Pulse width stabilized monostable multivibrator

Claim 2

In combination: first and second charge storage means; first and second inverters, each responsive to an input signal of one polarity and of greater than a given level for producing an output signal of opposite polarity and each responsive to an input signal of opposite polarity and lower than said given level for producing an output signal of said one polarity, said first inverter applying its output to the first charge storage means and said second inverter applying its output to the second charge storage means; two discharge circuits, one coupled between the first charge storage means and the second inverter and the other coupled between the second charge storage means and the first inverter, each such discharge circuit supplying to the inverter to which it is connected a signal at a level greater than said given level when its charge storage means is sufficiently charged in one sense and at a level smaller than said given level when its charge storage means is sufficiently charged in the opposite sense; and means for applying a pulse of one polarity to said first inverter and of opposite polarity to the second inverter for causing said inverters to produce output pulses of opposite polarity.

Claim 3

In a monostable multivibrator, the combination comprising: first and second inverters each having an input terminal and an output terminal and each said inverter having substantially identical threshold voltage levels; first and second couplinG means including charge storage means for cross-coupling the respective input and output terminals of said inverters; and means for applying a voltage pulse which is of a magnitude greater than said threshold voltage level to said input terminal of said first inverter and means for applying a second voltage pulse which is the complement of said voltage pulse to said input terminal of said second inverter whereby said inverters switch from a first condition to a second condition and whereby said inverters switch back to said first condition when the charge on one or the other of said charge storage means reaches said threshold voltage level.

Claim 4

In a monostable multivibrator, the combination comprising: first and second inverters each having an input terminal and an output terminal and each said inverter having substantially identical threshold voltage levels; first and second couplinG means including charge storage means for cross-coupling the respective input and output terminals of said inverters; and means for applying a voltage pulse which is of a magnitude greater than said threshold voltage level to said input terminal of said first inverter and means for applying a second voltage pulse which is the complement of said voltage pulse to said input terminal of said second inverter whereby said inverters switch from a first condition to a second condition and whereby said inverters switch back to said first condition when the charge on one or the other of said charge storage means reaches said threshold voltage level.

Claim 5

In a monostable multivibrator having an input voltage threshold level such that in response to a voltage less than said threshold level said multivibrator remains in a first state and in response to a voltage greater than said threshold level switches to a second state, the combination comprising; first and second inverters, each inverter having an input terminal and an output terminal; first and second charge storage means; means for connecting said first charge storage means between said input terminal of said first inverter and said output terminal of said second inverter and means for connecting said second charge storage means between said input terminal of said second inverter and said output terminal of said first inverter, said means for connecting including a charge path for said charge storage means; a discharge path for each said charge storage means; and means for applying complementary signal levels to said input terminals such that said multivibrator switches from said first to said second state and in response to said switch said charge storage means are charged to said respective input signal levels such that as said charge storage means discharge, the first to reach said threshold level switches said multivibrator to said first state.

Claim 6

In a monostable multivibrator having an input voltage threshold level such that in response to a voltage less than said threshold level said multivibrator remains in a first state and in response to a voltage greater than said threshold level switches to a second state, the combination comprising; first and second inverters, each inverter having an input terminal and an output terminal; first and second charge storage means; means for connecting said first charge storage means between said input terminal of said first inverter and said output terminal of said second inverter and means for connecting said second charge storage means between said input terminal of said second inverter and said output terminal of said first inverter, said means for connecting including a charge path for said charge storage means; a discharge path for each said charge storage means; and means for applying complementary signal levels to said input terminals such that said multivibrator switches from said first to said second state and in response to said switch said charge storage means are charged to said respective input signal levels such that as said charge storage means discharge, the first to reach said threshold level switches said multivibrator to said first state.

Claim 7

The combination claimed in claim 3, said inverters each including a pair of opposite conductivity transistors.

Claim 8

The combination claimed in claim 1, said charge storage means comprising capacitors.

Claim 9

The combination claimed in claim 3, said discharge path for each said charge storage means being connected to the respective input terminal of each said inverter.

Claim 10

In combination: first and second charge storage means; first and second inverters, each inverter having an input terminal and an output terminal, and each inverter comprising opposite conductivity transistors; means for connecting said first charge storage means between the output terminal of said first inverter and the input terminal of said second inverter; means for connecting said second charge storage means between the output terminal of said second inverter and the input terminal of said first inverter; first and second resistors; a two terminal source of operating potential; means for connecting said first resistor between said input terminal of said first inverter and one terminal of said source of operating potential; means for connecting said second resistor between said input terminal of said second inverter and the other terminal of said source of operating potential; and means for applying opposite polarity pulses to the respective input terminals of said inverters.

Claim 11

In combination: first and second charge storage means; first and second inverters, each inverter having an input terminal and an output terminal, and each inverter comprising opposite conductivity transistors; means for connecting said first charge storage means between the output terminal of said first inverter and the input terminal of said second inverter; means for connecting said second charge storage means between the output terminal of said second inverter and the input terminal of said first inverter; first and second resistors; a two terminal source of operating potential; means for connecting said first resistor between said input terminal of said first inverter and one terminal of said source of operating potential; means for connecting said second resistor between said input terminal of said second inverter and the other terminal of said source of operating potential; and means for applying opposite polarity pulses to the respective input terminals of said inverters.