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Showing posts with label Part 9. Show all posts
Showing posts with label Part 9. Show all posts

Monday, March 14, 2011

Wireless Headphone




Bluetooth headphone is very familiar right?

Ever hear about Wireless Headphone?

Do you know what it is?

How does it work?

Im new in this technology and i wondering it is the same technology with bluetooth???



Wireless headphones work has become very easy like music can be heard while doing some work also and even it can be attached with the mobile phone to speak even without managing the cell phone set.

Wireless headphones free you from being a prisoner to your television or stereo system by having to be so close. Most corded headphones only let you go so far, but without wires you are free to room the room and many models will let you go into others as well.

This type of headphone will work with televisions, MP3 players, computers, as they are communicated by an infrared or radio signal to a central base station. This means you are free to do what you want as no longer do you have to be attached to a certain area in your home. Let us look at other advantages and some models.

Wireless technology has been designed with the consumer in mind to work with most stereo products and even with video games. If you are a gamer than you will want to give wireless a try with your video game system. It makes it much more fun for you and your family. They will not ever have to tell you to turn the noise down again.


The one thing about this technology is they are constantly improving on it. A few years ago the distance that you could get away from the base unit was much smaller. Now they are to the point where it get further away every year it seems. Most units also have a variety of channels just in case you have an interference problem in your area. It is rare this happens, but it can.


WHY THEY MAKE U PUT OUR TRUST ON THEM????

•Wireless headphones also possesses high sensitivity features also.

•Use 4 AAA batteries (2 for transmitter & 2 for receiver)

•Wireless headphones also comprise of Dulcet Bass

•Beside these the wireless headphone comprises Transmitter Receiver with FM Radio

•Through the luminous cordless design and the lightweight Open Air wireless system of the wireless headphone starting from TV Audio to Computer Audio Converter Modern Headphone people can roam around the space and take pleasure in the music they love for hours.

•Wireless headphones also gets connected to any, VCR, TV, DSS, Computer, VCD, MP3 CD Player, DVD, or Stereo System through the equipment of supplied cord and plug adapter,

•Wireless headphones also includes two audio inputs that provides switch with no trouble between sources.


WHICH ONE IS YOUR PREFERENCE?? LOW COST OR HIGH COST??

The Logitech FreePulse Wireless headphones or Sony RF Wireless headphones?



if your have low budget u can purchase The Logitech FreePulse Wireless....

The Logitech FreePulse Wireless headphones are one of the best sets around and at a very affordable price which makes it a winner in my book. While most lower price headphones are not worth the money this set is. The best thing about these is you can use these as well as on the road besides at home. Serving a dual purpose is always something I’m looking at when I spend my money.

BUT...

You also can purchase SONY RF WIRElESS HEADPHONE....These are very comfortable to wear and if you had to wear them all day you still would not have a problem. These are also very adjustable and have good sound quality. They come with surround sound which is a nice touch and if you love surround sound than maybe this is the set for you. Overall does a very good job, but is more expensive than the FreePulse.

YOUR SECOND CHOICE FROM SONY....


The MDR-RF960RK wireless headphones and the best thing about this model is everything is simple to operate and setup. Where most models give you instructions upon instructions this one is easy to operate and with 150 feet range it means you can move around without fear of losing your signal.

These are also very comfortable so that makes leaving them on for prolonged use no problem at all. All in all not a bad model for the price especially if you want to try wireless headphones for the very first time.


People are starting to realize that they want something more and this is where wireless headphones come into play. We have less and less time which means a lot of times we must catch shows at odd hours. Not to disturb the kids and others in the home wireless headphones are the perfect solution. It is the wave of the future and will only get better from here. Grab a set now and see how they can give you peace and quiet from the outside world and the ability to still listen to your music and your favorite television shows.

Wednesday, March 9, 2011

SPOT LLC Continues to Pioneer Innovation in Satellite

About SPOT LLC
  • A subsidiary od Globalstar, Inc. (NASDAQ: GSAT)
  • Provides emergency notification technology that allows users to communicate from remote locations around the globe.
  • Product family uses both the GPS satellite network to determine a customer's location and the Globalstar network to transmit message and GPS coordinates to others including an international rescue coordination centre.
SPOT satellite coverage works around the world:
  • United States
  • Canada
  • Mexico
  • Europe and Australia Northen and Central
  • South America
  • North-Eastern Asia


Today's smartphones provide mobile social connection. But when users go off-grid, their smartphone needs help. SPOT connect provides connectivity to global communication satellites for sending location-based messages from around town or areas outside of cellular phone coverage.





By simply downloading the SPOT Connect application, SPOT Connect wirelessly synchs via Bluetooth with smartphone operating system like Android. SPOT message features are then initiated using the SPOT Connect app on the smart device.

Additional Benefits:
  1. Bluetooth wireless connection.
  2. Send location-based messages via satellite to others delivered as SMS text or email.
  3. To determine location and Globalstar satellite network to transmit that information to personal contacts or an international emergency response center.
  4. Provide GPS functionality to non-GPS devices.
  5. Store up to 10 predefined messages for quick reference and sending.
Peter Dalton said:

" For the tome ever, urban professionals, outdoor enthusiasts and world travelers can utilize cost-efficient, personal satellite communications directly from their smartphone."

" When paired with SPOT Connect your everyday smartphone overcome traditional limitations associated witk cellular coverage, keeping you better connected to your personal contacts and social groups like Facebook and Twitter when you want to be."


See you next time!

References:
https://www.findmespot.eu/fr/pressroom/index.php?option=com_content&view=article&id=364:spot-unveils-revolutionary-new-spot-connect-for-smartphones&catid=23:press-room&Itemid=45
www.satprnews.com/tag/spot-llc/
www.nasahackspace.org/2011/.../spot_unveils_revolutionary_new.html




Monday, March 7, 2011

Communication & Network

The Theory of Communication Network

The idea of a network first emerged with perhaps the oldest form of organized communication: the postal service. Most communication networks, even modern ones, share many of its aspects.

