Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-09-13
2005-09-13
Chin, Vivian (Department: 2682)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S509000, C455S511000, C370S431000, C370S432000, C375S356000
Reexamination Certificate
active
06944457
ABSTRACT:
The present invention relates to a communication system comprising devices (2a-2d) having means for short range communication using a certain frequency band. The frequency band is divided into communication channels. In the communication system some of said communication channels are predefined for establishment of the connection and other communication channels are predefined for data transfer between at least two devices. The present invention also relates to a communication device for communication in a communication system, the device having means for short range communication using a certain frequency band, which is divided into communication channels. The present invention further relates to a method for performing communication in a communication system comprising devices, which have means for short range communication using a certain frequency band, which is divided into communication channels.
REFERENCES:
patent: 5960344 (1999-09-01), Mahany
patent: 6526264 (2003-02-01), Sugar et al.
patent: 6760317 (2004-07-01), Honkanen et al.
patent: WO 00/62449 (2000-10-01), None
patent: WO 01/06710 (2001-01-01), None
patent: WO 01/11833 (2001-02-01), None
patent: WO 01/15472 (2001-03-01), None
Alinikula Petteri
Honkanen Mauri
Huomo Heikki
Huuskonen Pertti
Lappeteläinen Antti
Chin Vivian
Nokia Corporation
Perman & Green, LLP.
Phu Sanh
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