Matches 1 - 15 out of 15
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7099680 Data interface protocol for two-way radio communication systems  
A method and system is disclosed that allows for the designation of over 1,000,000 individual users in a communication system, such as an EDACS system, using the existing five-digit portion of comm...
6804529 Trunked radio repeater communication system including home channel aliasing and call grouping  
A system for channel assignment in a trunked transmission communication system including a plurality of subscribers. A plurality of subscribers is provided home channel assignment to reduce collisi...
6771716 Method of communication with coherence checking and device for the implementation thereof  
A method of communication between a master unit and a slave unit is of the type including the transmission of messages comprising a useful information word, as well as one or more service bits. The...
6567401 SEPARATE STRUCTURE OF A DATAPATH LAYER AND A PHYSICAL LAYER WITHIN AN ACCESS NETWORK LOADED WITH A V5.2 PROTOCOL IN A WIRELESS COMMUNICATION SYSTEM AND COMMUNICATION METHOD BETWEEN TWO BOARDS RESPECTIVELY HAVING THE DATAPATH LAYER AND THE PHYSICAL LAYER  
There is disclosed a separate structure of a datapath layer and a physical layer within an access network loaded with a V 5.2 protocol in a wireless communication system and communication method be...
6529486 Trunked radio repeater communication system  
A trunked radio repeater communication system capable of use in a networked system includes a plurality of distributive switches and a unique signaling protocol and a switching protocol for interco...
6385210 Method for detecting and resolving data corruption in a UART based communication network  
A method for communicating information between networked UARTs to achieve reliable peer to peer communication. A negative acknowledgment (NACK) signal is generated in the event that message corrupt...
6374115 Method and apparatus for trunked radio repeater communications with backwards compatibility  
A trunked radio repeater communication system capable of use in a networked system includes a plurality of distributive switches and a unique signaling protocol and a switching protocol for interco...
6188885 Communications systems for transmitting high power voice mail notifications and related methods and user terminals  
A user terminal provides communications to and from a radiotelephone communications system. This radiotelephone communications system supports communications with the user terminal at a first power...
6073186 Low speed serial bus protocol and circuitry  
A serial bus communications method and circuitry for low speed serial bus functions. Over a two-wire communications channel, a unidirectional clock line and a bidirectional data line are used to tr...
5819051 Low speed serial bus protocol and circuitry  
A serial bus communications method and circuitry for low speed serial bus functions. Over a two-wire communications channel, a unidirectional clock line and a bidirectional data line are used to tr...
5815799 Priority system for a wide area transmission trunked communication system  
A method and apparatus for providing priority access for users in a transmission trunked communication system, including a plurality of distributive radio network terminal (RNT) switches and a uniq...
5797102 Arrangement for adapting the signal level in mobile phones  
The object of the disclosure is an arrangement for adapting the signal level in mobile phones according to the related auxiliary device connected to the mobile phone. The microprocessor (MCU) of th...
5613196 Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system  
A land mobile transmission trunked communication system is provided with a unique switching protocol arrangement among repeaters that are networked to one or more external communication networks. T...
5548802 Method and apparatus for a remote network switch for a land mobile transmission trunked communication system  
A method and apparatus for distributively interconnecting a plurality of land mobile trunked transmission communication systems into a wide area network includes a plurality of distributive radio n...
5465386 Signaling protocol for a distributive wide area transmission trunked communication system  
A land mobile transmission trunked communication system is provided with an enhanced control signal protocol. The land mobile transmission trunked communication system includes a plurality of trans...

Matches 1 - 15 out of 15