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Patent No. 5285430

Behavior Modification Wristwatch

A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.

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Class 323/282 - Switched (e.g., switching regulators)


Subclass of Class 323 - Electricity: power supply or regulation systems
Definition: Subject matter wherein the system includes a single final
No. of applications: 1386
Last issue date: 05/24/2012


1                      
Application No.Application TitleIssue Date
20120126774SYSTEMS AND METHODS FOR SELF-RECYCLING POWER
A power system includes a switch, a capacitor and a comparator circuit. The power system receives a signal to turn off power supplied to the power system, turns off the switch that is used to supply power to the system and discharges the capacitor. The power system also...
05/24/2012
20120126627SOLAR ARRAY REGULATOR BASED ON STEP-UP AND DOWN CONVERSION AND SOLAR POWER SYSTEM COMPRISING THE SAME
A solar array system includes at least one solar array and at least one solar array regulator. The solar array regulator has an input port to be connected to the solar array, and an output port to be connected to a power bus. The solar array comprises a switching voltag...
05/24/2012
20120126765CIRCUIT AND SYSTEM WITH SOFT-START FUNCTIONALITY
A circuit includes a first control output adapted to couple to a control terminal of a first transistor and a second control output adapted to couple to a control terminal of a second transistor. The circuit further includes a feedback input for receiving a signal and a...
05/24/2012
20120126764DC/DC POWER CONVERSION APPARATUS
An object of the present invention is to provide a DC/DC power conversion apparatus that can reduce the average power consumption over a wide range of DC voltage ratios. A control circuit (120) changes a switching frequency f at which IGBTs S1 to S4...
05/24/2012
20120126772CURRENT MODE SYNCHRONOUS RECTIFICATION DC/DC CONVERTER
A current mode synchronous rectification direct current (DC)/DC converter according to the present invention includes: a soft start function unit (in FIG. 1, a reference voltage generation unit (104) enabling a reference voltage REF to slowly increase whil...
05/24/2012
20120126763SYSTEM AND METHOD FOR VOLTAGE REGULATION
Systems and methods for voltage regulation provide close-tolerance voltage regulation over a wide input voltage range. A voltage regulator has a reference voltage unit, first and second transistors, and an active circuit element. The reference voltage unit is configured...
05/24/2012
20120126768CONTROL CIRCUIT FOR SWITCHING POWER SUPPLY
An error amplifier generates an error signal VERR that corresponds to the difference between a feedback signal VFB and a predetermined reference voltage VREF. A first oscillator generates a first cyclic signal VOSC1 having a s...
05/24/2012
20120105039Delay Block for Controlling a Dead Time of a Switching Voltage Regulator
Embodiments for at least one method and apparatus for controlling timing of switch control signals of a switching voltage regulator disclosed. One method includes generating a regulated output voltage based upon a switching voltage, generating the switching voltage thro...
05/03/2012
20120105040Switched Inductor DC-DC Converter
A direct current to direct current (DCDC) voltage converter is described comprising a controller and at least one converter circuit. The converter circuit comprises at least first and second inductors, each having an input and an output; a first input switch connected t...
05/03/2012
20120105035Buck Circuit Having Fast Transient Response Mechanism and Operation of the Same
A buck circuit having a fast transient response mechanism is provided. The buck circuit comprises a high side MOS, a low side MOS, a transient control module and an operation control module. The low side MOS is connected to the high side MOS at a connection point for ge...
05/03/2012
20120105037Voltage Conversion Device Capable of Enhancing Conversion Efficiency
A voltage conversion device capable of enhancing conversion efficiency includes a charge pump for generating output voltage linear to input voltage according to the input voltage, a feedback unit for generating a feedback signal according to the output voltage generated...
05/03/2012
20120105034Controlling a Dead Time of a Switching Voltage Regulator
Embodiments for at least one method and apparatus of controlling a dead time of a switching voltage regulator are disclosed. One method includes generating a regulated output voltage based upon a switching voltage. The method included generating the switching voltage th...
05/03/2012
20120105036VOLTAGE GENERATION CIRCUIT WHICH IS CAPABLE OF EXECUTING HIGH-SPEED BOOST OPERATION
According to one embodiment, a voltage generation circuit includes a first boost circuit, a voltage division circuit, a first detection circuit, a capacitor and a first switch. The first boost circuit outputs a first voltage. The voltage division circuit divides the fir...
