Repetitive pulse generating system

Claim 2

A repetitive pulse generating system for deriving a plurality of radio frequency pulses corresponding in frequency to that of a given radio frequency pulse, but delayed in time with respect to each other and said given pulse, comprising a source of said given pulses, means to derive from a given pulse of said source a first multifrequency pulse of a given bandwidth, means to derive from said first multifrequency pulse a plurality of multifrequency pulses, each of said multifrequency pulses having the same band of frequencies as said first multifrequency pulse but delayed in time with respect to each other and said first multifrequency pulse, and means to derive from each of said delayed multifrequency pulses a pulse of frequency corresponding to the frequency of said given pulse but delayed in time with respect to said given pulse in accordance with the timing of the multifrequency pulse from which it was derived.

Claim 3

A repetitive pulse generating system for deriving a plurality of radio frequency pulses corresponding in frequency to that of a given radio frequency pulse, but delayed in time with respect to each other and said given pulse, comprising a source of said given pulses, means to derive from a given pulse of said source a first multifrequency pulse of a given bandwidth, means to derive from said first multifrequency pulse a plurality of multifrequency pulses, each of said multifrequency pulses having the same band of frequencies as said first multifrequency pulse but delayed in time with respect to each other and said first multifrequency pulse, and means to derive from each of said delayed multifrequency pulses a pulse of frequency corresponding to the frequency of said given pulse but delayed in time with respect to said given pulse in accordance with the timing of the multifrequency pulse from which it was derived.

Claim 4

A repetitive pulse generating system for deriving a plurality of radio frequency pulses corresponding in frequency to that of a given radio frequency pulse, but delayed in time with respect to each other and said given pulse, comprising a source of said given pulses, means to derive from a given pulse of said source a first multifrequency pulse of a given bandwidth, means to derive from said first multifrequency pulse a plurality of multifrequency pulses, each of said multifrequency pulses having the same band of frequencies as said first multifrequency pulse but delayed in time with respect to each other and said first multifrequency pulse, and means to derive from each of said delayed multifrequency pulses a pulse of frequency corresponding to the frequency of said given pulse but delayed in time with respect to said given pulse in accordance with the timing of the multifrequency pulse from which it was derived.

Claim 5

A repetitive pulse generating system for deriving a plurality of radio frequency pulses corresponding in frequency to the given frequency of a given radio frequency pulse, each of said plurality of pulses being delayed in time with respect to each other, comprising a source of said given pulses, means to stretch a given pulse of said source to a given width, oscillator means to generate a pulse of undulations of sequentially different frequencies and having the same pulse width as said given width, means responsive to said given pulse to synchronize said oscillator to produce an oscillator pulse having a leading edge in coincidence with the leading edge of said stretched pulse, means to combine said stretched pulse with said oscillator pulse to obtain a first multifrequency pulse of a given bandwidth and having a pulse width equal to the width of said given pulse, means to derive from said multifrequency pulse a plurality of multifrequency pulses, each of said multifrequency pulses having the same band of frequencies as said first multifrequency pulse but delayed in time with respect to each other and said first multifrequency pulse, and means to derive from each of said delayed multifrequency pulses a pulse of said given frequency delayed in time with respect to said given pulse in accordance with the timing of the multifrequency pulses from which it was derived.

Claim 6

A repetitive pulse generating system for deriving a plurality of radio frequency pulses corresponding in frequency to the given frequency of a given radio frequency pulse, each of said plurality of pulses being delayed in time with respect to each other, comprising a source of said given pulses, means to stretch a given pulse of said source to a given width, oscillator means to generate a pulse of undulations of sequentially different frequencies and having the same pulse width as said given width, means responsive to said given pulse to synchronize said oscillator to produce an oscillator pulse having a leading edge in coincidence with the leading edge of said stretched pulse, means to combine said stretched pulse with said oscillator pulse to obtain a first multifrequency pulse of a given bandwidth and having a pulse width equal to the width of said given pulse, means to derive from said multifrequency pulse a plurality of multifrequency pulses, each of said multifrequency pulses having the same band of frequencies as said first multifrequency pulse but delayed in time with respect to each other and said first multifrequency pulse, and means to derive from each of said delayed multifrequency pulses a pulse of said given frequency delayed in time with respect to said given pulse in accordance with the timing of the multifrequency pulses from which it was derived.

