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Method of evaluating degradation of electrical signals

a technology of degradation and electrical signals, applied in the field of video systems, can solve the problems of inability to provide accurate, degraded video signals, and inability to provide, and achieve the effect of convenient and reliable determination

Inactive Publication Date: 2001-05-03
GERSHFELD JACK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Those ordinarily skilled in the pertinent arts will recognize that after video signals pass through such video system and reach video display devices, the quality of the video signals frequently degrade.
A troublesome shortcoming of this method is that a person comparing these two images has to remember what the original image looked like because only one image is viewed at a time, and the original image is not displayed while the degraded image is observed.
However, those skilled in the pertinent arts will recognize that this method requires close proximity between video signal sources and video display devices, which in many cases is not possible.
In addition, different display characteristics of each monitor may provide inaccurate results.
However, those skilled in the pertinent arts will recognize that network analyzers, aside from being expensive, also require close proximity between video signal sources and video display devices, which in many cases is not possible.
In addition, specially trained personnel are required to operate complex network analyzers, who are often in short supply, and expensive.

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  • Method of evaluating degradation of electrical signals

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Embodiment Construction

23. Throughout the following detailed description, it should be understood by those skilled in the pertinent arts, that references to electrical communication shall not be limited to communications performed entirely by electrical means, but shall be understood that some portions of the overall communications of the electrical signals may be performed by other means, including but not limited to optical, RF, ultrasound, magnetic, microwave, acoustic and other signals and means now known to those skilled in the pertinent arts or later developed.

24. The initial discussion of the preferred embodiment shall be made by reference to FIG. 1. Starting on the left hand portion of FIG. 1, there is initially provided a Video Signal Source 10 which is placed in electrical communication with the first end of Cable 30 at Junction A. Video Signal Source 10, which in this embodiment is shown as a computer, could be any number of other video sources producing a wide variety of types of video signals...

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Abstract

Method of evaluating degradation of electrical signals is disclosed. The method involves visually comparing a visual representation of a reference signal generated by a test signal source, which can be made identical to an original signal, and a degraded signal generated by another test signal source after passing through a video system.

Description

REFERENCE TO THE RELATED APPLICATION1. This application is filed under 37 CFR 1.53(b) and is a continuation application of the prior application Ser. No. 08 / 892,347. No new matter has been added to this application. Claims 1 through 4 are identical to the claims 1 through 4 in the application Ser. No. 08 / 892,347, with the exception of the following amendments:2. 1. In claim 1, step (d), the word "substantially" before the word "identical" is deleted.3. 2. In claim 1, the word "for" in the phrase "method for evaluation" is deleted and the word "of" is added in its place.4. 3. In claim 2, the word "for" in the phrase "method for evaluation" is deleted and the word "of" is added in its place.5. 4. In claim 3, the word "for" in the phrase "method for evaluation" is deleted and the word "of" is added in its place.6. 5. In claim 4, the word "for" in the phrase "method for evaluation" is deleted and the word "of" is added in its place.7. The present invention is in the field of computer vi...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04N17/00
CPCH04N17/00
Inventor GERSHFELD, JACK
Owner GERSHFELD JACK