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| Application No. | Application Title | Issue Date |
| 20110228471 | FAN CONTROL SYSTEM AND METHOD One embodiment provides a system for controlling one or more pulse width modulated (PWM) fans. The system can include a control system configured to provide a voltage control signal corresponding to a DC output voltage for the one or more PWM fans. A variable DC voltage... | 09/22/2011 |
| 20110199034 | FAN CONTROL SYSTEM CAPABLE OF MODULATING A ROTATIONAL SPEED OF A FAN AND METHOD THEREOF A fan control system includes a host device including a detecting unit for detecting a component so as to generate a detecting signal. The host device further includes BIOS for storing relationship information between the detecting signal and a rotational speed of a fan... | 08/18/2011 |
| 20110095715 | System and Method for Cooling Using Counter-Rotating Fans A system includes two counter-rotating electric fans. A cooling controller is configured to run the fans at first and second operating points responsive to a measured value of a parameter. The first and second operating points correspond to first and second different re... | 04/28/2011 |
| 20110080129 | SINGLE-PIN MULTIFUNCTIONAL DEVICE AND METHOD FOR INPUT AND OUTPUT IN CONTROLLING A DIRECT-CURRENT FAN A single-pin multifunctional device and method for input and output in controlling a direct-current fan use a control chip to control an operation of the fan, thereby protecting issues generated by too high a temperature. The control chip uses a value of a temperature i... | 04/07/2011 |
| 20110068726 | FAN CONTROL SYSTEM A fan control system includes a linear adjustor, an input/output controller, and a temperature sensor. A first terminal of the linear adjustor is connected to a first power supply. A second terminal of the linear adjustor is connected to a fan and grounded via a first r... | 03/24/2011 |
| 20110048823 | HYBRID ELECTRIC VEHICLE BATTERY THERMAL MANAGEMENT A method of operating a vehicle powertrain system where the powertrain system includes a fuel controlled engine, an electric motor, and a battery, the fuel, controlled engine and the electric motor capable of powering the powertrain system. The powertrain system is capa... | 03/03/2011 |
| 20100327792 | CIRCUIT FOR CONTROLLING ROTATION SPEED OF FAN OF ELECTRONIC DEVICE A circuit for controlling a rotation speed of a fan of an electronic device according to a temperature of the electronic device. The circuit senses the temperature of the electronic device, and outputs a voltage changing with the sensed temperature. The rotation speed o... | 12/30/2010 |
| 20100271797 | CAR FAN CONTROLLER This invention patent is a utility type of car fan controller. The controller has a housing and inside the housing is a circuit. The housing has a top cover forming a cavity and flat bottom plate. The circuit has a circuit board and an adjustment device with other elect... | 10/28/2010 |
| 20100219784 | METHOD AND CIRCUIT FOR CONTROLLING MOTOR SPEED This invention provides a motor control method which comprises the steps of operating a motor at a fanless operation mode when a ambient temperature is lower than a lower temperature, operating the motor at a silent operation mode when the ambient temperature is higher ... | 09/02/2010 |
| 20100164421 | APPARATUS, SYSTEM, AND METHOD FOR IMPROVED FAN CONTROL IN A POWER SUPPLY An apparatus, system, and method are disclosed for controlling fan speed in a power supply. The apparatus measures input power to the power supply and measures the output power provided by the power supply over an interval. The apparatus determines values for the input ... | 07/01/2010 |
| 20100145548 | FAN DRIVING CIRCUIT A fan driving circuit includes a temperature sensor, a super input and output (SIO) chip, an integrator, a feedback circuit, and a control circuit. The temperature sensor is configured for measuring a temperature of a computer component and outputting a temperature sign... | 06/10/2010 |
| 20100117579 | METHODS AND APPARATUSES FOR OPERATING A DATA PROCESSING SYSTEM Methods and apparatuses to manage working states of a data processing system. At least one embodiment of the present invention includes a data processing system with one or more sensors (e.g., physical sensors such as tachometer and thermistors, and logical sensors such... | 05/13/2010 |
| 20100097025 | HEAT-DISSIPATING DEVICE AND METHOD FOR CONTROLLING FAN SPEED A method for controlling fan speed is disclosed. Firstly, a number of temperature ranges are defined. Each temperature range is associated with a corresponding fan speed. Each two adjacent temperature ranges overlap. The temperature of an electronic system is measured a... | 04/22/2010 |
