Patents by Inventor Ibrahim M. Salah

Ibrahim M. Salah 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).

  • Electronic digital display watch having solar and geographical functions
    Patent number: 4479722
    Abstract: In order to provide easily accessible knowledge of the correlations between time, the geographical locale and the solar positions, the watch in question in addition to time-keeping means capable of displaying the current time (8.46A) also provides means capable of storing, processing in a microprocessor mode and displaying in a particular panel mode data of solar elevation and azimuth (h 35.4) as well as date data (11 27), a computer performing correlating operations between these various values. Pushbuttons (BPH', BPM', BPB') allow using this watch in various operational and correction situations, and other pushbuttons (BPH, BPM, BPB) allow more specific commands for correction, for search operations regarding date and place based on the solar data, for storage and call from memory of the various processed data.This watch can easily be implemented as a small wrist watch.
    Type: Grant
    Filed: June 16, 1981
    Date of Patent: October 30, 1984
    Inventor: Ibrahim M. Salah
  • Electronic calculation watch with digital display
    Patent number: 4253169
    Abstract: An electronic watch with circuitry to calculate and display time under the Moslem calendar.
    Type: Grant
    Filed: February 7, 1978
    Date of Patent: February 24, 1981
    Inventor: Ibrahim M. Salah