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Kashima; Yukiro
Takatsuki, JP
No. of patents:

Patent Number Title Of Patent Date Issued
7392073 Terminal apparatus June 24, 2008
Terminal equipment has mounted thereon a wireless module including a communication device having a transmission and reception antenna for connection to a wireless network and includes a first antenna unit which is connected to the transmission and reception antenna physically or spat
5890060 Micro-wave mixing circuit and down-flow converter using the same March 30, 1999
A micro-wave mixing circuit produces producing a stable frequency conversion characteristic against a dispersion of output voltage of a local oscillation signal tapped off from a local oscillator. A micro-wave signal fed into a micro-wave signal input can be converted into an interme
5754951 Microwave mixing circuit and a down converter comprising it May 19, 1998
A microwave mixing circuit of a small size for selecting a signal to be received out of plural microwave signal inputs, and converting it to an intermediate frequency signal, and a down converter comprising it are provided. A microwave input signal within a band of 12 GHz applied to one
5440279 Electromagnetic radiation converter August 8, 1995
An electromagnetic radiation converter for receiving and converting microwave signals having a circular or linear polarization. The converter comprises a waveguide for transmitting both circularly and linearly polarized signals, and a first mode transducer for converting the vertical
5422611 Waveguide-microstripline transformer June 6, 1995
A waveguide-microstripline transformer comprises a waveguide which is closed at one end and has a slit at a side wall thereof, a dielectric substrate plate placed on the slit, a microstripline placed on the dielectric substrate plate, and a shield case covering the dielectric substra
5285348 Circuit assembly for down converter for satellite communications February 8, 1994
A microminature down converter for satellite communications has a structure in which high frequency circuit printed boards (5) are respectively arranged on peripheral four surfaces of a box made of a die-casting and a power printed board (1) for supplying power to each of said high frequ
5280253 Cylindrical waveguide-to-microstrip line converter January 18, 1994
A microwave circuit includes a concentric-circle-like prominence (7) formed on a contact surface which is on the side of a metal body (3) serving as an external conductor of a coaxial line and which connects a conductor strip (1) of an MSL formed on a dielectric substrate (2) to an inter
5274340 Microwave multistage amplifier December 28, 1993
In a microwave multistage amplifier, a shield casing (8) has a partition plate (7) integrally moulded with and disposed in the casing (8); microwave amplifiers (5, 6) are arranged on a dielectric substrate so as to locate the partition plate therebetween; and an upper cover plate (11)
5204984 Down converter for satellite communication system April 20, 1993
A down converter device is disclosed which is used in a satellite communication system to convert a microwave signal to an intermediate frequency signal by the use of a standard signal having a frequency range of several to several tens of MHz, and to apply the intermediate frequency

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