Patents by Inventor John J. Lord

John J. Lord 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).

  • Load proximity detection techniques
    Patent number: 4299496
    Abstract: A storage rack entry vehicle for transporting loads in a warehousing system includes infrared radiation source and detector units which determine the relative position of the vehicle and load. The optical axes of the source and detector are parallel and closely-spaced. When infrared radiation from the source is scattered by the load (or a pallet carrying the load), some of the radiation is reflected back to the detector along a path substantially parallel to the optical axes. The maximum range of detection is controlled by adjusting the gain of an amplifier which forms part of the detector.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: November 10, 1981
    Assignee: Interlake, Inc.
    Inventor: John J. Lord
  • Rack entry vehicle communication system
    Patent number: 4236255
    Abstract: Improved apparatus for communicating information between a movable rack entry vehicle and a reference station by means of optical radiation, such as infrared radiation. A universal asynchronous receiver-transmitter is located on both the vehicle and the reference station so that information originating in parallel form can be communicated in serial form.
    Type: Grant
    Filed: December 15, 1978
    Date of Patent: November 25, 1980
    Assignee: Interlake, Inc.
    Inventors: Robert C. Burgener, Philip T. Martin, John J. Lord