"Smart Bracelet Simple History
As the product of modern technology, the smart bracelet is in front of the image of the wearable smart device, and in a quietness, it is quietly infiltrated and changing people's lives. Now it is trying to record a series of related data such as user's fitness effect, sleep quality, diet arrangement and habits, and synchronize these data into the user's mobile terminal device, and the terminal device is given according to their own "analysis function". It is recommended to guide healthy life through data.
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Say it young, but the history, the smart bracelet has already passed 38 years.
Open the historical yellow pages. In 1982, Japan has launched a programmable bracelet with a model "Seiko T001". From the perspective of hardware, the SEIKO T001 display section consists of two screens, namely the top is used to display time. Narrow screen and bottom of the date and alarm function for the relatively large blue screen for video output.
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Source: Pinterest
See here, have you doubt something wrong with you? Yes, there is such a watch at that time, I have had a watching TV and listening broadcast function that is now there is no watch (by a receiver like the size of the VHF, UHF channel, and FM radio). But then, now the mobile phone and Pad are still too much more vision than watch TV. It is also cool. Then there is such a transcendal demand at the time, and the product surpassed in the time appeared? The answer is to satisfy the need to be like James Badmine as a star friend who has been in the last day, there is no kindness, including its price ($ 495 38 years ago, put it today It is estimated that you are $ 2,000). Summarizing the audience group is small, the price is high, so it is not promoted, but from the perspective of concept and technology, it is indeed a well-deserved smart bracelet nose.
In 2011, a company-known company, who was known in the early 1990s and the Bluetooth headset, announced that it is sold to wear market, in the same year, Jawbone Up, sold at $ 99.99, initial intelligent bracelet infrastructure function and direction. The UP generation is functionally in addition to tracking daily activities, outside the training, and has the ability to sleep monitoring, which is at the beginning. At the same time, JAWBONE UP generation has upgraded in terms of product aesthetics and user experience design, not only has a variety of colors, but also provides large, medium, small three bracelet size and purchase guidelines for people with different wrist sizes. In terms of hardware configuration, although there is no screen and wireless transmission module (data exchange through the USB interface with Apple mobile phones), there is a shaking motor, motion sensor, 3.5cm earphone plug and USB connector, and battery life for up to 10 days. Lithium battery, etc., with the resources of Apple mobile phones, meet the requirements of activity detection, sleep monitoring, reminders, and dietary records.
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Source: Theverge
However, the first time in which Jawbone's first tried hit the South Wall. She was only available for a few days, because it was easy to use a few days, it was quickly removed (after receiving the information), the bracelet exists in the battery. Filling, battery caps, reminders, failure, and synchronous data loss, etc., and finally have to stop selling and compensate all purchased consumers. However, in any case, a series of innovations based on product design, we have to give the pioneers with lofty respect, so the smart bracelet must not be less than JAWBOONE.
In 2013, an emerging company FIBIT, a recorder's famous world, released a smart bracelet FIBIT FLEX, priced at $ 100. Compared with Jawbone, the function is similar, but the price is more intimate, the accuracy of the data has also improved, and the data sharing function is created, and the new game of smart bracelets and social circles has laid a new game, so it is very short. Promote the promotion.
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Source: Baidu
However, the first person to eat crabs often needs to pay anything. Due to poor waterproof performance, the most deadly is a complaint (it is said to be because of the nickel in Flex), and later is required by the US Consumer Product Safety Committee Recall, the final result can be imagined: recall, continue research and development optimization.
In June of the same year, Baidu Union was released "咕 手 手", mutual technology released "Le Run", Nike released Fuelband, which basically continued Jawbone Up, Fibit Flex two bracelets, such as Sports record, friends circle sharing, etc.
Until 2014, the potential temptation of wearable markets, the smart bracelet entered the period of rapid development. Misfit SHINE, Microsoft Smart Bracelet, Samsung Gear Fit R350, Jawbone Up24, 咕咚 HB-B021, Huawei Glory Bracelet, Millet Bracelet, Le Xin Bonbon, Lenovo Le Circle, etc. Cross-border products, can be described as a hundred flowers and changed the sports habits of the whole people to a certain extent.
