Mitsubishi Electric Corporation

Takuro Sasaki

Toru Fukasawa

Tomohiro Mizuno

Yoshio Inasawa

Michio Takikawa

Yukihiro Honma

Yasuhiro Nishioka

Hiroaki Miyashita

Hirokatsu Okegawa

Tomohiro Takahashi

Jun Goto

Masataka Otsuka

Takashi Yanagi

Yukihiro Homma

Jun Nishihara

Narihiro Nakamoto

Kazunari Kihira

Kei Yokokawa

Tomoyuki Koyanagi

Yuki Takatani

Toru Fukusawa

An array antenna device, including: a waveguide () having a plurality of radiation units () arranged on one tube wall thereof, in which the waveguide () has a plurality of grooves () arranged on an inner side of a tube wall facing the tube wall, movable short-circuit surfaces () each electrically short-circuited to an inner wall of one of the grooves (), and movable short-circuit surface controlling mechanisms () for changing positions of the movable short-circuit surfaces ().

Array antenna device

A microwave irradiating and heating device including: a reaction furnace containing a sample material to be irradiated with a microwave passed through an opening and to be heated; a microwave irradiating source disposed outside the reaction furnace; a rotated quadric surface mirror reflecting microwave emitted from the microwave irradiating source toward the opening, and disposed above the reaction furnace; a lid for the opening, at least a portion of the lid made from dielectric to transmit microwave reflected on the rotated quadric surface mirror into the reaction furnace; wherein an angle of incidence of the microwave, reflected on the rotated quadric surface mirror and irradiated at the portion of the lid made from the dielectric, is at an angle causing a polarized wave of the microwave to pass through the portion.

Microwave irradiating and heating device

A microwave irradiating and heating device including a reaction furnace for containing a sample material to be irradiated with microwave and to be heated, a lid provided for the reaction furnace and having a single hole, a microwave irradiating source for emitting a microwave, the microwave irradiating source being disposed outside the reaction furnace, and a rotated quadric surface mirror for reflecting the microwave emitted from the microwave irradiating source into the reaction furnace through the hole of the lid, the rotated quadric surface mirror being disposed above the reaction furnace.

In order to obtain an electromagnetic transmission device and an electromagnetic transmission system that emit high-power continuous microwaves stably onto a material or an irradiation target in electromagnetic heating systems and electromagnetic power transmission systems that are required to emit electromagnetic waves such as high-power microwaves, the electromagnetic transmission device, the power amplification device, and the electromagnetic transmission system emit, onto an irradiation target, electromagnetic waves that are modulated by a repeating pulse with a predetermined transmission duty cycle, or electromagnetic waves that are modulated by a repeating pulse with a predetermined transmission duty cycle and are amplified.

Electromagnetic transmission device, power amplification device, and electromagnetic transmission system

Disclosed is a microwave irradiating and heating device including: a reaction furnace () for containing a sample material () to be irradiated with microwave and to be heated; a polarization grid () provided for the reaction furnace (); a microwave irradiating source () for emitting a linearly polarized microwave, the microwave irradiating source () being disposed outside the reaction furnace (); and a reflector () for reflecting the microwave emitted from the microwave irradiating source () toward the reaction furnace () through the polarization grid (), the reflector () being disposed above the reaction furnace (), wherein the microwave irradiating source () is arranged in such a way that the polarization direction of the reflected microwave which is made incident upon the polarization grid () is perpendicular to an orientation of the polarization grid ().

A wireless communication device whose impedance can be matched with an arbitrary load impedance and that can be broadened in operating frequency band even when choosing an input impedance of an IC chip freely is not possible. The wireless communication device includes: a first conductor; a second conductor disposed substantially parallel to the first conductor; a hole formed in the second conductor; a capacitive coupling mechanism disposed adjacent to the hole; and a communication circuit which has at least one of a radio wave transmitting function and a radio wave receiving function. The communication circuit is connected through the capacitive coupling mechanism to two sites on the second conductor that are near borders between the second conductor and the hole.

Wireless communication device

A radio communication device is obtained which is provided with an RFID tag function which can ensure the mounting area of each antenna as large as possible, and which is sharable with an LF band RFID system or an HF band RFID system and a UHF band RFID system, while having a communication range equivalent to the communication range of each of an LF band an HF band and a UHF band. The device is provided with an integrated circuit () having a communication function in a first frequency band, a conductive object () connected to one of input and output terminals of the integrated circuit (), an integrated circuit () having a communication function in a second frequency band, and a second conductive object connected between input and output terminals of the integrated circuit (). The second conductive object is composed of a spiral conductive object (). The other of the input output terminals of the integrated circuit () is connected to a part of the spirally wound conductive object ().

Growing community of inventors

Chiyoda-ku, Japan

Takuro Sasaki