子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 121 | Power supplying apparatus and method | US15229101 | 2016-08-04 | US09780686B1 | 2017-10-03 | Yang Wang; Hsuan-Yu Lai |
| A power supplying apparatus includes a voltage outputting module and a voltage selecting module. The voltage selecting module is electrically connected to the voltage outputting module. The voltage selecting module includes a returning unit. The voltage selecting module receives a voltage identification signal when the voltage outputting module is electrically connected to an electronic device. When the voltage identification signal is larger than a voltage level, the returning unit notifies the electronic device, such that the electronic device returns a voltage request signal. The power supplying apparatus selectively sends out one of a plurality of DC voltage signals to the electronic device according to the voltage request signal. | ||||||
| 122 | Integrated chip with heating element and reference circuit | US13570630 | 2012-08-09 | US09651981B2 | 2017-05-16 | Christian Lindholm; Henrik Hassander |
| Some aspects of the present disclosure relate to an apparatus that includes an integrated chip having a bandgap reference circuit and one or more heating elements. The bandgap reference circuit is located within a subset of the integrated chip and outputs a reference voltage having a temperature dependence. The one or more of the heating elements vary the temperature of the subset of the integrated chip. | ||||||
| 123 | Power supply equipment utilizing interchangeable tips to provide power and a data signal to electronic devices | US15259717 | 2016-09-08 | US09647477B2 | 2017-05-09 | Thomas W. Lanni |
| Power supply equipment includes an adapter which converts power from a power source to DC power for powering an electronic device. The power supply equipment includes circuitry which produces a data signal for use by the electronic device to control power drawn by the electronic device. A cable, extends from the adapter. The power supply equipment further includes a tip which has an input side and an output side. The input side of the tip is detachable mateable to the cable. The output side of the tip is detachably mateable to the electronic device. The tip output side has a shape and size dependent on the shape and size of a power input opening of the electronic device. The tip provides the data signal, as well as the DC power, to the electronic device. Different tips may be used to provide appropriate data signals to different electronic devices. | ||||||
| 124 | ULTRA-LOW POWER COMPARATOR WITH SAMPLING CONTROL LOOP ADJUSTING FREQUENCY AND/OR SAMPLE APERTURE WINDOW | US14852155 | 2015-09-11 | US20170077912A1 | 2017-03-16 | Wei Fu; Keith Edmund Kunz; Russell George Byrd |
| Methods and apparatus for minimizing average quiescent current for a desire voltage error in a comparator are disclosed. An example method includes receiving a first voltage and a reference voltage, outputting a second voltage when the first voltage is lower than the reference voltage, wherein the outputting of the second voltage increases the first voltage, counting a number of clock cycles while the first voltage is higher than the reference voltage, comparing the number of clock cycles to a maximum number of clock cycles and a minimum number of clock cycles, when the number of clock cycles is above the maximum number of clock cycles, decreasing a frequency of a clock associated with the number of clock cycles, and when the number of clock cycles is below the minimum number of clock cycles increase the frequency of the clock. | ||||||
| 125 | Power control apparatus, power control method, and power control program | US14400662 | 2013-05-13 | US09595829B2 | 2017-03-14 | Kenichi Watanabe |
| A power control apparatus includes: a first obtainment unit which obtains a power flow value at a power flow measuring point and a voltage value at a voltage measuring point provided; a power flow control unit which calculates a first power change value, to cause the power flow value to approach a predetermined target value; a voltage control unit calculates a voltage value at the voltage measuring point when the first power has been changed by the first power change value, and sets a second power change value, based on whether or not the voltage value falls within a predetermined voltage range; and a notification unit which notifies the power adjustment apparatus of a command value for causing the power adjustment apparatus to input or output the first power changed by the first power change value and the second power changed by the second power change value. | ||||||
| 126 | Ripple Suppressor | US15255193 | 2016-09-02 | US20170070143A1 | 2017-03-09 | Ching-Tsan Lee; Wei-Wen Ou; Chien-Chun Lu |
| A ripple suppressor suppresses ripples of a channel current. The ripple suppressor comprises a voltage-controlled current source, a stabilizer, and an auto-calibration circuit. A control voltage at a control node controls the channel current flowing through a path connecting first and second channel nodes. The voltage-controlled current source receives a current-setting signal to generate the control voltage, so as to stabilize the channel current in response to the current-setting signal. The stabilizer at least provides low-pass filtering to generate and stabilize the current-setting signal in response to a first channel voltage at the first channel node. The auto-calibration circuit controls the stabilizer in response to the control voltage, so as to make the control voltage in compliance with a first predetermined condition. | ||||||
| 127 | Electrical Hub Including Current Sensor | US14850143 | 2015-09-10 | US20170052838A1 | 2017-02-23 | DOUGLAS C. MOORE; ANTHONY JOHN MARINO; NEIL GELFOND |
