The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7424232 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 09, 2008

Filed:

Jun. 28, 2006
Applicants:

Norio Takahashi, Suntoh-gun, JP;

Harumi Ishiyama, Numazu, JP;

Jun Hirabayashi, Numazu, JP;

Inventors:

Norio Takahashi, Suntoh-gun, JP;

Harumi Ishiyama, Numazu, JP;

Jun Hirabayashi, Numazu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A charging apparatus includes a charger for being supplied with an AC voltage and for electrically charging a member to be charged; a current measurer for measuring a current flowing between the charger and the member to be charged when the AC voltage is supplied to the charger; and a particular current extractor for extracting from the current a particular current having a particular frequency.


Find Patent Forward Citations

Takahashi, Norio. (2008). Charging apparatus (U.S. Patent No. 7424232). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7424232

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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