Shifting register having improved information transferring means

Claim 1

A SHIFTING REGISTER HAVING AT LEAST TWO STORAGE ELEMENTS EACH COMPRISED OF FIRST AND SECOND TRANSISTORS WHOSE RESPECTIVE COLLECTOR ELECTRODES ARE DIRECTLY CROSSCOUPLED TO THE BASE ELECTRODE OF THE OTHER TRANSISTOR TO FORM A BISTABLE MULTIVIBRATOR CIRCUIT, EACH MULTIVIBRATOR CIRCUIT HAVING ONLY TWO INPUT TERMINALS AND A SINGLE OUTPUT TERMINAL, MEANS FOR DIRECTLY COUPLING SHIFTING PULSES TO THE FIRST ONE OF SAID INPUT TERMINALS OF EACH OF SAID MULTIVIBRATOR CIRCUITS, MEANS FOR DIRECTLY COUPLING INFORMATION PULSES TO THE SECOND INPUT TERMINAL OF SAID FIRST MULTIVIBRATOR CIRCUIT, SAID INFORMATION PULSES BEING LONGER IN DURATION THAN SAID SHIFTING PULSES AND SAID INFORMATION PULSES WHEN PRESENT HAVING AN OVERLAPPING TIME RELATIONSHIP WITH SAID SHIFTING PULSES, EACH MULTIVIBRATOR CIRCUIT BEING SET IN A FIRST STABLE STATE UPON RECEIVING ONLY A SHIFTING PULSE AND BEING SET IN A SECOND STABLE STATE UPON RECEIVING A PULSE ON ITS SECOND INPUT TERMINAL, MEANS INCLUDING A SINGLE DIFFERENTIATING CIRCUIT DIRECTLY COUPLED TO THE COLLECTOR ELECTRODE OF THE SECOND TRANSISTOR OF SAID FIRST MULTIVIBRATOR AND OPERABLE IN RESPONSE TO EACH CHANGE OF SAID FIRST MULTIVIBRATOR FROM ITS SECOND STABLE STATE TO ITS FIRST STABLE STATE TO PRODUCE A DIFFERENTIATED PULSE HAVING A DURATION SUBSTANTIALLY EQUAL TO THE DURATION OF AN INFORMATION PULSE, AND MEANS FOR DIRECTLY COUPLING SUBSTANTIALLY WITHOUT DELAY SAID DIFFERENTIATED PULSES TO THE SECOND INPUT TERMINAL OF SAID SECOND MULTIVIBRATOR CIRCUIT TO SET SAID SECOND MULTIVIBRATOR CIRCUIT IN ITS SECOND STABLE STATE WHEN SAID FIRST MULTIVIBRATOR CIRCUIT CHANGES FROM ITS SECOND STABLE STATE TO ITS FIRST STABLE STATE.