Shawn Murphy

Shawn Murphy

Salem, Massachusetts, United States
6K followers 500+ connections

About

Shawn Murphy has over 25 years of multi-industry and multi-disciplinary experience (buzz…

Experience

  • Titan Advanced Energy Solutions Inc. Graphic
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    Greater Boston Area

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    Cambridge, MA

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    Cambride, MA

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    Brookline, MA

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    Cambridge, MA

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    Budapest, Hungary / Novi Sad, Serbia

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    Novi Sad, Serbia

Education

Licenses & Certifications

Patents

  • Multi-functional star tracker with precision focal plane position control for small cubesat-class satellites

    Issued US US 8772690 B2

    An optical system for use in an Earth-orbiting satellite includes a plurality of image sensors disposed on a focal plane having a reference axis orthogonal thereto, optics configured to focus incident light onto the image sensors, a piezoelectric actuator coupled to the image sensors and configured to translate the image sensors in at least two axes each orthogonal to the reference axis, and at least one controller operably coupled to the plurality of image sensors and the piezoelectric…

    An optical system for use in an Earth-orbiting satellite includes a plurality of image sensors disposed on a focal plane having a reference axis orthogonal thereto, optics configured to focus incident light onto the image sensors, a piezoelectric actuator coupled to the image sensors and configured to translate the image sensors in at least two axes each orthogonal to the reference axis, and at least one controller operably coupled to the plurality of image sensors and the piezoelectric actuator. The image sensors are configured to generate at least one image frame from light detected by the plurality of image sensors, the image frame including a target star and at least one guide star. The controller is configured to stabilize the position of the target star by adjusting the position of the piezoelectric actuator based on the changes in the position of the guide star.

    Other inventors
    See patent
  • Secure extensible computing environment

    Filed US WO 2002056528 A3

    A method of downloading encrypted e-content to a terminal device (12) includes receiving a request for encrypted content from a terminal device (12). A content server (18) generates a private symmetric key and encrypts the e-content with the symmetric key . A key server (16) looks up the terminal device (12) public key in a key repository and sends the symmetric key encrypted with the public key of the terminal device (12) to the content server (18). The key server (16) generates a unique…

    A method of downloading encrypted e-content to a terminal device (12) includes receiving a request for encrypted content from a terminal device (12). A content server (18) generates a private symmetric key and encrypts the e-content with the symmetric key . A key server (16) looks up the terminal device (12) public key in a key repository and sends the symmetric key encrypted with the public key of the terminal device (12) to the content server (18). The key server (16) generates a unique license i.d. and produces an entry in a license repository. The content server (16) sends a response to the terminal device (12) including the content encrypted with the symmetric key. Transfer tickets and challenges received from the content server (18) are used to activate the e-content license. Additionally, trading of e-content licenses between users, activation of an e-content license transferred from a giver's terminal device (12) to a borrower's terminal device (12) are also supported. For viewing secure content on a personal computer a secure extensible computing environment is implemented on a personal computer peripheral card while processing of the content is performed in encrypted form in the computer. The content is delivered in encrypted form to the secure extensible computing environment on the personal computer peripheral card and decrypted therein.

    Other inventors
    • Johannes Thoma
    • Christian Schallhardt
    See patent
  • Secure extensible computing environment (hardware/software)

    Issued US US 20020152393 A1

    A method of downloading encrypted e-content to a terminal device includes receiving a request for encrypted content from a terminal device. A content server generates a private symmetric key and encrypts the e-content with the symmetric key. A key server looks up the terminal device public key in a key repository and sends the symmetric key encrypted with the public key of the terminal device to the content server. The key server generates a unique license ID and produces an entry in a license…

    A method of downloading encrypted e-content to a terminal device includes receiving a request for encrypted content from a terminal device. A content server generates a private symmetric key and encrypts the e-content with the symmetric key. A key server looks up the terminal device public key in a key repository and sends the symmetric key encrypted with the public key of the terminal device to the content server. The key server generates a unique license ID and produces an entry in a license repository. The content server sends a response to the terminal device including the content encrypted with the symmetric key. Transfer tickets and challenges received from the content server are used to activate the e-content license. Additionally, trading of e-content licenses between users, activation of an e-content license transferred from a giver's terminal device to a borrower's terminal device are also supported. For viewing secure content on a personal computer a secure extensible computing environment is implemented on a personal computer peripheral card while processing of the content is performed in encrypted form in the computer. The content is delivered in encrypted form to the secure extensible computing environment on the personal computer peripheral card and decrypted therein.

    Other inventors
    • Johannes Thoma
    • Christian Schallhart
    See patent

Languages

  • English

    Native or bilingual proficiency

  • Serbian

    Native or bilingual proficiency

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