AMPLIFIER MODULE - ALPS ALPINE CO LTD

Title:

AMPLIFIER MODULE

Document Type and Number:

WIPO Patent Application WO/2020/059172

Kind Code:

A1

Abstract:

Provided is an amplifier module which, even if provided between a wireless communication antenna and a body portion of a wireless communication device, makes it possible for the body portion of the wireless communication device to detect a connection state of the wireless communication antenna. The amplifier module is disposed between the wireless communication antenna and the body portion of the wireless communication device, and is connected to the antenna and the body portion via a wiring member. The amplifier module comprises: an antenna-side terminal connected to the antenna; a body-side terminal connected to the body portion; an amplifying circuit disposed between the antenna-side terminal and the body-side terminal; an antenna detection circuit for detecting the electric characteristics of the antenna-side terminal; and a characteristics varying circuit for varying the electric characteristics of the body-side terminal on the basis of the electric characteristics of the antenna-side terminal detected by the antenna detection circuit.

Inventors:

NAKAYAMA EITA (JP)
KOFUNE KAZUSHI (JP)
YOSHIDA MUTSUMI (JP)

Application Number:

PCT/JP2019/009532

Publication Date:

March 26, 2020

Filing Date:

March 08, 2019

Export Citation:

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Assignee:

ALPS ALPINE CO LTD (JP)

International Classes:

H04B1/40; H04B1/3822

Foreign References:

JP2001068956A	2001-03-16
JP2006222746A	2006-08-24
JPH09186626A	1997-07-15
JP2002290262A	2002-10-04
JP2016086410A	2016-05-19
JP2015046789A	2015-03-12
JP2015046789A	2015-03-12
JP2018173998A	2018-11-08

Other References: