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NVIDIA : Patent Issued for Eyewear Device for Transmitting Signal and Communication Method (USPTO 9829715)

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12/07/2017 | 06:29pm CET

By a News Reporter-Staff News Editor at Investment Weekly News -- A patent by the inventors Lin, Chih-Jung (New Taipei, TW); Liao, Yueh-Lin (Taipei, TW), filed on January 23, 2012, was published online on November 28, 2017, according to news reporting originating from Alexandria, Virginia, by VerticalNews correspondents.

Patent number 9829715 is assigned to NVIDIA Corporation (Santa Clara, CA).

The following quote was obtained by the news editors from the background information supplied by the inventors: "Field of the Invention

"The present invention relates to eyewear devices and communication methods thereof, and more particularly, to an eyewear device for receiving and transmitting a signal and a communication method thereof.

"Description of the Prior Art

"Due to the prevalence of 3D image processing technology and 3D displaying devices, consumers nowadays have an ever-increasing chance of watching 3D images. In general, a 3D image playing system presently in wide use comprises a liquid crystal display (LCD) and an eyewear device. There are two types of eyewear devices, namely 'passive eyewear devices' and 'active eyewear devices'.

"The operating principle of the 'passive eyewear device' requires: coating the liquid crystal display (LCD) with a 'micro retarder' (or known as a micro polarizer), wherein the 'micro retarder' shifts odd and even horizontal lines (that is, R, L horizontal lines) on a display screen by specific angles (such as 45.degree. and 135.degree.) in a top-to-bottom direction, respectively; and displaying a 3D image in a 'row-interlaced format' on the liquid crystal display (LCD). Hence, a user wearing the 'passive eyewear device' (that is, polarizer eyeglasses) watches the 3D image presented in a perspective manner, as the user's left and right eyes can see different images, respectively.

"The operating principle of the 'active eyewear device' requires: displaying alternately images provided to a user's left and right eyes on the liquid crystal display (LCD) by means of time sharing; controlling a left-eye shutter and a right-eye shutter of the 'active eyewear device' to 'shut' and 'open' by a synchronization signal; shutting the right eye shutter when the display shows the left eye's image; and shutting the left-eye shutter when the display shows the right eye's image. Hence, the left eye's image and the right eye's image are alternately displayed at a speed higher than that of human beings' persistence of vision, such that perspective vision occurs to the brain. For details of 'active eyewear devices', please make reference to products of NVIDIA Corporation, such as 3D Vision.TM. Wireless Glasses Kit or 3D Vision.TM. Pro, and visit the Website http://www.nvidia.com/object/3d-vision-main.html

"However, the conventional 'active eyewear device' requires receiving a synchronization signal whereby the left-eye shutter and the right-eye shutter are controlled to 'shut' and 'open'. The prior art teaches installing a signal transmitting device in the vicinity of the liquid crystal display (LCD), in the vicinity of the screen in a cinema, or somewhere close to the 'active eyewear device', such that the signal transmitting device transmits the synchronization signal. Nonetheless, in the situation where the venue of display is extremely spacious, the 'active eyewear device' positioned far away from the signal transmitting device may be ineffective in receiving the synchronization signal or may fail to receive the synchronization signal.

"Accordingly, it is imperative to put forth a novel eyewear device and a communication method thereof for overcoming distance-related limitations and receiving a signal efficiently:"

In addition to the background information obtained for this patent, VerticalNews journalists also obtained the inventors' summary information for this patent: "The present invention in an aspect puts forth an eyewear device capable of overcoming distance-related limitations, and more particularly, an 'active 3D eyewear device' capable of overcoming distance-related limitations.

"The present invention in another aspect puts forth an eyewear device for transmitting a signal and a communication method thereof, and more particularly, an 'active 3D eyewear device' capable of transmitting a signal.

"The present invention in an embodiment puts forth an eyewear device (such as an 'active 3D eyewear device') for transmitting a signal, comprising:

"a receiving unit for receiving an external signal;

"a shutter electrically connected to the receiving unit for performing an operation in response to the external signal; and

"a transmitting unit electrically connected to the receiving unit for transmitting the external signal to another eyewear device.

"The present invention in an embodiment puts forth a communication method for transmitting a signal with an eyewear device, the eyewear device having a receiving unit, a shutter, and a transmitting unit, the communication method comprising the steps of:

"(a) receiving an external signal by the receiving unit;

"(b) performing an operation by the shutter in response to the external signal; and

"© transmitting the external signal to another eyewear device by the transmitting unit.

"In an embodiment of the present invention, a communication method for transmitting a signal between a plurality of eyewear devices is provided, wherein the eyewear devices each comprise a receiving unit, a shutter, and a transmitting unit, the communication method comprising the steps of:

"receiving an external signal by the receiving unit of the first eyewear device;

"performing an operation by the shutter of the first eyewear device in response to the external signal;

"transmitting the external signal to the second eyewear device by the transmitting unit of the first eyewear device;

"receiving the external signal by the receiving unit of the second eyewear device;

"performing an operation by the shutter of the second eyewear device in response to the external signal; and

"transmitting the external signal to the third eyewear device by the transmitting unit of the second eyewear device.

"Although this specification describes the present invention in terms of features, advantages, and their similar expressions, it does not mean that all the features and advantages to be implemented by the present invention are supposed to be described in any single specific embodiment of the present invention. By contrast, it is understandable that expression of related features and advantages is premised on the fact that a combination of specific features, advantages, or characteristics described in detailed embodiments is disclosed in at least one specific embodiment of the present invention. Hence, the description of features, advantages, and their similar expressions in this specification is related to an identical specific embodiment, but not necessarily so.

"One can further understand the features and advantages of the present invention by making reference to the description below and the appended claims or making reference to the embodiments described hereunder with regard to the present invention."

URL and more information on this patent, see: Lin, Chih-Jung; Liao, Yueh-Lin. Eyewear Device for Transmitting Signal and Communication Method. U.S. Patent Number 9829715, filed January 23, 2012, and published online on November 28, 2017. Patent URL: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=9829715.PN.&OS=PN/9829715RS=PN/9829715

Keywords for this news article include: NVIDIA Corporation, Technology Companies, Semiconductor - Specialized Companies.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2017, NewsRx LLC

(c) 2017 NewsRx LLC, source Business Newsletters

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