WiGig Wireless Video Transmitter Frequency Multiplication

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Solution Overview

Problem

Traditional wireless transmission systems are unable to efficiently transmit ultra high-definition video signals, leading to increased complexity and the need for multiple wires, which compromises the aesthetics and functionality of display devices.

Innovation Solution

A wireless video signal transmission system utilizing a frequency multiplication unit and a wireless transmitting unit, capable of processing and transmitting ultra high-definition video signals wirelessly using WiGig technology, eliminating the need for multiple wires and reducing device thickness.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Length of stationary object

If traditional wireless transmission systems are used, then device thickness can be reduced, but ultra high-definition video signal transmission capability is insufficient

Engineering Contradiction:
Improvedevice thicknessVSAvoidultra high-definition video signal transmission capability
Core Design Contradiction:
Length of stationary objectVSAdaptability or versatility

Solution Approach 1:

The patent applies parameter changes by implementing frequency multiplication to increase the refresh rate of video signals from 60Hz to 120Hz, and by up-converting signal frequencies to 60GHz for wireless transmission. These parameter changes enable ultra high-definition video signal transmission capability in the wireless system while maintaining thin device profile.

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If system board is built into display device, then ultra high-definition signal processing capability is improved, but device thickness increases

Engineering Contradiction:
Improveultra high-definition signal processing capabilityVSAvoiddevice thickness
Core Design Contradiction:
Adaptability or versatilityVSLength of stationary object

Solution Approach 1:

The patent extracts the system board from the display device and locates it externally. The display device only retains the wireless receiving unit, while the system board for ultra high-definition signal processing is placed outside the display device, connecting wirelessly. This extraction reduces device thickness while maintaining ultra high-definition signal processing capability through the external system board.

Inventive Principle:
Principle #2Taking out (Extraction)

3Speed

If frequency multiplication is implemented, then video signal refresh rate is improved, but signal processing complexity increases

Engineering Contradiction:
Improvevideo signal refresh rateVSAvoidsignal processing complexity
Core Design Contradiction:
SpeedVSDevice complexity

Solution Approach 1:

The patent merges the frequency multiplication function with the wireless transmitting unit by integrating the frequency multiplication unit directly into the transmission system. This integration allows the refresh rate enhancement and wireless transmission to work together in a unified architecture, reducing overall system complexity compared to separate implementations.

Inventive Principle:
Principle #5Merging (Combining)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables the transmission of ultra high-definition video signals without the need for multiple wires, reducing device thickness and complexity while ensuring high-definition display compatibility across various devices.

Implementation Method 1

the frequency multiplication unit is operable to implement the frequency multiplication of a video signal, so as to obtain a first signal

Methodology Applied
Scientific EffectFrequency multiplication:

Implementation Method 2

the first local oscillator is operable to produce an oscillation frequency signal, and to mix the oscillation frequency signal with the first intermediate signal in order to obtain a second intermediate signal

Methodology Applied
Scientific EffectFrequency mixing:

Implementation Method 3

the emitter is operable to up-convert the received third intermediate signal to a second signal, and to emit the second signal through the transmitting antenna

Methodology Applied
Scientific EffectUp-conversion:

Implementation Method 4

the frequency of the second signal is 60 GHz

Methodology Applied
Scientific EffectElectromagnetic radiation:

Data Source

PatentUS10230926B2Wireless video signal transmitter, receiver, transmission system and display system
Publication Date: 2019.03.12 BOE TECHNOLOGY GROUP CO LTD
  • US10230926B2 patent drawing

AI summary

The present invention provides a wireless video signal transmitter, a receiver, a transmission system and a display system, which relates to the technical field of WiGig wireless transmission. According to an embodiment of the present invention, the wireless video signal transmitter comprises a frequency multiplication unit and a wireless transmitting unit. The frequency multiplication unit is operable to implement the frequency multiplication of a video signal, so as to obtain a first signal and transmit the first signal to the wireless transmitting unit. The wireless transmitting unit is operable to process the first signal to obtain a second signal suitable for wireless transmission, and to transmit the signal wirelessly. The display system of the present invention may receive and process the ultra high-definition video signal processed and transmitted by the wireless video signal transmission system.