Title:
【発明の名称】ディジタル式移動電話のアンテナ切替回路
Document Type and Number:
Japanese Patent JP2929296
Kind Code:
B2
Abstract:
In a digital mobile phone based on time-division multiplexing (TDMA) a separate RF antenna switch is replaced by a duplex filter of the type used in analog technique.
Inventors:
ERUTSUKI JUHANI KUISUMA
Application Number:
JP19281789A
Publication Date:
August 03, 1999
Filing Date:
July 27, 1989
Export Citation:
Assignee:
NOKIA MOBIRA OY
International Classes:
A42B3/32; H04B1/38; H04B1/44; H04B1/48; H04B1/52; H04B7/26; (IPC1-7): H04B1/44
Domestic Patent References:
| JP5464409A | ||||
| JP5525309A | ||||
| JP639303A |
Attorney, Agent or Firm:
Tadashi Hamamoto (1 person outside)