High-Frequency Pulse Skin Care Device with Adjustable Duty Cycle
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Solution Overview
Problem
Conventional high-frequency skin care devices lack the ability to adjust pulse types and energy delivery based on skin care purposes and skin conditions, leading to inadequate energy application, excessive coagulation, and potential skin damage.
Innovation Solution
A method and device that allow users to control the cycle and energy of high-frequency pulses, with adjustable On and Off times, frequency, and energy levels, ensuring safer and more effective delivery of high-frequency energy to the skin by automatically setting Off time longer than On time when the number of pulses increases.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional devices apply only preset types of pulses to the skin, then the device operation is simple, but the adaptability to different skin care purposes and skin conditions is poor
Solution Approach 1:
The device enables dynamic adjustment of pulse parameters including pulse width, interval, frequency, and energy levels. Users can modify these parameters in real-time based on specific skin care needs and skin conditions, transforming a static preset system into a dynamic adaptable system that responds to varying treatment requirements
Solution Approach 2:
The invention implements multiple adjustable parameters including pulse width (duration of pulse application), pulse interval (time between pulses), frequency (pulses per second), and energy levels. By allowing independent adjustment of these parameters, the device achieves versatility across different skin care applications without requiring complex reconfiguration
2Manufacturing precision
If conventional devices repeat preset pulses for user-selected number of times, then the device operation is simple, but the manufacturing precision of energy delivery is insufficient
Solution Approach 1:
The system dynamically adjusts pulse characteristics during treatment based on real-time parameters. Rather than simply repeating identical pulses, the device modifies pulse width, interval, and energy levels during the treatment sequence to achieve precise energy delivery tailored to specific treatment goals and skin responses
Solution Approach 2:
The invention employs periodic pulse delivery with variable characteristics. Each pulse cycle can have different widths, intervals, and energies, allowing precise control over total energy delivery while maintaining a rhythmic treatment pattern that is both effective and controllable
3Productivity
If conventional devices increase total RF time by repeating pulses more times, then the productivity of treatment is improved, but the harmful factors to skin increase due to excessive coagulation
Solution Approach 1:
The device uses periodic pulse delivery with controlled duty cycles, alternating between active pulse application and rest intervals. This periodic action allows cumulative therapeutic effect while preventing excessive heat buildup and tissue coagulation that would occur with continuous exposure
Solution Approach 2:
The system applies high-frequency pulses in controlled partial doses rather than continuous full exposure. By delivering energy in segmented pulses with appropriate intervals, the device achieves sufficient treatment effect while staying below thresholds that cause harmful coagulation and tissue damage
4Productivity
If conventional devices apply high-frequency pulses for prolonged periods, then the productivity of treatment is improved, but the object-generated harmful factors increase causing patient pain and skin fatigue
Solution Approach 1:
The treatment protocol employs periodic pulsing with built-in rest intervals between pulse sequences. This periodic structure allows tissue recovery during off-periods, preventing cumulative fatigue and pain while maintaining effective treatment duration through repeated cycles
Solution Approach 2:
The device incorporates preliminary assessment and gradual progression of treatment intensity. Before applying full treatment sequences, the system prepares by assessing skin response and gradually increasing energy levels, preventing premature pain and fatigue while setting up for productive treatment
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
This approach enhances skin care by preventing excessive coagulation, reducing skin fatigue and pain, and improving cosmetic outcomes, including hair removal, while ensuring safe and even energy distribution across the skin layers.
Implementation Method 1
a type of pulses to be applied is set in advance and only the preset type of pulses are applied. Accordingly, an adjustment of a pulse type based on the purpose of skin care or skin treatment as well as the conditions of a user's skin is not possible at all.
Data Source
AI summary
The present disclosure relates to a skin care method based on high-frequency pulses application, comprising: generating high frequency pulses and applying the high-frequency pulses to the skin, wherein said generating and applying the high-frequency pulses includes outputting high frequency (RF) for a certain period of time to the skin, the high frequency (RF) output for the certain period of time has a selected number of pulses in the range of 1 to N, when the selected number of pulses is any one of 2 to N, each pulse has On time and Off time, the On time is a time period when pulse waveform is output, and the Off time is a time period when no pulse waveform is output, and the On time and the Off time are alternately repeated based on the number of pulses during the certain period of time for outputting high frequency (RF).