Battery systems with embedded cell monitors
First Claim
Patent Images
1. A battery pack comprising:
- a battery cell; and
a radio frequency (RF) cell monitor embedded in said battery cell and operable for monitoring said battery cell and for generating an alert signal indicative of a predetermined condition of said battery cell, wherein said RF cell monitor comprises;
a sensing circuit operable for detecting said predetermined condition of said battery cell and for generating a detecting signal; and
a transmitter operable for receiving said detecting signal and for generating said alert signal according to said detecting signal from said sensing circuit, wherein said transmitter comprises;
an RF oscillator operable for receiving said detecting signal and for generating said alert signal according to said detecting signal; and
an antenna coupled to said RF oscillator and operable for transferring said alert signal to said battery pack.
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Abstract
A battery pack is disclosed. The battery pack includes a battery cell and an RF cell monitor. The RF cell monitor is embedded in the battery cell and is operable for monitoring the battery cell and for generating an alert signal indicative of a predetermined condition of the battery cell.
15 Citations
18 Claims
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1. A battery pack comprising:
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a battery cell; and a radio frequency (RF) cell monitor embedded in said battery cell and operable for monitoring said battery cell and for generating an alert signal indicative of a predetermined condition of said battery cell, wherein said RF cell monitor comprises; a sensing circuit operable for detecting said predetermined condition of said battery cell and for generating a detecting signal; and a transmitter operable for receiving said detecting signal and for generating said alert signal according to said detecting signal from said sensing circuit, wherein said transmitter comprises; an RF oscillator operable for receiving said detecting signal and for generating said alert signal according to said detecting signal; and an antenna coupled to said RF oscillator and operable for transferring said alert signal to said battery pack. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An electronic system comprising:
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a load; and a battery pack operable for supplying power to said load, wherein said battery pack comprises; a battery cell; and a radio frequency (RF) cell monitor embedded in said battery cell and operable for monitoring said battery cell and for generating an alert signal indicative of a predetermined condition of said battery cell, wherein said RF cell monitor comprises; a sensing circuit operable for detecting said predetermined condition of said battery cell and for generating a detecting signal; and a transmitter operable for receiving said detecting signal and for generating said alert signal according to said detecting signal from said sensing circuit, wherein said transmitter comprises; an RF oscillator operable for receiving said detecting signal and for generating said alert signal according to said detecting signal; and an antenna coupled to said RF oscillator and operable for transferring said alert signal to said battery cell. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. A method for monitoring a battery pack, comprising:
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monitoring a battery cell in said battery pack by an radio frequency (RF) cell monitor which is embedded in said battery cell; generating a detecting signal according to a monitoring result; generating an alert signal indicative of a predetermined condition of said battery cell based upon said detecting signal by said RF cell monitor; and transferring said alert signal to said battery cell by an antenna. - View Dependent Claims (16, 17, 18)
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Specification