Communications: radio wave antennas – Antennas – With radio cabinet
Reexamination Certificate
2006-01-10
2006-01-10
Nguyen, Hoang V. (Department: 2821)
Communications: radio wave antennas
Antennas
With radio cabinet
C455S090300
Reexamination Certificate
active
06985110
ABSTRACT:
An antenna device, a radio communication terminal, an external antenna, and a hand strap can be provided, which are capable of ensuring satisfactory communication performance without being affected by the surrounding environment even in an area where the electric field is weak, and having the antenna performance improved by slightly modifying the body of an existing radio communication device. The antenna device according to the present invention includes an internal antenna (2) electrically connected to and incorporated into a circuit for radio communication within a case (1) and an external antenna (3) externally attached to the case.
REFERENCES:
patent: 5504494 (1996-04-01), Chatzipetros et al.
patent: 6556812 (2003-04-01), Pennanen et al.
patent: 6611504 (2003-08-01), Kanda et al.
patent: 6856819 (2005-02-01), Itoh
patent: 6-7305 (1994-01-01), None
patent: 6-85730 (1994-03-01), None
patent: 7-94923 (1995-04-01), None
patent: 8-186518 (1996-07-01), None
patent: 11-220418 (1999-08-01), None
patent: 2000-500315 (2000-01-01), None
patent: 2000-114865 (2000-04-01), None
Fukasawa Toru
Imanishi Yasuhito
Makino Shigeru
Nishioka Yasuhiro
Sunahara Yonehiko
Mitsubishi Denki & Kabushiki Kaisha
Nguyen Hoang V.
LandOfFree
Antenna device, wireless communication terminal, external... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Antenna device, wireless communication terminal, external..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Antenna device, wireless communication terminal, external... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3578999