Patents Assigned to Mitsubishi Digital Electronics America, Inc.
  • Patent number: 8021000
    Abstract: A flat projection television comprising an imagine engine mounted adjacent a top of an enclosure and optically coupled to a collimator mirror, a flat mirror, a mirror assembly comprising a plurality of cylindrical mirrors, and a diffuser screen. The image engine includes a cylindrical lens which expands an outgoing image horizontally. The image engine projects the image downward from the top of the enclosure toward the bottom of the enclosure where the horizontally expanding image encounters the collimator mirror which collimates the expanding beam bringing the horizontal lines back into parallel with one another. The collimator mirror also reflects the collimated image towards the front of the enclosure where it encounters the flat mirror oriented to deflect the image upward into the mirror box location of the enclosure at an appropriate angle.
    Type: Grant
    Filed: May 11, 2009
    Date of Patent: September 20, 2011
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventor: Jerry B. Lowe
  • Patent number: 7954126
    Abstract: Apparatus, methods, and systems for centrally and uniformly controlling the operation of a variety of devices, such as communication, consumer electronic, audio-video, analog, digital, 1394, and the like, over a variety of protocols within a network system and, more particularly, a control system and uniform user interface for centrally controlling these devices in a manner that appears seamless and transparent to the user. In a preferred embodiment, a command center or hub of a network system includes a context and connection permutation sensitive control system that enables centralized and seamless integrated control of all types of input devices. The control system preferably includes a versatile icon based graphical user interface that provides a uniform, on-screen centralized control system for the network system.
    Type: Grant
    Filed: October 11, 2010
    Date of Patent: May 31, 2011
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventors: Polly Stecyk, Brian Peterson, Brian D Maxson, Pavel Houda, George E. Palmer, Shenta T. Pu, Martin Zanfino, Robert A. Perry
  • Patent number: 7941821
    Abstract: Apparatus, methods, and systems for centrally and uniformly controlling the operation of a variety of devices, such as communication, consumer electronic, audio-video, analog, digital, 1394, and the like, over a variety of protocols within a network system and, more particularly, a control system and uniform user interface for centrally controlling these devices in a manner that appears seamless and transparent to the user. In a preferred embodiment, a command center or hub of a network system includes a context and connection permutation sensitive control system that enables centralized and seamless integrated control of all types of input devices. The control system preferably includes a versatile icon based graphical user interface that provides a uniform, on-screen centralized control system for the network system.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: May 10, 2011
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventors: Polly Stecyk, Brian Peterson, Brian D. Maxson, Pavel Houda, George E. Palmer, Shenta T. Pu, Martin Zanfino, Robert A. Perry
  • Patent number: 7889678
    Abstract: Systems and methods that facilitate the selection and connection of sub-devices managed by virtual device or logical units (LUs) within a network. In one exemplary embodiment, LU connections are preferably brought to the IP layer using HTTP commands and responses. These IP layer commands are used to communicate connection information among the LUs involved in the connection and to allow for LUs to determine which sub-devices within the LU will be used in a connection. When the specific details have been determined, the sink device will work at the network specific level to make the actual connection. This allows for the connections between LUs to be network independent until all of the specific details of the connection have been determined. After that, a connection is established using network specific commands and protocols.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: February 15, 2011
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventor: Brian Peterson
  • Patent number: 7814516
    Abstract: Apparatus, methods, and systems for centrally and uniformly controlling the operation of a variety of devices;, such as communication, consumer electronic, audio-video, analog, digital, 1394, and the like, over a variety of protocols within a network system and, more particularly, a control system and uniform user interface for centrally controlling these devices in a manner that appears seamless and transparent to the user. In a preferred embodiment, a command center or hub of a network system includes a context and connection permutation sensitive control system that enables centralized and seamless integrated control of all types of input devices. The control system preferably includes a versatile icon based graphical user interface that provides a uniform, on-screen centralized control system for the network system.
