U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6368227

Method of swinging on a swing

A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 320/139 - Pulsed


Subclass of Class 320 - Electricity: battery or capacitor charging or discharging
Definition: Subject matter wherein the electrical energy is added in
No. of applications: 47
Last issue date: 02/16/2012


1    
Application No.Application TitleIssue Date
20120038325CHARGE CONTROL DEVICE AND METHOD FOR SECONDARY BATTERY MODULE
A battery charger 2 equipped with an AC/DC converter charges a secondary battery module 1 constituted with a plurality of unit cells 10. The unit cells 10 are each connected in parallel with a constant voltage circuit 33 constituted wi...
02/16/2012
20120032648Method and Circuitry to Adaptively Charge a Battery/Cell
The present inventions, in one aspect, are directed to techniques and/or circuitry to adapt the charging of a battery/cell using data which is representative of an overpotential of the battery/cell. In yet another aspect the present inventions are directed to techniques...
02/09/2012
20120025752BATTERY CHARGER
The invention provides advances in the arts with useful and novel battery charger circuits and methods providing improved energy conservation, harvesting, and utilization efficiencies....
02/02/2012
20120001596METHOD AND SYSTEM FOR CHARGING MULTI-CELL LITHIUM-BASED BATTERIES
A method and system for charging multi-cell lithium-based batteries. In some aspects, a battery charger includes a housing, at least one terminal to electrically connect to a battery pack supported by the housing, and a controller operable to provide a charging current ...
01/05/2012
20110285356Method and Circuitry to Adaptively Charge a Battery/Cell
The present inventions, in one aspect, are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a change in terminal voltage of the battery/cell. In another aspect, the present inventions are directed to techn...
11/24/2011
20110273143BIPOLAR OVERVOLTAGE BATTERY PULSER AND METHOD
A bipolar overvoltage battery pulser and method are provided that apply a positive pulse voltage and a negative pulse voltage alternately across the terminals of a battery. The object of the bipolar overvoltage battery pulser and method is to increase the cycle lifetime...
11/10/2011
20110199054METHODS FOR CHARGING METAL-AIR CELLS
A method of charging a metal-air battery is provided. The method of charging a metal-air battery includes charging the metal-air battery using a charge profile. The method further includes applying a pulse charge to the metal-air battery. The method further includes ret...
08/18/2011
20110140672BATTERY CHARGING METHOD AND SYSTEM WITH THREE-STAGE TEMPERATURE-COMPENSATED CHARGE PROFILE
A battery charging method and system with a temperature-compensated charge profile requires that, during a ‘bulk stage’, a regulated constant charge current is provided to the battery until the voltage across it increases to a predetermined ‘absorption stage volta...
06/16/2011
20110077879DETERMINING BATTERY DC IMPEDANCE
A method and apparatus for measuring battery cell DC impedance by controlling charging of the battery cell. The method includes real-time characterization of a battery, (a) measuring periodically a DC impedance of the battery to determine a measured DC impedance; (b) ra...
03/31/2011
20100270978LITHIUM ION SECONDARY BATTERY SYSTEM, AND METHOD FOR OPERATING LITHIUM ION SECONDARY BATTERY
A drop of discharge or charge capacity in discharging or charging with a large current is reduced without changing a design of a lithium ion secondary battery itself. When the lithium ion secondary battery for a car or a vehicles such as an electric automobile and a hyb...
10/28/2010
20100264882CIRCUITS AND METHODS FOR BATTERY CHARGING
Circuits and methods for battery charging are disclosed. In one embodiment, the battery charging circuit comprises an AC to DC converter, a charging control switch, and a charger controller. The AC to DC converter provides a charging power to a battery pack. The chargin...
10/21/2010
20100225527SYSTEM AND METHOD FOR MEASURING A RELATIVE DISTANCE BETWEEN VEHICLE COMPONENTS USING ULTRA-WIDEBAND TECHNIQUES
A system for measuring relative distance between a first component on a vehicle and a second component on the vehicle is provided. The system includes a wireless ultra-wideband (UWB) transceiver attached to the first component. The wireless UWB transceiver transmits a U...
09/09/2010
20100225269Mulltifunctional vehicle charger and charging process of the same
The present invention relates to a multi-functional vehicle charger and the charging process of the same. The vehicle charger includes a power plug corresponding to a vehicle power outlet on one end, a power terminal connected with the vehicle charger by a wire and a US...
