Electricity: motive power systems – Positional servo systems – With particular 'error-detecting' means
Reexamination Certificate
2008-04-29
2008-04-29
Leykin, Rita (Department: 2837)
Electricity: motive power systems
Positional servo systems
With particular 'error-detecting' means
C318S560000, C901S001000, C901S047000, C701S207000, C701S209000
Reexamination Certificate
active
11489510
ABSTRACT:
A moving-object directing system for directing a moving object to a target location includes: a moving-object directing unit and a moving object. The moving-object directing unit includes: a directing signal transmitter for generating a first moving-object directing signal, sequentially transmitting the first moving-object directing signal 360° in all directions, generating a second moving-object directing signal corresponding to directing information for directing the moving object to the target location upon receiving a signal indicating successful reception of the first moving-object directing signal, and transmitting the second moving-object directing signal, and a first RF (Radio Frequency) communication unit for receiving a signal indicating successful reception of the moving-object directing signal. The moving object includes: a second RF communication unit for wirelessly transmitting a signal indicating successful reception of the moving object directing signal to the moving object directing unit, and a controller for controlling operations of a wheel.
REFERENCES:
patent: 4964265 (1990-10-01), Young
patent: 5711388 (1998-01-01), Davies et al.
patent: 6271788 (2001-08-01), Longaker et al.
patent: 6404159 (2002-06-01), Cavallini
patent: 6640164 (2003-10-01), Farwell et al.
patent: 2005/0156562 (2005-07-01), Cohen et al.
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