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7416644 |
Method and device for stripping ammonia from liquids
The present invention provides a method and a system for stripping volatile compounds such as ammonia from liquids. Part of the ammonia is stripped from the liquid in a system having a shunt...
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7160456 |
Method and equipment for processing organic material
A method for processing organic material, in which method bioconversion is performed on the organic material in at least one first reactor, the biogas formed in the bioconversion is treated with...
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7158582 |
Digital I/Q modulator having a predistortion
An I/Q modulator processes a time-discrete I/Q signal comprising an I component and a Q component. The I/Q signal is based on a sampling frequency which is equal to four times a carrier frequency...
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5687176 |
Zero byte substitution method and apparatus for telecommunications equipment
An interface circuit is provided for implementing zero-byte substitution (ZBS) in a channel unit or line card which couples a digital subscriber line, such as a basic or primary rate Integrated...
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4587514 |
Interface method and apparatus
An interface apparatus utilizing data encoding/decoding methods having particular application for use in interfacing data processing and telecommunication equipment is disclosed. The interface...
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4504946 |
Time division multiple access communication systems
An improved time division multiple access (TDMA) satellite transmission system uses N TDMA stations and employs a signal format in which successive time frames begin with a header containing...
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4491946 |
Multi-station token pass communication system
A data communication system is disclosed that utilizes a synchronized serial bus for communication between multiple stations connected to the bus. A token is employed such that when owned by a...
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4432065 |
Method and apparatus for generating a pulse train with variable frequency
For generating a pulse train having a variable frequency, in a first step a referance frequency is divided by the combined factor D r =Np, wherein N and p are integers. Thus, an auxiliary pulse...
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4160877 |
Multiplexing of bytes of non-uniform length with end of time slot indicator
A data transmission system is described wherein data in a plurality of constituent streams are received at a multiplexer, processed to form a single composite stream comprising time slots each...
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4051328 |
Method for operating a digital time division multiplex communication network
A digital time division multiplex communication network wherein the subscriber terminals are disposed in a fixed order on a TDM trunk going out from and ending in the terminal exchange is...
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3904829 |
Demand driven multiplexing system
A demand driven multiplexing system is provided having first and second closed-loop communications links, each connected to a central control station and to a plurality of serially-arranged remote...
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3742148 |
MULTIPLEXING SYSTEM
A system for operatively connecting, one at a time, a plurality of sequentially arranged identical data input stations to a single terminal for data transmission. Each station contains a control...
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