Image forming apparatus

US2016124373A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2016124373-A1
Application numberUS-201514924854-A
CountryUS
Kind codeA1
Filing dateOct 28, 2015
Priority dateOct 31, 2014
Publication dateMay 5, 2016
Grant date

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  1. Title

    What the patent document calls the invention.

  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An image forming apparatus includes a voltage application unit, a target device, a voltage application line, and an electric-current return line. The voltage application unit applies a voltage to the target device through the voltage application line made of a conductor. The electric-current return line made of a conductor connects the target device to the voltage application unit. An electric current that flows upon application of the voltage from the voltage application unit to the target device returns to the voltage application unit through the electric-current return line. The electric-current return line has a length shorter than a path by way of the casing of the image forming apparatus.

First claim

Opening claim text (preview).

What is claimed is: 1 . An image forming apparatus comprising: a voltage application unit configured to apply a voltage; a target device, to which the voltage is to be applied; a voltage application line, through which the voltage is applied from the voltage application unit to the target device, the voltage application line being made of a conductor; and an electric-current return line, through which an electric current that flows upon application of the voltage from the voltage application unit to the target device returns to the voltage application unit, made of a conductor and connecting the target device to the voltage application unit, the electric-current return line having a length shorter than a path by way of a casing of the image forming apparatus. 2 . The image forming apparatus according to claim 1 , wherein the length of the electric-current return line is adjusted so that a sum of a length of the voltage application line and the length of the electric-current return line is other than a length corresponding to integer multiple wavelength of a wavelength corresponding to a switching frequency of the voltage application unit. 3 . The image forming apparatus according to claim 2 , wherein the sum of the length of the voltage application line and the length of the electric-current return line is less than four times a linear distance between the voltage application unit and the target device. 4 . The image forming apparatus according to claim 1 , wherein the electric-current return line is arranged in proximity and parallel to the voltage application line. 5 . The image forming apparatus according to claim 3 , wherein the electric-current return line is configured so as to minimize an inner area of a loop antenna formed by the voltage application line and the electric-current return line.

Assignees

Inventors

Classifications

  • G03G15/80Primary

    Details relating to power supplies, circuits boards, electrical connections · CPC title

  • Power supply control, e.g. power-saving mode, automatic power turn-off · CPC title

Patent family

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Frequently asked questions

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What does patent US2016124373A1 cover?
An image forming apparatus includes a voltage application unit, a target device, a voltage application line, and an electric-current return line. The voltage application unit applies a voltage to the target device through the voltage application line made of a conductor. The electric-current return line made of a conductor connects the target device to the voltage application unit. An electric …
Who is the assignee on this patent?
Hamano Toshihiro, Joichi Norio, Ricoh Co Ltd
What technology area does this patent fall under?
Primary CPC classification G03G15/80. Mapped technology areas include Physics.
When was this patent published?
Publication date Thu May 05 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).