Opportunities around Video Surveillance technology

 The IP based distributed video surveillance system is an intelligent security system that provides surveillance even in the face of power and network outages.

Power Electronics in India - Scopes and Careers

To continue its growth trajectory, India would need a lot more emphasis on the power sector. So a career in power electronics could prove to be a good take-off for you. Power is one of those sectors which are showing a promise of growth and expansion amidst the economic slowdown clatter. It may even benefit from the current recession.Its steady rise can be attributed to the immediate need for infrastructure.

Blue Ray Technology - An Abstract

New technology is now making it possible for viewers to record and store high definition programming onto DVDs. Blu-ray Disc is one method of recording HD content onto an optical disc. A blue-laser optical disc (MPEG-2 or MPEG-4) is used. Systems that use this technology will be able to play traditional DVDs, but the goal of Blu-ray is to create an image that's as close to the HD format as possible. The name Blu-ray comes from the blue laser that decodes and copies information to each disk. Blu-ray technology may very well revolutionize the world of high definition programming. The Blu-ray disc format offers greater potential for storage, usually 25 gigabytes, which exceeds that of a standard DVD (15 gigabytes). One single-layer Blu-ray disk can hold about four hours of high definition content. A two-layer disk can contain eight hours of HD content. Four- and eight-layer disks are now in the works. These disks would have storage capabilities of 100 and 200 gigabytes. The Blu-ray recording system utilizes a shorter wavelength for recording information than traditional CDs and DVDs, and this is part of what allows it to hold more content on a single disk.

Is A 5 Mega Pixel Camera Worth The Money?

I have had very little experience with digital cameras, and very little of it was positive. Up until I got my 5 megapixel camera, I thought that a film camera was the only way to go. This is because I gave up too early. All I had ever used was a camera phone. It had horrible resolution. I think it was something like 2.1 megapixels. It looked so blocky that it was almost impossible to tell what you were looking at.

Consumer Electronics Design Positions And How To Get Them

Some of the most innovative items on the market today are consumer electronics items. There are too many items to name here, but a few of them illustrate the ingenuity of consumer electronics designers and professionals. Products like the PlayStation Portable, the Roomba vacuum cleaning robot, and the Dyson bag-less vacuum cleaner show that there is a high level of creativity and ingenuity in the consumer electronics field. For professional tinkerers, technicians, and designers alike, there is a need for more workers in the consumer electronics field.

Ozone Generator Characteristics

Ozone gas is now-a-days used for treatment of drinking water, disinfection, and air-purification. What one re- quires is a small and handy unit to be plugged into mains to get ozonated air at suitable pressure flowing out from a tube It can then be let into environment or bubbled through water or any other polluted liquid. But the gadget must be completely safe to work with.

Ozone generators invariably make use of a discharge tube to which a high electric field is applied so as to break down the oxygen present in the air. This phenomenon occurs at or near a field strength of 25 kV/cm, and the resulting discharge that takes place is known as corona. The corona has a light bluish glow. It is in this corona field that oxygen becomes ozone (O3).

Ozone has tendency to revert back to its original form in about 10-20 minutes, in the atmosphere. Therefore, it is necessary in any ozone application to generate ozone as and when requied for use since it cannot be kept stored the way chlorine is stored (in cylinders). Chlorine is used in our cities to disinfect drinking water supply. It is highly carcinogenic because when it comes into contact with remnants of pesticides in our foodstuff (vegetables), it generathalomethanes, which are carcinogenic. That is why, ozone is used today in preference to chlorine.  Complete disinfection of water, in any impure form, is realised with an ozone content of 4 mg/litre.

Advantages Of ZigBee

Though development of Zibee standards is still under progress, there are lot many applications for ZigBee due to their some good advantages. Zigbee is mostly used in Home automation systems and control.

Here's some advantages of ZigBee

1. Chip-vendor independence
2. Rapid innovation
3. Extremely Low cost
4. Open standards enable markets
5. Easy to deploy
6. Excellent performance in environments with low signal-to-noise ratio
7. Appropriate range of operation (30 - 100 meters)
8. Appropriate and reliable data transfer, bit rate : 250kbps at 2.4 GHz
9. Very low power consumption
10. Secure data transfer
11. Zigbee protocol needs less than 64 kb of ROM and 2-32 kb of RAM
12. Zigbee can bee implemented with any type of microcontroller