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:
Feb. 22, 2011
Filed:
Sep. 17, 2007
Naru Ikeda, Tokyo, JP;
Hiroto Honda, Tokyo, JP;
Yoshinori Iida, Tokyo, JP;
Ikuo Fujiwara, Yokohama, JP;
Naru Ikeda, Tokyo, JP;
Hiroto Honda, Tokyo, JP;
Yoshinori Iida, Tokyo, JP;
Ikuo Fujiwara, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
The present invention enables to provide a simple and inexpensive electromagnetic wave sensor that selectively detects sub-millimeter waves and millimeter waves in a specific frequency band, an imaging element and an imaging device. The distance of the gap between a plurality of antenna elements is smaller than the wavelength of infrared light. A capacitor electrically formed by the gap between the plurality of antenna elements, and an electrical resistor portion form parallel circuits electrically coupled to the antenna portion. The plurality of antenna elements are formed so that the impedance of the antenna portion is matched with the impedance of the parallel circuits against electromagnetic waves having a predetermined frequency, and is not matched against the higher harmonics of electromagnetic waves having the predetermined frequency.