pulser

Noun

 * 1) One who or that which pulses.
 * 2) A machine for generating a pulse.

Etymology
From +.

Verb

 * 1)  to pulse (heart and/or arteries)
 * 2)  to pulse, to throb (organs, a sensation of pain, or a strong emotion)
 * 3)  to pulse or pulsate (lighting)
 * 4)  to pulse (hot air) by ventilation