WO2014081952A3 - Low power management of multiple sensor integrated chip architecture - Google Patents

Low power management of multiple sensor integrated chip architecture Download PDF

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Publication number
WO2014081952A3
WO2014081952A3 PCT/US2013/071281 US2013071281W WO2014081952A3 WO 2014081952 A3 WO2014081952 A3 WO 2014081952A3 US 2013071281 W US2013071281 W US 2013071281W WO 2014081952 A3 WO2014081952 A3 WO 2014081952A3
Authority
WO
WIPO (PCT)
Prior art keywords
processor
motion state
computing device
power management
chip architecture
Prior art date
Application number
PCT/US2013/071281
Other languages
French (fr)
Other versions
WO2014081952A2 (en
Inventor
Gabriel B. BURCA
Douglas A. LAUTNER
Scott P. DEBATES
Mary K. HOR-LAO
Eric J. HEFNER
Ryan D. JONES
Daniel T. MOORE
Robert WIEGAND
Original Assignee
Motorola Mobility Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US13/930,473 external-priority patent/US9354722B2/en
Application filed by Motorola Mobility Llc filed Critical Motorola Mobility Llc
Publication of WO2014081952A2 publication Critical patent/WO2014081952A2/en
Publication of WO2014081952A3 publication Critical patent/WO2014081952A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/324—Power saving characterised by the action undertaken by lowering clock frequency
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/325—Power saving in peripheral device
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Power Sources (AREA)
  • Navigation (AREA)

Abstract

A method, device, system, or article of manufacture is provided for low-power management of multiple sensor chip architecture. In one embodiment, a method comprises, at a computing device that includes a first processor, a second processor and a third processor, receiving, by the first processor operating at a first clock rate, first sensor data from a first sensor operating at a first data rate; determining, by the first processor, a movement of the computing device using the first sensor data; in response to determining the movement of the computing device, performing, by the first processor, a first motion state algorithm to determine whether a modality of the computing device is a first motion state; and, in response to determining that the modality of the computing device is not the first motion state, changing, by the first processor, at least one of the first processor to operate at a second clock rate sufficient to perform a second motion state algorithm and changing the first sensor to operate at a second data rate sufficient to perform the second motion state algorithm, wherein the second motion state algorithm is used to determine whether the modality of the computing device is a second motion state.
PCT/US2013/071281 2012-11-21 2013-11-21 Low power management of multiple sensor integrated chip architecture WO2014081952A2 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US201261728921P 2012-11-21 2012-11-21
US61/728,921 2012-11-21
US201361776868P 2013-03-12 2013-03-12
US61/776,868 2013-03-12
US201361827458P 2013-05-24 2013-05-24
US61/827,458 2013-05-24
US13/930,473 US9354722B2 (en) 2012-11-21 2013-06-28 Low power management of multiple sensor integrated chip architecture
US13/930,473 2013-06-28

Publications (2)

Publication Number Publication Date
WO2014081952A2 WO2014081952A2 (en) 2014-05-30
WO2014081952A3 true WO2014081952A3 (en) 2015-02-19

Family

ID=49887200

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2013/071281 WO2014081952A2 (en) 2012-11-21 2013-11-21 Low power management of multiple sensor integrated chip architecture

Country Status (1)

Country Link
WO (1) WO2014081952A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7359713B1 (en) * 2003-02-28 2008-04-15 Trimble Navigation Limited Battery consumption optimization for mobile users
US20080140338A1 (en) * 2006-12-12 2008-06-12 Samsung Electronics Co., Ltd. Mobile Device Having a Motion Detector
US20120268249A1 (en) * 2011-04-20 2012-10-25 Microsoft Corporation Energy efficient location detection

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7359713B1 (en) * 2003-02-28 2008-04-15 Trimble Navigation Limited Battery consumption optimization for mobile users
US20080140338A1 (en) * 2006-12-12 2008-06-12 Samsung Electronics Co., Ltd. Mobile Device Having a Motion Detector
US20120268249A1 (en) * 2011-04-20 2012-10-25 Microsoft Corporation Energy efficient location detection

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
YI WANG ET AL: "A framework of energy efficient mobile sensing for automatic user state recognition", PROCEEDINGS OF THE 7TH INTERNATIONAL CONFERENCE ON MOBILE SYSTEMS, APPLICATIONS, AND SERVICES, MOBISYS '09, 1 January 2009 (2009-01-01), New York, New York, USA, pages 179, XP055017031, ISBN: 978-1-60-558566-6, DOI: 10.1145/1555816.1555835 *

Also Published As

Publication number Publication date
WO2014081952A2 (en) 2014-05-30

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