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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...
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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...
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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...
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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...
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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....
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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...
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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...
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5440759 |
Modular networking switch system for a distributive wide area transmission trunked communication system
A modular networking switch system for a land mobile transmission trunked communication system provides transmission trunked communications with a plurality of transceivers and networks the...
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EP0245765B1 |
Data transfer control system
Abstract of EP0245765 The timings, at which data is supplied to and from a buffer, in which data to be transmitted or received is temporarily stored, is controlled by a controller to eliminate...
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5090013 |
Time slot protocol in the transmission of data in a data processing network
A data processing network having a host computer, a plurality of terminals, a cable for transmitting data between the host computer and the terminals, and a controller for controlling character...
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4845709 |
Data transfer control system
The data transmission control system includes a transmitter/receiver data buffer for temporarily storing data transmitted to or from a ring transmission line, a basic clock generating device for...
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4710918 |
Composite data transmission system
A composite data transmission system wherein packet switching stations adapted to transmit data of the kind for which transfer delay and periodicity do not matter and operated to detect collisions...
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EP0245765A2 |
Data transfer control system.
The timings, at which data is supplied to and from a buffer, in which data to be transmitted or received is temporarily stored, is controlled by a controller to eliminate underflow even with token...
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4706245 |
Network system
A network system having a single-wire common signal transmission line to which a plurality of data processing stations and a synchronous code signal generator are connected. Each station...
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4651316 |
Data link extension for data communication networks
In a data communication network (100) wherein using units (104-111) contend for access to the network communication bus (160), data links (101-103) interface using units located remotely from the...
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4586176 |
Method for correction of trouble in digital signal transmission system
This invention provides a method for the correction of troubles in the digital signal transmission system, which enables system timing to be quickly established when there occurs collision of...
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4279486 |
Film takeup device for an endoscope having a camera housed in a distal end portion of an endoscope sheath
A film takeup device for an endoscope comprises a takeup mechanism provided in an endoscope operation section; an operating wire section for transmitting the action of the takeup mechanism to a...
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