Electric signaling system

• US 3,896,441 A
• Filed: 04/14/1954
• Issued: 07/22/1975
• Est. Priority Date: 04/14/1954
• Status: Expired due to Term

• Current Assignee: Martin R. Richmond
• Original Assignee: Martin R. Richmond
• Inventors: Richmond, Martin R.
• Primary Examiner(s): Hubler, Malcolm F.
• Application Number:
  US03/423,178
• Time in Patent Office: 7,769 Days
• Field of Search: 343/18,6.5,6.8,6.8R,6.8LC,17.1PF,18E,101 250/15T,27PS 340/347
• US Class Current: 342/15
• CPC Class Codes: G01S 7/36 Means for anti-jamming , e.g. ECCM, i.e. electronic counter-counter measures
• CPC Class Codes: H04K 3/42 characterized by the control of the jamming frequency or wavelength
• CPC Class Codes: H04K 3/45 characterized by including monitoring of the target or target signal, e.g. in reactive jammers or follower jammers for example by means of an alternation of jamming phases and monitoring phases, called "look-through mode"
• CPC Class Codes: H04K 3/46 characterized in that the jamming signal is produced by retransmitting a received signal, after delay or processing
• CPC Class Codes: H04K 3/65 using deceptive jamming or spoofing, e.g. transmission of false signals for premature triggering of RCIED, for forced connection or disconnection to/from a network or for generation of dummy target signal
• CPC Class Codes: H04K 3/825 by jamming

Abstract

1. An electrical apparatus for producing a sequence of pulses of high frequency energy in response to a received pulse, wherein the frequencies of selected produced pulses are successively algebraically increased by a predetermined increment comprising in combination, means for receiving a pulse of high frequency electric energy; means for translating said pulse with a delay of a predetermined time interval; means for converting said delayed pulse into a frequency enhanced pulse having a frequency algebraically increased from that of said delayed pulse by a predetermined increment; means for feeding back a pulse of a portion of the energy of said frequency enhanced pulse; means for translating said feed-back pulse with a delay of a predetermined time interval; means for converting said delayed feed-back pulse into a further frequency enhanced pulse having a frequency algebraically increased from that of said delayed feed-back pulse by a predetermined increment; and means for translating the resultant sequence of pulses having successively algebraically increased frequencies.

Claims

1. An electrical apparatus for producing a sequence of pulses of high frequency energy in response to a received pulse, wherein the frequencies of selected produced pulses are successively algebraically increased by a predetermined increment comprising in combination, means for receiving a pulse of high frequency electric energy;

means for translating said pulse with a delay of a predetermined time interval;

means for converting said delayed pulse into a frequency enhanced pulse having a frequency algebraically increased from that of said delayed pulse by a predetermined increment;

means for feeding back a pulse of a portion of the energy of said frequency enhanced pulse;

means for translating said feed-back pulse with a dealy of a predetermined time interval;

means for converting said delayed feed-back pulse into a further frequency enhanced pulse having a frequency algebraically increased from that of said delayed feed-back pulse by a predetermined increment; and

means for translating the resultant sequence of pulses having successively algebraically increased frequencies.

2. An electrical apparatus for producing a sequence of pulses of high frequency energy in response to a received pulse, wherein the frequencies of selected produced pulses are successively algebraically increased by the same predetermined increment comprising in combination, means for receiving a pulse of high frequency electric energy;

means for translating said pulse with a delay of a predetermined time interval;

means for converting said delayed pulse into a frequency enhanced pulse having a frequency algebraically increased from that of said delayed pulse by a predetermined increment;

means for feeding back a pulse of a portion of the energy of said frequency enhanced pulse;

means or translating said feed-back pulse with a delay of a predetermined time interval;

means for converting said delayed feed-back pulse into a further frequency enhanced pulse having a frequency algebraically increased from that of said delayed feedback pulse by said predetermined increment; and

means for translating the resultant sequence of pulses having successively algebraically increased frequencies.

