Roy B Silverstein

20120177226, Jul 12, 2012

Aug 9, 2011

13/206372

Roy B. Silverstein - San Diego CA, US
Dinesh Ramakrishnan - San Diego CA, US

QUALCOMM Incorporated - San Diego CA

H03G 3/00

381107

To reduce the risk of brown outs and resets in a mobile station using a far-field speaker, a voltage level of a battery and a level of an input audio signal are monitored. When the level of the audio signal increases past a threshold level, and the voltage level of the battery falls below a threshold voltage, an attenuation is determined and applied to the audio signal. The applied attenuation reduces the volume of the audio signal, which reduces the risk of a brown out or a reset due to insufficient voltage in the mobile station.

20120179456, Jul 12, 2012

Aug 9, 2011

13/206379

Sang-Uk Ryu - San Diego CA, US
Jongwon Shin - San Diego CA, US
Roy Silverstein - San Diego CA, US
Andre Gustavo P. Schevciw - San Diego CA, US
Pei Xiang - San Diego CA, US

QUALCOMM Incorporated - San Diego CA

G10L 19/00
H03G 3/00

7042001, 381107, 704E19001

An original loudness level of an audio signal is maintained for a mobile device while maintaining sound quality as good as possible and protecting the loudspeaker used in the mobile device. The loudness of an audio (e.g., speech) signal may be maximized while controlling the excursion of the diaphragm of the loudspeaker (in a mobile device) to stay within the allowed range. In an implementation, the peak excursion is predicted (e.g., estimated) using the input signal and an excursion transfer function. The signal may then be modified to limit the excursion and to maximize loudness.

20130019304, Jan 17, 2013

Jul 14, 2011

13/183311

Lukai CAI - Redondo Beach CA, US
Jose R. Menendez - San Diego CA, US
Roy Benjamin Silverstein - San Diego CA, US
Rajkrishnan Parameswaran - San Diego CA, US

QUALCOMM Incorporated - San Diego CA

G06F 21/00
G06F 21/24
G06F 1/26

726 16, 726 26, 713340, 726 27

Techniques for detecting and dealing with a lost electronics device are disclosed. In one design, the device may autonomously determine whether it is lost. The device may destroy at least one component to render it inoperable and may perform other actions in response to determining that it is lost. In another design, the device may determine available battery power of the device upon determining that it is lost, select at least one action in a list of possible actions based on the available battery power, and perform the selected action(s). In yet another design, upon determining that it is lost, the device may prevent access to information on the device based on a secondary security key, which is not used for encrypting information during normal operation. In yet another design, the device may notify at least one contact and may perform at least one additional action upon determining that it is lost.

20130076436, Mar 28, 2013

Sep 23, 2011

13/241516

Liviu Chiaburu - Chandler AZ, US
Shahin Mehdizad Taleie - San Diego CA, US
Dongwon Seo - San Diego CA, US
Roy Silverstein - San Diego CA, US

QUALCOMM Incorporated - San Diego CA

H03F 1/00

330105

A buffer amplifier has a power on state and a sleep state. During regular operation a coupling state of a load to an output node is detected using feedback voltage. In a sleep mode and in a power collapse mode a detection current is injected into the output node, to produce a voltage, and the coupling state of the load is detected from the voltage. Optionally, the detection current and detecting of the voltage on the output node is enables by a low duty cycle clock. Optionally, signals generated in detecting the coupling state are qualified through a debounce circuit.

20160285837, Sep 29, 2016

Jun 8, 2016

15/177139

Lukai Cai - San Diego CA, US
Jose R. Menendez - Encinitas CA, US
Roy Benjamin Silverstein - San Diego CA, US

QUALCOMM Incorporated - San Diego CA

H04L 29/06
H04L 9/14
H04W 12/02

Techniques for detecting and dealing with a lost electronics device are disclosed. In one design, the device may autonomously determine whether it is lost. The device may destroy at least one component to render it inoperable and may perform other actions in response to determining that it is lost. In another design, the device may determine available battery power of the device upon determining that it is lost, select at least one action in a list of possible actions based on the available battery power, and perform the selected action(s). In yet another design, upon determining that it is lost, the device may prevent access to information on the device based on a secondary security key, which is not used for encrypting information during normal operation. In yet another design, the device may notify at least one contact and may perform at least one additional action upon determining that it is lost.

20160286389, Sep 29, 2016

Jun 8, 2016

15/177092

Lukai Cai - San Diego CA, US
Jose R. Menendez - Encinitas CA, US
Roy Benjamin Silverstein - San Diego CA, US

QUALCOMM Incorporated - San Diego CA

H04W 12/02
H04L 29/06

Techniques for detecting and dealing with a lost electronics device are disclosed. In one design, the device may autonomously determine whether it is lost. The device may destroy at least one component to render it inoperable and may perform other actions in response to determining that it is lost. In another design, the device may determine available battery power of the device upon determining that it is lost, select at least one action in a list of possible actions based on the available battery power, and perform the selected action(s). In yet another design, upon determining that it is lost, the device may prevent access to information on the device based on a secondary security key, which is not used for encrypting information during normal operation. In yet another design, the device may notify at least one contact and may perform at least one additional action upon determining that it is lost.

20140371944, Dec 18, 2014

Jun 16, 2013

13/918962

- San Diego CA, US
ZENGHUI ZHAO - SAN DIEGO CA, US
VINAY MITTER - SAN DIEGO CA, US
ROY SILVERSTEIN - SAN DIEGO CA, US
ANKUR JAIN - SAN DIEGO CA, US
JON ANDERSON - BOULDER CO, US

Qualcomm Incorporated - San Diego CA

G01K 7/16
G05D 23/20

700299, 374183

Various embodiments of methods and systems for estimating environmental ambient temperature of a portable computing device (“PCD”) from electrical resistance measurements taken voice coils in a speaker or microphone component are disclosed. In an exemplary embodiment, it may be recognized that the PCD is in an idle state, thus producing little or no thermal energy. Electrical resistance measurements are taken from a voice coil and used to estimate the environmental ambient temperature to which the PCD is exposed. Certain embodiments may simply render the estimated ambient temperature for the benefit of the user or use the estimated ambient temperature as an input to a program or application running on the PCD. It is envisioned that certain embodiments of the systems and methods may use the estimated ambient temperature to adjust temperature thresholds in the PCD against which thermal management policies govern thermally aggressive processing components.