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An optical PCB keyboard is a keyboard that uses optical technology for key detection. A light sensor and a light source are installed under each key of this keyboard. When the key is pressed, the light signal is interrupted or changed, thereby triggering the signal of the key. This technology is different from traditional mechanical or capacitive keyboards. Optical PCB keyboards are gradually gaining popularity in the market, especially in the field of high-end gaming keyboards and professional keyboards.
Optical PCB keyboards mainly include the following types:
1. Optical mechanical keyboards: Optical mechanical keyboards combine the advantages of mechanical keyboards and optical technology, and are often referred to as "optical axis mechanical keyboards". These keyboards use optical switches instead of traditional mechanical switches.
2. Gaming keyboards: Many gaming keyboards use optical switch technology to provide fast response and high durability, suitable for high-intensity gaming use.
3. Professional keyboards: Some keyboards in professional fields also use optical switch technology to improve work efficiency and reduce false triggers.
4. Custom keyboards: Many keyboard enthusiasts and DIY communities also like to use optical switches to make custom keyboards, which are usually highly customizable.
Several main features of optical PCB keyboards:
1. Higher durability: Since there are no physical contact points, optical switches can reduce wear and extend the life of the keyboard.
2. Faster response time: The transmission speed of optical signals is very fast, which can provide almost instant key response, suitable for applications that require fast response such as games.
3. Higher accuracy: Optical sensors can detect key status more accurately and reduce the possibility of false triggering.
4. Dustproof and waterproof: Since there are no mechanical contacts, optical keyboards are easier to design to achieve dustproof and waterproof functions, and adapt to the use of more harsh environments.
5. Diverse switch feel: Optical switches can achieve different key feel by adjusting the design of light beams and sensors to meet the diverse needs of users.
Optical switch keyboards are often referred to as a type of optical PCB keyboard. This type of keyboard uses optical switches (also called optical axis switches) to detect the pressing and releasing of keys. Optical axis keyboard refers to a keyboard that uses optical technology to achieve key detection and signal transmission.
Optical axis keyboard is a new type of keyboard in recent years. It is based on the traditional mechanical key axis technology and adds a new optical sensing recognition technology. By replacing the traditional contact paddle with an optical sensing component, some problems of the traditional contact mechanical switch are improved. "Optical axis" technology uses infrared optical sensing, and there is no contact point and no wear when it is turned on. At the same time, the optical mechanical signal is an optical pulse, and the output waveform is clean and noise-free, completely eliminating the contact jitter problem. Clicking the key can respond within 1ms.
Features of optical axis keyboard:
1. Using infrared optical sensing, there is no contact point and no wear when it is turned on. No matter how high the click frequency is, it will not cause double clicks, continuous clicks, and no response due to metal oxidation and aging problems. It can be used for 50,000 hours under continuous power-on.
2. The optical axis keyboard has no metal contacts, and there will be no change in the feel after long-term use. The key feedback strength is always consistent.
3. 104-key anti-collision design.
4. Convenient and personalized DIY, no pressure to replace keycaps at any time.
5. The contact area between the guide groove of the lower cover of the optical keyboard switch and the guide column of the handle is widened, and the mold mirror manufacturing process is used. The product has less friction, is more wear-resistant, and has a longer life.
6. Using high-quality piano wire springs, it has better fatigue resistance and strong rebound force. The switch switching action is faster, more sensitive, and feels better.
7. Optical keyboards do not have mechanical contact jitter problems, zero noise, zero delay in switch action time, and more sensitive and precise operation.
With the further development of technology and the increase in market demand, optical PCB keyboards are expected to occupy a larger market share in the next few years and become an important part of the keyboard industry.