High-voltage power source
AssigneeCanon Kabushiki Kaisha
InventorsYoshiaki Sone, Kanou Tanaka
Life of this patent
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Abstract
A high-voltage power source for suppling a high voltage to corona dischargers used with an electrophotographic apparatus, wherein plural connectors to be connected to the plugs of said corona dischargers are integrally mounted on a casing of a transformer and are connected to the output terminals of said transformer without high-voltage cable thereby eliminating the noise conventionally generated by such high-voltage cable and simultaneously achieving economization of the space and cost required for said cable and the conventionally used separate connectors.
Claims24
A high-voltage power source for supplying a high voltage to a corona discharger which applies corona to an image-carrying member of an image forming apparatus, comprising:
- a transformer for converting a lower voltage into a high voltage suitable for corona discharge;
- a casing encircling said transformer;
- and
- connector means integrally mounted on said casing, said connector means being connected to the output side of said transformer, and adapted to be directly connected to the plugs of said corona discharger for supplying a high voltage to the corona wires thereof.
A high-voltage power source for supplying a high voltage to corona dischargers, comprising:
- an inverter transformer adapted to convert a low voltage into a high voltage suitable for corona discharge;
- a casing encircling said transformer and mounted on a side plate on which an image-carrying member is mounted, said casing further comprising a recess for receiving the drive system of said image-carrying member, and further functioning to electrically ground the entire high-voltage power source through a mounting hole thereof;
- and
- plural connectors integrally mounted on said casing, having internal diameters larger than the external diameter of the plugs of the corona dischargers, connected to the output side of said transformer without high-voltage cables and adapted to be directly connected with said plugs of the corona dischargers for supplying a high voltage to the corona wires thereof.
A high-voltage power source for supplying a high voltage to corona dischargers, comprising:
- a transformer adapted to convert a low voltage to a high voltage suitable for corona discharge;
- a casing encircling said transformer;
- a connector integrally mounted on said casing, connected to the output side of said transformer without high-voltage cables and adapted to be directly connected to the plugs of said corona dischargers for supplying a high voltage to the corona wires thereof;
- and
- a grounding terminal provided in the vicinity of said connectors and adapted to be directly contacted with the casings or shields of the corona dischargers for grounding the same.
Dependencies are inferred from the claim text.