Identifying fibers of fiber optic cables

A method of identifying the fibers of a fiber optic cable, comprising:

• inputting a set of signals at one end of the fiber optic cable to the fibers of said fiber optic cable;
• and
• detecting the signals at another end of the fiber optic cable;
• wherein each signal of the set of signals has a different waveform, and is an input to a respectively different fiber, whereby each fiber has an input signal of a different waveform from the other fibers in the cable,
• wherein the waveforms are generated by:
• establishing a generating clock cycle at a generating frequency;
• and
• dividing the generating frequency by a set of integers;
• and
• wherein a waveform with a different frequency is generated for each integer division of the generating clock, each waveform being a pure tone.

An apparatus for identifying the fibers of a fiber optic cable comprising:

• inputting means for inputting a set of signals at one end of the fiber optic cable to the fibers of said fiber optic cable;
• detecting means for detecting the signals at another end of the fiber optic cable, wherein each signal of the set of signals has a different waveform, and is an input to a respectively different fiber, whereby each fiber has an input signal of a different waveform from the other fibers in the cable;
• a generating clock for establishing a generating clock cycle at a generating rate;
• light generating means for generating a plurality of optical signals;
• modulation waveform generating means regulated by the clock for generating a plurality of modulation waveforms, each waveform having a plurality of states and an integer X associated therewith, X being different for each waveform, and the integers X forming a set of integers Xn;
• and
• modulation means for modulating the plurality of optical signals generated by the light generating means with the plurality of modulation waveforms generated by the modulation waveform generating means;
• said waveform-generating means being configured to generate said plurality of waveforms by:
• defining a repeat period for the waveforms, the repeat period being equal to 2Y cycles of the clock and being the same for each waveform, Y being an integer greater than the highest integer of the set of integers Xn;
• and
• counting X mod Y for each waveform at each clock cycle and changing the state of the waveform each time Y is reached or exceeded by said counting.

An apparatus for identifying the fibers of a fiber optic cable comprising:

• inputting means for inputting a set of signals at one end of the fiber optic cable to the fibers of said fiber optic cable;
• detecting means for detecting the signals at another end of the fiber optic cable, wherein each signal of the set of signals has a different waveform, and is an input to a respectively different fiber, whereby each fiber has an input signal of a different waveform from the other fibers in the cable;
• a generating clock operating at a generating frequency;
• and
• frequency dividing means for dividing the generating frequency by a set of integers, wherein the frequency dividing means is arranged to produce waveforms of different frequencies, each waveform being a pure tone.

An apparatus for identifying the fibers of a fiber optic cable, comprising:

• inputting means for inputting a set of signals at one end of the fiber optic cable to the fibers of the fiber optic cable such that the signals may be detected at a second end of the fiber optic cable, wherein each signal of the set of signals has a different waveform, and is an input to a respectively different fiber, whereby each fiber has an input signal of a different waveform from the other fibers in the cable;
• a generating clock for establishing a generating clock cycle at a generating rate;
• light generating means for generating a plurality of optical signals;
• modulation waveform generating means regulated by the clock for generating a plurality of modulation waveforms, each waveform having a plurality of states and an integer X associated therewith, X being different for each waveform, and the integers X forming a set of integers Xn;
• and
• modulating means for modulating the plurality of optical signals generated by the light generating means with the plurality of modulation waveforms generated by the modulation waveform generating means, said waveform generating means being configured to generate said plurality of waveforms by defining a repeat period for the waveforms, the repeat period being equal to 2Y cycles of the clock and being the same for each waveform Y, being an integer greater then the highest integer of the set of integers Xn;
• and
• counting X mod Y for each waveform at each clock cycle and changing the state of the waveform each time Y is reached or exceeded by said counting.

An apparatus for identifying the fibers of a fiber optic cable, comprising:

• a laser to input a set of signals at one end of the fiber optic cable to the fibers of said fiber optic cable;
• a detector to detect the signals at another end of the fiber optic cable, wherein the laser is adapted to input a signal of a different waveform into each of the fibers of said fiber optic cable;
• a generating clock to establish a generating clock cycle at a generating rate;
• a light generator to generate a plurality of optical signals;
• a modulation waveform generator regulated by the clock to generate a plurality of modulation waveforms, each waveform having a plurality of states and an integer X associated therewith, X being different for each waveform, and the integers X forming a set of integers Xn;
• and
• a modulator to modulate the plurality of optical signals generated by the light generator with the plurality of modulation waveforms generated by the modulation waveform generator, said waveform generator being configured to generate said plurality of waveforms by defining a repeat period for the waveforms, the repeat period being equal to 2Y cycles of the clock and being the same for each waveform, Y being an integer greater than the highest integer of the set of integers Xn;
• counting X mod y for each waveform at each clock cycle and changing the state of the waveform each time Y is reached or exceeded by said counting.

An apparatus for identifying the fibers of a fiber optic cable, comprising:

• a laser to input a set of signals at one end of the fiber optic cable to the fibers of said fiber optic cable, said signals being detectable at another end of the fiber optic cable, wherein the laser is adapted to input a signal of a different waveform into each of the fibers of said fiber optic cable;
• a generating clock to establish a generating clock cycle at a generating rate;
• a light generator for generating a plurality of optical signals;
• a modulation waveform generator regulated by the clock to generate a plurality of modulation waveforms, each waveform having a plurality of states and an integer X associated therewith, X being different for each waveform, and the integers X forming a set of integers Xn;
• and
• a modulator to modulate the plurality of optical signals generated by the light generating means with the plurality of modulation waveforms generated by the modulation waveform generator, said waveform generator being configured to generate said plurality of waveforms by defining a repeat period for the waveforms, the repeat period being equal to 2Y cycles of the clock and being the same for each waveform, Y being an integer greater than the highest integer of the set of integers Xn;
• and
• counting X mod Y for each waveform at each clock cycle and changing the state of the waveform each time Y is reached or exceeded by said counting.

An apparatus for identifying the fibers of a fiber optic cable, comprising:

• a detector adapted to detect, at one end of the fiber optic cable, signals input at another end of the fiber optic cable, wherein the set of signals detected at said one end of the fiber optic cable are each a different waveform, the waveforms characterized by each waveform having a plurality of states and an integer X associated therewith, X being different for each waveform, and the integers X forming a set of integers Xn and each waveform being generated by:
• defining a repeat period for the waveforms, the repeat period being equal to 2Y cycles of the clock and being the same for each waveform, Y being an integer greater than the highest integer of the set of integers Xn;
• and
• counting X mod Y for each waveform at each clock cycle and changing the state of the waveform each time Y is reached or exceeded by said counting.

A method of detecting fiber optic cables, comprising:

• successively or simultaneously, inputting a unique set of signals with a transmitter at one end of the fiber optic cable to the fibers of said fiber optic cable, the unique set of signals is produced such that the unique set of signals have an arithmetic progression without integer subdivision of a clock cycle;
• detecting the unique set of signals at another end of the fiber optic cable with a detector, the detector comprising a fourier transform;
• and
• determining which fiber of the fiber optic cable that the unique set of signals was inputted through an analysis of the unique set of signals, the signal is analyzed by the fourier transform.