Claim 7

A repetitive pulse generating system for deriving a plurality of radio frequency pulses corresponding in frequency to the given frequency of a given radio frequency pulse, each of said plurality of pulses being delayed in time with respect to each other and said given pulse, comprising a source of said given pulses, means to convert a given pulse of said source into another pulse of a lower frequency but of substantially the same pulse width as said given pulse, amplifying means to amplify said converted pulse, a delay unit adapted to operate at said lower frequency and having a delay equal to the width of said given pulse, means coupling said delay unit to the output and input of said amplifier, means to allow a portion of the energy of said converted pulse to recirculate through said delay unit and said amplifying means, means to combine said converted pulse and the recirculated portions thereof to obtain a stretched pulse of said lower frequency having a minimum pulse width equal to a multiple of the width of said given pulse depending upon the number of times of recirculation, means to convert said stretched pulse of said lower frequency into a stretched pulse of said given frequency, oscillator means to generate a pulse of undulations of sequentially different frequencies and having a pulse width as corresponding to the minimum width of said stretched pulse, means to synchronize said oscillator to produce an oscillator pulse having a leading edge in synchronism with the leading edge of said stretched pulse, means to combine said stretched pulse with said oscillator pulse to obtain a first multifrequency pulse having a width corresponding to the width of said given pulse, means to derive from said first multifrequency pulse a plurality of multifrequency pulses, each of said multifrequency pulses having the same band of frequencies as said first multifrequency pulse but consecutively delayed in time with respect to each other and said first multifrequency pulse, and means to derive from each of said delayed multifrequency pulses a pulse of said given frequency delayed in time with respect to said given pulse in accordance with the timing of the multifrequency pulse from which it was derived.

Claim 8

A repetitive pulse generating system for deriving a plurality of radio frequency pulses corresponding in frequency to the given frequency of a given radio frequency pulse, each of said plurality of pulses being delayed in time with respect to each other and said given pulse, comprising a source of said given pulses, means to convert a given pulse of said source into another pulse of a lower frequency but of substantially the same pulse width as said given pulse, amplifying means to amplify said converted pulse, a delay unit adapted to operate at said lower frequency and having a delay equal to the width of said given pulse, means coupling said delay unit to the output and input of said amplifier, means to allow a portion of the energy of said converted pulse to recirculate through said delay unit and said amplifying means, means to combine said converted pulse and the recirculated portions thereof to obtain a stretched pulse of said lower frequency having a minimum pulse width equal to a multiple of the width of said given pulse depending upon the number of times of recirculation, means to convert said stretched pulse of said lower frequency into a stretched pulse of said given frequency, oscillator means to generate a pulse of undulations of sequentially different frequencies and having a pulse width as corresponding to the minimum width of said stretched pulse, means to synchronize said oscillator to produce an oscillator pulse having a leading edge in synchronism with the leading edge of said stretched pulse, means to combine said stretched pulse with said oscillator pulse to obtain a first multifrequency pulse having a width corresponding to the width of said given pulse, means to derive from said first multifrequency pulse a plurality of multifrequency pulses, each of said multifrequency pulses having the same band of frequencies as said first multifrequency pulse but consecutively delayed in time with respect to each other and said first multifrequency pulse, and means to derive from each of said delayed multifrequency pulses a pulse of said given frequency delayed in time with respect to said given pulse in accordance with the timing of the multifrequency pulse from which it was derived.

Claim 9

A repetitive pulse generating system for deriving a plurality of pulses corresponding in frequency to the frequency of a given pulse made up of undulations of a given frequency, each of said plurality of pulses being delayed in time with respect to each other, comprising a source of said given pulses, means to derive from a given pulse of said source a first multifrequency pulse of a given bandwidth and having a pulse width corresponding to the width of said given pulse, means to derive from said given pulse a timing pulse, means to combine said timing pulse with said first multifrequency pulse to form a pulse pair, first amplifying means to amplify said pulse pair, a delay unit having a delay longer than the time interval which includes said pulse pair, means to couple said delay unit to the output and input of said first amplifying means to allow a portion of the energy of said pulses to recirculate through said delay unit and said amplifying means, means to extract from the output of said delay unit a portion of the energy of the recirculated pulses to obtain sequentially spaced pulse pairs with respect to the pulse pair input, second amplifying means to amplify said output of said delay unit, oscillator means to generate an oscillator pulse of undulations of sequentially different frequencies and having a pulse width longer than the width of said multifrequency pulse, means utilizing said timing pulse to synchronize said oscillator means, and means combining said delayed multifrequency pulse with said oscillator pulse to derive therefrom a pulse of undulations of said given frequency and having a pulse width corresponding to the width of said multifrequency pulse.

