The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 24, 2006
Filed:
Dec. 03, 2002
Marko Kantola, Jyväskylä, FI;
Marko Kantola, Jyväskylä, FI;
EADS Secure Networks Oy, Helsinki, FI;
Abstract
The invention concerns a system for transmitting information in a digital radio network system () between at least two modes of operation, which may be—a direct mode operation (DMO) between two terminal devices () operating independently of the physical radio network system () and—a trunked mode operation (TMO) supporting distribution of network resources and operating in the physical radio network system (). The transmission takes place with the aid of a special gateway unit (), wherein the gateway unit ()—listens to each or to a chosen mode of operation (DMO, TMO),—receives the transmission occurring in one mode of operation (TMO, DMO), and—transmits the received transmission to the other mode of operation (DMO, TMO). The gateway unit () is formed of two terminal devices () supporting each mode of operation, and whose data transfer interface (') have an audio input (AUDIO In) and output (AUDIO Out) as well as a receiving indication output (RX On) and a transmission connection input (PTT). The terminal devices' () receiving indication output (RX On) is connected to the other terminal device's () transmission connection input SIT), and wherein the terminal devices' () audio output (AUDIO Out) is connected to the other terminal device's () audio input (AUDIO In).