Patents by Inventor Leonardo W. Estevez
Leonardo W. Estevez has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9521614Abstract: A method for automation and control of a wireless device in a WiFi environment. The method includes a wireless mobile device configured with a soft access point (softAP) transmitting probe requests to home automation devices and traditional stationary access points. The wireless mobile device periodically wakes up to scan for other services, sends a probe request, authenticates the received probe response from the another device and receives control information via the received probe response.Type: GrantFiled: September 23, 2013Date of Patent: December 13, 2016Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Leonardo W. Estevez, Paul Kimelman, Avraham Baum
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Patent number: 9159276Abstract: According to one embodiment of the present invention, a method for creating bit planes from frame data for a digital mirror device is disclosed including forming data elements comprising bits of equal significance from a plurality of pixel data in the frame data, the forming including using dual index direct memory address operations.Type: GrantFiled: December 20, 2007Date of Patent: October 13, 2015Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: James N. Malina, Leonardo W. Estevez, Gunter Schmer
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Patent number: 9088906Abstract: A master electronic circuit includes a storage representing a wireless collision avoidance networking process involving collision avoidance overhead and combined with a schedulable process including a serial data transfer process and a scheduler, a wireless modem operable to transmit and receive wireless signals for the networking process and a processor coupled with the storage and with the wireless modem and operable to execute the scheduler to establish and transmit a schedule for plural serial data transfers involving the processor and distinct station identifications, and to execute the serial data transfers inside the wireless networking process and according to the schedule so as to avoid at least some of the collision avoidance overhead. Other electronic circuits, processes of making and using, and systems are disclosed.Type: GrantFiled: June 25, 2013Date of Patent: July 21, 2015Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Assaf Sella, Leonardo W. Estevez, Ian Sherlock
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Patent number: 9002429Abstract: For delivery of a chemical to a target region of a subject's brain, an apparatus comprising a storage medium on which is stored digital representations of subject-specific selective visual stimuli that, when viewed, selectively stimulate blood flow to the target area of the brain; and an electronic display device coupled thereto and configured for converting the stored digital representations to images viewable by the subject; wherein the one or more selective visual stimuli were determined by exposing the subject to a plurality of potential stimuli; measuring the blood flow response to multiple regions of the brain, including the target area and one or more non-target areas; comparing the blood flow responses to the potential stimuli, and selecting as selective stimuli potential stimuli that result in relatively more blood flow to the target area and relatively less blood flow one or more non-target areas.Type: GrantFiled: October 21, 2009Date of Patent: April 7, 2015Assignee: Texas Instruments IncorporatedInventor: Leonardo W. Estevez
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Publication number: 20150085725Abstract: A method for automation and control of a wireless device in a WiFi environment. The method includes a wireless mobile device configured with a soft access point (softAP) transmitting probe requests to home automation devices and traditional stationary access points. The wireless mobile device periodically wakes up to scan for other services, sends a probe request, authenticates the received probe response from the another device and receives control information via the received probe response.Type: ApplicationFiled: September 23, 2013Publication date: March 26, 2015Applicant: Texas Instruments IncorporatedInventors: Leonardo W. Estevez, Paul Kimelman, Avraham Baum
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Patent number: 8917899Abstract: A system is provided that includes a processor and a network interface coupled to the processor. The system also includes a system memory coupled to the processor. The system memory stores watermarking instructions that, when executed, cause the processor to mark digital media with information that identifies the system.Type: GrantFiled: October 10, 2006Date of Patent: December 23, 2014Assignee: Texas Instruments IncorporatedInventors: Leonardo W. Estevez, Jennifer H. Webb
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Patent number: 8907794Abstract: Various cryptographic locks for securing assets, secure containers and methods of operating a cryptographic lock. One embodiment of a cryptographic lock includes: (1) a shape memory alloy (SMA) having a first and second phase, wherein the first phase inhibits access to an asset and the second phase allows access to the asset and (2) an RFID transponder, coupled to the SMA, configured to receive an authentication signal from an RFID transceiver and, based thereon, energize the SMA to temporarily change the SMA from the first phase to the second phase.Type: GrantFiled: May 30, 2008Date of Patent: December 9, 2014Assignee: Texas Instruments IncorporatedInventors: Leonardo W. Estevez, Johnsy Varghese, Steven C. Lazar
