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:
Sep. 16, 1997
Filed:
Jan. 30, 1996
Mitsumi Electric Co., Ltd., Tokyo, JP;
Abstract
An integral type flat antenna provided with a converter function includes an antenna element having a feeding point and an integrally formed multilayered substrate for supporting the antenna element thereon. The multilayered substrate includes a grounding plane layer on which the antenna element is mounted, a first insulating layer provided below the grounding plane layer, a second insulating layer positioned below the first insulating layer and provided with a frequency conversion circuit for carrying out a converter function on frequency of received signals, the frequency conversion circuit having a signal input portion which is positioned at one end of the second insulating layer, and a conducting layer provided between the first and second insulating layers for connecting the feeding point of the antenna element to the signal input section of the frequency conversion circuit.