Abstract:
Character generator for developing a video signal for application to a television receiver to reproduce characters on the tube screen by a dot matrix. The signal representing each character actuates a plurality of gates for horizontal lines which are operated in turn, and each selectively triggers a set of gates associated with the dot positions along the lines which are operated in turn to produce video components which are combined to form the video signal.
Abstract:
A data storage and display system utilizing a memory register for receiving names of personnel in response to coded cards having indicia corresponding to alphanumeric characters and storing the information indicative of each alphanumeric character and displaying the same on a display screen in alphabetical order to indicate to other personnel the names of those registered. A permanent memory in combination with a memory register and shift register operate cyclically to insert new names in the memory in alphabetical order automatically upon insertion of a particular coded card into a card reader.
Abstract:
THE ELECTRONIC SENSING SYSTEM SELECTIVELY ENERGIZES AN ELECTRICAL APPARATUS A PREDETERMINED TIME AFTER THE ELECTRICAL POWER IS APPLIED TO THE SYSTEM AND IN SYNCHRONISM WITH A SIGNAL INDICATING THE APPARATUS IS READY TO BE ENERGIZED. THE ELECTRICAL APPARATUS IS DE-ENERGIZED IN RESPONSE TO BOTH A SUDDEN DECREASE IN AMPLITUDE OF A MONITORED VOLTAGE WHICH ACTIVATES A TRIGGER CIRCUIT, AND IN SYNCHRONISM WITH A SUBSEQUENT SIGNAL INDICATING THE APPARATUS IS READY TO BE DE-ENERGIZED. A SENSING CIRCUIT COMPARES THE VOLTAGE BEING MONITORED WITH A REFERENCE DERIVED FROM THIS VOLTAGE TO ACTIVATE THE TRIGGER CIRCUIT.