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:
Mar. 10, 2026
Filed:
Mar. 10, 2022
Nec Corporation, Tokyo, JP;
Kohei Yoshida, Tokyo, JP;
Ryota Nihei, Tokyo, JP;
Kenji Wakafuji, Tokyo, JP;
Koya Takata, Tokyo, JP;
Fujio Okumura, Kanagawa, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A planar antenna device that includes a first substrate having a patch antenna, a dielectric, and a second substrate. The second substrate includes a matrix circuit including a transistor pair including a first thin-film transistor and a second thin-film transistor, a first signal line to which a signal to be transmitted is input, a phase shift element including a plurality of phase shift wires, a second signal line electromagnetically coupled to the patch antenna via the slot, and a switch group configured by a first switching element having a first end of a channel connected to one end of the plurality of phase shift wires and a control electrode connected to the first thin-film transistor, and a second switching element having a first end of the channel connected to the other end of the plurality of phase shift wires and a control electrode connected to the second thin-film transistor.