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Patent

Data transmission system

TLDR
In this article, a complete binary word with a defined total bit number is subdivided into one or more partial binary words, with the respective bit numbers of the partial binary word being variable.
Abstract
A data transmission system and method in which digitalized information is transmitted via a data transmission link in complete binary words from a transmitter to a receiver. For data transmission, a complete binary word with a defined total bit number is subdivided into one or more partial binary words, with the respective bit numbers of the partial binary words being variable. The individual partial binary words are allocated all binary bit sequences that can be formed with the total number bits of the respective partial binary words, the various bit sequences being coded at respectively different positions within a partial binary word In each partial binary word exactly one binary bit sequence is transmitted from the transmitter to the receiver.

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Citations
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Patent

Pulse modulation method

Kenichi Miwa
TL;DR: In this article, a pulse modulation method was proposed to divide 4N-bit data into 2-bit units of data, and a code modulated signal was generated by pausing between pulse pause intervals Tr.
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TL;DR: In this article, the authors describe a communication device including an RF transmitter mounted in conjunction with an IR transmitter allowing data to be transmitted by RF as well as by IR, which can provide an immediate identification of the room (or enclosed space) wherein the portable device is located.
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Method and apparatus for multi-mode infrared data transmission

TL;DR: In this article, a correlation is established between a set of symbols and the corresponding signal position/signal characteristic combinations, where each symbol has a corresponding pulse position and a corresponding signal characteristic.
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Signalling method and structure suitable for out-of-band information transfer in communication network

TL;DR: In this paper, a high-speed out-of-band signalling technique for transferring information such as station status information between stations in a communication network, typically a local-area network, involves sequentially generating a plurality of n-bit sequence segments, where n is at least 3.
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Pulse position modulation communications protocol

TL;DR: In this article, a method for modulating a radio signal has the steps of: predetermining a first time interval so as to define a data word, generating a synchronization pulse, the synchronization pulse initiating a single data word having a length of the predetermined first-time interval; and generating a single pulse within the data word after a second time interval with respect to the synchronized pulse, defining at least one character.
References
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Patent

Apparatus and method for transmitting binary-coded information

TL;DR: In this paper, an apparatus is disclosed for transmitting binary-coded information over a fiber-optic link which provides a link monitor to indicate whether the link is intact and operating.
Patent

Phase-locked loop frequency shift key modulator

TL;DR: In this paper, the output of a voltage controlled oscillator is also divided by an output divider to obtain the desired carrier frequency and then filtered to provide a sinusoidal output signal.
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Digital FSK time rate of change modulator

TL;DR: In this paper, a digital FSK time rate change modulator is coupled to a digital input signal and generates either a first or a second output frequency, switching from one output frequency to the other in small increments over a predetermined time interval.