09/09/2010
20100117601DEVICE FOR REVITALIZING BATTERY AND ENHANCING IGNITION PERFORMANCE
The device contains a pulse generation circuit, a frequency generation circuit, a voltage detection circuit, and a frequency control circuit. A positive terminal of a lead-acid battery of a motor vehicle is connected to the pulse generation circuit and the voltage detec...
05/13/2010
20100090656POWERING DEVICES USING RF ENERGY HARVESTING
Disclosed is an apparatus for an application including a core device for the application. The apparatus includes a power (preferably RF energy) harvester connected to the core device to power the core device. Also disclosed is a method for an application. The method inc...
04/15/2010
20100066310SYSTEM AND METHOD FOR CHARGING AND PULSATING BATTERIES
A battery charging and pulsating system including a battery having a positive terminal and a negative terminal, a charger electrically connected to the positive and the negative terminals of the battery, the charger including a controller, a pulsator electrically connec...
03/18/2010
20100013439System and Method for Applying Pulsation Energy to Online Battery Backup Systems
A method of applying pulsation energy to an online battery backup system including the steps of (1) sampling at least one voltage sampling circuit to monitor a float voltage drop across the terminals of each battery unit within a plurality of battery units; (2) selectin...
01/21/2010
20090289602BATTERY REJUVENATION METHOD AND APPARATUS
The present invention provides a battery rejuvenation method for rejuvenating a battery, which firstly pre-charges the battery for a short period of time and judges the battery condition by comparing the battery voltage to a preset reference voltage value, and then alte...
11/26/2009
20090243547Battery Charging Apparatus and Method
A battery charger that includes a primary switching-mode power supply, a secondary switching-mode power supply and a capacitor that is electrically connected to these two power supplies. In operation, this battery charger may be used to reverse the sulfation process in ...
10/01/2009
20090146613SECONDARY BATTERY CHARGING METHOD AND DEVICE
A method of charging a secondary battery and a charging device that can improve stability and extend the life span of the battery. When the secondary battery includes a plurality of cells, the charging method is changed when a voltage imbalance from 100 mV to 300 mV occ...
06/11/2009
20090140697BATTERY CHARGER AND METHOD
The present invention relates to a method for compensating for temperature effects in a pulsed battery-charging scheme with an average charging current less than the root-mean-square (rms) current. The method comprises varying the ratio of the average charging current t...
06/04/2009
20090128098PULSE GENERATING CIRCUIT, CONTROL METHOD FOR PULSE GENERATING CIRCUIT, TRANSMITTER, AND ELECTRONIC DEVICE
A pulse generating circuit includes: a boosting circuit which boosts power source voltage supplied from an external primary battery and produces boosted voltage higher than the power source voltage; a secondary battery to be charged with the boosted voltage; a pulse cir...
05/21/2009
20090121684Systems and Methods for Pulse Charging a Battery
Embodiments of the present invention include techniques for charging a battery. In one embodiment, the present invention includes a method comprising determining if a maximum current output of a power source is above a threshold, configuring a regulator coupled to the p...
05/14/2009
20090096423METHOD AND SYSTEM FOR PULSE CHARGING AN AUTOMOTIVE BATTERY
A pulse charging profile for a vehicle battery is synchronized with driver or vehicle demanded current disturbances by phase tracking the fundamental frequency of the desired pulse charging profile to those driver or vehicle demanded current disturbances. When these dri...
04/16/2009
20090085526CIRCUIT FOR GENERATING TRIANGULAR WAVEFORM HAVING RELATIVELY SHORT LINEAR RISE TIME AND SUBSTANTIALLY LONG LINEAR FALL TIME
A circuit includes a pulse transformer having primary and secondary windings. An oscillating waveform is applied to the primary winding to induce an oscillating waveform at the secondary winding. A transistor in series with a first resistor is coupled between the second...
04/02/2009
20090085525METHOD FOR CHARGING BATTERY
A method for charging a battery includes measuring the battery's voltage and comparing the battery voltage to a first threshold voltage. The method includes operating the battery in a charging mode if the measured battery voltage is less than the first threshold voltage...
04/02/2009
20090085524BATTERY CHARGING CIRCUIT
A circuit charges and maintains a battery. The circuit includes a microprocessor for receiving a current sense signal and a voltage sense signal. The microprocessor generates control signals for selectively operating the circuit in a charging mode and in a maintenance m...
