Alarm Control Unit for Expected vs Unexpected Entry Response
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Solution Overview
Problem
Conventional alarm systems for homes and small businesses respond to different situations in a static manner, lacking the ability to differentiate between expected and unexpected entries, leading to inefficient user interactions and potential false alarms.
Innovation Solution
The integration of a reaction strategy module in the control unit that receives signals from intrusion detection devices, allowing for context-based reactions, such as varying response times, tones, and messages, to differentiate between expected and unexpected entries, and account for multiple entry points and additional sensors, enhancing user interaction and reducing false alarms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the alarm system uses a static response to all intrusion detection signals, then the system is simple to operate, but it cannot differentiate between expected and unexpected entries leading to false alarms
Solution Approach 1:
The control unit is pre-configured with expected entry points (e.g., front door, back door) that are marked in advance. When an intrusion detection device is triggered, the control unit checks whether the triggered device corresponds to a pre-marked expected entry point, enabling immediate differentiation between expected and unexpected entries without complex real-time analysis
Solution Approach 2:
Different response strategies are assigned to different intrusion detection devices based on their location and function. Entrance doors marked as expected entries receive a first response (e.g., welcome message, no alarm), while other devices marked as unexpected entries receive a second response (e.g., full alarm, notification to authorities), creating localized quality differences in system response
2Ease of operation
If the alarm system provides a single uniform response to all intrusions, then the system is easy to implement, but it creates inefficient user interactions and potential false alarms
Solution Approach 1:
The alarm system dynamically adjusts its response based on the context of the intrusion. Instead of a static uniform response, the system selects from multiple predefined response strategies depending on whether the intrusion occurred at an expected entry point or elsewhere, making the system adaptive to different situations
Solution Approach 2:
The system changes the parameters of its response (tone, message content, alarm intensity) based on the intrusion context. For expected entries, the response may be a gentle welcome message; for unexpected entries, the response includes full alarm activation and notification, optimizing user interaction for each scenario
Data Source
AI summary
Provided is a control unit for an alarm system for a home, the home having multiple points of entry, including at least one entrance door and at least one other possible point of entry to the home. The alarm system having a sound generating device, a user interface, a disarming interface and intrusion detection devices for possible points of entry to the home, the intrusion detection devices associated with the entrance door(s) being marked in the control unit as an expected entry and the all other intrusion detection devices each being marked as an unexpected entry. The control unit has a reaction strategy module to choose a context-based reaction, the reaction strategy module being arranged to receive signals from at least the disarming interface, the user interface and the intrusion detection devices. The control unit stores: an association between an expected entry status and a first intrusion detection device, the first intrusion detection device being associated with an entrance door of the building; an association between an unexpected entry status and one of the other intrusion detection devices; and for each of the intrusion detection devices an association with either an expected entry status or an unexpected entry status. The control unit is configured to react to a signal (A) received from an intrusion detection device for which there is stored an association with an expected entry status by providing a first response, and to react to a signal received from an intrusion detection device for which an association with an unexpected entry status is stored by providing a second response different from the first response.