Laser Marker Wireless Activation for Automatic Beam Tracking

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Solution Overview

Problem

The automatic tracking function of existing laser markers requires the user to physically approach a remote controller for activation, decreasing work efficiency.

Innovation Solution

A laser marker system that allows activation of the automatic tracking function via a portable terminal device, enabling remote control through wireless communication, thereby eliminating the need for physical proximity to a separate beam receiving device.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the automatic tracking function is activated via a remote controller requiring physical proximity, then the beam receiving device can receive the laser beam for tracking, but the user must go closer to the remote controller which decreases work efficiency

Engineering Contradiction:

Improveease of activationVSAvoidwork efficiency

Core Design Contradiction:

Ease of operationVSProductivity

Solution Approach 1:

The patent introduces a portable terminal device as an intermediary between the user and the laser marker system. The terminal device wirelessly transmits activation commands to start automatic tracking, eliminating the need for the user to physically approach the beam receiving device. This mediator enables remote operation while maintaining system functionality.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces the mechanical/physical interaction system (requiring user proximity to press buttons on the remote controller) with a wireless communication system. The portable terminal device uses wireless communication protocols to transmit commands, substituting physical presence with electromagnetic signal transmission.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If the user must physically approach the beam receiving device to activate automatic tracking, then the system can be operated, but the process becomes more time-consuming and less efficient

Engineering Contradiction:

Improvesystem operationVSAvoidactivation time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The user can prepare the portable terminal device with the necessary application or interface before approaching the work area. The wireless connection can be established in advance, and the automatic tracking function can be activated with a simple tap or button press on the terminal device, eliminating the time required to physically move to and operate the remote controller.

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS12449254B2Laser marker and portable terminal device

Publication Date: 2025.10.21 MAKITA CORP

AI summary

A laser marker in one aspect of the present disclosure includes a support body, a rotation body, a motor, a laser beam emitter, a device communicator, and a motor control circuit. The device communicator performs a wireless communication with a portable terminal device and with a beam receiving device. The portable terminal device transmits a rotation start command signal. The beam receiving device generates and transmits a bean receiving position signal. The motor control circuit starts controlling a rotation of the motor based on the beam receiving position signal in response to the device communicator receiving or having received the rotation start command signal.