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2015 is a transfrance year. MISFIT is out of the news that is acquired by American life fashion brand Fossil. At the end of 2016, Fitbit announced the official acquisition of smart watch company Peble, and Pebble was one of the most successful projects on Kickstarter, the crowdfunding website. Its smart watch products are called the best smart watch by The Verge. In 2017, the wearable equipment giant jawbone was closed. With a group of wear entrepreneurial companies with sports, a large number of cases have proved that sports + wearable devices are not a huge market that once people think, and may even be just a "pseudo demand." Be
Throughout the development of the smart bracelet industry, on the one hand, the industry has developed from scattering to agglomeration, Fossil and Fitbit have been acquired by Google; on the other hand, with a natural user, hardware design experience and system open support Advantages, mobile phone manufacturers have begun to wear a market out of the military, and set off another round of development. According to IDC data statistics, the top five of the global wearable equipment market share is: Apple, Xiaomi, Huawei, Samsung, and Google Fitbit.
Smart Bracelet Global Quotes
Although the smart bracelet industry is very powerful, with the integration with other mobile equipment, add more usability scenes, the overall market of the smart bracelet is still good.
According to the third quarter of the market research institution, the latest shipments of the bracelet market can wear the bracelet market, benefited from the millet bracelets in China and other markets in China and the growing wear bracelet shipments year-on-year increase 65 % To 4.5.5 million, where the Asia-Pacific market and Greater China's growth momentum is stronger.
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Source: canalys
From the global perspective, the millet bracelet is still leading. The shipments of the third quarter reached 1.2 million, an increase of 74% year-on-year, followed by Apple, Huawei, Google Fitbit and Samsung.
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Source: canalys
Based on the statistics of the global wisdom watch and smart bracelets in 2016 to 2020, the Topology Industry Research Institute said that whether it is a wisdom bracelet or a wisdom watch, in 2019, it has ushered in a fast market growth, and predicts this The rapid growth momentum will continue until 2020.
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Source: Topological Industry Research Institute
In addition, from another aspect, it is possible to confirm the market's good, that is, the global intelligent bracelet manufacturer's demand for its components. According to IHS Markit's data, the shipments of smart watch bracelet display in the third quarter of 2019 increased by 34% year-on-year. It is expected that in 2019, shipments will be increased to 15.5 million sheets, an increase of 31% from $ 149 million in 2018. Prior to this, the growth of 2018 was even more amazing and reached 42%.
Smart bracelet key function, technical analysis
Exercise monitoring
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Since there is a smart bracelet, our exercise can be accurate to "step", this accurate sports data has promoted the enthusiasm of everyone.
So how is exercise testing?
There are two main types of intelligent bracelet step function in the market. One is a motion state sensor (three-axis acceleration sensor) that can sense the three-dimensional rim moving, sensitizing the acceleration or vibration of different directions by the capacitive accelerometer. Simply put, when people will generate horizontal and vertical acceleration when they walk, when the user steps, the vertical direction is in the vertical direction, and the horizontal direction is accelerated; and continue to walk forward Falling, the vertical direction acceleration switches down, and the horizontal direction acceleration is reversed. The three-axis accelerator is recorded at the same time, simultaneously, plotting the regular curve, and then filtering, peak detection, etc., using a variety of algorithms and logical operations, ultimately converting these data to the readable number of the bracelet APP side, That is, the number, distance, and the number of calories, etc. The other is a green photoelectric measuring method, which consists of two green light-emitting LEDs and a photosensitive sensor located behind the bracelet. The working principle is based on the blood in the arm vessel during pulsation, and the change in light transmittance is caused. The LED emits green light wave, the photosensitive sensor receives the reflected light of the arm skin, and the change of the sensing light field strength can be calculated The heart rate, and then reflects the human movement by continuous monitoring of heart rate.
Sleep monitoring
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At present, the principle of sleep monitoring monitoring of smart bracelet is to analyze sleep states by the body movement recorder. Simply put, it is a three-axis acceleration sensor and photoelectric sensor on the smart bracelet. When sleep, the quality of sleep can be measured according to the movement of the wrist, frequency and heart rate.
The three-axis acceleration sensor can detect micro-small motion, and the photoelectric sensor can detect the heart rate condition, and then inside the inside to determine whether it is awake, shallow sleep or depth sleep. As for how to determine the status of the user, it is necessary to rely on the preset parameters of the bracelet, and the bracelet will preset several trigger conditions to determine if the user enters the sleep state, when the monitoring data and preset data of the bracelet Match, then the bracelet will determine that the user enters the corresponding mode. Of course, different bracelets differ in different monitoring results due to hardware and software differences.
