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Self configuring distribution amplifier for digital video signals

a distribution amplifier and video signal technology, applied in the field of self-configuring distribution amplifiers for digital video signals, can solve the problems of more complex matrix switchers for digital video signals and more expensive devices than distribution amplifiers

Active Publication Date: 2014-03-13
GERSHFELD JACK
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The self configuring distribution amplifier for digital video signals described in this patent allows for the efficient distribution of digital video signals from multiple inputs to multiple outputs in the desired combination. The amplifier includes a number of signal processing circuits, each with an input and output, along with an input detection circuit controlling three different switches. Depending on the presence of a digital video signal on the input, the three switches are placed in a particular configuration to ensure that the signals present on the input are also present on the output and on the bus after the signal processing circuit. This allows for the self-configuration of the amplifier and ensures that signals from particular inputs are distributed to particular outputs.

Problems solved by technology

However, matrix switchers for digital video signals are more complex and expensive devices than distribution amplifiers.

Method used

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  • Self configuring distribution amplifier for digital video signals
  • Self configuring distribution amplifier for digital video signals
  • Self configuring distribution amplifier for digital video signals

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Embodiment Construction

[0010]This invention will be better understood with reference to the drawing FIGS. 1 through 7. The same numerals refer to the same elements on all drawing figures.

[0011]Viewing, simultaneously, FIG. 1 and FIG. 2, numeral 10 indicates a bus. Bus 10 comprises a signal propagation direction indicated by numeral 20. In the FIGS. 1 and 2, signal propagation direction 20 is shown by an arrow pointing to the right side of the figures.

[0012]Numeral 30 indicates a signal processing circuit. A plurality of signal processing circuits 30 is disposed along signal propagation direction 20. Each signal processing circuit 30 comprises an input indicated by numeral 40, an output indicated by numeral 50, a first switch indicated by numeral 60, a second switch indicated by numeral 70, and a bus switch indicated by numeral 80.

[0013]First switch 60 has a first position indicated by numeral 1 and a second position indicated by numeral 2. The first position places input 40 in electrical communication wit...

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Abstract

A self configuring distribution amplifier for digital video signals comprises a number of signal processing circuits disposed on a bus along a signal propagation direction. Each signal processing circuit has an input and an output, as well as an input detection circuit controlling three different switches. The positions of the switches determines whether a signal from a particular input is present on a particular output and on the bus. This allows the self configuring distribution amplifier to distribute digital video signals from a number of inputs to a number of outputs in desired combinations.

Description

FIELD OF THE INVENTION[0001]The present invention relates to a self configuring distribution amplifier for digital video signals, and more specifically, a distribution amplifier capable of distributing digital video signals from a number of inputs to a number of outputs, in desired combinations.BACKGROUND OF THE INVENTION[0002]A distribution amplifier for digital video signals receives a digital video signal on its sole input and sends the same digital video signal to multiple outputs. On the other hand, a matrix switcher for digital video signals has multiple inputs and multiple outputs, and is capable of distributing different digital video signals from multiple inputs to multiple outputs in desired combinations. A matrix switcher thus has an advantage over a distribution amplifier in that it has the flexibility of receiving different digital video signals on multiple inputs and sending different digital video signals to the desired outputs in desired combinations.[0003]However, m...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04N5/14
CPCH04N5/148
Inventor GERSHFELD, JACK
Owner GERSHFELD JACK
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