Patents by Inventor Colin Howard Stanwell Smith

Colin Howard Stanwell Smith 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).

  • Mechanical gearing
    Patent number: 4059030
    Abstract: A mechanical gearing with a first rotatable member, three spherical balls in contact with and rotated by the first member, a second relatively flexible member in contact with the balls and a third rigid member fixed with respect to the second member and against which the second member is urged by the balls so that the second and third members rotate with respect to each other.
    Type: Grant
    Filed: November 25, 1975
    Date of Patent: November 22, 1977
    Assignee: Strathearn Audio Limited
    Inventors: Alexander Bennett Gosling, Dexter Robert Plummer, Colin Howard Stanwell-Smith
  • Control device
    Patent number: 4046386
    Abstract: Method and apparatus for accurately controlling the position of a first member such as a phonograph stylus relative to a second movable member on which it is carried.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: September 6, 1977
    Assignee: Strathearn Audio Limited
    Inventors: Alexander Bennett Gosling, Keith Douglas Ridler, Frederick James Easthope, Colin Howard Stanwell-Smith
  • Method and apparatus for indicating angular displacement
    Patent number: 4032158
    Abstract: A tone arm for a record player having a mirror at one end is provided. Opposite the mirror are a light source and two detector elements. When the tone are pivots from a desired angle light from the source is reflected upon the element more than on the other. The mirror is convexly curved so that pivotal motions of the tone arm in one plane will not affect the amount of light reaching the detectors.
    Type: Grant
    Filed: September 3, 1975
    Date of Patent: June 28, 1977
    Assignee: Strathearn Audio Limited
    Inventors: Colin Howard Stanwell-Smith, Dexter Robert Plummer, Frederick James Easthope, Jonathan Humfrey Pope
  • Bearing arrangement
    Patent number: 4026611
    Abstract: A bearing arrangement for a spindle including a bush having tapered ends and members having internally tapered surfaces arranged to cooperate with the tapered ends, and means to clamp the members towards one another upon the bush to support a spindle passing through the bush.
    Type: Grant
    Filed: December 3, 1975
    Date of Patent: May 31, 1977
    Assignee: Strathearn Audio Limited
    Inventors: Colin Howard Stanwell-Smith, John Alfred William Aldous
  • Method and apparatus for use in cleaning a gramophone disc
    Patent number: 3992018
    Abstract: A combination of a turntable for playing phonograph records, a lid covering the turntable, tone arm for tracking record grooves, and a cleaning element mounted on the lid for movement into contact with a constant annular area on the top side of the record for cleaning. A counterbalance weight controls the pressure of the cleaning element upon the record.
    Type: Grant
    Filed: January 31, 1975
    Date of Patent: November 16, 1976
    Assignee: Strathearn Audio Limited
    Inventors: Dexter Robert Plummer, Gerald Avison, Colin Howard Stanwell-Smith, Keith Douglas Ridler
  • Phonograph record detecting arrangement
    Patent number: 3966330
    Abstract: The presence and size of a recorded disc on a turntable is detected and indicated by the interruption of a beam or beams of energy which passes in the plane of the disc, through a hole or holes in a turntable, or beneath the turntable.
    Type: Grant
    Filed: November 27, 1974
    Date of Patent: June 29, 1976
    Assignee: Strathearn Audio Limited
    Inventors: Keith Douglas Ridler, Colin Howard Stanwell-Smith
  • Coin feeding devices
    Patent number: 3933162
    Abstract: Apparatus for feeding coins one at a time into a coin-operated device, comprising a disc mounted for rotation about an axis tilted from the horizontal, an entry guide arranged to drop the coins onto the disc, and pairs of protruding pins on the disc which are arranged to engage the coins and carry them around the disc to an exit chute. Elongate brush-like guide members facing the disc are provided to insure that the coins are guided in the desired path and do not become superimposed on one another but are fed individually to the exit.
    Type: Grant
    Filed: September 3, 1974
    Date of Patent: January 20, 1976
    Assignee: Automatic Revenue Controls (Europa) Ltd.
    Inventor: Colin Howard Stanwell Smith