Energy Harvesting Remote Controller Signal Storage and Transmission
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Solution Overview
Problem
Existing remote controllers using energy harvesting face challenges in improving functionality and convenience, particularly in efficiently converting button pressing energy into wireless signals while minimizing radio wave interference and enhancing security.
Innovation Solution
A remote controller equipped with an operation unit, power generating unit, signal generating unit, storage unit, and transmission control unit that stores and transmits wireless signals only when a predetermined condition is met, reducing unnecessary power consumption and radio wave interference, and incorporating reference information for enhanced security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the remote controller transmits wireless signals for every button operation, then the responsiveness and user experience are improved, but the radio wave interference increases and power is wasted
Solution Approach 1:
The remote controller stores the output signal content in a storage unit before transmission. When a button is pressed, the signal is generated and stored first, then transmitted later when power is available or conditions are met, rather than transmitting immediately for every operation.
Solution Approach 2:
The transmission control unit transmits wireless signals based on predetermined conditions rather than continuously or for every operation. This periodic transmission approach reduces radio wave interference while maintaining essential functionality.
2Speed
If the remote controller transmits wireless signals frequently, then the real-time control capability is improved, but the power consumption increases beyond what energy harvesting can sustain
Solution Approach 1:
The signal generating unit creates the output signal and the storage unit saves it locally before transmission occurs. This allows the system to prepare control commands in advance during low-power states, then transmit them later when energy is available.
Solution Approach 2:
The remote controller uses its own harvested energy to power the storage unit and control unit, creating a self-sustaining system where the energy harvested from button presses is used to store and transmit the signals generated by those same presses.
3Reliability
If the remote controller processes and transmits every button press immediately, then the operational accuracy is improved, but the device complexity increases
Solution Approach 1:
The remote controller is divided into distinct functional units: an operation unit for input, a signal generating unit for processing, a storage unit for saving signals, and a transmission control unit for managing transmissions. This segmentation allows each unit to perform its function independently and efficiently.
Solution Approach 2:
The storage unit acts as an intermediary between the signal generating unit and the transmission control unit. It buffers the output signals, allowing the transmission to be decoupled from the button press event, simplifying the overall control logic.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides an efficient remote control system that effectively utilizes energy harvesting to reduce radio wave interference and enhance security by storing and transmitting data only when necessary, improving the overall performance and functionality of remote controllers.
Implementation Method 1
a power generating unit that generates electric power by operation on the operation unit
Data Source
AI summary
A remote controller 101 includes: an operation unit 11; a power generating unit 12 that generates electric power by operation on the operation unit 11; a signal generating unit 13 that operates by using the electric power generated by the power generating unit 12 and is able to output a signal of a kind corresponding to the content of each operation on the operation unit 11; a storage unit 15 that operates by using the electric power generated by the power generating unit 12 and nonvolatilely stores the content of an output signal of the signal generating unit 13; and a transmission control unit 14 that operates by using the electric power generated by the power generating unit 12 and transmits a wireless signal including information corresponding to the content of the output signal stored in the storage unit 15 when the operation on the operation unit 11 satisfies a predetermined condition.