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Patent number: 8628197Abstract: Display systems and methods for mobile devices and mobile devices are disclosed. In one embodiment, a display system for a mobile device is provided. The mobile device is handheld and includes a primary display screen. The display system includes an auxiliary screen and a connecting device coupled to the auxiliary screen and attachable to the mobile device. An image from the mobile device is producible on the auxiliary screen. The display system is removable from the mobile device.Type: GrantFiled: January 15, 2013Date of Patent: January 14, 2014Assignee: Texas Instruments IncorporatedInventors: Leonardo W. Estevez, William R. Krenik, Steven E. Smith, Yoram Solomon, Jose S. Vasquez, Steven Penn
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Publication number: 20130286973Abstract: A master electronic circuit (300) includes a storage (324) representing a wireless collision avoidance networking process (332) involving collision avoidance overhead and combined with a schedulable process (345) including a serial data transfer process and a scheduler, a wireless modem (350) operable to transmit and receive wireless signals for the networking process (332), and a processor (320) coupled with the storage (324) and with the wireless modem (350) and operable to execute the scheduler to establish and transmit a schedule (110) for plural serial data transfers involving the processor (320) and distinct station identifications, and to execute the serial data transfers inside the wireless networking process and according to the schedule so as to avoid at least some of the collision avoidance overhead. Other electronic circuits, processes of making and using, and systems are disclosed.Type: ApplicationFiled: June 25, 2013Publication date: October 31, 2013Inventors: Assaf Selia, Leonardo W. Estevez, Ian Sherlock
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Patent number: 8493992Abstract: A master electronic circuit (300) includes a storage (324) representing a wireless collision avoidance networking process (332) involving collision avoidance overhead and combined with a schedulable process (345) including a serial data transfer process and a scheduler, a wireless modem (350) operable to transmit and receive wireless signals for the networking process (332), and a processor (320) coupled with the storage (324) and with the wireless modem (350) and operable to execute the scheduler to establish and transmit a schedule (110) for plural serial data transfers involving the processor (320) and distinct station identifications, and to execute the serial data transfers inside the wireless networking process and according to the schedule so as to avoid at least some of the collision avoidance overhead. Other electronic circuits, processes of making and using, and systems are disclosed.Type: GrantFiled: January 27, 2011Date of Patent: July 23, 2013Assignee: Texas Instruments IncorporatedInventors: Assaf Sella, Leonardo W. Estevez, Ian Sherlock
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Patent number: 8249666Abstract: Tamper-resistant circuitry for use with an electronic device is provided, where the electronic device comprises a plurality of connections for coupling the tamper-resistant circuitry to functional circuitry for performing functionality in connection with the electronic device. The tamper-resistant circuitry comprises an interface for coupling to the plurality of connections and a power source for coupling to at least one connection in the plurality of connections. The tamper-resistant circuitry further comprises circuitry operable to evaluate a measure of an operational parameter related to the power source and in response to a signal at at least one connection in the plurality of connections, to provide an acceptable range for the operational parameter, and to inhibit standard operation of the functional circuitry in response to detecting an anomaly in the functional circuitry by detecting that the measure is outside the acceptable range.Type: GrantFiled: September 28, 2007Date of Patent: August 21, 2012Assignee: Texas Instruments IncorporatedInventors: Leonardo W. Estevez, James F. Hollander
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Patent number: 8184154Abstract: A surveillance method periodically detects an image of the area, identifies and tracks each moving object in a succession of the detected images, detects radio frequency emissions from the area and correlates an identified object with a detected radio frequency emission. The method detects events in the tracking of the moving object. The method stores corresponding data optionally including image data in non-volatile memory upon detection of a combination of an event and a corresponding radio frequency emission. The method triggers an alarm such as an audible alarm, a visual alarm, an email, a short text message or a telephone call detection of a combination of an event and a corresponding radio frequency emission.Type: GrantFiled: February 27, 2007Date of Patent: May 22, 2012Assignee: Texas Instruments IncorporatedInventors: Leonardo W. Estevez, Keith G. Gutierrez
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Publication number: 20120106528Abstract: A system and method for accessing a wireless network via unified protocol stack. In one embodiment a wireless networking system includes a wireless device. The wireless device includes a first wireless transceiver, a second wireless transceiver, a processor, and a unified protocol stack. The first wireless transceiver is configured for communication via a first wireless network. The second wireless transceiver is configured for communication via a second wireless network. The unified protocol stack includes first protocols defined for accessing the first wireless network and second protocols defined for accessing the second wireless network. The unified protocol stack includes instructions that cause the processor to access the first wireless network via the first wireless transceiver using one of the second protocols.Type: ApplicationFiled: October 26, 2011Publication date: May 3, 2012Applicant: TEXAS INSTRUMENTS INCORPORATEDInventors: Leonardo W. ESTEVEZ, Yanjun SUN, Ramanuja VEDANTHAM, Ariton E. XHAFA
