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A sensor network

A sensor network and sensor technology, applied in the field of sensor networks, can solve problems such as increasing energy consumption of relay nodes, increasing communication traffic, and affecting sensor network performance

Inactive Publication Date: 2007-11-14
SIGNIFY HLDG BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Though this U.S. patent application has reduced the energy consumption of the sensor of each group to a certain extent, because there is a sensor in the sensor of each group to coordinate the work of this group of all sensors as a gateway, if this gateway is damaged (this This situation is very likely to occur in harsh environments), which will have a great impact on the performance of the group and even the entire sensor network
Further, since the gateway is the core of the whole group of sensors, all sensors need to communicate with the gateway in order to complete certain tasks, which will inevitably increase the communication volume of the whole group, thereby increasing the performance of the group. consumption, especially increased the energy consumption of some relay nodes

Method used

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Embodiment Construction

[0019] Fig. 1 is a schematic block diagram of components of a sensor according to an embodiment of the present invention. Device 100 includes a communication device 110, a sensing device 130, a detection device 150, a determination device 160 and a power supply (not shown in the figure), the power supply provides the energy needed for the entire sensor to work, the power supply can be a primary Sexual, can also be rechargeable.

[0020] The device 100 may also include a storage device 120 and a CPU 140 .

[0021] The device 100 can be a node in a sensor network, wherein some functions of the device (such as: detecting device 150, determining device 160) can be implemented by software. For those skilled in the art, the above-mentioned devices included in the device 100 can be realized by various existing devices, as long as they can be combined to achieve the functions of the present invention.

[0022] The sensing device 130 is used for sensing the surrounding environment, f...

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Abstract

A projector with air cleaning functionality is equipped with a negative ion generator. The negative ion generator is positioned along a cooling airflow route of the projector and is adjacent to a lamp module. A photo-catalyst sheet, which is stimulated by ultraviolet light emitted from the lamp module, can produce the negative ions quickly. The air, which is circulated along the cooling airflow route, carries the negative ions out of the projector so as to clean air in the surroundings.

Description

technical background [0001] The invention relates to a data network, in particular to a sensor network capable of rationally managing energy consumption. [0002] The possible application scenarios of sensor networks are very wide, such as: physiological monitoring, environmental monitoring (air, water, soil, etc.), condition-triggered maintenance, smart space, military, inventory management, and other tasks that humans are not suitable for. [0003] A sensor network generally includes one or more groups of sensors (also called nodes in a sensor network), these sensors are connected together in a wireless or wired manner, and they work together or in groups to complete specified tasks. Each sensor in the sensor network generally has one or more of the following functions: sensing, storing, sending, forwarding, receiving queries, event triggering, and data processing. [0004] Due to the characteristics of sensors in sensor networks such as small size, cheap price, easy deploy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/28H04L45/02H04L69/40H04W40/24
CPCY02B60/50
Inventor 王刚金盛陈宁江张沁峰
Owner SIGNIFY HLDG BV
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