| A method and system provides current, from an electrical hub, to a device. The method and system further receives, at the electrical hub, an indication that the device is in a first configuration state of a plurality of configuration states. An example includes detecting, at the electrical hub, a detected current value of the current sent to the device. Processes include determining, at the electrical hub, whether to generate an error indication based on a comparison of the detected current value and a first reference value or range of values associated with the first configuration state. | ||||||
| 128 | MULTIFUNCTIONAL SIGNAL ISOLATION CONVERTER | US14569027 | 2014-12-12 | US20160172994A1 | 2016-06-16 | Liang-Chi CHANG; Jen-Shun WANG; Chi-Fan LIAO; Yi-Liang HOU |
| A multifunctional signal isolation converter (10) is arranged in a safe area (20), and is applied to an electronic apparatus (40) arranged in a dangerous area (30). The multifunctional signal isolation converter (10) includes a microprocessor (108) and a power supply unit (116). The microprocessor (108) determines whether internal functions of the multifunctional signal isolation converter (10) are normal or not to obtain a first judgment value. The electronic apparatus (40) sends an input signal (42) to the microprocessor (108). The microprocessor (108) determines whether functions of the electronic apparatus (40) are normal or not to obtain a second judgment value according to the input signal (42). The microprocessor (108) controls whether the power supply unit (116) supplies a driving power (122) to the electronic apparatus (40) or not according to the first judgment value and the second judgment value. | ||||||
| 129 | POWER SUPPLY DEVICE, POWER SUPPLY SYSTEM, AND POWER SUPPLY CONTROL METHOD | US14818353 | 2015-08-05 | US20160072294A1 | 2016-03-10 | Mikio Morita |
| A power supply device includes: a power supply circuit configured to supply electric power; a signal input-and-output portion to be coupled to a sub board, the sub board including a first load configured to receive the electric power and a voltage range generation circuit configured to generate a voltage range signal indicative of a power supply voltage range of the first load; and an arithmetic circuit configured to compute an output voltage of the power supply circuit based on the voltage range signal which is input via the signal input-and-output portion and first power supply voltage information relating to a first voltage at a first supply terminal of the first load to be supplied with the electric power. | ||||||
| 130 | POWER METER WITH AUTOMATIC CONFIGURATION | US14946095 | 2015-11-19 | US20160069933A1 | 2016-03-10 | Martin COOK; Michael BITSCH |
| A power monitoring system includes a plurality of current sensors suitable to sense respective changing electrical current within a respective conductor to a respective load and a conductor sensing a respective voltage potential provided to the respective load. A power monitors determines a type of circuit based upon a signal from at least one of the current sensors and a signal from the conductor, wherein the type of circuit includes at least one of a single phase circuit, a two phase circuit, and a three phase circuit. The power meter configures a set of registers corresponding to the determined type of circuit in a manner such that the configuring is different based upon each of the single phase circuit, two phase circuit, and three phase circuit suitable to provide data corresponding to the determined type of circuit. | ||||||
| 131 | APPARATUS AND SYSTEM FOR ADJUSTING INTERNAL VOLTAGE | US14593138 | 2015-01-09 | US20160056716A1 | 2016-02-25 | Ho Uk SONG; A Ram RIM |
| An apparatus for adjusting an internal voltage includes a device characteristic detection circuit which detects a device characteristic, compares the device characteristic with an external clock, and generates a comparison signal, and an internal voltage adjustment circuit which receives an adjustment code generated based on the comparison signal, adjusts a level of an internal voltage, and generates a level-adjusted internal voltage. | ||||||
| 132 | DRIVING CIRCUIT FOR A LIGHT EMITTING COMPONENT AND CONTROL CIRCUIT THEREOF | US14689898 | 2015-04-17 | US20160050727A1 | 2016-02-18 | Wen-Chin SHIAU |
| A driving circuit includes a control circuit and a boost converter circuit. The control circuit receives a sense voltage associated with a direct-current (DC) source voltage, and generates a control signal with a duty cycle that varies with the sense voltage in a monotonically increasing manner. The boost converter circuit receives the DC source voltage and the control signal, thereby providing a driving current for driving light emission of a light emitting component. The driving current has a magnitude positively correlated to the duty cycle of the control signal. | ||||||
| 133 | HYSTERETIC POWER CONVERTER WITH CALIBRATION CIRCUIT | US14843496 | 2015-09-02 | US20150370273A1 | 2015-12-24 | Chia-Liang TAI; Alan ROTH; Eric SOENEN |
| A power converter includes a first load terminal used to supply a current to a load and a second load terminal used to return a feedback voltage based on the current. A calibration circuit supplies a calibrated voltage processed from the feedback voltage, and a hysteretic comparator controls a current level of the current based on a difference between the feedback voltage and the calibrated voltage. | ||||||
| 134 | Multi-input low dropout regulator | US14100009 | 2013-12-08 | US09201437B2 | 2015-12-01 | Yen-An Chang; Yi-Hao Chang |
