Waveguide Signal Transmission Device for High-Speed Data Transfer

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Solution Overview

Problem

Signal transmission between electronic devices using electric wirings faces limitations in speed and capacity, leading to increased power consumption, signal distortion, and electromagnetic interference, and requires complex configurations and larger semiconductor chips.

Innovation Solution

Implementing a wireless signal transmission method using waveguides that face each other, converting signals into radio waves for transmission, which allows for high-speed and high-capacity signal transfer without the need for extensive wiring, thereby reducing electromagnetic interference and simplifying device configuration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If electric wirings are used for signal transmission, then signal transmission can be achieved, but transmission speed and transmission capacity reach their limit

Engineering Contradiction:

Improvetransmission speedVSAvoidwiring complexity

Core Design Contradiction:

SpeedVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical wiring system with an optical signal transmission system. Optical signals are transmitted through optical coupling between a light-emitting element in the card-type device and a light-receiving element in the main device, eliminating the need for complex electrical wiring while achieving higher transmission speeds and capacities.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the transmission medium from electrical signals to optical signals. This parameter change enables significantly higher transmission speeds and capacities while reducing the number of transmission lines required, thereby simplifying the overall device configuration.

Inventive Principle:

Principle #35Parameter changes

2Productivity

If the number of wirings is increased to achieve signal parallelization, then transmission speed can be improved, but the configuration becomes more complicated and semiconductor chip size increases

Engineering Contradiction:

Improvetransmission capacityVSAvoidconfiguration complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The patent substitutes the mechanical wiring system with an optical transmission system. A single optical coupling interface can transmit multiple signals simultaneously through optical fibers or free-space optical paths, achieving high transmission capacity without increasing the number of physical connection points or complicating the device configuration.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Speed

If electric wirings are used for high-speed data transmission, then signal transmission can be achieved, but electromagnetic field interference becomes a noticeable problem

Engineering Contradiction:

Improvedata transmission speedVSAvoidelectromagnetic field interference

Core Design Contradiction:

SpeedVSObject-generated harmful factors

Solution Approach 1:

The patent replaces electrical signal transmission with optical signal transmission. Optical signals do not generate electromagnetic fields and are immune to electromagnetic interference, thereby eliminating this harmful effect while maintaining high data transmission speeds.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

4Device complexity

If terminals are made bare in the card-type device to simplify configuration, then device complexity is reduced, but electrostatic breakdown becomes a problem

Engineering Contradiction:

Improveterminal configurationVSAvoidelectrostatic protection

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The patent replaces electrical terminals with optical coupling elements. The light-emitting element in the card-type device and the light-receiving element in the main device do not require exposed conductive terminals, thereby simplifying the configuration while eliminating the risk of electrostatic breakdown associated with bare terminals.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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

This approach enables stable and efficient signal transmission with higher reliability and reduced power consumption, addressing the limitations of electric wiring methods while simplifying device design and reducing electromagnetic interference.

Implementation Method 1

a transmitting device that transmits a transmission subject signal through a first waveguide as a wireless signal; and a receiving device that receives the wireless signal of the transmission subject signal transmitted from the transmitting device through a second waveguide

Methodology Applied

Scientific EffectElectromagnetic wave propagation: Electromagnetic Induction

Data Source

PatentUS8947180B2Signal transmission device, electronic device, and signal transmission method

Publication Date: 2015.02.03 SONY SEMICON SOLUTIONS CORP

AI summary

A signal transmission device includes: a transmitting device that transmits a transmission subject signal through a first waveguide as a wireless signal; and a receiving device that receives the wireless signal of the transmission subject signal transmitted from the transmitting device through a second waveguide, wherein the wireless signal is transmitted between the transmitting device and the receiving device in a state where the first waveguide faces the second waveguide.