Heart rate monitoring
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The principle of heart rate monitoring has been explained in the exercise monitoring column, which is then listed separately because the function of heart rate monitoring is more than being used in motion monitoring, and can also be used for health, such as evaluating heart-pulverous health. Everyone can share the measurement of the heart rate to a friend through mobile devices such as mobile phones. Some middle-aged and chronic diseases can share data with family doctors to help doctors more comprehensive and sustained observation.
Body temperature monitoring
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The body temperature monitoring is achieved by a temperature sensor, which is located on the back of the smart bracelet, of course, through the temperature sensing in the inside and outside, can obtain a more accurate human temperature value. The specific working principle is that the sensor acquisition data is transmitted to the CPU for processing, and then the monitoring arm temperature can be displayed on the screen, and it can also be used as a data foundation for further health, physiological cycle, etc., deeply digging smart bracelet health monitoring With the health function.
Blood oxygen saturation monitoring
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Blood oxygen saturation refers to the percentage of oxygen and hemoglobin binding in the blood, which is an important physiological parameter of all hemoglobin capacity. Blood oxygen saturation can reflect the body's oxygen supply, healthy human blood oxygen saturation is generally maintained between 95-100, when the blood oxygen saturation is at 80-85, visual, cognitive ability will change, When the blood oxygen saturation is about 75, your physical condition is very dangerous, you need to seek medical attention immediately.
With the improvement of the intelligent intelligence of the smart bracelet, in order to better serve sports enthusiasts, some manufacturers have begun to join the blood oxygen saturation monitoring. Its working principle is to optimize the hardware optical path and algorithm, the fusion of multi-light sources, and use an oxygen-containing hemoglobin and deoxystone to different light reflection absorption, signal extraction, enhancement, noise suppression, algorithm processing, etc. Once pulsed blood oxygen saturation.
Vibration wakeup / reminder
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Smart bracelet built-in vibration assembly can wake up in sleep by vibration. The user can pick the chart alarm in the setting to activate the vibration wake-up function, set the time and save, or have important events. This kind of wake-up or reminder is more soft than the alarm, it is not easy to wake up by the alarm, and the mood is low, and even affects memory, cognition and calculation speed.
This built-in vibration component is a miniature vibrating motor that enters the rotation mode after receiving the vibration control signal, and the eccentric block on the motor shaft will also be rotated to generate a vibration.
Meal record
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Dietary records can help users develop a more scientific eating law, and the powerful software of smart bracelets can provide users with a perfect food library. Users can add food pictures or take pictures when dining and pick food components, and then the software will showcase the energy contained in the food, and finally count the energy intake of one day.
other
In addition to the above common functions, smart bracelet manufacturers often obtain blood pressure information by detecting pulse conductivity, calculating the time difference of electrocardiography and pulse detection; through metabolic heat, the heat, blood oxygen saturation is detected by metabolic After the degree, the blood flow rate, the blood sugar concentration value is calculated, these patients with hypertension, diabetes, pregnant women, have a great help.
Smart Bracelet Experience Comparison: Glory 5 VS millet 4 vs Fitbit Inspire HR
With the opportunity to launch a lot of video with non-net, we started the best smart bracelets on the three markets, including three brands of millet, Huawei and Fitbit (Google), not to say, let's To show the results of our specially invited appraisers to everyone.
Glory 5 (¥ 179)
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Glory 5 | 图 源: Huawei official website
Functional Row: Heart rate monitoring, infrared wear test, blood oxygen saturation detection, digital silicone, ten exercise mode, battery life 15 days (100mAh), 0.95 inch AMOLED screen (resolution 120 × 140), sleep monitoring, 5ATM level Waterproof, Alipay payment, Bluetooth 4.2, smartphone notification, optional NFC function, compatibility with Android and iOS, etc.
Experience evaluation
Advantages: Blood oxygen saturation detection is more suitable for sports enthusiasts, easy to read and navigate color screens, bracelet subjects are not easy to lose, convenient to charge (no need to remove the subject), less profitable APP advertising, cost-effective.
Disadvantages: Monitoring data accuracy is slightly higher than millet, no onboard GPS, NFC only applies toSome regional, Huawei ecological limitations.
