Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MICRO MACHINE SWITCH, FILTER CIRCUIT, DUPLEXER CIRCUIT, AND COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2007/125969
Kind Code:
A1
Abstract:
A micro machine switch is provided to switch electric connection between signal electrodes in response to a control signal from an outside. The control signal is comprised of a first control signal for connecting the signal electrodes for a signal to pass and a second control signal for cutting off the electric connection between the signal electrodes. The micro machine switch is provided with a substrate; a rotating member rotatably provided on the substrate; a movable electrode provided on the rotating member; a first signal electrode, wherein one end of the first signal electrode is connected with one end of the movable electrode while the other end is connected with the substrate; a second signal electrode provided around the rotating member at a position where the other end of the movable electrode is connected with the second signal electrode by rotation of the rotating member; and a driving unit for rotating the rotating member until a position where the other end of the movable electrode electrically is connected with the second signal electrode in accordance with the first control signal and for rotating the rotating member until a position where the other end of the movable electrode is electrically disconnected from the second signal electrode in accordance with the second control signal.

Inventors:
NAKATSUKA, Hiroshi (())
中塚 宏 (())
YAMAKAWA, Takehiko (())
Application Number:
JP2007/058975
Publication Date:
November 08, 2007
Filing Date:
April 25, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1006, Oaza Kadoma Kadoma-sh, Osaka 01, 5718501, JP)
松下電器産業株式会社 (〒01 大阪府門真市大字門真1006 Osaka, 5718501, JP)
NAKATSUKA, Hiroshi (())
中塚 宏 (())
International Classes:
H01H59/00; B81B5/00; H01H57/00
Domestic Patent References:
WO2005117051A1
Foreign References:
JPH04306520A
JPS5840723A
JPS5812235A
JPH1145649A
Attorney, Agent or Firm:
OGASAWARA, Shiro (Daido-Seimei Esaka Bldg, 13th Floor 1-23-101, Esakach, Suita-shi Osaka 63, 5640063, JP)
Download PDF: