apparatus |
July 23, 2002 |
| In a charging system used in a computer system employing a rechargeable battery, the number of charging/discharging cycles of the battery is detected based on a charging amount of the battery by a charger. A charging condition for the charger is set to increase the capacity of the ba |
| 6396243 |
Power unit and power source switching apparatus for a computer |
May 28, 2002 |
| In a removable power supply unit for a computer, a power source switching FET provided in a protective circuit of a main battery and a second battery is enabled in response to a signal from the computer to switch power paths from each of the main battery and the second battery to a D |
| 6373222 |
Power supply apparatus, electrical equipment and power supply method |
April 16, 2002 |
| The present invention relates to a power supply system, in particular, to a power supply apparatus and a power supply method that each use a high impedance battery used for electric equipment such as a notebook PC (notebook type personal computer).Usually, electric power is supplied from |
| 6346794 |
Method of controlling charge and discharge of a plurality of batteries |
February 12, 2002 |
| Disclosed is a method for controlling efficient charge and discharge of a plurality of batteries. At the beginning of the discharge cycle, parallel discharge of the rechargeable batteries is performed until the batteries discharge to a predetermined percentage of total capacity. Followin |
| 6288522 |
Method and apparatus for controlling battery charging current |
September 11, 2001 |
| A method and apparatus for controlling battery charging current selectively receive electrical power from either a first external power source or a second external power source and outputs part of the power source to a charger for charging a battery. A reference value supplying apparatus |
| 6157166 |
Battery switching circuit and a computer system having same |
December 5, 2000 |
| Described is a battery switching circuit in which a first battery and a second battery are connected to a common feeding point via a first feeding circuit and a second feeding circuit each including a semiconductor switch. The switch is alternately turned on so that one of the first and |