04/02/2009
20090009140APPARATUS AND METHOD OF RECHARGING A BATTERY USING A USB DEVICE IN A PORTABLE DEVICE
An apparatus and a method of recharging a battery of a portable device using a USB are provided. In the method, a recharge unit of the portable device detects a voltage of the battery, and recharges the battery with a maximum recharge current of the USB. An amount of ti...
01/08/2009
20080309291COMPUTER SYSTEM AND CONTROL METHOD THEREOF
A computer system, including a converter to convert a level of an input voltage into a charging voltage and to output the charging voltage to a battery unit; a converter driving unit to output a driving signal to the converter so that the charging voltage outputted from...
12/18/2008
20080303485BATTERY EQUALIZATION CHARGING METHOD AND APPARATUS
The present invention discloses a charging method for equalization charging a battery array consisting of at least two cells, comprising the following steps: (a) charging the cells of the battery array with a constant charging current; (b) detecting the cell voltages of...
12/11/2008
20080303486Apparatuses and methods for detecting power source
A charger includes a detection pin, a voltage divider, and a comparator. The detection pin can couple the charger to a power source via a first data line. The voltage divider and the comparator are coupled to the detection pin. The voltage divider divides a power voltag...
12/11/2008
20080265842Method and apparatus to provide fixed frequency charging signals to a battery at or near resonance
A battery charger with a fixed frequency charging signal at or near the resonant frequency of the battery to be charged is presented. The present invention utilizes a microprocessor to modulate a current source at or near the resonant frequency of the battery to be char...
10/30/2008
20080252260System and method for charging and pulsating batteries
A battery charging and pulsating system including a battery having a positive terminal and a negative terminal, a charger connected to the positive and negative terminals of the battery, the charger including a controller, a pulsator connected to the positive and negati...
10/16/2008
20080252261BATTERY CHARGING APPARATUS, BATTERY PACK, BATTERY CHARGING SYSTEM, AND BATTERY CHARGING METHOD
A battery pack charging method and battery charging apparatus including: a plurality of charge units which charge respective battery cells of the battery pack, by outputting pulse currents, generated from a supplied DC voltage, in response to enable signal; and a plural...
10/16/2008
20080246440Adjustable input pulsation device
A battery pulsation system including a battery having a plurality of cells and a pulsation device connected to the battery to supply a pulsation energy to the plurality of cells, the pulsation energy having a pulsation amplitude and a pulsation frequency, wherein the pu...
10/09/2008
20080224667Method for charging battery pack
A method for charging a lithium-ion secondary battery is so designed as to fully charge, with a voltage of the lithium-ion secondary battery being limited to a set voltage. Further, the method for charging the lithium-ion secondary battery is so designed that a degradat...
09/18/2008
20080185996High frequency battery charger and method of operating same
A high frequency charger includes a charge circuit for charging a depleted battery and a boost circuit for jump-starting a vehicle. Two separate high frequency transformers are provided for the charge and boost circuits. A selector switch selectively activates at least ...
08/07/2008
20080150491Method Of Estimating The State-Of-Charge And Of The Use Time Left Of A Rechageable Battery, And Apparatus For Executing Such A Method
Disclosed is a method of estimating the state-of-charge of a rechargeable battery, taking into account the factors battery spread and ageing. The method comprises the steps of: determining the starting state-of-charge of the battery by measuring the voltage across the b...
06/26/2008
20080143299Battery maintenance
A battery maintenance system including a battery, an electrical pulsation device configured to supply electrical pulsation energy to the battery during at least one pulsation period, a battery charger configured to transfer electrical energy to the battery during at lea...
06/19/2008
20080129245Apparatus and method for recharging nonrechargeable batteries
An apparatus and method for recharging non-rechargeable batteries. Utilizes a non-zero offset voltage at a non-zero frequency (a combined DC and AC voltage) to charge a “non-rechargeable” DC battery at a desired voltage. The direct current is used to charge a DC bat...
06/05/2008
1    
 
Sign InRegister
Username  
Password   
forgot password?