Hydraulic and earth engineering – Earth treatment or control – Compaction
Reexamination Certificate
2006-02-14
2006-02-14
Lagman, Frederick L. (Department: 3673)
Hydraulic and earth engineering
Earth treatment or control
Compaction
C404S133050
Reexamination Certificate
active
06997648
ABSTRACT:
In order to control automatic working devices, especially soil compacting devices, a remote control device is provided which comprises a transmitter unit which can be actuated by a user and which is used to transmit control signals in the form of electromagnetic radiation and a receiver unit which is arranged on the working device and which outputs the received control signals in the form of electric control commands to the control unit of a working device. During operation of the working device, the transmitter unit can be connected to an external power source, which is arranged on the working device, via a cable for the supply of power thereto.
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Boyle Fredrickson Newholm Stein & Gratz S.C.
Lagman Frederick L.
Wacker Construction Equipment AG
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