Vacuum cleaner with three-wire power-supply and communication co

Details Vacuum cleaner with three-wire power-supply and communication co Vacuum cleaner with three-wire power-supply and communication co

1994-11-14

1996-10-22

Gordon, Paul P.

Boots, shoes, and leggings

15319, G06F 1900, A47L 928

Patent

active

055683746

ABSTRACT:
A vacuum cleaner is provided which has a motor housing (2) and a hose (8), which can be coupled via two mains-voltage wires (38, 42), one communication wire (48) and contacts (32, 34, 30). The motor housing (2) and the handle (10) of the hose (8) include microprocessors (6, 12) which communicate with one another via the communication wire (48). The first reference signal (26) of the one microprocessor (6) is connected to the one mains voltage terminal (18) and the second reference signal (44) of the other microprocessor (12) is connected to the other mains voltage terminal (40).

REFERENCES:
patent: 4455652 (1984-06-01), van der Meulen
patent: 4654924 (1987-04-01), Getz et al.
patent: 4953253 (1990-09-01), Fukuda et al.
patent: 5265305 (1993-11-01), Kraft et al.
patent: 5353468 (1994-10-01), Yap et al.

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