| 20100054964 | Rotating Speed Adjustment Circuit and Related Control System for a Heat Dissipation Fan A rotating speed adjustment circuit for a heat dissipation fan includes a first node, a second node, a reception end for receiving a first control signal, a first resistor coupled to a voltage source and the first node, a second resistor coupled to the first node and th... | 03/04/2010 |
| 20100033120 | FAN SPEED CONTROL SYSTEM A system for controlling the fan speed is described. Specifically, one embodiment of the present invention set forth a computing system, which includes a first processing unit including a first sensor, wherein the first processing unit is configured to generate a first ... | 02/11/2010 |
| 20100026225 | Electric Device Provided is an electric device capable of encouraging a user to perform maintenance in a forceful manner when the performance such as safety, operation efficiency or the like decreases. In an electric device of the present invention, a cont... | 02/04/2010 |
| 20090322272 | MOTOR CONTROL DEVICE A motor control device includes a motor, a control portion controlling the motor, estimating a heating temperature of the motor on the basis of an electric current value and an energizing time period or a stopping time period of the motor, and restricting an electrifica... | 12/31/2009 |
| 20090293760 | Variable-Speed-Drive System for a Grid Blower A drive system for a grid blower of a vehicle is provided. The system includes: an electrical bus, a grid of resistive elements connected to the electrical bus, the grid of resistive elements configured to thermally dissipate electrical power generated from braking of t... | 12/03/2009 |
| 20090289590 | SYSTEM AND METHOD FOR COMPENSATING CHARACTERISTICS OF A FAN A system for compensating the characteristics of a fan, applied to a heat-dissipating fan of an electronic device. This system comprises of an analyzing module for analyzing the relation between the duty ratio of pulse width modulation (PWM) and the rotational speed of ... | 11/26/2009 |
| 20090261768 | SYSTEM AND METHOD FOR ADJUSTING PULSE WIDTH MODULATION SIGNALS ACCORDING TO COMPONENT TEMPERATURES IN A COMPUTER A computer-based method for adjusting pulse width modulation (PWM) signals according to temperatures of one or more computer components includes setting a frequency formula for a fan in a computer. The method further includes reading current temperatures of one or more ... | 10/22/2009 |
| 20090256512 | PLURALITY OF CONFIGURABLE INDEPENDENT COMPUTE NODES SHARING A FAN ASSEMBLY A system comprising a chassis that includes a plurality of modules and a fan assembly disposed in a distal end of the chassis for drawing air in parallel pathways through the plurality of modules. At least one of the modules is a compute module having a thermal sensor d... | 10/15/2009 |
| 20090224715 | Cooling system for a vehicle drive assembly A cooling system for use in a vehicle drive assembly having an electric drive with a rotor and a stator is disclosed. The cooling system is adapted to cool the rotor via a liquid coolant or by directing a cooling air flow between the rotor and stator using an independen... | 09/10/2009 |
| 20090168333 | INFORMATION PROCESSING APPARATUS AND FAN CONTROL METHOD According to one embodiment, an information processing apparatus includes: a case; a device that is housed in the case; a cooling fan that cools the device; a temperature detecting device that detects a temperature of the device; and a controller that is operable in a f... | 07/02/2009 |
| 20090167228 | APPARATUS, SYSTEM, AND METHOD FOR CONTROLLING SPEED OF A COOLING FAN An apparatus, system, and method are disclosed for controlling fan speed. A power sensing module senses input voltage and current of a power supply. The power supply includes one or more stages and regulates at least one output bus. A power calculation module calculates... | 07/02/2009 |
| 20090160884 | ELECTRONIC APPARATUS The invention relates to an electronic apparatus in which heat generation from a plurality of motors and a control circuit for controlling the motors can be suppressed without stopping operation of the motors entirely. When copy operation starts, an internal temperature... | 06/25/2009 |
| 20090154188 | VEHICLE LAMP A vehicle lamp includes: N semiconductor light sources, wherein N is an integer of 1 or more; M fans configured to cool the N semiconductor light sources, wherein M is an integer of 1 or more; N current supply units configured to supply first current to the N semiconduc... | 06/18/2009 |
| 20090128077 | THERMALLY ACTUATED OVERLOAD TRIPPING DEVICE A circuit breaker with overload and short-circuit protection functions for a motor, on which is mounted a thermally actuated overload tripping device including an adjustment dial to set a value corresponding to a rated current value of the motor on a scale. The dial has... | 05/21/2009 |