Xiaomi 4 (¥ 169)
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Figure | Xiaomi 4
Functional Row: Heart rate monitoring, capacitive wearing test, six kinds of exercise mode, battery life 20 days (135mAh), 0.95 inch AMOLED screen (resolution 120 × 140), sleep monitoring, 5ATM level waterproof, Alipay payment, Bluetooth 5.0, intelligent Mobile phone notice, can link a small love classmate and other smart home, optional NFC function, compatibility with Android and iOS, etc.
Experience evaluation
Advantages: Xiaomi 4 has a significant improvement compared to Xiaomi 3, in addition to reading and navigating color screens, providing a satisfactory tracking capabilities and other features that are difficult to find on this price.
Disadvantages: Monitor data accuracy, no onboard GPS, is not compatible with millet 3 charger, NFC only applies to some areas, the main structure is easy to lose, the convenient charging is poor (remove the main body charging), Xiaomi Ecological Limitations, Xiaomi sports APP advertisement is too much.
FITBIT INSPIRE HR (¥ 698)
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Figure | FITBIT INSPIRE HR
Functional Row: Heart rate monitoring, 15 kinds of sport mode, endurance ability 5 days (46mAh), connect GPS, sleep tracking, 5ATM level waterproof, smart phone notification, monochrome grayscale screen, compatibility with Android and iOS
Experience evaluation
Advantages: Small and light, sports elements are stronger, the body of the bracelet is not easily lost, the magnetic suction charging is more convenient, and the smart bracelet relatively domestic smart bracelet will be better.
Disadvantages: The price is relatively expensive, the battery life is relatively weak, the screen is displayed as monochrome, no height, no quick reply, no Fitbit Pay, the domestic ecology is relatively narrower.
Intelligent bracelet hardware solution comparison
1. Comparison of Schematic Framework
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Figure | glory 5
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Figure | Xiaomi 4
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Figure | FITBIT INSPIRE HR
A sentence comment: From the perspective of hardware, the two bracelets are different from the two braces of the two braces, while Fitbit Inspire HR will have some differences in the screen and trigger, compared to the screen of Fitbit Inspire HR. Overstage.
2. Comparison of main devices
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Serial number
Manufacturer
model
other
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1
Ambiq
Apollo3 Blue
ARM Cortex-M4F CPU
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2
-
Amoled
0.95 inch color OLED screen
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3
-
HB35132ECW
100mAH lithium battery
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4
-
Flash
32M
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Figure | glory 5
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Serial number
Manufacturer
model
other
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1
Dialog
DA14697
Low power Bluetooth master
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2
-
Amoled
0.95 inch color OLED screen
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3
-
Battery
135mAh lithium battery
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4
-
Flash
16m
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Figure | Xiaomi 4
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Serial number
Manufacturer
model
other
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1
Cypress
CY8C68237FM
Low power Bluetooth master
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2
-
OLED
0.8 inch monochrome OLED screen
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3
-
Battery
45mAH lithium battery
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Figure | FITBIT INSPIRE HR
A sentence comment: From the perspective of components, the Fitbit Inspire HR does not have a Flash chip, so it will not be too large in the amount of data, which is consistent with its functionality than a single feature.
Written in the last
From the perspective of the market, in the past few years, the smart bracelet has encountered a demand bottleneck, and a lot of companies have not been able to have passed. But in the cruel red sea of the back wave, the global sales of smart bracelets have grown steadily. Strategy Analytics analyst Steven Waltzer said: By 2020, global wearable equipment shipments increased by 30%. Smart watches will dominate, while fitness trackers will recover growth. Apple, Xiaomi, Huawei and Fitbit will still be top-level wearable equipment leaders.
From the perspective of technology, the smart bracelet function is getting more and more, this is good news, but when an overwhelming bad news is to solve the accuracy of sports and health measurement data, it includes detection accuracy and There is a capacity to self-discipline data accuracy, after all, this is the most urgent hope for smart bracelet users and wishes.
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Details of the core devices used in several braces can be queried and purchased in the Site Electronic Official Website, including:
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DA14697 - DIALOG
CY8C68237FM - Cypress
Other related devices include:
MAX32632IWQ + - MAXIM
ICP501421PS-RENATA
W25Q32JVSSIQ-WinBond
ELW0901AA-FUTABA "
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