Magnetic sensing device for outputting a digital signal as a dynamic representation of an analog signal

A magnetic sensing device comprising:

• a magnetic sensor outputting a first analog signal;
• and
• a digital circuit including:
• a dynamic reference threshold generator inputting said first analog signal, said dynamic reference threshold generator outputting a reference signal,
• wherein said reference signal equates a percentage of said first analog signal in response to a detection of a first signal feature of said first analog signal during a cycle of said first analog signal, and
• wherein said reference signal equates a fixed percentage of one of a pair of peak amplitudes of said first analog signal in response to a detection of a second signal feature of said first analog signal during a cycle of said first analog signal, ;
• and
• an output format generator inputting said reference signal and said first analog signal, said output format generator outputting a digital signal, said digital signal equating a first logic signal level in response to said first analog signal being greater than said reference signal, said digital signal equating a second logic signal level in response to said first analog signal being less than said reference signal.

A magnetic sensing device comprising:

• a magnetic sensor outputting a first analog signal;
• and
• a digital circuit including:
• an input signal conditioning circuit inputting said first analog signal, said input signal conditioning circuit outputting a second analog signal as a variant of said first analog signal;
• a dynamic reference threshold generator inputting said second analog signal, said dynamic reference threshold generator outputting a reference signal,
• wherein said reference signal equates a percentage of said second analog signal in response to a detection of a first quadrant or a second quadrant of said second analog signal during a cycle of said second analog signal, and
• wherein said reference signal equates a percentage of one of a pair of peak amplitudes of said second analog signal in response to a detection of a third quadrant or a fourth quadrant of said second analog signal during a cycle of said second analog signal;
• and
• an output format generator inputting said reference signal and said second analog signal, said output format generator outputting a digital signal, said digital signal equating a first logic signal level in response to said second analog signal being greater than said reference signal, said digital signal equating a second logic signal level in response to said second analog signal being less than said reference signal.

A magnetic sensing device comprising:

• a magnetic sensor outputting a first analog signal;
• and
• a digital circuit including:
• a dynamic reference threshold generator inputting said first analog signal, said dynamic reference threshold generator outputting a reference signal,
• wherein said reference signal equates a percentage of said first analog signal in response to a detection of a first quadrant or a second quadrant of said first analog signal during a cycle of said first analog signal, and
• wherein said reference signal equates a percentage of one of a pair of peak amplitudes of said first analog signal in response to a detection of a third quadrant or a fourth quadrant of said first analog signal during a cycle of said first analog signal;
• and
• an output format generator inputting said reference signal and said first analog signal, said output format generator outputting a digital signal, said digital signal equating a first logic signal level in response to said first analog signal being greater than said reference signal, said digital signal equating a second logic signal level in response to said first analog signal being less than said reference signal.

A magnetic sensing device comprising:

• a magnetic sensor outputting a first analog signal;
• and
• a digital circuit including:
• an input signal conditioning circuit inputting said first analog signal, said input signal conditioning circuit outputting a second analog signal, said second analog signal being a variant of said first analog signal;
• a dynamic dual reference threshold generator inputting said second analog signal, said dynamic dual reference threshold generator simultaneously outputting a first reference signal and a second reference signal,
• wherein said first reference signal equates a percentage of a positive peak amplitude of said second analog signal during a cycle of said second analog signal, and
• wherein said second reference signal equates a percentage of a negative peak amplitude of said second analog signal during a cycle of said second analog signal;
• and
• an output format generator concurrently inputting said first reference signal, said second reference signal, and said second analog signal, said output format generator outputting a digital signal, said digital signal equating a first logic signal level in response to said second analog signal being greater than said first reference signal, said digital signal equating a second logic signal level in response to said second analog signal being less than said second reference signal.

A magnetic sensing device comprising:

• a magnetic sensor outputting a analog signal;
• and
• a digital circuit including:
• a dynamic dual reference threshold generator inputting said analog signal, said dynamic duel reference threshold generator simultaneously outputting a first reference signal and a second reference signal,
• wherein said first reference signal equates a percentage of a positive peak amplitude of said first analog signal during a cycle of said first analog signal, and
• wherein said second reference signal equates a percentage of a negative peak amplitude of said first analog signal during a cycle of said first analog signal;
• and
• an output format generator concurrently inputting said first reference signal, said second reference signal, and said analog signal, said output format generator outputting a digital signal, said digital signal equating a first logic signal level in response to said analog signal being greater than said first reference signal, said digital signal equating a second logic signal level in response to said analog signal being less than said second reference signal.