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: October 12, 2010
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventors: Polly Stecyk, Brian Peterson, Brian D Maxson, Pavel Houda, George E. Palmer, Shenta T. Pu, Martin Zanfino, Robert A. Perry
  • Patent number: 7809210
    Abstract: Systems and methods are provided that facilitate grey level magnification to improve details and contrast for a dark scene of video on a digital display system. Preferably implemented over a limited pixel level range, the video enhancement process counts the number of pixels corresponding to each level within the range in a frame and then, based on the percent level distribution of the pixels, calculates the stack of percentage distribution. From the stack of percentage distribution, a transformation process is performed to reassign the pixel values over a dark level range and to expand the distribution of the pixels. The result of transformation enhances the details and contrast of the dark area significantly without affecting the bright scene. By only applying the algorithm to dark scenes, computation loads are reduced compared with some of the full picture processing methods. Lower computational loads are important to reduce motion artifacts in high speed video applications.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: October 5, 2010
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventor: Wang-He Lou
  • Patent number: 7797718
    Abstract: Apparatus, methods, and systems for centrally and uniformly controlling the operation of a variety of devices, such as communication, consumer electronic, audio-video, analog, digital, 1394, and the like, over a variety of protocols within a network system and, more particularly, a control system and uniform user interface for centrally controlling these devices in a manner that appears seamless and transparent to the user. In a preferred embodiment, a command center or hub of a network system includes a context and connection permutation sensitive control system that enables centralized and seamless integrated control of all types of input devices. The control system preferably includes a versatile icon based graphical user interface that provides a uniform, on-screen centralized control system for the network system.
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: September 14, 2010
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventors: Polly Stecyk, Brian Peterson, Brian D Maxson, Pavel Houda, George E. Palmer, Shenta T. Pu, Martin Zanfino, Robert A. Perry
  • Patent number: 7782407
    Abstract: A remote control unit for an entertainment system comprising a television or other display device, and a plurality of peripheral devices connected to the televisions. The remote control unit is adapted to send and receive information signals to and from the television and to the peripheral devices to control the devices. The television and remote control unit both preferably includes a receiver and transmitter and appropriate memory and logic coupled to the transmitter and receiver. Alternatively, the remote control unit preferably includes a receiver and transmitter and a repeater coupled to the receiver and the transmitter. In operation, the remote control unit sends commands to the television, which responds by sending information or a specific command back to the remote control unit. The remote control unit then retrieves and sends a specific command or repeats and sends the command received from the television to the appropriate peripheral device.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: August 24, 2010
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventor: James E. Hicks
  • Patent number: 7733429
    Abstract: Systems and methods are provided that facilitate automatic convergence and geometry alignment in projection systems. Preferably, an optical element such as a lens array is coupled to all areas of the projection system's screen and to a detector element such as a photocell array. In operation, each lens of the lens array is adapted to map an individual portion or region of the screen onto the photocell array. A microprocessor, controller or the like uses the data output from the photocells to instruct an alignment controller to center or steer the beams to compensate for convergence error at a particular location. In a center alignment mode, four (4) or more beacon dots located about the periphery of the screen are detected to determine screen size and position, which is used to center the video image and the centers of the mapped regions on the screen.
    Type: Grant
    Filed: April 1, 2004
    Date of Patent: June 8, 2010
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventors: Brian Maxson, James E. Hicks
  • Patent number: 7710504
    Abstract: A remote control system and method comprising a television and a light pointing apparatus adapted, in a first embodiment, to transmit a first narrow beam having a first frequency corresponding to visible light, which is used to give an indication of where the pointer is pointed, and a second expanded beam surrounding the first beam and comprising a second frequency corresponding to infrared light. In a second embodiment, the pointer transmits a single frequency modulated light beam. In operation, the beam of light is shown on the television screen to activate an on screen menu based user interface via a photo sensor, microprocessor and onscreen display controller. Screen menu items appear on the screen positioned around the periphery of the screen. The user then moves the beam of light on the screen to the periphery of the screen to optically engage one of the plurality of photo conductors, which triggers an appropriate menu sequence or the performance of a television function such as, e.g., channel up.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: May 4, 2010
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventor: Jerry B. Lowe
  • Patent number: 7690017
    Abstract: Apparatus, methods, and systems for centrally and uniformly controlling the operation of a variety of devices, such as communication, consumer electronic, audio-video, analog, digital, 1394, and the like, over a variety of protocols within a network system and, more particularly, a control system and uniform user interface for centrally controlling these devices in a manner that appears seamless and transparent to the user. In a preferred embodiment, a command center or hub of a network system includes a context and connection permutation sensitive control system that enables centralized and seamless integrated control of all types of input devices. The control system preferably includes a versatile icon based graphical user interface that provides a uniform, on-screen centralized control system for the network system.