05/03/2012
20120104962Flash LED Controller
The invention provides integrated power supplies, circuit drivers, and control methods for relatively high-current drivers, usable with common battery power sources. Preferred embodiments include one or more high series resistance super-capacitors electrically connected...
05/03/2012
20120081088POWER SUPPLY APPARATUS, POWER SUPPLY SYSTEM AND METHOD OF SUPPLYING POWER THEREOF
A method of supplying power from a solar cell module to a load includes measuring the output of the solar cell module, and controlling a power converter having a preset duty ratio to start operating in accordance with the measured output. Additionally, a power supply ap...
04/05/2012
20120081090VOLTAGE REGULATOR
The voltage regulators are capable of limiting undershoots of the output voltage without having a similar effect on overshoots because of the presence of a current cancellation network, input with the reference voltage and coupled to the second input of the error amplif...
04/05/2012
20120081091CONTROL CIRCUIT, DCDC CONVERTER, AND DRIVING METHOD
A current generator circuit included in a triangle-wave generator circuit in a control circuit includes plural stages of current mirrors connected in parallel with each other. The plural stages of current mirrors are placed so that the sum of output currents output ther...
04/05/2012
20120081087HUB DEVICE CAPABLE OF SUPPLY POWER
The present invention relates to a hub device capable of supplying power, which comprises: a power input unit, a Boost/Buck unit, a power output unit, a control unit, a plurality of first electrical connection units, and a second electrical connection unit. By way of th...
04/05/2012
20120081089POWER SUPPLY CIRCUIT
A power supply circuit includes: an analog/digital converter for converting an analog signal to a digital signal; a pulse width modulation signal control circuit for generating a setting control signal varying in accordance with the difference between a reference voltag...
04/05/2012
20120081092LOW ELECTROMAGNETIC EMISSION DRIVER
The disclosure concerns circuitry for controlling a power transistor of a drive circuit arranged to drive an electrical component, the circuitry comprising: a variable current source adapted to set the level of a current for charging a control terminal of said power tra...
04/05/2012
20120068678DC-DC CONVERTER
Provided is a DC-DC converter capable of reducing not only a turn-off loss but also a turn-on loss. A snubber capacitor has one end connected to an anode of a step-up diode, a current input end of a step-up switching element and a main reactor. A first snubber diode has...
03/22/2012
20120049819High Efficiency High Power Density Power Architecture Based on Buck-Boost Regulators with a Pass-Through Band
A power system comprising a non-isolated voltage regulator configured to couple to an input voltage and produce an output voltage, wherein the non-isolated voltage regulator is in a power distribution system and configured to boost the input voltage when the input volta...
03/01/2012
20120049818SWITCHING METHOD TO IMPROVE THE EFFICIENCY OF SWITCHED-MODE POWER CONVERTERS EMPLOYING A BRIDGE TOPOLOGY
Traditionally, buck-boost switching regulators with bridge topologies have been avoided due to their inability to seamlessly transition between buck mode and boost mode. Here, however, a buck-boost switching regulator with a bridge topology has been provided, which has ...
03/01/2012
20120049820SOFT START METHOD AND APPARATUS FOR A BIDIRECTIONAL DC TO DC CONVERTER
A system and method for reducing negative inductor current during soft start of a bidirectional direct current (DC)-to-DC converter is provided. Typically, the bidirectional DC-to-DC converter includes an active switch and a passive switch. The system employs a soft sta...
03/01/2012
20120049815DC-DC CONVERTER WITH IMPROVED EFFICIENCY AT LOW LOAD CURRENTS
An output stage of a switching DC-DC converter includes a pair of transistors and a bias transistor connected between the transistors. A voltage regulator generates a bias voltage to bias a control terminal of the bias transistor with a fixed bias voltage. The voltage r...
03/01/2012
20120049829Power Supply Apparatus and Electronic Device Provided With Same
A power supply apparatus A according to the present invention comprises a drive control circuit for generating an on/off control signal of an output transistor; an overcurrent protection circuit for directly or indirectly monitoring a coil current and generating an over...
03/01/2012
20120049823SWITCHING POWER SUPPLY DEVICE, INTEGRATED CIRCUIT, AND SWITCHING POWER SUPPLY DEVICE OPERATION CONDITION SETTING METHOD