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Patent number: 8036703Abstract: An electronic device. The device comprises circuitry for capturing data representing an image and circuitry for detecting a wireless signal associated with an object. The device also comprises circuitry, responsive to the detecting circuitry, for storing image data from said circuitry for capturing and associating and storing, with same image data, additional data included in the wireless signal.Type: GrantFiled: December 29, 2006Date of Patent: October 11, 2011Assignee: Texas Instruments IncorporatedInventors: Richard M. Baker, Leonardo W. Estevez, Ketan P. Malani
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Publication number: 20110188391Abstract: A master electronic circuit (300) includes a storage (324) representing a wireless collision avoidance networking process (332) involving collision avoidance overhead and combined with a schedulable process (345) including a serial data transfer process and a scheduler, a wireless modem (350) operable to transmit and receive wireless signals for the networking process (332), and a processor (320) coupled with the storage (324) and with the wireless modem (350) and operable to execute the scheduler to establish and transmit a schedule (110) for plural serial data transfers involving the processor (320) and distinct station identifications, and to execute the serial data transfers inside the wireless networking process and according to the schedule so as to avoid at least some of the collision avoidance overhead. Other electronic circuits, processes of making and using, and systems are disclosed.Type: ApplicationFiled: January 27, 2011Publication date: August 4, 2011Applicant: TEXAS INSTRUMENTS INCORPORATEDInventors: Assaf Sella, Leonardo W. Estevez, Ian Sherlock
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Publication number: 20110092805Abstract: For delivery of a chemical to a target region of a subject's brain, an apparatus comprising a storage medium on which is stored digital representations of subject-specific selective visual stimuli that, when viewed, selectively stimulate blood flow to the target area of the brain; and an electronic display device coupled thereto and configured for converting the stored digital representations to images viewable by the subject; wherein the one or more selective visual stimuli were determined by exposing the subject to a plurality of potential stimuli; measuring the blood flow response to multiple regions of the brain, including the target area and one or more non-target areas; comparing the blood flow responses to the potential stimuli, and selecting as selective stimuli potential stimuli that result in relatively more blood flow to the target area and relatively less blood flow one or more non-target areas.Type: ApplicationFiled: October 21, 2009Publication date: April 21, 2011Applicant: TEXAS INSTRUMENTS INCORPORATEDInventor: Leonardo W. ESTEVEZ
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Patent number: 7742638Abstract: The present invention provides a video server. In one embodiment, the video server includes a perceptual analyzer configured to analyze frames of a video sequence and provide a video analysis file. The video server also includes a transmitter coupled to the perceptual analyzer and configured to transmit both the video sequence and the video analysis file. The present invention also provides a mobile client. In one embodiment, the mobile client includes a liquid crystal display (LCD) having a backlight and configured to provide a video sequence for the mobile client. The mobile client also includes a display processor, coupled to the LCD, configured to employ a received video analysis file to enhance at least one of a brightness and contrast of the video sequence and correspondingly reduce a backlight intensity of the backlight.Type: GrantFiled: April 26, 2006Date of Patent: June 22, 2010Assignee: Texas Instruments IncorporatedInventors: Leonardo W. Estevez, Shivshankar Ramamurthi
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Publication number: 20090322531Abstract: Various cryptographic locks for securing assets, secure containers and methods of operating a cryptographic lock. One embodiment of a cryptographic lock includes: (1) a shape memory alloy (SMA) having a first and second phase, wherein the first phase inhibits access to an asset and the second phase allows access to the asset and (2) an RFID transponder, coupled to the SMA, configured to receive an authentication signal from an RFID transceiver and, based thereon, energize the SMA to temporarily change the SMA from the first phase to the second phase.Type: ApplicationFiled: May 30, 2008Publication date: December 31, 2009Applicant: Texas Instruments IncorporatedInventors: Leonardo W. Estevez, Johnsy Varghese, Steven C. Lazar
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Publication number: 20090221232Abstract: An electronic device. The device comprises circuitry for transmitting and receiving radio frequency signals and a modulator/demodulator, coupled to the circuitry for transmitting and receiving. The device also comprises circuitry for controlling the modulator/demodulator so that in a first time period the modulator/demodulator provides an RFID excitation signal to the circuitry for transmitting and receiving and so that in a second time period the modulator/demodulator provides a cellular communications signal to the circuitry for transmitting and receiving.Type: ApplicationFiled: February 29, 2008Publication date: September 3, 2009Inventors: Leonardo W. Estevez, Steve Lazar
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Publication number: 20090164666Abstract: According to one embodiment of the present invention, a method for creating bit planes from frame data for a digital mirror device is disclosed including forming data elements comprising bits of equal significance from a plurality of pixel data in the frame data, the forming including using dual index direct memory address operations.Type: ApplicationFiled: December 20, 2007Publication date: June 25, 2009Applicant: Texas Instruments IncorporatedInventors: James N. Malina, Leonardo W. Estevez, Gunter Schmer