Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Magnetic saturation
Patent
1994-09-30
1996-09-03
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Magnetic saturation
324127, G01R 3300
Patent
active
055527000
ABSTRACT:
A shield member is placed in a case, and connector pins extend through respective through capacitors and are soldered to the shield member. A core is inserted in the case, and has an engaging member engaging an upstanding portion of the case, the core having a gap fitted over a ridge on the case. A printed-circuit board has positioning holes fitted over pins on the core. The connector pins have respective upper ends inserted through and soldered to through holes defined in the printed-circuit board. Attachment holes defined in the printed-circuit board are held in registry with threaded holes defined in an upper end of the upstanding portion of the case, and the printed-circuit board is fastened to the upstanding portion by screws threaded through the attachment holes into the threaded holes. A shield cover is bent over into alignment with an upper edge of the shield member, and teeth on the shield member are bent inwardly onto and soldered or spot-welded to the shield cover. A cover is finally fixed to the case by fitting teeth on the cover into recesses in an upper end of the cover.
REFERENCES:
patent: 4283677 (1981-08-01), Niwa
patent: 4972140 (1990-11-01), Okazaki et al.
patent: 5004974 (1991-04-01), Cattaneo et al.
Hatsumi Masaaki
Seki Kazuhide
Shohara Hiroshi
Tanabe Toru
Karlsen Ernest F.
Kobert Russell M.
Stanley Electric Co. Ltd.
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