Registers – Transfer mechanism – Traveling pawl
Patent
1974-09-19
1976-06-15
Ruggiero, Joseph F.
Registers
Transfer mechanism
Traveling pawl
235186, 235194, G06G 722
Patent
active
039639126
ABSTRACT:
A multiplier circuit arrangement comprises two parallel paths for the same signal, one of the paths being associated with signal level adjusting means; and means responsive to imbalance of d.c. components including any in said parallel paths, th imbalance being in accordance with a d.c. signal in a third signal path, to produce a control signal for varying the signal level adjusting means to reduce the imbalance, so that a.c. components in said parallel paths will be unbalanced to an extent proportional to the d.c. signal in said third path. Such multipliers are particularly suited to resolving signals in a first set of axes into signals in a second set of axes where other signals are available which are combinable to give trigonometric functions required to translate between the first and second sets of axes. A plurality of multiplier circuits are used one for each coordinate of each signal to be resolved, the multiplier circuits being connected and interconnected to be responsive to corresponding coordinate signals and particular trigonometric function representative combinations of said other signals to produce product representative outputs, and means for additively combining those outputs to give the desired signals in the second axes.
REFERENCES:
patent: 3260485 (1966-07-01), Lerman et al.
patent: 3648041 (1972-03-01), Beatrice
patent: 3662162 (1972-05-01), Kallio
patent: 3705980 (1972-12-01), Brickner et al.
patent: 3868680 (1975-02-01), Rhodes
Brown Kenneth Robson
Sharp Colin Keith
Ferranti Limited
Ruggiero Joseph F.
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