Error Display Screen Logic for Alarm Sound Stop and Resume
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Solution Overview
Problem
Existing display devices cannot stop alarm sounds when the buzzer cancel function is not enabled, disrupting service staff during inspections or repairs.
Innovation Solution
A display device with a control unit that allows for the manual stop of alarm sounds through a reception unit, transitioning to a second screen to manage error content and enabling the stop instruction, and returning to a first screen to resume alarm sound output if necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the buzzer cancel function is only enabled for specific error types, then the alarm sound provides necessary warnings for important errors, but the alarm sound cannot be stopped for other error types, disrupting service staff during inspections or repairs
Solution Approach 1:
The patent applies dynamics by making the reception unit's functionality adaptive based on the displayed screen. When the second screen (error detail screen) is displayed, the reception unit dynamically acquires the output stop instruction reception function. This allows the system to provide different levels of alarm control flexibility depending on the operational context, resolving the contradiction between maintaining reliable alarms for important errors and allowing flexible control when service staff need to work.
2Reliability
If the alarm sound is continuously output for all errors, then important errors are reliably notified, but service staff work is disrupted during inspections or repairs
Solution Approach 1:
The patent applies preliminary action by providing a clear pathway (second screen) that presents the output stop instruction option before the service staff would be significantly disturbed by continuous alarm sounds. The control unit prepares the reception unit to accept stop instructions as soon as the error detail screen is displayed, preventing the harmful disturbance from escalating while maintaining the reliability of error notification through the persistent display of error information.
Solution Approach 2:
The patent implements periodic action through the conditional activation of the output stop instruction reception function. The reception unit alternates between accepting and not accepting stop instructions based on which screen is displayed. When the first screen is displayed, stop instructions are not accepted (maintaining alarm reliability). When the second screen is displayed, stop instructions can be accepted (reducing disturbance). This periodic switching resolves the contradiction between reliable notification and minimizing disturbance.
3Ease of operation
If a second screen showing error content is introduced, then service staff can access error information to stop alarms appropriately, but the device complexity increases
Solution Approach 1:
The patent applies universality by designing the second screen to serve multiple functions simultaneously: it displays detailed error information for service staff reference, and it activates the reception unit's output stop instruction reception function. This multi-functionality justifies the added structural complexity, as the second screen is not merely an additional display but a control-enabling interface that provides both information and operational capability.
Data Source
AI summary
A display device includes a display unit; a control unit; an alarm sound output unit; and a reception unit. When the display unit displays a second screen, the control unit assigns, to the reception unit, a function of receiving an output stop instruction that indicates an instruction to stop the output of an alarm sound, and a function of receiving a second instruction that indicates an instruction to transition to a first screen. When the reception unit receives the output stop instruction, the control unit stops the output of the alarm sound. When the reception unit receives the second instruction after having received the output stop instruction, the control unit causes the display unit to display the first screen and causes the alarm sound output unit to output the alarm sound.