Rotary transformer

Details Rotary transformer Rotary transformer

1993-12-21

1995-05-02

Picard, Leo P.

Inductor devices

Relatively movable coils

With core

336200, 336232, H01F 2104

Patent

active

054123666

ABSTRACT:
A composite coil member for use in a rotary transformer is disclosed which is easily assembled and easily fitted in a transformer core of the rotary transformer. A plurality of coaxial conductive coils 4 are formed photolithographically on a plurality of coaxial portions of a flexible insulating member prepared by photolithography and the respective coaxial portions of the flexible insulating member are supported at at least three points on each coaxial portion by radially extending connecting portions 8 of the flexible insulating member.

REFERENCES:
patent: 4829401 (1989-05-01), Vranken
patent: 5239288 (1993-08-01), Tsals

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