Fairchild Semiconductor Corporation

Intel Corporation

Majid Shushtarian

Philip Crawley

William David Llewellyn

Ramamurthy Krithivas

Anand K Enamandram

Amit Kumar Srivastava

Earl Schreyer

Jeffrey A Pihlman

Michael J Karas

Jared W Havican

Christine Watnik

Methods to dynamically configure, monitor and govern PCH Chipsets in platforms as extended IO-expander(s) and associated apparatus. A multi-role PCH is provided that may be dynamically configured as a legacy PCH to facilitate booting for platforms without bootable CPUs and as IO-expanders in single-socket and multi-socket platforms. A control entity is coupled to the PCHs and is used to effect boot, reset, wake, and power management operations by exchanging handshake singles with the PCHs and providing control inputs to CPUs on the platforms. The single-socket platform configurations include a platform with a CPU with bootable logic coupled to an IO-expander and a platform with a legacy CPU coupled to a legacy PCH. The multi-socket platforms include a platform with a bootable CPU coupled to one or more non-legacy CPUs and employing multiple IO-expanders and platform with a legacy CPU coupled to one or more non-legacy CPUs and coupled to a legacy PCH, and further including one or more PCHs coupled to the non-legacy CPU(s) implemented as IO-expanders.

Platform controller hub (PCH) chipsets in platforms as extended IO expander(s)

In one general aspect, a method can include calculating, at a calibration temperature of a speaker, a calibration parameter through a coil of the speaker in response to a first test signal, and can include sending a second test signal through the coil of the speaker. The method can also include measuring a parameter through the coil of the speaker based on the second test signal, and calculating a temperature change of the coil of the speaker based on the parameter and based on the calibration parameter at the calibration temperature.

Methods and apparatus related to protection of a speaker

Protection of a speaker using temperature calibration

This document discusses, among other things, apparatus and methods for controlling a haptic transducer. In an example, a haptic controller can include an active termination driver having a configurable output impedance. The active termination driver can be configured to drive a haptic transducer and to process back electro-magnetic force (EMF) of the haptic transducer to provide motion feedback of the haptic transducer. In an example, the haptic controller can include a processor to provide a command signal to the active termination driver and to determine a resonant frequency of the haptic device using the motion feedback of the haptic transducer.

Resonance driver for determining a resonant frequency of a haptic device

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Pleasanton, CA, United States of America

Majid Shushtarian