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: March 30, 2010
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventors: Polly Stecyk, Brian Peterson, Brian Maxon, Pavel Houda, George E. Palmer, Shenta T. Pu, Martin Zanfino, Robert A. Perry
  • Patent number: 7619692
    Abstract: Apparatus, methods, and systems for centrally and uniformly controlling the operation of a variety of devices, such as communication, consumer electronic, audio-video, analog, digital, 1394, and the like, over a variety of protocols within a network system and, more particularly, a control system and uniform user interface for centrally controlling these devices in a manner that appears seamless and transparent to the user. In a preferred embodiment, a command center or hub of a network system includes a context and connection permutation sensitive control system that enables centralized and seamless integrated control of all types of input devices. The control system preferably includes a versatile icon based graphical user interface that provides a uniform, on-screen centralized control system for the network system.
    Type: Grant
    Filed: August 15, 2005
    Date of Patent: November 17, 2009
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventors: Brian Maxon, Polly Stecyk, Brian Peterson, Pavel Houda, George E. Palmer, Shenta T. Pu, Martin Zanfino, Robert A. Perry, Sorin I. Teodorescu, David M. Mann
  • Patent number: 7530694
    Abstract: A flat projection television comprising an imagine engine mounted adjacent a top of an enclosure and optically coupled to a collimator mirror, a flat mirror, a mirror assembly comprising a plurality of cylindrical mirrors, and a diffuser screen. The image engine includes a cylindrical lens which expands an outgoing image horizontally. The image engine projects the image downward from the top of the enclosure toward the bottom of the enclosure where the horizontally expanding image encounters the collimator mirror which collimates the expanding beam bringing the horizontal lines back into parallel with one another. The collimator mirror also reflects the collimated image towards the front of the enclosure where it encounters the flat mirror oriented to deflect the image upward into the mirror box location of the enclosure at an appropriate angle.
    Type: Grant
    Filed: February 1, 2006
    Date of Patent: May 12, 2009
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventor: Jerry B. Lowe
  • Patent number: 7456906
    Abstract: Systems and methods are provided that facilitate detection and processing of A/V device power status in A/V networks. Preferably, a power detection system includes a current sensor coupled to the power cord of an A/V device, a current-to-voltage converter coupled to the sensor, a voltage comparator coupled to the converter, a reference voltage output circuit coupled to the comparator, and a micro-controller coupled to the comparator and the reference voltage output circuit. In operation, the current being drawn by the A/V device through its power cord is detected and converted to an input voltage, which is then compared to a device specific threshold voltage. If the input voltage is not greater than the threshold voltage, a “Power On” command is sent to the A/V device and the detection, conversion and comparison process is repeated. If the input voltage is greater than the threshold voltage, desired commands and/or instructions are sent to the A/V device.
    Type: Grant
    Filed: January 16, 2004
    Date of Patent: November 25, 2008
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventors: Tetsuya Shimizu, Atul Batra, Wang He Lou
  • Patent number: 7315417
    Abstract: An apparatus and methods that facilitate efficient and easy installation of a display screen and protective shield onto a cabinet of a display unit such as a projection TV (PTV) and the like. Preferably, a screen frame and bezel clip system includes a bezel clip having a latch arm releaseably coupleable to catch arm extending from or attached to a cabinet side wall of a display unit. The bezel clip further includes one or more receptacles sized and shaped to receive and retain a side or edge portion of one or more screens. The catch arm is preferably deformable under pressure and returns to a pre-stressed orientation when the pressure is removed. Alternatively, a screen frame and bezel mount system includes a stiffener member adapted to couple a bezel member to a cabinet side wall of a display unit. The bezel member includes one or more receptacles sized and shaped to receive and retain a side or edge portion of one or more screens.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: January 1, 2008
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventors: Luan Chi Chen, James E. Hicks, Jeffrey G. Whitelaw
  • Patent number: 7196741
    Abstract: Systems and methods that facilitate automatic convergence and geometry alignment in projection systems such as a PTV. The automatic convergence system (ACS) preferably includes a CCD camera mounted inside the PTV and focused on the entire inside of a projection screen Fresnel lens. Alternatively, the ACS may include a deployable reflective sheet, preferably in the form of a roll up screen. In operation, signals from the CCD camera corresponding to test patterns projected onto the Fresnel lens or reflective sheet are analyzed and used to align, center or steer raster patterns to compensate for convergence error at a particular location. In a convergence mode, the video is blanked and then successive monochrome video test patterns are projected on the screen.
    Type: Grant
    Filed: October 15, 2003
    Date of Patent: March 27, 2007
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventor: James E. Hicks
  • Patent number: 7161638
    Abstract: A spring mounting clip is provided that preferably includes a spring arm coupled to and extending from a mounting base. The spring arm bends aside as the mirror is pressed against the back wall of a PTV enclosure and spring back to its original unstressed position once the mirror engages a notch in the lower arm portion. The notch preferably includes a locking surface that abuts and constrains the mirror. Alternatively, a spring mounting clip is provided that includes a spring lever arm coupled to and extending between a pair of support legs, which extend up generally at right angles from mounting feet. In operation, the arm, which includes a locking member moves inwardly toward the support legs as a mirror or other object presses against the arm and moves outwardly or freely springs away from the support legs once the mirror or object passes a transition region of the lower portion of the arm and is received by the locking member.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: January 9, 2007
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventor: Jerry B. Lowe
  • Patent number: 6948692
    Abstract: The present invention is directed to a mounting clip that facilitates easy installation and removal of protective shields for PTVs and other video display units. The clip preferably comprises a base attached to the protective shield and a thin walled body extending from the base. An forward lobe of the body includes a generally semi-circular nose and a locking member protruding from the body adjacent the base of the nose. A rear lobe of the body is preferably non-contiguous at a base end on the same side of the body from which the locking member protrudes to form a spring-like lever arm. The base end of the lever arm is preferably bent inwardly to form a push or handle member. In operation, the clip snaps into predetermined grooves positioned about the periphery of the display unit screen. Once inserted into the groove, the locking member abuts a stepped surface formed in the wall of the groove to removably lock the clip in place.
    Type: Grant
    Filed: September 16, 2003
    Date of Patent: September 27, 2005
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventor: Joseph Daniel Leachman
  • Patent number: 6943696
    Abstract: Systems and methods for preventing signal jamming within a consumer electronics system comprising a remote control, interpreting device, and audio/video device. A plurality of primary messages are generated by, and wirelessly transmitted from, the remote control in response to a continuous operation of a remote function key. One or more quiescent periods are located between adjacent messages within the plurality of primary messages. The primary messages are received and interpreted by the interpreting device, which, in the preferred embodiment, is implemented as a television. The entirety of the one or more secondary messages are then transmitted from the interpreting device to the audio/video device during the one or more quiescent periods. In this manner, no portions of the primary and secondary messages are transmitted during the same time, preventing the signal jamming at the audio/video unit.
    Type: Grant
    Filed: February 5, 2004
    Date of Patent: September 13, 2005
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventors: Brian Dean Maxson, Adrian Hulse
  • Patent number: 6944876
    Abstract: Systems, methods and apparatus are provided for allowing a user to supervise personal exposure to a program exhibited by a consumer electronics device, such as a television system. The consumer electronics device includes “V-chip” circuitry that analyzes a signal and either blocks or passes the signal based on certain content-based criteria. In this connection, a user can program the “V-chip” circuitry with the preset content-based criteria in the form of preset content-based specification sets, which are stored in the consumer electronics device by the manufacturer. The preset content-based specification sets specify either allowable or objectionable content within a program signal received by the consumer electronics device. The “V-chip” circuitry receives a content-based indicator set, which is indicative of the actual content of the program signal. One of the preset content-based specification sets is conveniently selected by a user.
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: September 13, 2005
    Assignee: Mitsubishi Digital Electronics America, Inc.
    Inventor: Jeffrey G. Whitelaw