F - Mech Eng,Light,Heat,Weapons – 42 – C
Patent
F - Mech Eng,Light,Heat,Weapons
42
C
F42C 15/42 (2006.01)
Patent
CA 2050064
ABSTRACT OF THE DISCLOSURE A system for remotely programming a mine includes a programming device comprising a computer having a data memory storing data representing all functions required to control the mine once the mine is laid, a code word memory and a random number generator. An output device is connected to the computer for displaying the data contained in the data memory. An input device causes data stored in data memory to be displayed by the output device, requests the random number generator to generate random numbers corresponding to respective addresses in data memory under which selected functions displayed by the output device are stored, and causes the storage of the generated random numbers as code words, together with corresponding data memory addresses, in the code word memory. A transmitter is connected to the computer for providing contactless transmission of the contents of the code word memory. A programmable electronic unit in the mine includes a receiver tuned to the transmitter of the programming device and a second computer connected to the receiver. The second computer has a second code word memory for storing the contents of the transmitted code word memory, and a second data memory corresponding to the data memory of the programming device storing data identical to the data stored in the data memory of the programming device. The second computer correlates a subsequently received code word with a code word previously stored in the second code word memory so that the function in the second data memory stored under the address corresponding to the subsequently received code word can be carried out.
Fetherstonhaugh & Co.
Rheinmetall Industrie Aktiengesellschaft
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