REMOTE CONTROL SYSTEM

1459433 Automatic control POWERSCREEN INTERNATIONAL Ltd 27 March 1974 [30 March 1973] 15502/73 Heading G3N A remote control system for a stockpiling machine comprises a power supply, a transmitter 1, a receiver 2, and a decoder unit 3 which operates solenoid valves 5 through electronic switches 4. T...

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Bibliographic Details
Main Authors ROBERT LINGGARD, PATRICK JOSEPH DOUGLAS, PATRICK O@NEILL
Format Patent
LanguageEnglish
Published 02.10.1975
Subjects
CONVEYING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HANDLING THIN OR FILAMENTARY MATERIAL
PACKING
PERFORMING OPERATIONS
PNEUMATIC TUBE CONVEYORS
SELECTING
SHOP CONVEYOR SYSTEMS
STORING
TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING
TRANSPORTING
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Summary:1459433 Automatic control POWERSCREEN INTERNATIONAL Ltd 27 March 1974 [30 March 1973] 15502/73 Heading G3N A remote control system for a stockpiling machine comprises a power supply, a transmitter 1, a receiver 2, and a decoder unit 3 which operates solenoid valves 5 through electronic switches 4. Transmitter 1 is crystal controlled and uses pulse sequence modulation or is a dual frequency transmitter. The receiver 2 has automatic gain control and is powered from a supply 30 comprising an alternator 31 a battery 32 and a voltage control unit 33. Decoder unit 3 includes a trigger detector circuit to prevent an intermediate signal state and a lock-out circuit to prevent simultaneous energization of more than one solenoid. A local control may be mounted on the stock-piling machine, the control being rendered operational by switch 6.
Bibliography:Application Number: AU19740067240