Storage circuit for shift register

Claim 2

A circuit comprising: A. first and second field effect transistors each having two current flow electrodes and a gate electrode, the two transistors being connected with their current flow electrodes in series and having a given threshold value, B. storage means selectively having a given charge below said threshold value connected to the gate electrode of said first transistor, C. a data input means coupled to said storage means, D. means for supplying a pulse to the current flow electrode of said first transistor remote from said second transistor and for coupling a sufficient amount of alternating current energy from said pulse through said storage means to the gate electrode of said first transistor when the charge on said storage means is below the threshold value of said first transistor to exceed the threshold value of said first transistor momentarily, thus to turn on said first transistor for supplying the remainder of energy from said pulse Through said first transistor to the other current flow electrode independent of the state of said storage means, E. means utilizing energy from the pulse and coupled to the current flow electrode of said second transistor remote from said first transistor, and F. a clocking pulse source coupled to turn on said second transistor.

Claim 3

A shift register as in claim 1 in which the circuits are arranged in a plurality of groups, the clocking pulse sources of the storage circuits in said group providing together a series of staggered clocking pulses, the number of storage circuits in each said group corresponding to the number of different clocking pulses.

Claim 4

a capacitor connected between one of the current flow electrodes and the gate electrode of said first field effect transistor,

Claim 5

a capacitor connected between one of the current flow electrodes and the gate electrode of said first field effect transistor,

Claim 6

a third field effect transistor having two current flow electrodes and a gate electrode, a first one of the current flow electrodes and the gate electrode of said third field effect transistor being in a common connection to the current flow electrode of said first field effect transistor remote from said second field effect transistor, the other current flow electrode of said third field effect transistor being connected to the other current flow electrode of said first field effect transistor,

Claim 7

a third field effect transistor having two current flow electrodes and a gate electrode, a first one of the current flow electrodes and the gate electrode of said third field effect transistor being in a common connection to the current flow electrode of said first field effect transistor remote from said second field effect transistor, the other current flow electrode of said third field effect transistor being connected to the other current flow electrode of said first field effect transistor,

Claim 8

a pulse source connected to the first current flow electrode of said third field effect transistor,

Claim 9

a pulse source connected to the first current flow electrode of said third field effect transistor,

Claim 10

a data input to the gate of said first field effect transistor,

Claim 11

a data input to the gate of said first field effect transistor,

Claim 12

A shift register as in claim 2 in which data flow through said shift register is in a given direction and the staggered clocking pulses are applied sequentially to the circuits in said group in reverse order to the given direction.

Claim 13

The circuit of claim 1 in which said storage means is a capacitor.

Claim 14

a source of pulses connected to the current flow electrode of said first field effect transistor to which said capacitor is connected,

Claim 15

a source of pulses connected to the current flow electrode of said first field effect transistor to which said capacitor is connected,

Claim 16

a capacitor connected to the current flow electrode of the second field effect transistor remote from said first field effect transistor, and

Claim 17

a capacitor connected to the current flow electrode of the second field effect transistor remote from said first field effect transistor, and

Claim 18

a clocking pulse source connected to the gate of the second field effect transistor.

Claim 19

a clocking pulse source connected to the gate of the second field effect transistor.

Claim 20

a second field effect transistor having two current flow electrodes and a gate electrode, one of said current flow electrodes being connected to the other current flow electrode of said first field effect transistor,

Claim 21

a second field effect transistor having two current flow electrodes and a gate electrode, one of said current flow electrodes being connected to the other current flow electrode of said first field effect transistor,

Claim 22

The circuit of claim 5 in which said transistors are insulated gate field effect transistors.

Claim 23

a capacitor connected to thE other current flow electrode of said second field effect transistor, and

Claim 24

a capacitor connected to thE other current flow electrode of said second field effect transistor, and

Claim 25

The circuit of claim 6 in which the gate of an insulated gate field effect transistor is one of the electrodes of said capacitor, and a semiconductor substrate in which said transistor is formed is the other electrode of said capacitor.

