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Showing posts with label Electronics. Show all posts
Showing posts with label Electronics. Show all posts

Friday, September 07, 2007

To Time this time….

This time I bounced to read about watches. I am not going to tell anything new about watches but want to discuss on special watches that is available from ’83 – the G-SHOCK series from CASIO. The G stands for Gravity.

I use to wonder why G-SHOCK watches are thicker with very thick boarder and a small display when compared to entire dial dia of watches. The features a GSHOCK should suffice as per CASIO are the following.

  • Bear the shock if falls from 10 mts
  • Should be 20bar water resistant ( 200 mts)
  • Should work in limited light
  • Should work in low and high temperatures ( min – 20C)
  • Standard time keeping functions with date, day and month
  • Standard features in digital watches like stop watch, timer etc
  • No battery replacement – or the life of battery should be more (some goes for 10 years)
  • Other additional features – depending on type of watch - like tide graph for surfers, waveceptors – for atomic time keeping

The reason for its bulkiness is the different layers that are present before and after the inner core of the watch to reduce the impact to 0 at the maximum. So the impact from a 10m drop is made to 0 here and hence the inner core ( where the brain of the watch is present) is not disturbed.

Other interesting features:

To save power, the watch display goes off if kept in total darkness for some time in some models. Additionally tough solar concept helps in recharging the battery so you won’t require replacing it. When the battery charge goes down, the watch gradually reduces its features one by one – (for example the auto EL light will be off) till it gets recharged. You just need to keep it in a location where light is present. Even a candle light will do to charge it.

Waveceptor linked with G SHOCK helps in keeping up the time to atomic accurate. These watches receives signal either from US , or Europe atomic stations and syncs the time automatically. The sync can be done either manually or automatically. Automatic sync happens mostly during night when the watch assumes you wont be using it – interesting isn’t.

The watch when fully charged can work in total darkness for 9 months… wow. The watch is now a favourite wear in armies, surfers, astronauts.

So wanna interested in buying G-SHOCK. Try it out today. And one last news, other than SWATCH watches, G SHOCK is also one of the collectors item for peoples. Number of limited editions have come in G SHOCK and still comes. FROGMAN is one of specific G SHOCK watch which is a most popular collection items. For more info go check it out here : casiowatches and gshockhome.

Saturday, May 26, 2007

Calls are new...

Again to another phone now. Moved to Nokia for the first time. Here are the comments about my new Nokia N72

Good ones:

Stylish look - i got gold plated one - this came very recently to market
Quick hints on current status - if you had received some new messages or any missed calls - it get displayed in the screen saver timer
File transfer - The NOKIA pc suite is good to transfer files from here and there. There is one another feature wherein you can send SMS from ur PC thro the phone instantly
Sound quality - Good
Light sensor - Automatically detects the light based on which it lights the keypad

Bad ones:

Less talk time - around 3 hours and 30 mins ( i am not sure about this)
Slow menu response - this was not happening in my old sony ericsson
No auto key pad lock - u need to lock the entire phone using some code
Audio format - not much supported audio and video format. I copied one AVI file but it was showing "Un recognised format"
Camera cover - poor design - often it opens by hand slippage ( if you keep this in pant pockets) and the worst part is it will unlock the phone - so if you keep it in ur pocket - ur loosing power

Overall suggestion: Good one to buy since it has almost all the features of current technologies.

Saturday, December 09, 2006

iPod sends electric signal to ur body....;-)


Sorry for again writing abt iPod. Just wondered how it is designed & found some thing interesting.

Do u know that the click wheel wont work if you use any plastic material to move around the wheel ( use cap of a pen to test this) ? U c it sends electric signals from the base and for the click wheel to work, the object it touches should be a conductor.We are good conductor and hence our finger does the magic.

But why when a paper click is used it doesn’t work? Good question isn’t it. The area of touch also does matter. The more the area of touch more electric cloud ( they call it as capacitance ) is created under the wheel which is sensed by electric circuit.

More details about that here.