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Hrl Laboratories Llc patents (2014 archive)

Recent patent applications related to Hrl Laboratories Llc. Hrl Laboratories Llc is listed as an Agent/Assignee. Note: Hrl Laboratories Llc may have other listings under different names/spellings. We're not affiliated with Hrl Laboratories Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Hrl Laboratories Llc-related inventors

12/25/14 / #20140375325

Battery with reference electrode for voltage monitoring

A lithium-ion battery structure with a third electrode as reference electrode is disclosed. The reference electrode may be fabricated from lithium metal, lithiated carbon, or a variety of other lithium-containing electrode materials. ... Hrl Laboratories Llc

12/18/14 / #20140372055

Methods and apparatus for sensing the internal temperature of an electrochemical device

The internal temperature of an electrochemical device may be probed without a thermocouple, infrared detector, or other auxiliary device to measure temperature. Some methods include exciting an electrochemical device with a driving profile; acquiring voltage and current data from the electrochemical device, in response to the driving profile; calculating an impulse response from the current and voltage data; calculating an impedance spectrum of the electrochemical device from the impulse response; calculating a state-of-charge of the electrochemical device; and then estimating internal temperature of the electrochemical device based on a temperature-impedance-state-of-charge relationship. ... Hrl Laboratories Llc

12/18/14 / #20140372054

Double-pulse technique for on-line diagnostics of electrochemical systems

A method for dynamic characterization of an electrochemical system (such as a lithium-ion battery) is provided, comprising exciting an electrochemical system with a plurality of double-pulse sequences, each comprising a constant-current discharge pulse, a constant-current charge pulse having the same pulse width and pulse amplitude, and a zero-current period between the pulses; and calculating an impulse response, using a recursive or matrix-based method, to dynamically characterize the electrochemical system. A constant state-of-charge is maintained in the electrochemical system. ... Hrl Laboratories Llc

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Hrl Laboratories Llc in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Hrl Laboratories Llc with additional patents listed. Browse our Agent directory for other possible listings. Page by