Claim 26

A storage circuit comprising: A. a first field effect transistor having two current flow electrodes and a gate electrode, B. a capacitor connected between one of the current flow electrodes and the gate electrode of said first field effect transistor, C. a data input to the gate of said first field effect transistor, D. means for supplying a pulse of sufficient magnitude to allow coupling of enough energy from said pulse through said capacitor to the gate of said transistor to exceed its threshold in the absence of charge on said capacitor, thereby to supply the remaining energy of said pulse through said first transistor to the other current flow electrode independent of the state of said storage means, connected to the current flow electrode of said first field effect transistor to which said capacitor is connected, E. a second field effect transistor having two current flow electrodes and a gate electrode, one of said current flow electrodes being connected to the other current flow electrode of said first field effect transistor, F. a capacitor connected to the other current flow electrode of said second field effect transistor, and G. a clocking pulse source connected to the gate of said second field effect transistor.

Claim 27

A storage circuit comprising: A. a first field effect transistor having two current flow electrodes and a gate electrode, B. a capacitor connected between one of the current flow electrodes and the gate electrode of said first field effect transistor, C. a data input to the gate of said first field effect transistor, D. means for supplying a pulse of sufficient magnitude to allow coupling of enough energy from said pulse through said capacitor to the gate of said transistor to exceed its threshold in the absence of charge on said capacitor, thereby to supply the remaining energy of said pulse through said first transistor to the other current flow electrode independent of the state of said storage means, connected to the current flow electrode of said first field effect transistor to which said capacitor is connected, E. a second field effect transistor having two current flow electrodes and a gate electrode, one of said current flow electrodes being connected to the other current flow electrode of said first field effect transistor, F. a capacitor connected to the other current flow electrode of said second field effect transistor, and G. a clocking pulse source connected to the gate of said second field effect transistor.

Claim 28

a clocking pulse source connected to the gate of said second field effect transistor; B. a data input storage circuit at the beginning of said shift register; and C. a data output storage circuit at the end of said shift register; said data input and data output storage circuits each comprising:

Claim 29

a clocking pulse source connected to the gate of said second field effect transistor; B. a data input storage circuit at the beginning of said shift register; and C. a data output storage circuit at the end of said shift register; said data input and data output storage circuits each comprising:

Claim 30

A shift register as in claim 8 in which said capacitor connected between one electrode and the gate of said first field effect transistor is also the capacitor connected to the other electrode of the second field effect transistor of a previous storage circuit in said shift register, and said capacitor connected to the other electrode of said second field effect transistor is also the capacitor connected between one of the current flow electrodes and the gate electrode of the first field effect transistor of a subsequent storage circuit in said shift register.

Claim 31

A shift register comprising: A. an interconnected plurality of storage circuits comprising:

Claim 32

A shift register comprising: A. an interconnected plurality of storage circuits comprising:

Claim 33

A storage circuit as in claim 7 additionally comprising: A. a capacitor connected between the gate and the current flow electrode of said second field effect transistor which is connected to said first field effect transistor.

Claim 34

A storage circuit comprising: A. first and second field effect transistors, each having two current flow electrodes and a gate electrode, the two transistors being connected with their current flow electrodes in series, B. a first capacitor connected between the gate of said second field effect transistor and the current flow electrode of said second field effect transistor which is connected to a current flow electrode of said first field effect transistor, C. a clocking pulse source connected to the gate of said second field effect transistor, D. a data input to the gate of the first field effect transistor, E. a second capacitor connected between the gate of said first field effect transistor and its current flow electrode remote from said second field effect transistor, and F. means for applying a charge to said first capacitor prior to a pulse from said clocking pulse source and through said first field effect transistor by applying a sufficient pulse to the current flow electrode of said first field effect transistor remote from said second field effect transistor to couple enough energy through said second capacitor to exceed the threshold of said first field effect transistor in the absence of charge on said second capacitor, thus to supply the remaining energy of said pulse to the other current flow electrode independent of the state of said second capacitor.