Claim 10

A repetitive pulse generating system for deriving a plurality of pulses corresponding in frequency to the frequency of a given pulse made up of undulations of a given frequency, each of said plurality of pulses being delayed in time with respect to each other, comprising a source of said given pulses, means to derive from a given pulse of said source a first multifrequency pulse of a given bandwidth and having a pulse width corresponding to the width of said given pulse, means to derive from said given pulse a timing pulse, means to combine said timing pulse with said first multifrequency pulse to form a pulse pair, first amplifying means to amplify said pulse pair, a delay unit having a delay longer than the time interval which includes said pulse pair, means to couple said delay unit to the output and input of said first amplifying means to allow a portion of the energy of said pulses to recirculate through said delay unit and said amplifying means, means to extract from the output of said delay unit a portion of the energy of the recirculated pulses to obtain sequentially spaced pulse pairs with respect to the pulse pair input, second amplifying means to amplify said output of said delay unit, oscillator means to generate an oscillator pulse of undulations of sequentially different frequencies and having a pulse width longer than the width of said multifrequency pulse, means utilizing said timing pulse to synchronize said oscillator means, and means combining said delayed multifrequency pulse with said oscillator pulse to derive therefrom a pulse of undulations of said given frequency and having a pulse width corresponding to the width of said multifrequency pulse.

Claim 11

A repetitive pulse generating system for deriving a plurality of pulses corresponding in frequency to the frequency of a given pulse made up of undulations of a given frequency, each of said plurality of pulses being delayed in time with respect to each other, comprising a source of said given pulses, means to stretch a given pulse of said source to a minimum width, oscillator means to generate a pulse of undulations of sequentially different frequencies and having the same pulse width as said minimum width of said stretched pulse, means associated with said given pulse source to synchronize said oscillator to produce an oscillator pulse having a leading edge in coincidence with the leading edge of said stretched pulse, means to combine said stretched pulse with said oscillator pulse to obtain a first multifrequency pulse of a given bandwidth and having a pulse width corresponding to the width or said given pulse, means to derive from said given pulse a timing pulse, means to combine said timing pulse with said first multifrequency pulse to form a pulse pair, first amplifying means to amplify said pulses, a delay unit having a delay longer than the time interval which includes said pulse pair, means to couple said delay unit to the output and input of said first amplifying means to allow a portion of the energy of said pulses to recirculate through said delay unit and said amplifying means, means to extract from the output of said delay unit a portion of the energy of the recirculated pulses to obtain sequentially spaced pulse pairs with respect to the pulse pair input, second amplifying means to amplify said output of said delay unit, and means combining said delayed multifrequency pulse with said oscillator pulse to derive therefrom a pulse of undulations of said given frequency only and having a pulse width corresponding to the width of said multifrequency pulse.

Claim 12

A repetitive pulse generating system for deriving a plurality of pulses corresponding in frequency to the frequency of a given pulse made up of undulations of a given frequency, each of said plurality of pulses being delayed in time with respect to each other, comprising a source of said given pulses, means to stretch a given pulse of said source to a minimum width, oscillator means to generate a pulse of undulations of sequentially different frequencies and having the same pulse width as said minimum width of said stretched pulse, means associated with said given pulse source to synchronize said oscillator to produce an oscillator pulse having a leading edge in coincidence with the leading edge of said stretched pulse, means to combine said stretched pulse with said oscillator pulse to obtain a first multifrequency pulse of a given bandwidth and having a pulse width corresponding to the width or said given pulse, means to derive from said given pulse a timing pulse, means to combine said timing pulse with said first multifrequency pulse to form a pulse pair, first amplifying means to amplify said pulses, a delay unit having a delay longer than the time interval which includes said pulse pair, means to couple said delay unit to the output and input of said first amplifying means to allow a portion of the energy of said pulses to recirculate through said delay unit and said amplifying means, means to extract from the output of said delay unit a portion of the energy of the recirculated pulses to obtain sequentially spaced pulse pairs with respect to the pulse pair input, second amplifying means to amplify said output of said delay unit, and means combining said delayed multifrequency pulse with said oscillator pulse to derive therefrom a pulse of undulations of said given frequency only and having a pulse width corresponding to the width of said multifrequency pulse.

