Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Inc
Original Assignee
Western Electric Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co IncfiledCriticalWestern Electric Co Inc
Publication of ES210995A1publicationCriticalpatent/ES210995A1/en
Signal modulating transistor apparatus comprising a semiconductor material body composed of at least one first zone of a type of limiting conductivity with another area of the opposite conductivity type a normal base connection and a base auxiliary connection in the second zone one collector connection in said body and means for applying bias voltages to said connections; characterized by a circuit for applying a first signal to one of the connections a circuit connected to another of the connections in order to vary its potential and an output circuit connected to a third connection. (Machine-translation by Google Translate, not legally binding)
ES0210995A1952-08-151953-08-13
SIGNAL MODULATOR TRANSISTOR APPARATUS
ExpiredES210995A1
(en)