  • A user writes a letter, serving in the communications context as the message source.
  • This message is sent to the network by delivery to one of the network's public entry points. Entry points in the postal case are mailboxes, post offices, or your friendly mailman or mailwoman picking up the letter.
  • The communications network delivers the message in the most efficient (timely) way possible, trying not to corrupt the message while doing so.
  • The message arrives at one of the network's exit points, and is delivered to the recipient (what we have termed the message sink).

Wireless Connection

Wi-Fi

A wireless network uses radio waves, just like cell phones, televisions and radios do. In fact, communication across a wireless network is a lot like two-way radio communication.


International symbol for Wi-Fi


Here's what happens!!

  1. A computer's wireless adapter translates data into a radio signal and transmits it using an antenna.
  2. A wireless router receives the signal and decodes it. The router sends the information to the Internet using a physical, wired Ethernet connection.

How iTunes Mobile Works

  • Apple's iPod and iPhone dominate their respective product categories. So it's perhaps no surprise that iTunes, the software that helps those products perform much of their magic, is also virtually ubiquitous. Although iTunes began as a program for desktop computers, it's now available on some mobile devices, too.

How iTunes Mobile Works?


What Is Bluetooth?

Bluetooth wireless technology is built into electronic gadgets and lets you talk and share information like voice, music and videos, wirelessly.



  • Well it isn't some strange form of tooth decay as you might initially imagine. Bluetooth is the name of a new technology that is now becoming commercially available. It promises to change significantly the way we use machines.

1. Take a look around

Look around you at the moment, you have your keyboard connected to the computer, as well as a printer, mouse, monitor and so on. What (literally) joins all of these together?, they are connected by cables. Cables have become the bane of many offices, homes etc. Most of us have experienced the 'joys' of trying to figure out what cable goes where, and getting tangled up in the details. Bluetooth essentially aims to fix this, it is a cable-replacement technology.


2. How?

Bluetooth is a standard for a small , cheap radio chip to be plugged into computers, printers, mobile phones, etc.A Bluetooth chip is designed to replace cables by taking the information normally carried by the cable, and transmitting it at a special frequency to a receiver Bluetooth chip, which will then give the information received to the computer, phone whatever.

3. How about..?

That was the original idea, but the originators of the original idea soon realised that a lot more was possible. If you can transmit information between a computer and a printer, why not transmit data from a mobile phone to a printer, or even a printer to a printer?. The projected low cost of a Bluetooth chip, and its low power consumption, means you could literally place one anywhere.

4.  The Future
Whatever the ideas, Bluetooth is set to take off. To be honest it's going to be forced down the consumers necks, whether they want it or not, as too many companies have invested in it. This website is generally geared towards the technical issues surrounding Bluetooth, and its implementation in real life.




What is GPS?

The Global Positioning System (GPS) is a satellite-based navigation system made up of a network of 24 satellites placed into orbit by the U.S. Department of Defense.

How it works?

GPS satellites circle the earth twice a day in a very precise orbit and transmit signal information to earth. GPS receivers take this information and use triangulation to calculate the user's exact location. Essentially, the GPS receiver compares the time a signal was transmitted by a satellite with the time it was received. The time difference tells the GPS receiver how far away the satellite is.



How accurate GPS is? 

Today's GPS receivers are extremely accurate, thanks to their parallel multi-channel design. Garmin's 12 parallel channel receivers are quick to lock onto satellites when first turned on and they maintain strong locks, even in dense foliage or urban settings with tall buildings. Certain atmospheric factors and other sources of error can affect the accuracy of GPS receivers. Garmin® GPS receivers are accurate to within 15 meters on average.

GPS Gazette




Broadband

The term broadband refers to a telecommunications signal of greater bandwidth, in some sense, than another standard or usual signal (and the broader the band, the greater the capacity for traffic). Different criteria for "broad" have been applied in different contexts and at different times. Its origin is in radio systems engineering, but became popularized after MediaOne adopted it as part of a marketing campaign in 1996 to sell their high speed data access.

Maxis Broadband

Celcom Broadband

DIGI Broadband

P1 Wimax Broadband


Introducing to you, the latest broadband 4G package!

Priority Broadband
OverviewPackagesCoverage
  • Discover new worlds with blazing fast connections and seamless surfing like nothing you've ever experienced before. 
  • Wireless broadband in its most evolved form, P1 4G sets a new surfing standard and brings mobile freedom to all consumers. 
  • It unwired homes, offices and hangouts while freeing the way you live, work and play.
Greater Speed
• WiMAX offers faster and more consistent speeds than most wireless technologies such as WiFi, EDGE, UMTS (3G) and HSDPA (3.5G).
Wider Coverage
• WiMAX coverage is up to hundreds of times the coverage range of WiFi.
Excellent Quality of Service (QoS)
• Designed with cutting-edge QoS technology, WiMAX is dynamically optimised to support seamless and high quality streaming    of voice, video and data downloads.
Protected Privacy and High Security
• WiMAX is enhanced with advanced data encryption to ensure worry-free wireless surfing sessions


Priority Broadband
OverviewPackagesCoverage
E-Billing : FREE (Or RM5 monthly for a paper bill)
  • Modem is on rental basis. RM50 Modem Return Rebate will be credited in the last bill when modem is returned in good working condition.
  • RM 200 administrative fee is chargeable if the service is terminated within 12 months.
  • Terms and conditions apply.


References :


Computing Essentials (Complete 2010), Linda & Timothy O'Leary