Create a wearable device: a detailed description of the wearable wireless network technology solution

1. Wearable computers and wearable wireless networks

1.1 The wearable computer is a new concept of mobile computing systems. Its concept originated in the 1960s. Since the 1990s, with the rapid development of large-scale and very large-scale integrated circuits, research on wearable computers has entered a new stage. Currently, there is no exact definition of the concept of a wearable computer. In general, wearable computers should have the following basic characteristics: they can be used in motion; they can be used to free up hands or other things; users can control; sustainable, diverse, ie different applications The wearable computer should be different in composition, function, etc., as can be seen from the above features. Wearable computers are more closely integrated with people than traditional computers. This requires that the wearable computer must adopt a new human-machine interaction technology to achieve a harmonious human-machine. This is also a hot issue in the current research on wearable computers and the difficulty that must be overcome.

Create a wearable device: a detailed description of the wearable wireless network technology solution

1.2 Wearable Wireless Network In the wearable computer system described above, the hardware devices are mainly connected by a communication cable, and the operating platform used is also based on a wired device. Although this kind of system has its applicability in certain occasions, its shortcomings are obvious: First, it is not flexible enough. Because of the "hard" connection of communication cables, it is bound to affect the activity space and amplitude of the user's body, which is necessary in some applications, such as physical exercise.

Second, it does not consider integration with existing personal communication terminals (such as mobile phones, PDAs, MP3s, etc.). This would make existing communication terminals a separate and functionally overlapping device from the wearable computer entity.

In response to this situation, this paper proposes the concept of a wearable wireless network. Compared to wearable computers, wearable wireless networks have the following characteristics:

(1) Better flexibility.

(2) Fully consider the integration with existing personal communication terminals.

(3) It is possible to perform distributed control. This is because each communication terminal has certain computing processing power and storage capacity (and with the development of very large scale integrated circuits, the performance in this aspect is bound to be further improved).

(4) More humane. The user can select the appropriate primary communication device to control the entire network according to different applications, convenience levels, and personal preferences.

It can be seen that the wearable wireless network should have better applicability and wider application prospect than the wearable computer, and it can be developed on the basis of various existing wireless local area network technologies. Since the existing wireless LAN technologies are relatively mature, they have obvious advantages in development difficulty and development cycle compared to wearable computers.

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Features 

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MAIN DIMENSIONS AND STANDARD PARTICULARS
Type 54-1 54-2 54-3 54-4
Creepage Distance,mm 41  48  57  76
Main Dimensions H 89 108 140 171
h 44 57 79 67
h1 64 76 103 114
D 64 73 86 89
d 44 54 60 60
d1 16 22 25 25
Mechanical Failing Load,KN 44 53 89 89
Low Frequence Flashover Voltage Dry,KV 25 30 35 40
Wet,KV 12 15 18 23
Net Weight, Each Approx., kg 0.5 0.65 1.2 2.2
strain insulator bluestrain insulator brownstrain insulatorstrain insulator 54-2

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