The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 16, 1982
Filed:
Sep. 13, 1979
Maurice Gloanec, Paris, FR;
Rene Castagne, Paris, FR;
Thomson-CSF, Paris, FR;
Abstract
A Gunn-effect device originated from a Gunn-triode wherein electrodes are added between gate and anode for receiving high and low potentials representing states 1 and 0 of a binary code. In a normal Gunn-triode a very short pulse on the gate produces a dipole domain which is propagated to the anode within a time of the order of the nanosecond. In the present device, under each finger brought temporarily to a low potential, there is produced a space charge which induces a negative pulse in the anode current of the Gunn device upon the passage of a dipole domain under the finger. Consequently, a series of successive pulses corresponds to a combination of simultaneous binary states. A digital converter using this device is proposed for converting simultaneous binary signals into successive binary signals.