| A multi-input low dropout regulator includes an amplifier, a first metal-oxide-semiconductor transistor, and a resistor. The amplifier has a plurality of first input terminals, a second input terminal, and an output terminal. Each first input terminal of the plurality of first input terminals is used for receiving an internal voltage. The first metal-oxide-semiconductor transistor has a first terminal for receiving a first voltage, a second terminal coupled to the output terminal of the amplifier, and a third terminal coupled the second input terminal of the amplifier. The resistor has a first terminal coupled to the third terminal of the first metal-oxide-semiconductor transistor, and a second terminal for receiving a second voltage. The third terminal of the first metal-oxide-semiconductor transistor is further used for coupling to a monitor pad, and the monitor pad is used for outputting the internal voltage. | ||||||
| 135 | CIRCUIT STRUCTURE AND METHOD FOR REDUCING POWER CONSUMPTION OF DEVICE INCLUDING ACTIVE MODULE AND PASSIVE MODULE | US14441884 | 2012-11-15 | US20150340958A1 | 2015-11-26 | HUAN SHI; AXEL LOHBECK |
| Embodiments of the present invention disclose a circuit structure and a method for reducing power consumption of a device including an active module and a passive module. The circuit structure comprises: an active module (22) comprising a main output voltage (221) for powering a load (26) via a first current control device (222) which is configured to control a current passing through the load (26), and an passive module (24) comprising a main output voltage (241) for when the active module (22) fails, powering the load (26) via a second current control device (242) which is configured to control a current passing through the load (26). The passive module (24) further comprises an auxiliary output voltage (243) for when the passive module (24) is in a backup state, powering the second current control device (242) so as to enable the second current control device (242) to be in a switching-on state. Further, the auxiliary output voltage (243) of the passive module (24) is configured to be smaller than the main output voltage (241) of the passive module (24). | ||||||
| 136 | Power source circuit including transistor with oxide semiconductor | US13082459 | 2011-04-08 | US09178419B2 | 2015-11-03 | Yoshiaki Ito; Takuro Ohmaru |
| An object is to reduce degradation of circuit operation and to reduce the area of the entire circuit. A power source circuit is provided with a first terminal to which first voltage is input; a second terminal to which second voltage is input; a comparator being connected to the first terminal and the second terminal and comparing the first voltage and the second voltage; a digital circuit averaging, integrating, and digital pulse width modulating a first digital signal output from the comparator; a PWM output driver amplifying a second digital signal output from the digital circuit; and a smoothing circuit smoothing the amplified second digital signal. | ||||||
| 137 | SWITCHABLE PACKAGE CAPACITOR FOR CHARGE CONSERVATION AND SERIES RESISTANCE | US14250150 | 2014-04-10 | US20150293551A1 | 2015-10-15 | Ryan Michael Coutts; Mikhail Popovich |
| In one embodiment, an apparatus comprises a capacitor and a die. The die comprises a resistor switch coupled between a power line and the capacitor, wherein the resistor switch has an adjustable resistance, and the power line and the capacitor are both external to the die. The die also comprises a circuit configured to receive power from the power line. | ||||||
| 138 | Hysteretic power converter with calibration circuit | US12956630 | 2010-11-30 | US09143033B2 | 2015-09-22 | Chia-Liang Tai; Alan Roth; Eric Soenen |
| A hysteretic power converter includes a comparator, a calibration circuit, and an output node having an output voltage. The calibration circuit is configured to supply a calibrated voltage to the comparator. The comparator controls the output voltage based on the calibrated voltage and a feedback voltage representing at least a portion of the output voltage. | ||||||
| 139 | Multi-function terminal of power supply controller for feedback signal input and over-temperature protection | US13293296 | 2011-11-10 | US09142952B2 | 2015-09-22 | Ta-Yung Yang; Chao-Chih Lin |
| The present invention provides a control circuit having a multi-function terminal. The control circuit comprises a switching circuit, a sample-and-hold circuit, a detection circuit, and a comparator. The sample-and-hold circuit is coupled to the multi-function terminal for generating a sample voltage by sampling the feedback signal during a first period. The detection circuit is coupled to the multi-function terminal during a second period for generating a detection voltage. The comparator compares the detection voltage and the sample voltage for generating an over-temperature signal, wherein the over-temperature signal is couple to disable the switching signal. | ||||||
| 140 | LOSSLESS OVER-CURRENT DETECTION CIRCUIT FOR ROYER OSCILLATORS AND PUSH-PULL CONVERTERS | US14430624 | 2013-10-09 | US20150241484A1 | 2015-08-27 | Atul Abhyankar; Peter Cheung |
| A circuit including over-current protection includes a voltage input, first and second switching transistors that are complementarily switched and that receive current from the voltage input, a first resistor, a first diode including a first anode and a first cathode, and a second diode including a second anode and a second cathode. The first anode and the second anode are connected to each other and are connected to the voltage input via the first resistor. The first cathode is connected to the first switching transistor and the second cathode is connected to the second switching transistor such that the connection of the first and second anodes provides an over-current signal that is related to the current in the first and second switching transistors. | ||||||
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