3. An electrical apparatus for producing a sequence of pulses of high frequency energy in response to a received pulse, wherein the frequencies of selected produced pulses are successively algebraically increased by a predetermined increment comprising in combination, means for receiving a pulse of high frequency electric energy;

means for translating said pulse with a delay of predetermined time interval;

means for converting said delayed pulse into a frequency enhanced pulse having a frequency algebraically increased from that of said delayed pulse by a predetermined increment;

means for feeding back a pulse of a portion of the energy of said frequency enhanced pulse;

means for translating said feed-back pulse with said delay of a predetermined time interval;

means for converting said delayed feed-back pulse into a further frequency enhanced pulse having a frequency algebraically increased from that of said delayed feed-back pulse by a predetermined increment; and

means for translating the resultant sequence of pulses having successively alegbraically increased frequencies.

4. An electrical apparatus for producing a sequence of pulses of high frequency energy in response to a received pulse, wherein the frequencies of selected produced pulses are successively algebraically increased by a predetermined increment comprising in combination, means for receiving a pulse of high frequency electric energy;

means for amplifying said pulse;

means for translating said pulse with a delay of a predetermined time interval;

means for converting said delayed pulse into a frequency enhanced pulse having a frequency algebraically increased from that of said delayed pulse by a predetermined increment;

means for feeding back a pulse of a portion of the energy of said frequency enhanced pulse;

means for amplifying said feed-back pulse;

means for translating said feed-back pulse with a delay of a predetermined time interval;

means for converting said delayed feed-back pulse into a further frequency enhanced pulse having a frequency algebraically increased from that of said delayed feed-back pulse by a predetermined increment; and

means for translating the resultant sequence of pulses having successively algebracially increased frequencies.

5. An electrical apparatus for producing a sequence of pulses of high frequency energy in response to a received pulse, wherein the frequency of selected produced pulses are successively algebraically increased by a predetermined increment comprising in combination, means for receiving a pulse of high frequency electric energy;

means for translating said pulse with a delay of a predetermined time interval;

means for converting said delayed pulse into a frequency enhanced pulse having a frequency algebraically increased from that of said delayed pulse by a predetermined increment;

means for feeding back a pulse of a portion of the energy of said frequency enhanced pulse;

means for translating said feed-back pulse with a delay of a predetermined time interval;

means for converting said delayed feed-back pulse into a further frequency enhanced pulse having a frequency algebraically increased from that of said delayed feed-back pulse by a predetermined increment;

means for producing a predetermined number of frequency enhanced pulses in the manner of said further frequency enhanced pulse; and

means for translating the resultant sequence of pulses having successively algebraically increased frequencies.

6. An electrical apparatus for producing a plurality of sequences of pulses of high frequency energy in response to received pulses, wherein the frequency of selected produced pulses of a given sequence are successively algebraically increased by a predetermined increment comprising in combination, means for receiving pulses of high frequency electric energy;

means for translating said pulses with a delay of a predetermined time interval;

means for converting said delayed pulses into frequency enhanced pulses having respective frequencies algebraically increased from that of said delayed pulses by a predetermined increment;

means for feeding back respective pulses of a portion of the energy of said frequency enhanced pulses;

means for translating said feed-back pulses with a delay of a predetermined time interval;

means for converting said delayed feed-back pulses into further frequency enhanced having respective frequencies algebraically increased from that of said delayed feed-back pulses by a predetermined increment; and

means for translating the resultant sequences of pulses having successively algebraically increased frequencies respectively.

7. An electrical apparatus for producing a sequence of a predetermined number of pulses of high frequency energy in responsE to a received pulse, wherein the frequencies of selected produced pulses are successively algebraically increased by the same predetermined increment, comprising in combination, means for receiving a pulse of high frequency electric energy;

means for detecting said received pulse;

means for utilizing said received pulse to permit the transmission of said sequence for a predetermined time interval and to disable the reception of other pulses during said predetermined time interval;

means for converting said received pulse to produce a first intermediate frequency pulse;

means for converting said intermediate pulse to restore its frequency to the frequency of the received pulse;

means for amplifying said restored first intermediate frequency pulse;

means for transmitting said amplified restored pulse;

means for translating a portion of the energy of said first intermediate pulse for a predetermined delay time interval;

means for converting said delayed pulse to restore its frequency to that of said received pulse;

means for amplifying said delayed restored pulse;

means for transmitting said amplified delayed restored pulse;

means for converting a portion of the energy of said delayed first intermediate frequency pulse to produce a second intermediate frequency pulse;

