Cross-Device Capability Invocation for Image-Based User Operations

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Solution Overview

Problem

Existing inter-device linkage technologies are limited to interface integration and file transfer, making user operations on single devices inconvenient due to limited capabilities.

Innovation Solution

A method for invoking the capability of another device, enabling a first electronic device to detect user operations, request and process image information from a second electronic device using specific functions, and display or send processing results for enhanced cross-device use experience.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If existing inter-device linkage technologies are used for interface integration and file transfer, then device connectivity is established, but user operations remain inconvenient due to limited single-device capabilities

Engineering Contradiction:
Improvedevice capabilityVSAvoiduser operation convenience
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent enables a device to perform multiple functions by invoking capabilities from another device. The first electronic device can not only perform its native functions but also access and execute functions from the second device (such as translation, object recognition, etc.), making the system universally applicable for diverse tasks without requiring each device to have all capabilities locally.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system introduces an inter-device capability invocation mechanism as an intermediary. When the first device encounters a task beyond its capabilities, it automatically requests and invokes the appropriate capability from the second device, which then processes the task and returns results. This mediator approach allows seamless access to remote capabilities without requiring the user to manually configure or transfer files between devices.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If device capabilities are extended through inter-device linkage, then function sharing is enriched, but system complexity increases

Engineering Contradiction:
Improvefunction sharing capabilityVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system implements self-service through automatic capability matching and invocation. When a task is detected that exceeds the first device's capabilities, the system automatically identifies the required capability type, selects the appropriate second device, and invokes the needed function without requiring user configuration or system complexity management. The capability invocation framework handles device selection, capability matching, and result integration autonomously.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent segments device capabilities into distinct, invokable units. Instead of requiring full integration of another device's entire functionality, the system divides capabilities into discrete functions (translation, object recognition, etc.) that can be independently invoked as needed. This segmentation allows the first device to access only the specific capabilities required for each task, reducing the overall system complexity while maintaining rich function sharing.

Inventive Principle:
Principle #1Segmentation

3Ease of operation

If automatic capability invocation is implemented, then user operation simplicity is maintained, but processing time may increase due to inter-device communication

Engineering Contradiction:
Improveuser operation simplicityVSAvoidprocessing time
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The system performs preliminary actions by pre-establishing capability availability information between devices. The second device's capabilities are registered and made known to the first device in advance, so when a task requires external capability, the matching and invocation can occur immediately without time-consuming device discovery or capability negotiation. This preliminary setup maintains user operation simplicity while minimizing processing time delays.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS12517693B2Method for invoking capability of another device, electronic device, and system
Publication Date: 2026.01.06 HUAWEI TECH CO LTD
  • US12517693B2 patent drawing
  • US12517693B2 patent drawing
  • US12517693B2 patent drawing

AI summary

Example methods and apparatus for invoking a capability of a device are described. One example system comprises a first electronic device and a second electronic device, and the first electronic device has a first function. In one example method, the first electronic device detects a first operations of a use, and sends request information to the second electronic device in response to the first operation, wherein the request information is used to request first image information on the second electronic device. The second electronic device sends the first image information to the second electronic device in response to the request information. The first electronic device processes the first image information by using the first function.