| 20090129111 | VEHICULAR LAMP A vehicular lamp is arranged to save power by not driving a cooling fan when an LED is unlit. The vehicular lamp is capable of reducing cost and stopping a supply of current to the LED even in the case of open wiring in a supply of current to the cooling fan. The vehicu... | 05/21/2009 |
| 20090055026 | Integrated Motor Controller with Direct Networking Capability The present invention provides methods and apparatuses for controlling an environmental system with an adjustable speed motor from environmental information received through a network A network controller receives differential environmental information through the netwo... | 02/26/2009 |
| 20090020233 | AUTOMATED SHADE CONTROL METHOD AND SYSTEM This invention generally relates to automated shade systems. An automated shade system comprises one or more motorized window coverings, sensors, and controllers that use one or more algorithms to control operation of the automated shade control system. These algorithms... | 01/22/2009 |
| 20090022483 | Device and method for driving a single phase motor A driving device is provided for controlling the rotation of a motor. The driving device comprises an input module, a comparing module and a processing module. The input module includes a voltage generating unit and a voltage adjusting unit to generate a comparing volta... | 01/22/2009 |
| 20090009729 | ELECTRONIC DEVICE AND METHOD FOR CONTROLLING THE SAME The disclosure refers to an electronic device and methods for cooling an object within the electronic device. In one example, an electronic device includes a cooling fan for cooling an object. An air-quantity measuring device measures a quantity of cooling air sent by t... | 01/08/2009 |
| 20080310967 | INTELLIGENT AIR MOVING APPARATUS An intelligent air moving apparatus for cooling an electronics enclosure includes a motor for driving a fan at a variable rotational speed and a microcontroller for controlling the rotational speed of the motor. The microcontroller includes a speed sensor for sensing th... | 12/18/2008 |
| 20080278108 | MOTOR AND METHOD FOR CONTROLLING OPERATION OF MOTOR A self-magnetizing motor incorporates a control circuit that starts the motor, controls a magnetizing unit, and then operates the motor. The control circuit can include relay, such as a bi-directional conductive power semiconductor device, and one or more PTC (Positive ... | 11/13/2008 |
| 20080224643 | SEMICONDUCTOR DEVICE FOR DRIVING MOTOR, THREE-PHASE MOTOR AND MOTOR DRIVING APPARATUS WITH THE SEMICONDUCTOR DEVICE AND FAN MOTOR In order to prevent a short circuit of top and bottom arms of a motor driving IC when noise is added to six control signals for controlling six switching elements, there is provided a semiconductor device for driving a motor, being sealed with resin as one package and c... | 09/18/2008 |
| 20080211443 | ELECTRONIC APPARATUS AND METHOD OF CONTROLLING ELECTRIC MOTOR MOUNTED IN ELECTRONIC APPARATUS An electronic apparatus includes: a timer member that clocks time on the basis of the power supplied from a power source. A power supply member supplies the power to an electric motor of the electronic apparatus and to the timer member from the power source and interrup... | 09/04/2008 |
| 20080180050 | MOVABLE BARRIER OPERATOR AUTO-FORCE SETTING METHOD AND APPARATUS A movable barrier operator having a motor controller (10) and motor (11) that control selective movement of a movable barrier (12) also has an obstacle detector (14) that utilizes an automatically determined excess force threshold value to pe... | 07/31/2008 |
| 20080150462 | METHOD AND ARRANGEMENT IN CONNECTION WITH MOTOR FED WITH FREQUENCY CONVERTER PROVIDED WITH INTERMEDIATE VOLTAGE CIRCUIT Method and arrangement in connection with a motor fed with a frequency converter provided with an intermediate voltage circuit. The method comprises steps of feeding motor voltage to the motor along a motor cable with a frequency converter for controlling the motor, rec... | 06/26/2008 |
| 20080143281 | Secondary Battery Control Apparatus and Secondary Battery Control Method When it is determined that a battery temperature is lower than a threshold value, an inverter control circuit alternately switches an operation point of an AC motor between an optimum operation point and a motor loss increase point. At the motor loss increase point, an ... | 06/19/2008 |
| 20080136358 | Vehicle panel control system A system includes a controller and a sensor. The controller transmits a panel control signal to a motor for the motor to move a movable panel of a vehicle along a path between opened and closed positions while the motor receives power from a power source. The motor rece... | 06/12/2008 |