means for amplifying said second intermediate frequency pulse;

means for converting said second intermediate pulse to produce a third intermediate frequency pulse having a frequency algebraically increased from said second intermediate frequency pulse by said predetermined incremental frequency;

means for translating said third intermediate frequency pulse by said predetermined delay time interval;

means for converting said third intermediate frequency pulse to produce a radio frequency pulse having its frequency algebraically increased from said delayed restored pulse by said increment;

means for amplifying said radio frequency pulse;

means for transmitting said radio frequency pulse;

means for producing a succession of radio frequency pulses in the manner of the first said radio frequency pulse; and

means for transmitting said sequence of a predetermined number of pulses.

8. An electric, signaling system for producing a sequence of pulses of high-frequency energy in response to a received pulse, comprising, in combination:

receiver means for receiving a pulse of said energy;

circulator means coupled to said receiver means and including, in combination, time-delay means for translating said pulse for a predetermined time interval, frequency converter means coupled to said time-delay means for converting said pulse into a frequency-enhanced pulse differing from said translated delayed pulse by a predetermined, algebraic, frequency increment and feedback means coupling said converter means and said time-delay means, said circular means circulating therethrough a portion of the energy of said delayed, frequency-enchanced pulse to a resultant sequence of pulses successively displaced by a predetermined time interval and a predetermined, algebraic, frequency increment; and

transmitter means coupled to said circulatory means for transmitting said resultant sequence of pulses to provide said electric signaling system.

9. An electric, signaling system for producing a sequence of pulses of high-frequency energy in response to a received pulse, comprising, in combination:

receiver means for receiving a pulse of said energy;

means coupled to said receiver means for re-transmitting at an amplified energy level a pulse at the same frequency as said received pulse;

circulator means coupled to said receiver means and including, in combination, time-delay means for translating said received pulse for a predetermined time interval, frequency converter means coupled to said time-delay means for converting said pulse into a frequency-enchanced pulse differing from said translated delayed pulse by a predetermined, algebraic, frequency increment and feedback means coupling said converter means and said time-delay means, said Circulator means circulating therethrough a portion of the energy of said delayed, frequency-enhanced pulse to produce a resultant sequence of pulses successively displaced by a predetermined time interval and a predetermined, algebraic, frequency increment; and

transmitter means coupled to said circulator means for transmitting said resultant sequence of pulses to provide said electric signaling system.

10. An electric, signaling system for producing a sequence of pulses of high-frequency energy in response to a received pulse, comprising, in combination:

receiver means for receiving a pulse of said energy;

means coupled to said receiver means for re-transmitting a pulse at an amplified energy level and after a predetermined time interval a pulse at the same frequency as said received pulse;

circulator means coupled to said receiver means and including, in combination, time-delay means for translating said received pulse for a predetermined time interval, frequency converter means coupled to said time-delay means for converting said pulse into a frequency-enhanced pulse differing from said translated delayed pulse by a predetermined, algebraic, frequency increment and feedback means coupling said converter means and said time-delay means, said circulator means circulating therethrough a portion of the energy of said delayed, frequency-enhanced pulse to produce a resultant sequence of pulses successively displaced by a predetermined time interval and a predetermined, algebraic, frequency increment; and

transmitter means coupled to said circulator means for transmitting said resultant sequence of pulses to provide said electric signaling system.

11. An electric, signaling system for producing a sequence of pulses of high-frequency energy in response to a received pulse, comprising, in combination:

receiver means for receiving a pulse of said energy;

circulator means coupled to said receiver means and including, in combination, time-delay means for translating said pulse for a predetermined time interval, frequency converter means coupled to said time-delay means for converting said pulse into a frequency-enhanced pulse differing from said translated, delayed pulse by a predetermined, algebraic, frequency increment and feedback means coupling said converter means and said time-delay means, said circulator means circulating therethrough a portion of the energy of said delayed, frequency-enhanced pulse to produce a resultant sequence of pulses successively displaced by a predetermined time interval and a predetermined, algebraic, frequency increment;

transmitter means coupled to said circulator means for transmitting said resultant sequence of pulses to provide said electric signaling system; and

means responsive to said received pulse for controlling the operation of said receiver circulator and transmitter means to provide a predetermined number of pulses in said sequence.