Title:
WIRELESS RECEIVING APPARATUS, MOBILE TERMINAL APPARATUS AND WIRELESS TRANSMITTING/RECEIVING APPARATUS INCLUDING THAT WIRELESS RECEIVING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2006/070565
Kind Code:
A1
Abstract:
A wireless receiving apparatus, a mobile terminal apparatus and a wireless transmitting/receiving apparatus including that wireless receiving apparatus wherein a down-converter is included which can be used in common to at least two different wireless communication systems using the same radio frequency band, and a local oscillation signal source is also included which can select an optimum C/N ratio for use in receiving at least two different wireless communication systems and which comprises a frequency divider, a switch, first and second voltage controlled oscillators, and a frequency synthesizer.
Inventors:
NAKAMURA MAKOTO
WATANABE KAZUNORI
SHIBASAKI ICHIRO
WATANABE KAZUNORI
SHIBASAKI ICHIRO
Application Number:
PCT/JP2005/022383
Publication Date:
July 06, 2006
Filing Date:
December 06, 2005
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
NAKAMURA MAKOTO
WATANABE KAZUNORI
SHIBASAKI ICHIRO
NAKAMURA MAKOTO
WATANABE KAZUNORI
SHIBASAKI ICHIRO
International Classes:
H04B1/26; H04B1/707; H04B1/18; H04B1/40; H04J3/00; H04J13/00
Foreign References:
| JPH09102752A | 1997-04-15 | |||
| JPS6367031A | 1988-03-25 | |||
| JP2000269848A | 2000-09-29 |
Attorney, Agent or Firm:
IKEUCHI SATO & PARTNER PATENT ATTORNEYS (OAP TOWER 8-30, Tenmabashi 1-chome, Kita-k, Osaka-shi Osaka, JP)
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