Patents by Inventor Nelson Shen

Nelson Shen 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).

  • Apparatus and method for storage and playback of video images and audio messages in multipoint videoconferencing
    Patent number: 5886734
    Abstract: In a multipoint control unit for conferencing audiovisual terminals, conference participants are greeted with audio and video welcome messages and then placed in an automated queue. The automated queue is a holding queue from which a conference operator can select the next available conference participant in the queue and conduct a subconference. Apparatus in the multipoint control unit includes a memory for storing video data and a processor coupled to the memory for controlling playback of the video data to a connected terminal during conference setup.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: March 23, 1999
    Assignee: VideoServer, Inc.
    Inventors: Daniel F. Ozone, Christopher L. Dischino, Nelson Shen, Vilas V. Bhade, Tak Szeto, Brittain S. McKinley, Peter J. Donovan, Daniel E. Zeck, Charles F. Sharkey
  • Coaxial cable connector
    Patent number: 5865654
    Abstract: An inexpensive coaxial cable connector, and an inexpensive contact which is suitable for use in an such an inexpensive coaxial cable connector, the connector and the contact being capable of passing electrical signals from low frequency power up to and including telecommunications signals in the range of 1 GHz or more. The connector comprises an elongate, hollow, conductive, cylindrical barrel having an inner radius, R.sub.BARREL, and a first longitudinal axis; and an elongate, conductive contact. The contact has a first end and a second end which define a length therebetween, a second longitudinal axis, and comprises a cylindrical section. The cylindrical section has an outer radius, R.sub.CONTACT, which is less than R.sub.BARREL.
    Type: Grant
    Filed: January 23, 1997
    Date of Patent: February 2, 1999
    Assignee: Raychem Corporation
    Inventors: Gerald Shimirak, Philip Vail, Nelson Shen, Nils Wydler, Anthony Vranicar, Gary Wagner, Mohamed Higgy, Mel Nance
  • Sealed electronic packaging for environmental protection of active electronics
    Patent number: 5739463
    Abstract: An environmentally sealed electronics assembly. The assembly includes a flexible envelope surrounding the active electronics board. The electronics board is insertable into the envelope and with subsequent sealing provides a reenterable but environmentally sealed active electronics package. Methods of manufacturing the assembly are also described.
    Type: Grant
    Filed: March 2, 1995
    Date of Patent: April 14, 1998
    Assignee: Raychem Corporation
    Inventors: Steve Diaz, Dave Horsma, Narendra Kulkarni, Peter Lundquist, Akira Nakazato, Nelson Shen, Paul von der Lippe