Hayes is the popular name for Hayes Communications[?], creator of the original self-dialing "smart" modem. It is also often used as a short form when referring to the Hayes command set, originally pioneered in Hayes modems.
Hayes is also the name of several cities in England:
... but the gyro will also be accelerated to a smaller extent by the slipping friction.
The device is covered by US patents 3,726,146 (1973) and 5,353,655 (1994) by ...