Memory system

Claim 2

A radiofrequency pulse memory system comprising: a source of radiofrequency pulses having their frequency disposed within a given frequency band; first means coupled to said source to detect the frequency of each of said pulses; second means to generate a plurality of radiofrequency signals each having a different frequency corresponding to one of said detected frequencies; and third means coupled to said first means and said second means responsive to said detected frequencies to control the length of time said generated signals having frequencies equal to said detected frequencies are present at the output of said system.

Claim 3

A system according to claim 1, wherein said first means includes a waveguide coupled to said source, and a plurality of resonant cavities coupled to said waveguide, each of said resonant cavities having a different resonant frequency within said given frequency range.

Claim 4

A system according to claim 1, wherein said second means includes a pLurality of oscillator means to provide said radiofrequency signals.

Claim 5

A system according to claim 1, wherein said second means includes an oscillator means, and a source of modulation signal coupled to said oscillator means to modulate the oscillatory signal of said oscillator means to provide said radiofrequency signals.

Claim 6

A system according to claim 1, wherein said source includes an input for said radiofrequency pulses, a first frequency converter means coupled between said input and said first means, and an oscillator means coupled to said first converter means to reduce the frequency of said radiofrequency pulses; and said second means includes a second frequency converter means coupled to said oscillator means to increase the frequency of said radiofrequency signals to the frequency of said radiofrequency pulses at said input.

Claim 7

A system according to claim 1, wherein said first means includes a waveguide coupled to said source, and a plurality of resonant cavities coupled to said waveguide, each of said resonant cavities having a different resonant frequency within said given frequency band; said second means includes a plurality of normally nonoscillating oscillator means each capable of providing an oscillatory output having a frequency equal to a different one of said resonant frequencies; and said third means includes a plurality of rectifiers each coupled to a different one of said resonant cavities to provide an output when the associated one of said resonant cavities is shock excited by said radio frequency pulses, and a plurality of variable monostable means each coupled to a different one of said rectifiers and a different one of said oscillator means triggered by an output from the associated one of said rectifiers to render the associated one of said oscillator means oscillatory and to control the length of time said associated one of said oscillator means is oscillatory.

Claim 8

A system according to claim 6, wherein said third means further includes a source of variable width timing signals, and a plurality of AND gates each coupled to the output of a different one of said oscillatory means and said source of variable timing signals to cooperate with said monostable means to control the length of time the associated one of said oscillator means is oscillatory.

Claim 9

A system according to claim 1, wherein said first means includes a waveguide coupled to said source, and a plurality of resonant cavities coupled to said waveguide, each of said resonant cavities having a different resonant frequency within said given frequency band; said second means includes a plurality of normally nonoscillatory oscillator means each including a different one of said resonant cavities and providing an oscillatory output having a frequency equal to the resonant frequency of the associated one of said resonant cavities when said associated one of said resonant cavities is shock excited by said radio frequency pulses; and said third means includes a bias means for each of said oscillator means having a variable time constant means therein to control the length of time the associated one of said oscillator means is oscillatory.

Claim 10

A system according to claim 8, wherein said third means further includes a source of variable width timing signals, and a plurality of AND gates each coupled to the output of a different one of said oscillatory means and said source of variable timing signals to cooperate with said bias means to control the length of time the associated one of said oscillatory means is oscillatory.

Claim 11

A system according to claim 1, wherein said first means includes a first waveguide coupled to said source, and a plurality of resonant cavities coupled to said first waveguide, each of said resonant cavities having a different resonant frequency within said given frequency band; said second means includes an oscillator means, a source of modulation signal coupled to said oscillator means to modulate the oscillatory signal of said oscillator means to provide said radiofrequency signals, and a second waveguide coupled to the output of said oscillator means in which said radiofrequency signals circulate; and said third means includes a source of variable width timing signals, a plurality of rectifiers each coupled to a different one of said resonant cavities to provide an output when the associated one of said resonant cavities is shock excited by said radiofrequency pulses, a plurality of radiofrequency switches each coupled to a different one of said resonant cavities and said second waveguide, a plurality of AND gates each coupled to a different one of said radiofrequency switches and said source of variable width timing signal, and a plurality of bistable means each coupled to a different one of said AND gates and a different one of said rectifiers triggered by an output from the associated one of said rectifiers to control the conduction of the associated one of said AND gates to render the associated one of said radiofrequency switches conductive to couple the appropriate one of said radio frequency signal through the associated one of said resonant cavities to the output of said first waveguide; said bistable means and said variable width timing signal cooperating to control the length of time the associated one of said radiofrequency switches is conductive and said appropriate one of said radiofrequency signal is present at said output of said first waveguide.