Claim 35

A storage circuit comprising: A. first and second field effect transistors, each having two current flow electrodes and a gate electrode, the two transistors being connected with their current flow electrodes in series, B. a first capacitor connected between the gate of said second field effect transistor and the current flow electrode of said second field effect transistor which is connected to a current flow electrode of said first field effect transistor, C. a clocking pulse source connected to the gate of said second field effect transistor, D. a data input to the gate of the first field effect transistor, E. a second capacitor connected between the gate of said first field effect transistor and its current flow electrode remote from said second field effect transistor, and F. means for applying a charge to said first capacitor prior to a pulse from said clocking pulse source and through said first field effect transistor by applying a sufficient pulse to the current flow electrode of said first field effect transistor remote from said second field effect transistor to couple enough energy through said second capacitor to exceed the threshold of said first field effect transistor in the absence of charge on said second capacitor, thus to supply the remaining energy of said pulse to the other current flow electrode independent of the state of said second capacitor.

Claim 36

The storage circuit of claim 11 in which said means for applying a charge to said capacitor is another capacitor connected between the current flow electrode of said first field effect transistor remote from said second field effect transistor and the gate of said first field effect transistor, and a source of pulses connected to the current flow electrode of said first field effect transistor to which said another capacitor is connected.

Claim 37

A storage circuit comprising: A. first and second serially connected field effect transistors, B. data storage means controlling said first transistor, C. means for applying a control pulse to said second transistor, and D. pulse means, independent of the control pulse from said means for applying a control pulse, for supplying energy through said first and second transistor for utilization at an output depending upon tHe state of said data storage means, said energy being supplied through said first transistor by application of a sufficient pulse to its current flow electrode remote from said second field effect transistor to couple enough alternating current energy through said data storage means to exceed the threshold voltage of said first transistor momentarily in the absence of other signal in excess of the threshold voltage of the first transistor applied to it, thereby to supply the remaining energy of said pulse through said first transistor to its other current flow electrode independent of the state of said data storage means.

Claim 38

A storage circuit comprising: A. first and second serially connected field effect transistors, B. data storage means controlling said first transistor, C. means for applying a control pulse to said second transistor, and D. pulse means, independent of the control pulse from said means for applying a control pulse, for supplying energy through said first and second transistor for utilization at an output depending upon tHe state of said data storage means, said energy being supplied through said first transistor by application of a sufficient pulse to its current flow electrode remote from said second field effect transistor to couple enough alternating current energy through said data storage means to exceed the threshold voltage of said first transistor momentarily in the absence of other signal in excess of the threshold voltage of the first transistor applied to it, thereby to supply the remaining energy of said pulse through said first transistor to its other current flow electrode independent of the state of said data storage means.

Claim 39

A storage circuit as in claim 13 in which said data storage means is a first capacitor.

Claim 40

A storage circuit as in claim 14 having a second capacitor connected to the output and wherein the energy supplied by said pulse means for supplying energy is used to charge said second capacitor. 16 A storage circuit as in claim 14 in which said first capacitor is connected between a gate electrode and one current flow electrode of said first field effect transistor and comprises, together with a charging pulse source coupled to the same current flow electrode of said first field effect transistor, said pulse means for supplying energy.

Claim 41

A shift register comprising an interconnected plurality of the circuits of claim 13 and additionally comprising initial and terminating storage circuits having: A. first and second series connected field effect transistors, B. storage means controlling said first field effect transistor, C. a clocking pulse source coupled to turn on said second field effect transistor, D. a third field effect transistor with a common connection between a gate electrode and one current flow electrode, another current flow electrode of said third field effect transistor being connected to a current flow electrode of said second field effect transistor proximate said first field effect transistor, and E. a pulse source coupled to the current flow electrode of said third field effect transistor remote from said second field effect transistor.

Claim 42

A shift register as in claim 9 in which said terminating storage circuit is coupled to said initial storage circuit to allow recirculation of information in said shift register.