Patents by Inventor Ian R. Smart

Ian R. Smart 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).

  • Method and device for foreign language learning and teaching by means of recordings
    Patent number: 4170834
    Abstract: The device consists of an instructor station (1) connected to a number of paired learner stations (2, 3). The instructor station comprises two twin channel recording-playback machines (4, 5) and a switching, mixing and amplifying device to supply the learner stations (2, 3) through connecting cables (7) and junction boxes (8) in accordance with the various steps of the teaching process. The learner stations are each equipped with a headset having two independent earphones. Two mobile microphones (10, 11) may be connected to the microphone input sockets (12, 13) provided on the switching, mixing and amplifying device (6) and the junction boxes (8) (FIG. 4).
    Type: Grant
    Filed: April 6, 1977
    Date of Patent: October 16, 1979
    Inventor: Ian R. Smart