Patents by Inventor David P. Chandler

David P. Chandler 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).

  • Patent number: 5430889
    Abstract: An automatic power control system for a cellular mobile radio system, comprising: a control center via which a plurality of base stations, each serving a cell, are linked to facilitate mutual communication between mobile units which gain access to the cellular mobile radio system via the base stations; at least two mobile units distinguishable by identification codes, the mobile units being arranged to transmit, in addition to an identification code unique to each mobile unit, a data sequence common to each mobile unit, but transmitted by each mobile unit at a nominally different time within each burst; each of said the stations including correlator operative to discriminate between signals from mobile units within its own cell and interfering signals from mobile units in adjacent cells and a data logger; and a data processing unit located at the control center and arranged to merge data from the data loggers located at each of the base stations, which serves to store the results of correlation of the data se
    Type: Grant
    Filed: August 27, 1993
    Date of Patent: July 4, 1995
    Assignee: Roke Manor Research Limited
    Inventors: Anthony P. Hulbert, David P. Chandler
  • Patent number: 4264114
    Abstract: An electrical connector assembly having an electrical connector with an elongate main body with a socket in one long edge thereof with first and second rows of conductive leads extending outwardly from the opposite long edge, a first row of leads bent 90.degree. to the plane of the edge with the other row of leads being bent angularly with the free ends thereof bent again in parallel relation to the first row of leads, the free ends of both rows being generally parallel for insertion into apertures on a printed circuit board with the main body in adjacent proximate relation to the board with the leads secured to the board adjacent an edge portion, the edge having a width generally equal to the length of the body. A cartridge is provided for use with the connector, the cartridge including a pocket in one end thereof.
    Type: Grant
    Filed: January 5, 1979
    Date of Patent: April 28, 1981
    Assignee: Mattel, Inc.
    Inventor: David P. Chandler
  • Patent number: 4246452
    Abstract: A switch apparatus having first and second surfaces with conductive pattern segments thereon in proximate spaced overlying relation, each of the patterns being generally identical and having a circular array of alternating solid and interleaved conductive portion, one pattern being movable toward the other by tilting of a disc for providing a plurality of discrete signals.
    Type: Grant
    Filed: January 5, 1979
    Date of Patent: January 20, 1981
    Assignee: Mattel, Inc.
    Inventor: David P. Chandler
  • Patent number: D376921
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: December 31, 1996
    Assignee: Henredon Furniture Industries, Inc.
    Inventor: David P. Chandler
  • Patent number: D376926
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: December 31, 1996
    Assignee: Henredon Furniture Industries, Inc.
    Inventor: David P. Chandler
  • Patent number: D379721
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: June 10, 1997
    Assignee: Henredon Furniture Industries, Inc.
    Inventor: David P. Chandler