To provide a switching power supply device, and an operation condition setting method thereof, wherein it is possible to set an operation condition during an initialization period by adjusting the resistance value of a resistor that grounds an OUT terminal or IS termina...
03/01/2012
20120049825Current Mode Boost Converter with Fixed PWM/PFM Boundary
A current mode Boost converter is disclosed. The Boost converter operates in a pulse width modulation (PWM) mode or a pulse frequency modulation (PFM) mode. To prevent a load current with various probable magnitudes from varying a decision boundary between the PWM mode ...
03/01/2012
20120049817CURRENT GENERATOR CIRCUIT
Current circuits, circuits configured to provide a bias voltage, and methods for providing a bias voltage are described, including a current circuit configured to receive a reference current and having an output at which an output current is provided. One such current c...
03/01/2012
20120049821SWITCHING REGULATOR CONTROL CIRCUIT, SWITCHING REGULATOR, AND ELECTRONIC INSTRUMENT
The switching regulator according to the present invention comprises an oscillation circuit for generating a clock signal having a predetermined oscillation frequency; and a switching signal generation circuit for generating a switching signal for driving a switching el...
03/01/2012
20120049822QUASI-RESONANT CONTROLLED SWITCHING REGULATOR AND THE METHOD THEREOF
A frequency limitation method used in a quasi-resonant controlled switching regulator is disclosed. The switching frequency is limited by setting a minimum time period, such as a minimum switching period or a minimum OFF time period. The minimum time period is varying a...
03/01/2012
20120049816SWITCHING METHOD TO REDUCE RIPPLE CURRENT IN A SWITCHED-MODE POWER CONVERTER EMPLOYING A BRIDGE TOPOLOGY
Traditionally, buck-boost switching regulators with bridge topologies have been avoided due to their inability to seamlessly transition between buck mode and boost mode. Here, however, a buck-boost switching regulator with a bridge topology has been provided, which has ...
03/01/2012
20120043950SYSTEM AND METHOD FOR CONTROLLING A POWER SWITCH IN A POWER SUPPLY SYSTEM
One embodiment of the invention includes a power supply system. The system includes at least one power switch configured to be activated and deactivated based on a duty-cycle of a respective at least one control signal to generate an output voltage. The system also incl...
02/23/2012
20120043823Switching Circuits For Extracting Power From An Electric Power Source And Associated Methods
A switching circuit for extracting power from an electric power source includes (1) an input port for electrically coupling to the electric power source, (2) an output port for electrically coupling to a load, (3) a first switching device configured...
02/23/2012
20120043951Switching Regulator and Constant On-time Module
The prevent invention provides a switching regulator with a constant on-time structure. The switching regulator includes power stage circuit, for outputting an output voltage to a load according to a control signal, and a constant on-time module, coupled with the power ...
02/23/2012
20120044014Switching Circuits For Extracting Power From An Electric Power Source And Associated Methods
An integrated circuit chip includes a first input port, a first output port, and first and second transistors electrically coupled in series across the first input port. The second transistor is also electrically coupled across the first output port and is adapted to pr...
02/23/2012
20120043818Switching Circuits For Extracting Power From An Electric Power Source And Associated Methods
An electric power system includes N electric power sources and N switching circuits, where N in an integer greater than one. Each switching circuit includes an input port electrically coupled to a respective one of the N electric power sources, an output port, and a fir...
02/23/2012
20120043952SEMICONDUCTOR INTEGRATED CIRCUIT, SWITCHING POWER SUPPLY, AND CONTROL SYSTEM
A semiconductor integrated circuit includes a current mirror having a predetermined input-output ratio and including a first transistor configured to receive an input current and a second transistor configured to output an output current, and an output transistor config...
02/23/2012
20120038335PULSE MODULATION CIRCUIT AND METHOD
A pulse modulation method for adjusting pulse signals according to a working voltage of a load, the method includes the following steps. The working voltage of the load is detected by a feedback terminal of a PWM controller. Whether the load is a light load or a heavy l...
02/16/2012
20120038336DIGITAL PWM CONTROL MODULE
A digital pulse width modulation (PWM) control module for controlling one or more loads includes a transistor operatively connected to and configured to drive one of the loads and a microcontroller programmed to turn the transistor on and off in accordance with a pulse ...
02/16/2012
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