"Philtron" does sound sound like a lovebot.
This was... a femfatalatron, an erotifying device stochastic, elastic and orgiastic, and with plenty of feedback; whoever was placed inside the apparatus instantaneously experienced all the charms, lures, wiles, winks and witchery of all the fairer sex in the Universe at once. The femfatalatron operated on a power of forty megamors, with a maximum attainable efficiency - give a constant concupiscense coefficent - of ninety-six percent, while the system's libidinous lubricity, measured of course in kilocupids, produced up to six units for every remote-control caress. This marvelous mechanism, moreover, was equipped with reversible ardor dampers, omnidirectional consummation amplifiers, absorption philters, paphian peripherals, and "first-sight" flip-flop circuits...
"The Fourth Sally, or How Trurl Built a Femfatalatron to Save Prince Pantagoon from the Pangs of Love, and How Later He Resorted to a Cannonade of Babies" from The Cyberiad by Stanis?aw Lem (1974 Avon Books translation)