Electricity: electrical systems and devices – Electrostatic capacitors – Variable
Reexamination Certificate
2007-03-13
2007-03-13
Ha, Nguyen T. (Department: 2831)
Electricity: electrical systems and devices
Electrostatic capacitors
Variable
C361S287000, C361S290000, C361S299400, C361S292000
Reexamination Certificate
active
11118459
ABSTRACT:
An adjustable capacitor has a tubular housing including a first insulating section and a second section having a conductive portion at the exterior surface thereof forming an external terminal. An external terminal conductor is joined to an exterior terminal portion of the capacitor housing, for connecting the terminal to an external circuit. The external terminal conductor has a thickness, over its length, not less than a thickness of the housing. The external terminal conductor can have a width greater than the width of the housing, and a thickness not appreciably less than the average thickness of the housing. The external terminal conductor can be press-fitted onto the housing to form a secure electrical connection, attached by another suitable means, or integrally formed therewith.
REFERENCES:
patent: 2504758 (1950-04-01), Thias et al.
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patent: 3034027 (1962-05-01), Swick
patent: 4101951 (1978-07-01), Kuze
patent: 4179722 (1979-12-01), Johanson
patent: 4389696 (1983-06-01), Azuchi
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patent: 5867360 (1999-02-01), Kishishita et al.
patent: 6498712 (2002-12-01), Ditlya
patent: 6690568 (2004-02-01), Johnson
Ha Nguyen T.
Johanson Manufacturing Corporation
Morgan & Finnegan , LLP
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