Claim 13

A repetitive pulse generating system for deriving a plurality of pulses corresponding in frequency to the frequency of a given pulse made up of undulations of a given frequency, each of said plurality of pulses being delayed in time with respect to each other and said given pulse, comprising a source of said given pulses, means to convert a given pulse of said source into another pulse of a lower frequency but of the same pulse width as said given pulse, first amplifying means to amplify said converted pulse, a delay unit adapted to operate at said lower frequency and having a delay equal to said width of said given pulse, means coupling said delay unit to the output and input of said first amplifier, means to allow a portion of the energy of said converted pulse to recirculate through said delay unit and said amplifying means, means to combine said converted pulse and the recirculated portions thereof to obtain a stretched pulse of said lower frequency having a minimum pulse width equal substantially to a multiple of the width of said given pulse depending upon the number of times of recirculation, means to convert said stretched pulse of said lower frequency into a stretched pulse of said given frequency, oscillator means to generate a pulse of undulations of sequentially different frequencies and having the same pulse width as the minimum width of said stretched pulse, means to synchronize said oscillator to produce an oscillator pulse having a leading edge in synchronism with the leading edge of said stretched pulse, means to combine said stretched pulse with said Oscillator pulse to obtain a first multifrequency pulse having a width equal to the width of said given pulse, means to derive from said given pulse a timing pulse, means to combine said timing pulse with said first multifrequency pulse to form a pulse pair, second amplifying means to amplify said pulse pair, a delay unit having a delay longer than the time interval which includes said pulse pair, means to couple said delay unit to the output and input of said second amplifying means to allow a portion of the energy of said pulse pair to recirculate through said delay unit and said second amplifying means, means to extract from the output of said delay unit a portion of the energy of the recirculated pulses to obtain sequentially spaced pulse pairs with respect to the pulse pair input, third amplifying means to amplify said output of said delay unit, means utilizing said timing pulse to also synchronize said oscillator means, and means combining said delayed multifrequency pulse with said oscillator pulse output to derive therefrom a pulse of undulations of said given frequency only and of a pulse width equal to the width of said multifrequency pulse.

Claim 14

A repetitive pulse generating system for deriving a plurality of pulses corresponding in frequency to the frequency of a given pulse made up of undulations of a given frequency, each of said plurality of pulses being delayed in time with respect to each other and said given pulse, comprising a source of said given pulses, means to convert a given pulse of said source into another pulse of a lower frequency but of the same pulse width as said given pulse, first amplifying means to amplify said converted pulse, a delay unit adapted to operate at said lower frequency and having a delay equal to said width of said given pulse, means coupling said delay unit to the output and input of said first amplifier, means to allow a portion of the energy of said converted pulse to recirculate through said delay unit and said amplifying means, means to combine said converted pulse and the recirculated portions thereof to obtain a stretched pulse of said lower frequency having a minimum pulse width equal substantially to a multiple of the width of said given pulse depending upon the number of times of recirculation, means to convert said stretched pulse of said lower frequency into a stretched pulse of said given frequency, oscillator means to generate a pulse of undulations of sequentially different frequencies and having the same pulse width as the minimum width of said stretched pulse, means to synchronize said oscillator to produce an oscillator pulse having a leading edge in synchronism with the leading edge of said stretched pulse, means to combine said stretched pulse with said Oscillator pulse to obtain a first multifrequency pulse having a width equal to the width of said given pulse, means to derive from said given pulse a timing pulse, means to combine said timing pulse with said first multifrequency pulse to form a pulse pair, second amplifying means to amplify said pulse pair, a delay unit having a delay longer than the time interval which includes said pulse pair, means to couple said delay unit to the output and input of said second amplifying means to allow a portion of the energy of said pulse pair to recirculate through said delay unit and said second amplifying means, means to extract from the output of said delay unit a portion of the energy of the recirculated pulses to obtain sequentially spaced pulse pairs with respect to the pulse pair input, third amplifying means to amplify said output of said delay unit, means utilizing said timing pulse to also synchronize said oscillator means, and means combining said delayed multifrequency pulse with said oscillator pulse output to derive therefrom a pulse of undulations of said given frequency only and of a pulse width equal to the width of said multifrequency pulse.

