Minimum magnetic bubble driving circuits for multiple coils

Details Minimum magnetic bubble driving circuits for multiple coils Minimum magnetic bubble driving circuits for multiple coils

1979-01-08

1982-01-12

Curtis, Marshall M.

Static information storage and retrieval

Magnetic bubbles

Rotating field circuits

365226, G11C 1908

Patent

active

043108989

ABSTRACT:
The driving circuit for supplying current to coils for generating a rotating magnetic field is divided into a switch side circuit and a driver side circuit so as to pass current through only one of the coils. Each of the switch side circuit and the driver side circuit is constituted by a number of component circuits. The driving circuit comprises (N+M) component circuits for driving (N.times.M) coil circuits, where N represents the number of the component circuits of the switch side circuit and M that of the component circuits of the driver side circuit whereby additional coils may be driven without multiplying the number of driving circuits.

REFERENCES:
patent: 3943497 (1976-03-01), Yoshizawa et al.
patent: 3958160 (1976-05-01), de Niet et al.
patent: 4106088 (1978-08-01), Bergan
patent: 4153880 (1979-05-01), Navratil
Controlling Inplane Field Coil Currents . . . , Belser et al. _I.B.M. Tech. Discl. Bull.; vol. 20, No. 12; pp. 5315-5316; 5/78.

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