Electricity: motive power systems – Supplied or controlled by space-transmitted electromagnetic...
Reexamination Certificate
2005-05-31
2005-05-31
Masih, Karen (Department: 2837)
Electricity: motive power systems
Supplied or controlled by space-transmitted electromagnetic...
C318S286000, C318S282000, C318S280000, C318S466000, C318S581000
Reexamination Certificate
active
06900603
ABSTRACT:
A wireless DC control device including a radio frequency transmitter, receiver, and switching circuit controls the current and polarity of the current that is used to power DC motors used in mobile living quarters. The control device has particular application for controlling the extension and retraction of slide-out rooms in a mobile living quarters.
REFERENCES:
patent: 4505643 (1985-03-01), Millis et al.
patent: 4776415 (1988-10-01), Brice
patent: 6300734 (2001-10-01), Franke et al.
patent: 2003/0089296 (2003-05-01), Haynes
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