Slave Display Manipulation via Master Terminal
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Solution Overview
Problem
Passengers in rear seats of vehicles face difficulty in manipulating audio and navigation devices, as they need to ask the driver or front passenger to control the master display device, and existing technologies do not provide easy manipulation options for rear seat passengers.
Innovation Solution
A unit manipulation system where a slave display device establishes data communication with a master display device, allowing the slave to call and display manipulation screens for units like navigation, AV, and communication functions, enabling passengers to perform manipulations through the master device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a slave display device is used to display content from the master display device, then the rear seat passenger can view content, but the rear seat passenger cannot manipulate the master display device or connected units
Solution Approach 1:
The patent creates a copied manipulation interface on the slave display device that mirrors the master display device's terminal function. The slave display device displays a manipulation screen that is a copy of the master's interface, allowing the rear seat passenger to perform manipulations that are transmitted to the master display device and connected units, thus enabling full manipulation capability without requiring physical access to the master device.
Solution Approach 2:
The slave display device acts as an intermediary between the rear seat passenger and the master display device/units. It receives manipulation inputs from the rear seat passenger, transmits these to the master display device, and relays the manipulation screens back to the slave display for display, thereby mediating the interaction and enabling remote manipulation capability.
2Ease of operation
If the master display device functions as an information terminal for manipulating units, then the driver and front passenger can control navigation, audio, and communication functions, but the rear seat passenger must ask the driver or front passenger to perform manipulations
Solution Approach 1:
The patent makes the slave display device universal by enabling it to perform multiple functions: displaying content from the master display device, providing a complete manipulation interface for connected units (navigation, audio, communication), and transmitting manipulations to the master display device. This multi-functionality allows any seated passenger to independently control all units, enhancing the system's adaptability to different user scenarios.
3Ease of operation
If a remote control terminal is provided to remotely control the master display device, then the rear seat passenger can send commands, but the rear seat passenger cannot view the manipulation screen of the master display device
Solution Approach 1:
The patent merges the display function and manipulation function into a single integrated interface on the slave display device. Instead of having separate remote control and display components, the slave display simultaneously displays the manipulation screen (copied from the master) and receives manipulation inputs, combining both functions that were previously separated in the remote control terminal design.
Data Source
AI summary
A unit manipulation system includes: a master display device having a terminal function for manipulating a unit; and a slave display device that establishes data communication with the master display device, and calls the terminal function of the master display device, to enable manipulation of the unit from a manipulation section through the master display device. The slave display device includes: a call menu display section that displays a call menu for calling the terminal function; and a manipulation screen display section that, when the call menu displayed by the call menu display section is selected, calls the terminal function of the master display device, and causes a display section to display a manipulation screen corresponding to the call menu. The master display device and the slave display device are coordinated with each other to enable the slave display device to perform various manipulations through the master display device.