Signal Converting Circuit for Single Antenna Wireless Communication

Solution Overview

Problem

Electronic devices face challenges in optimizing the disposition of multiple antennas in a limited mounting area while supporting various communication schemes, leading to increased manufacturing costs.

Innovation Solution

An electronic device with a signal converting circuit and a processor that controls switches to convert direct current signals from a battery to alternate current signals for a single antenna, enabling support for multiple communication schemes by alternating switch states according to selected communication schemes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple antennas are used to support different communication schemes, then communication versatility is improved, but device complexity and manufacturing cost increase

Engineering Contradiction:

Improvecommunication scheme supportVSAvoidantenna disposition

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a universal antenna system where a single antenna structure supports multiple communication schemes including wireless charging, NFC, and magnetic secure transmission. The antenna is designed with multi-functional capabilities to operate across different frequency ranges and communication protocols, eliminating the need for separate dedicated antennas for each communication type.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines multiple communication functions into a single antenna structure. By merging wireless charging, NFC, and MST capabilities into one antenna system, the device reduces component count and simplifies the overall antenna disposition while maintaining support for diverse communication schemes.

Inventive Principle:

Principle #5Merging (Combining)

2Adaptability or versatility

If multiple antennas are used to support different communication schemes, then communication versatility is improved, but manufacturing cost increases

Engineering Contradiction:

Improvecommunication scheme supportVSAvoidmanufacturing cost

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent implements a universal antenna system where a single antenna structure supports multiple communication schemes including wireless charging, NFC, and magnetic secure transmission. The antenna is designed with multi-functional capabilities to operate across different frequency ranges and communication protocols, eliminating the need for separate dedicated antennas for each communication type.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines multiple communication functions into a single antenna structure. By merging wireless charging, NFC, and MST capabilities into one antenna system, the device reduces component count and simplifies the overall antenna disposition while maintaining support for diverse communication schemes.

Inventive Principle:

Principle #5Merging (Combining)

3Adaptability or versatility

If multiple antennas are used to support different communication schemes, then communication versatility is improved, but mounting area increases

Engineering Contradiction:

Improvecommunication scheme supportVSAvoidmounting area

Core Design Contradiction:

Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The patent implements a universal antenna structure that performs multiple communication functions within a single physical footprint. The antenna is designed to support wireless charging, NFC, and MST operations simultaneously or independently, maximizing space utilization in the device housing.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines multiple communication functions into a single antenna structure. By merging wireless charging, NFC, and MST capabilities into one antenna system, the device reduces component count and simplifies the overall antenna disposition while maintaining support for diverse communication schemes.

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

This solution allows for the reduction of mounting area and manufacturing costs by enabling multiple communication schemes using a single antenna, enhancing the device's communication capabilities.

Implementation Method 1

converting and providing to the antenna, a direct current signal outputted from the battery to an alternate current signal

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentUS11424527B2Electronic device and method for performing wireless communication with external electronic device

Publication Date: 2022.08.23 SAMSUNG ELECTRONICS CO LTD

AI summary

An electronic device including: a battery; a signal converting circuit connected to the battery including first, second, third, and fourth switches of a bridge structure; a processor connected to the signal converting circuit; and an antenna connected to the signal converting circuit. The signal converting circuit is configured to: receive from the processor an input which selects a first communication scheme based on the received input while converting and providing to the antenna a direct current signal output from the battery to an alternate current signal; control the first and fourth switches to alternate in a high state and a low state; control the second and third switches in a different state which is different from the state of the first and fourth switches; and control two of the first, second, third, and fourth switches in the high state to alternate in an on state and an off state.