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607results about "Passive battery identification" patented technology

Wireless charging system with device power compliance

A method of controlling an inductive charging system on those occasions in which the combined power requests of a plurality of secondary devices exceed the power capacity of the power supply. The method includes at least one of (a) powering each device at a level below its requested level, (b) powering each device sequentially, and / or (c) powering each device in a repetitive pattern (e.g. time multiplexing). Also disclosed is a method of controlling an inductive charging system at least partially as a function of information received from the power management unit (PMU) of each secondary device.
Owner:PHILIPS IP VENTURES BV

Method and system for battery protection

A system and method for battery protection. In some aspects, a method of conducting an operation including a battery pack, includes the acts of monitoring a first battery pack condition at a first monitoring rate, determining when a second battery pack condition reaches a threshold, after the second battery pack condition reaches the threshold, monitoring the first battery pack condition at a second monitoring rate, the second monitoring rate being different than the first monitoring rate. In some aspects, a method of conducting an operation including a battery, the battery including a cell having a voltage, power being transferable between the cell and the electrical device, a controller operable to control a function of the battery pack, the controller being operable with a voltage at least one of equal to and greater than an operating voltage threshold, the cell being operable to selectively supply voltage to the controller, includes the act of enabling the controller to operate when the voltage supplied by the cell is below the operating voltage threshold.
Owner:MILWAUKEE ELECTRIC TOOL CORP

Device for charging batteries

Chargers which can be connected to batteries with different charging requirements and which have an identification device for identification of the different batteries are disclosed. With these chargers, the different types of batteries are recognized by a magnetic identification device. In a first exemplary embodiment, the identification device comprises at least one magnetic sensor, which is arranged in or on the charger and detects at least one magnetic parameter of a magnetic element, which is mounted in or on the battery. In a second exemplary embodiment, the identification device has at least one magnetic element and at least one magnetic sensor for detection of at least one magnetic parameter of the at least one magnetic element. The battery comprises a shielding and / or amplifying device, which alter(s) the at least one magnetic parameter of the at least one magnetic element.
Owner:ARTHREX

Electronic battery tester

An electronic battery tester for testing a storage battery includes test circuitry configured to provide an output based upon a selected test criteria. Additionally, circuitry is provided to assist in balancing batteries used in a string of multiple batteries.
Owner:MIDTRONICS
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