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.:
Date of Patent:
Jul. 26, 2005
Filed:
May. 27, 2003
Applicant:
Shin Chaki, Tokyo, JP;
Inventor:
Shin Chaki, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01P001/22 ;
U.S. Cl.
CPC ...
Abstract
An attenuator with a simple circuit configuration is and accurate attenuation includes four transistors connected in parallel between a connecting point on a main line and a ground. Since the transistors are individually brought into an 'ON' state and an 'OFF' state to function as “resistors” or “capacitors”, a desired attenuation be obtained by combinations of the ON and OFF states of the respective transistors.
Quick Actions:
Chaki, Shin. (2005). Attenuator with switchable transistors for controlling attenuation (U.S. Patent No. 6922115). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6922115
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