Claim 15

A circuit for obtaining a multifrequency pulse from a given pulse of undulations of a given high frequency and a given pulse width, comprising means to convert said given pulse into another pulse of a lower frequency but of the same pulse width as said given pulse, amplifier means to amplify said converted pulse, a delay unit adapted to operate at said lower frequency and having a delay equal to said width of said given pulse, means coupling said delay unit to the output and input of said amplifier, means to allow a portion of the energy of said converted pulse to recirculate through said delay unit and said amplifying means, means to combine said converted pulse and the recirculated portions to obtain a stretched pulse of said lower frequency having a pulse width equal to a multiple of the width of said given pulse depending upon the number of times of recirculation, means to convert said stretched pulse of said lower frequency into a stretched pulse of said given frequency, oscillator means to generate a pulse of undulations of sequentially different frequencies and having the same pulse width as said stretched pulse, means to synchronize said oscillator to produce an oscillator pulse having a leading edge in synchronism with the leading edge of said stretched pulse, and means to combine said stretched pulse with said oscillator pulse to obtain a multifrequency pulse having a width equal to the width of said given pulse.

Claim 16

A circuit for obtaining a multifrequency pulse from a given pulse of undulations of a given high frequency and a given pulse width, comprising means to convert said given pulse into another pulse of a lower frequency but of the same pulse width as said given pulse, amplifier means to amplify said converted pulse, a delay unit adapted to operate at said lower frequency and having a delay equal to said width of said given pulse, means coupling said delay unit to the output and input of said amplifier, means to allow a portion of the energy of said converted pulse to recirculate through said delay unit and said amplifying means, means to combine said converted pulse and the recirculated portions to obtain a stretched pulse of said lower frequency having a pulse width equal to a multiple of the width of said given pulse depending upon the number of times of recirculation, means to convert said stretched pulse of said lower frequency into a stretched pulse of said given frequency, oscillator means to generate a pulse of undulations of sequentially different frequencies and having the same pulse width as said stretched pulse, means to synchronize said oscillator to produce an oscillator pulse having a leading edge in synchronism with the leading edge of said stretched pulse, and means to combine said stretched pulse with said oscillator pulse to obtain a multifrequency pulse having a width equal to the width of said given pulse.

Claim 17

In combination, a source of pulse pairs, each of said pulse pairs comprising a timing pulse and a multifrequency pulse of a given width, first amplifying means to amplify said pulses, a delay unit having a delay longer than the time interval which includes said pulse pair, means to couple said delay unit to the output and input of said first amplifying means to allow a portion of the energy of said pulses to recirculate through said delay unit and said first amplifying means, means to extract from the output of said delay unit a portion of the energy of the recirculated pulses to obtain sequentially spaced pulses with respect to each pulse pair input, second amplifying means to amplify said output of said delay unit, oscillator means to generate an oscillator pulse of undulations varying throughout a band of frequencies and having a pulse duration longer than the width of said multifrequency pulse, means utilizing said timing pulse to synchronized said oscillator means, means combining said delayed multifrequency pulse with said oscillator pulse to derive therefrom a pulse of undulations of a single frequency and having a pulse width equal to the width of said multifrequency pulse.

Claim 18

In combination, a source of pulse pairs, each of said pulse pairs comprising a timing pulse and a multifrequency pulse of a given width, first amplifying means to amplify said pulses, a delay unit having a delay longer than the time interval which includes said pulse pair, means to couple said delay unit to the output and input of said first amplifying means to allow a portion of the energy of said pulses to recirculate through said delay unit and said first amplifying means, means to extract from the output of said delay unit a portion of the energy of the recirculated pulses to obtain sequentially spaced pulses with respect to each pulse pair input, second amplifying means to amplify said output of said delay unit, oscillator means to generate an oscillator pulse of undulations varying throughout a band of frequencies and having a pulse duration longer than the width of said multifrequency pulse, means utilizing said timing pulse to synchronized said oscillator means, means combining said delayed multifrequency pulse with said oscillator pulse to derive therefrom a pulse of undulations of a single frequency and having a pulse width equal to the width of said multifrequency pulse.