Digital synchronizer system for remotely synchronizing operation of multiple energy sources and the like

Claim 3

The method according to claim 1 further including the steps of: deriving in response to said synchronizing signal a storage entry clock signal in said timing circuitry which is time synchronized in all devices; storing the reconstituted control code according to said derived synchronized clock signal; comparing the stored control code bit sequence with a preselected synchronization address code; providing a synchronized time zero signal at each device when an absolute comparison exists.

Claim 4

A method according to claim 1 wherein the carrier tone of selected frequency is phase modulated with a plurality of characters which comprise multiple binary coded numbers, one of said binary coded numbers being fixed and representing the synchronizing signal, and another being programmable and representing the code control signal.

Claim 5

A digital synchronizer system for remotely synchronizing the operation of a plurality of electrically-operable devices, comprising: means for generating a carrier tone of selected frequency; digital encoder means for phase encoding a series of binary 1 and 0 bits on the carrier tone in the form of reversals in the polarity of the tone; said digital encoder means including polarity selector means coupled to the means for generating a carrier tone for modulating the carrier tone with a select character rate derived from the tone frequency; radio communication means for conveying thE carrier tone to be electrically-operable devices; and digital decoder means at each device disposed to act in response to receiving the conveyed carrier tone and further including, means for decoding the conveyed modulated carrier tone, shift register means for receiving the signals from said decoding means, means including a phase locked loop in each device for generating respective clocks from the carrier tone, said clocks being operatively coupled to respective shift register means to simultaneously clock the signals from said decoding means into the register means of each device and comparator means coupled to the register means to provide a time zero signal when the signals clocked into said register compare absolutely with a preselected synchronization address code.

Claim 6

A digital synchronizer system for remotely synchronizing the operation of a plurality of electrically-operable devices, comprising: means for generating a carrier tone of selected frequency; digital encoder means for phase encoding a series of binary 1 and 0 bits on the carrier tone in the form of reversals in the polarity of the tone; said digital encoder means including polarity selector means coupled to the means for generating a carrier tone for modulating the carrier tone with a select character rate derived from the tone frequency; radio communication means for conveying thE carrier tone to be electrically-operable devices; and digital decoder means at each device disposed to act in response to receiving the conveyed carrier tone and further including, means for decoding the conveyed modulated carrier tone, shift register means for receiving the signals from said decoding means, means including a phase locked loop in each device for generating respective clocks from the carrier tone, said clocks being operatively coupled to respective shift register means to simultaneously clock the signals from said decoding means into the register means of each device and comparator means coupled to the register means to provide a time zero signal when the signals clocked into said register compare absolutely with a preselected synchronization address code.

Claim 7

A digital synchronizer system according to claim 4 wherein the polarity selector means includes means for forming a binary code of 1 and 0 bits to define at least a sync tone and a character code tone which are conveyed from the encoder means to the decoder means in selected sequence via the means for conveying.

Claim 8

A digital synchronizer system according to claim 4 wherein the means for generating a tone includes a crystal oscillator operatively coupled to square-to-sine wave filter means for generating a sine wave of selected frequency commensurate with said carrier tone; the encoder means comprise a clock divider coupled to the filter means to generate a shift clock and a character rate clock; data logic coupled to the shift clock and the character rate clock for determining a fixed and a programmable portion of the character code tone; said polarity selector means being coupled to the data logic and to the filter means for generating alternate 1 s and 0 s to define the sync tone and a selected sequence of 1 s and 0 s to define the character code tone, said polarity selector means being further coupled to the means for conveying; and timing circuit means coupled to the clock divider, to the data logic and to the polarity selector means, to control the conveying of the sync tone and the character code tone.