With the popularity of AI models like ChatGPT and DeepSeek, AI is profoundly changing people's work and lifestyle. Some brands have innovatively integrated AI models into recording products, launching portable and powerful AI voice recorder cards—some flagship models are only 3.0mm thick. In the design of AI voice recorder cards, micro vibration motors play a key role in providing haptic feedback. Through different vibration patterns, they effectively enhance the device's usability and reliability in various scenarios, mainly offering two core functions:
1) Silent Operation Feedback
In quiet environments such as meetings, interviews, or classrooms, sound prompts can be distracting. Vibration motors replace sound prompts with haptic feedback, solving this problem. This concealment is particularly important in scenarios such as call recording, where it helps avoid unnecessary attention from device alert sounds.
(2) Key Status Feedback
During long recording sessions, users' attention often drifts away from the recording hardware, making it hard to monitor the device status continuously. Vibration motors serve as an effective alert, enabling status confirmation through tactile feedback:
1. When the user presses the record/pause/stop button, the device immediately confirms with different vibration patterns (one short vibration, two short vibrations, or a long vibration) to ensure successful operation.
2. Low battery warning: When the battery is low, the recorder card emits regular intermittent vibrations, which are more perceptible than visual prompts, reminding users to handle it promptly.
3. Storage space alert: When the memory is nearly full, continuous vibration warns users, effectively preventing recording interruptions.
4. Marking key points during recording: The device's vibration feedback confirms successful marking, improving the efficiency of subsequent content organization.
Advantages of LEADER’s 0720 Vibration Motors
For high-frequency productivity tools like AI voice recorder cards, the performance and reliability of micro vibration motors directly affect user experience and product quality positioning. After in-depth market research, the Leader team recognized that motors for AI voice recorder card scenarios need to achieve the optimal balance between small size, precise touch, and low noise performance. The Leader 0720 motor provides a highly optimized solution based on this demand, with three core advantages:
(1) Extremely Compact, Seamlessly Integrating into Compact Designs.
The portability of AI voice recorder cards requires their bodies to be lightweight—some models are only 3.0mm thick, which directly limits the available space for internal components. The Leader LCM0720 motor is extremely compact: with a diameter of only 7mm, a thickness of 2.1mm (including the thickness of the special mute cotton), and an overall weight of about 0.35g. This ultra-compact structure allows it to be easily embedded in the remaining space on the recorder card's motherboard or cleverly placed in the gap between the battery and the shell, occupying almost no additional volume. For users, this integration means the motor operates "invisibly," not adding any burden to holding the device or affecting usage flexibility, physically ensuring the product's lightweight experience. A vibration lifespan of 100,000 cycles guarantees worry-free long-term use of the recorder card.
(2) Soft and Clear Vibration, Enabling Precise Human-Machine Interaction
As a core component of interactive feedback, the motor's vibration characteristics directly relate to user experience. The vibration feedback of the Leader 0720 motor has been professionally calibrated, achieving a balance between "noticeable" and "soft." Its vibration is clear enough to ensure users can clearly perceive key information (such as recording start, stop, or low battery warnings) when the device is in a pocket or palm. At the same time, it starts and stops quickly with moderate intensity, avoiding harsh and strong "impact feelings" and effectively preventing distraction or discomfort caused by excessive vibration. This gentle yet definite tactile language is especially suitable for silent and reliable status communication in focused environments like meetings and classrooms.
(3) Quiet Operation, Safeguarding Core Recording Quality
Noise control is crucial for AI voice recorder card design. The Leader 0720 motor adopts a deeply optimized low-noise operation design, with multiple inspections during the manufacturing process and full noise testing before shipment to ensure pure sound from the source. It uses high-precision mute bearings and is filled with special long-lasting lubricating oil, significantly reducing internal mechanical friction noise during operation. The measured noise is below 50dB (similar to the soft rustle of drizzle on leaves). This design ensures that even in extremely quiet indoor environments, the faint sound from the motor's operation barely disturbs users. More importantly, it avoids the risk of the motor's vibration being transmitted to the body or its operating noise being picked up by the built-in high-sensitivity microphone—thus contaminating the main recording content—safeguarding the recorder card's core recording quality.
|
Model |
LCM0720 |
|
Motor Type |
ERM |
|
Size (mm) |
Φ7*T2.1 |
|
Vibration Direction |
X.Y |
|
Vibration Force (Peak模式/G) |
0.50G min（Peak）：60g Jig |
|
Voltage Range (V) |
2.7-3.3 |
|
Rated Voltage (DC) |
3.0 |
|
Current (mA) |
≤80 |
|
Speed (RPM) |
13500±3500 |
|
Service Life |
2sec ON, 1sec OFF，100,000 Cycle |
Leader Micro Electronics (Huizhou) Co., Ltd., founded in 2007, specializes in the R&D and production of micro vibration motors and was rated as a High-Tech Enterprise in 2018. The company mainly produces high-performance motors such as coin vibration motors, LRA motors, and brushless motors. LEADER can customize professional vibration feedback solutions for consumer electronics scenarios. For details, please contact the Leader sales team!
