One-Handed Docking Holder With Magnetic Self-Centering

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Solution Overview

Problem

Existing docking solutions for portable electronic devices require multiple manipulations for secure fastening and careful plugging, lacking ease of one-handed operation and reliable contact establishment.

Innovation Solution

A holding device with tapered sliding surfaces, cams, pre-centering domes, magnetic elements, and spring-loaded contact pins that facilitate one-handed insertion and secure positioning, ensuring reliable contact through a combination of mechanical and magnetic locking mechanisms.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a quick-release fastener is used in the docking station, then the device can be quickly released, but multiple manipulations are still required to fasten it

Engineering Contradiction:
Improveease of fasteningVSAvoidtime for fastening operations
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The device automatically centers itself using gravity and the funnel-shaped guide surfaces, and the magnetic elements automatically attract and hold the device in place without requiring manual manipulation. The spring-loaded contact pins automatically establish electrical contact when the device is inserted.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The mechanical fastening system is replaced with magnetic attraction forces. The magnetic elements in the base plate attract the portable electronic device, providing secure holding without requiring mechanical latching or multiple manipulation steps.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If careful plugging is required to ensure reliable contact, then contact reliability is improved, but ease of operation deteriorates

Engineering Contradiction:
Improvecontact reliabilityVSAvoidease of insertion
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The guide surfaces and pre-centering domes are designed to automatically align and center the device during insertion before contact is made. This preliminary centering action ensures that the contact pins are properly positioned for reliable electrical connection without requiring careful manual insertion.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The device self-aligns and self-centers during insertion through the funnel-shaped guide surfaces and pre-centering domes, automatically ensuring proper contact alignment without requiring user skill or careful manipulation.

Inventive Principle:
Principle #25Self-service

3Stability of the object's composition

If multiple manipulations are required for secure fastening, then connection stability is improved, but device complexity increases

Engineering Contradiction:
Improveconnection stabilityVSAvoidcomplexity of fastening mechanism
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The complex mechanical fastening and alignment mechanisms are extracted and replaced with simple magnetic attraction and gravity-based self-centering. The magnetic elements provide secure holding, and the funnel-shaped guides provide alignment, eliminating the need for complex multi-step fastening procedures.

Inventive Principle:
Principle #2Taking out (Extraction)

4Reliability

If a magnetic locking mechanism is used, then secure positioning is achieved, but manufacturing precision requirements increase

Engineering Contradiction:
Improvepositioning reliabilityVSAvoidprecision of magnetic element placement
Core Design Contradiction:
ReliabilityVSManufacturing precision

Solution Approach 1:

The magnetic force parameters are optimized to provide sufficient attraction for secure positioning while being tolerant of normal manufacturing variations. The spring-loaded contact pins provide compliance that compensates for minor positioning deviations, maintaining reliable electrical contact without requiring extreme manufacturing precision.

Inventive Principle:
Principle #35Parameter changes

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 easy, one-handed operation and secure, reliable contact for portable electronic devices, ensuring stable data transmission and preventing accidental disconnection, with a robust locking mechanism that supports both mechanical and magnetic interactions.

Implementation Method 1

a magnetic element arranged in the rear wall (10), which interacts with a counter-magnetic element in the portable electronic device

Methodology Applied
Scientific EffectMagnetic interaction: Magnetism

Implementation Method 2

the device is positioned correctly by itself via the areas, sliding surfaces and restricted guiding surfaces arranged in the holding device and the gravity acting on the device

Methodology Applied
Scientific EffectGravity: Gravitation

Implementation Method 3

DE 695 28 940 T2 also discloses a holder for a radio telephone, the telephone being held in a latching element by means of spring force

Methodology Applied
Scientific EffectSpring force: Spring

Data Source

PatentEP3267283B1Holder apparatus for a portable electronic device
Publication Date: 2018.12.26 SIEMENS AG
  • EP3267283B1 patent drawingFigure 1
  • EP3267283B1 patent drawingFigure 2
  • EP3267283B1 patent drawingFigure 3~4

AI summary

The invention relates to a receiving device for a portable electronic device with a large capture area (F), wherein specially arranged sliding tracks (GB1,GB2), sliding surfaces (GF) and forced guidance surfaces (ZF) enable easy, safe and in particular one-handed insertion of the device.