The first half of 2015 with a series of acquisitions Wicentric SMD (SunriseMicroDevices) Following, Arm International (ARM) recently re-shot acquisition of Israeli chip security system solutions provider –SansaSecurity, to continue to strengthen its processor silicon intellectual property (IP) and the wafer child information security protection system to further strengthen its Things (IoT) technology lineup.

An seek international technical director MikeMuller said any future networking equipment may become targets of malicious hacker attacks, so the company must pay attention to every detail of the security chip design and implement effective protection layers of protection to hacker attacks. To this end, ARM has also been actively enhanced hardware assist and trusted software protection efficacy of its products.

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In fact, ARM chip security lock technology, since the April 2015 merger wave has launched several offensives, including Wicentric with SMD, before once again closing the shopping network and mobile device security software and hardware system chip solution provider –SansaSecurity; After the company to ensure the safety of one hundred fifty million kinds of products in a year, but also the wisdom of deploying a series of security management solution devices and enterprise systems, incorporating ARM arm, it will help boost its TrustZone ARM and SecurCore processor IP’s information security protection.

It is reported that, SansaSecurity wafer protection technology to provide a complete hardware-assisted systems, additional security isolation precautions in the main application processor, make it easier for the wafer to create a data security products. In addition, the Company also through the operation of the high-end software packages in a trusted execution environment, to ensure the security of sensitive information will not drain. ARM noted that this acquisition is to allow ARM’s TrustZone technology can have extra capacity against malicious software, with system-level security requirements designed to reach all kinds of wafer and trusted security software’s.

SansaSecurity chief executive CobySella representation, Sansa’s technology has been widely used in networking and action to protect the information in an electronic device, the two companies as a partner, will be able to accelerate ARM overcome the most pressing security challenges of the wafer.

Application Status intelligent fixtures

As an important part of the smart home, smart lighting from the 1990s to enter the Chinese market. Since the initial positioning in the high-end smart products, resulting highbrow situation.

However, the rapid development of the domestic economy, increasingly sophisticated lighting technology as well as some international brands such as Dynalite (Bunge), lutron (Lutron), Wielang (Wieland) and the like to enter the Chinese market to promote the rapid development of this industry. In the 21st century, the intelligent lighting manufacturers and merchants have mushroomed rapidly growing, intelligent lighting entered the era of application.

At present, intelligent lighting products on the market has formed a series, the full range. A high degree of perfection comes Philips technology. Philips hue Series Application Zigbee wireless communication technology, provide the basis for LED lighting above, let the light in creating more convenience to people’s lives.

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You can use the mobile terminal or networked PC, remote control of the state Hue lamp. For example, the user can adjust the switching time under customary lighting, color, brightness, climate change, flicker frequency.

Hue also has the ability to self-learn environment and perception, it can make colorful lights dance music with you, it can give you when you enter the house a bunch of warm light to welcome you home, it can use the changing colors and breathing remind you of the bed.

Philips in China first launched the initial package, including three smart LED bulbs, a bridge and mounted on a mobile phone or tablet’s free APP. A bridge can support 50 bulbs. APP can run on iOS and Android two platforms.

Domestic manufacturers are more representative of the United States on the Hailang. Hai Lang on the United States and Jingdong technical team collaborated, developed by Nomad Division Series Smart Ceiling by “JD + intelligent cloud” APP (Jingdong Microunion) with local WIFI and 2.4G wireless communication technology with intelligent lighting management.

Stage of development of intelligent lighting

Intelligent lighting development mainly through three stages:

(1) energy stage, this stage is mainly to complete the transition to LED incandescent lamp.

(2) Automatic control stage, according to pre-set parameters (such as time, brightness and color) automatically “given at the right time to meet the requirements of the appropriate brightness and color.”

(3) intelligent control phase, to join in the automatic control based on artificial intelligence, cloud computing, big data, and the concept of networking, remote intelligent control lighting.

Based on the analysis of mainstream smart lighting technology

The current smart lighting market mainly involves the following three techniques.

1, dimming technology

The main method of adjusting the luminous intensity of the LED chip is changing its average operating current. Changes in average operating current general use PWM (pulse width modulation) method, that percentage proportion of time to achieve intensity modulation by adjusting power high pulse.

The color control usually RGB (red, green and blue) light mixing method, that is, by changing the red (R), green (G) and blue (B) color LED chip luminous intensity mixing different colors. Currently the mainstream lighting can bring up to 1,600 million colors.

2, the control and network communication technology

Intelligent Controller is the core of intelligent fixtures. Intelligent controller is usually a microprocessor core, and with different network communication interfaces (such as WIFI, Zigbee, RS485, etc.). Intelligent controller receives a user command interface via network communications, and make a series of actions in order to achieve lighting control according to instructions.

For example, changing the PWM value of the red, green and blue LED chips operating current control signal, resulting in a new lighting colors. The network used in the usual sense of intelligent lighting refers to things.

3, cloud computing and Big Data technologies

In order to achieve a more complex and more secure control, intelligent lighting and user is usually not one to one connection, but through the cloud server implementation. Mobile phone users app, micro-channel platform in the form of the control command to the cloud server, cloud servers according to the instructions be processed, then control instructions issued to the intelligent fixtures.

In addition to remote control, cloud server may also keep records of the working status of lamps, including switch lights, the use of long, brightness and color information, and even the use of large data ideology, to achieve self-learning function, to better serve users.