24-Hour Timer ASICs With Shift-Register Memory for Power Switching
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Solution Overview
Problem
Existing power switching devices are complex and difficult to use, requiring programming, microprocessors, and multiple components, with errors often going unnoticed until they cause undesired operations, and they need reprogramming after power outages or changes.
Innovation Solution
The development of Applications Specific Integrated Circuits (ASICs) that provide a fully integrated solution for memory-oriented timer switch applications, eliminating the need for programming and microprocessors, using shift registers to record and repeat 24-hour switch activities, and requiring only a few external components like resistors, capacitors, and high-voltage transistors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If microprocessors and complex programming are used in power switching devices, then functionality and control capabilities are improved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The patent extracts and removes the microprocessor and complex programming components from the power switching device, replacing them with a simpler integrated circuit that uses pre-programmed logic and shift registers to achieve the desired timing and control functions without requiring microprocessors
Solution Approach 2:
The integrated circuit is designed to be self-configuring, automatically detecting and adapting to the connected load type (incandescent, CFL, LED, motor, transformer) without requiring user programming or complex setup procedures, thereby simplifying operation while maintaining versatility
2Adaptability or versatility
If microprocessors and programming are used in power switching devices, then control capabilities are improved, but ease of operation deteriorates
Solution Approach 1:
The device automatically detects the load type and configures its operation without user intervention, eliminating the need for programming while maintaining advanced control capabilities through pre-programmed logic that adapts to different application scenarios
Solution Approach 2:
The control logic and timing sequences are pre-programmed into the integrated circuit during manufacturing, allowing the device to immediately provide sophisticated control functions without requiring users to perform complex programming or configuration steps
3Adaptability or versatility
If multiple components are used in power switching devices, then functionality is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The patent merges multiple discrete components (timers, memory elements, control logic, load detection circuits) into a single integrated circuit, reducing component count and assembly complexity while maintaining comprehensive functionality for various power switching applications
Solution Approach 2:
The integrated circuit is designed as a universal controller that can handle multiple load types and control scenarios through pre-programmed logic, eliminating the need for separate specialized components for different applications and simplifying the overall bill of materials
Data Source
AI summary
Eight Applications Specific Integrated Circuits (ASICs) for use in stand-alone end products and other devices requiring a 24 hour memory. They have a real-time clock as well as memory that stores On and Off Switch closures with the ability to repeat them. They also have power management to allow them to operate by receiving their power through the load they are switching. They also have LED drivers to indicate the function being performed. They can store a resolution of two minute or one minute intervals of On and Off Switch closures per 24 hour period depending upon the amount memory integrated into the ASIC. Only a few external components are required to create end products and/or utilize these ASICs in another product.