Rotary transformer with flexible printed circuit boards

Details Rotary transformer with flexible printed circuit boards Rotary transformer with flexible printed circuit boards

1996-10-29

1998-06-09

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 552

Patent

active

057644438

ABSTRACT:
A rotary transformer comprises a rotor and a stator transformers. The rotor transformer has at least one first annular groove formed on a flat surface thereof and at least one first flexible printed circuit board ("FPCB") each of which is provided with a first annular portion and a first terminal portion on which a first circuit pattern is printed, the first annular portion being inserted into the first groove. The stator transformer has at least one second annular groove formed on a flat surface thereof, the second groove corresponding to the first groove of the rotor transformer, and at least one second FPCB each of which is provided with a second annular portion and a second terminal portion on which a second circuit pattern is printed, the second annular portion being inserted into the second groove.

REFERENCES:
patent: 4692822 (1987-09-01), Ksbscinski
patent: 4829401 (1989-05-01), Vranken

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