Registers – Transfer mechanism – Traveling pawl
Patent
1976-02-23
1977-09-13
Atkinson, Charles E.
Registers
Transfer mechanism
Traveling pawl
235153AK, G06F 1100, H04Q 342
Patent
active
040484823
ABSTRACT:
In an electronic switching system, there is provided an arrangement which, without doubling the computers of the control units, enables the switching elements of the system to be controlled without interruption in the event of a failure affecting their control. To this end, the system comprises n control units each with an independent store (memory). The program corresponding to two functions i.e. to the control of two groups of switching elements is written in the independent store of each unit. Exchange memories, interconnecting the independent stores in twos, enable the momentary data necessary for monitoring of the group of switching elements in charge of the control unit under failure to be transferred from this unit to the other unit holding, in its independent store, the program relating to the same group.
REFERENCES:
patent: 3609704 (1971-09-01), Schurter
patent: 3735356 (1973-05-01), Yates
patent: 3833798 (1974-09-01), Huber et al.
patent: 3848116 (1974-11-01), Moder et al.
patent: 3921149 (1975-11-01), Kreis et al.
patent: 3959638 (1976-05-01), Blum et al.
patent: 3964056 (1976-06-01), Charpentier et al.
patent: 3978327 (1976-08-01), Huber
Charransol Pierre
Danis Roger
Hauri Jacques
"Thomson-CSF"
Atkinson Charles E.
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