'technology'에 해당되는 글 3건

  1. 2010.05.19 Society - Occupation
  2. 2010.05.13 Concept Design-Future vehicle#1 (1)
  3. 2010.05.07 Inductive Charging(무선충전기술) (4)
Issue. One opinion argues that the annual salary should be the top priority when you choose your job. Do you agree with this?

No, I don't agree with this. I think the best job is one you find yourself enjoying, and being good at. Even if the annual salary is also very crucial, it shouldn't be the top priority when you choose your job. In addition, a job is one of the major issues related to the genuine happiness of our lives, so when we choose our job the first thing we should do is to find out what we really want to do, and whether a job will let us happy or not. Let me assume an extreme case about that. Some people consider money as the top value in their lives, so some of them occationally fall into temptation of the black money.


1. What are the conditions of the most ideal job?

As I said a minute ago, the best job is one related to what you can enjoy throughout your life, what you've wanted to do since old times and stuff like that. If you choose those kinds of jobs, you can obtain more exellent results. Furthermore, a good money is one of the accompanying factors according to your exellent results in most of the cases.


2. What is the most special job you have ever heard of?

The most special job I've ever heard of was an astronaut. Have you ever heard of the first Korean astronaut or the first Korean spaceship like that? You know, thses days Korean government began to get down to invest money on a space development. And last year, the first Korean astronaut was selected coming through a competition of more than 100,000 to 1 as part of the national space development. In that regard, her occupation is really meaningful for every Korean and she would be remembered the first Korean astronaut who could see the earth from the outside in the space. That's really awesome job, isn't it?


3. What do you think is the most promising job of the future?

I strongly believe the most promising job in the near future is one related to IT and eco-friendly technology. You know what. These days the special needs about smart electric appliances like iPhone is skyrocketing. Before long, the market about a semiconductor or an electric display pannel is tremendously increasing. At the same time, the social and technological issue about enviromentally friendly technologies would come to the fore. So I can say that a job allied nano-tech, cumputer programming and constructing social network in the web is the most promising job of the future.
In addition, since those kinds of industrial fields are unparalleled in human's history, they can called, "Most powerful Blueoceans" that we've never seen before.

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Posted by designeer shyfragrance

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One day, I was watching a movie, called "i-ROBOT" and I could come up with an weird idea after seeing an Audi in the movie. The idea is like this; A sphere-shaped-wheel. And I started drawing some pieces of thumbnail sketches, and eventually I could deduct a certain conclusion from those results of brainstorming.



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Posted by designeer shyfragrance

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  1. Favicon of http://2024.4secat.net/cheapghd.php BlogIcon ghd 2013.07.11 13:55 Address Modify/Delete Reply

    당신 매력있어, 자기가 얼마나 매력있는지 모르는게 당신매력이야

 



Inductive charging uses the electromagnetic field to transfer energy between two objects. A charging station sends energy through inductive coupling to an electrical device, which stores the energy in the batteries. Because there is a small gap between the two coils, inductive charging is one kind of short-distance wireless energy transfer.

The other kind of charging, direct wired contact (also known as conductive charging or direct coupling) requires direct electrical contact between the batteries and the charger. Conductive charging is achieved by connecting a device to a power source with plug-in wires, such as a docking station, or by moving batteries from a device to charger.

Induction chargers typically use an induction coil to create an alternating electromagnetic field from within a charging base station, and a second induction coil in the portable device takes power from the electromagnetic field and converts it back into electrical current to charge the battery. The two induction coils in proximity combine to form an electrical transformer.

Greater distances can be achieved when the inductive charging system uses resonant inductive coupling.




<Advantages>


Inductive charging carries a far lower risk of electrical shock, when compared with conductive charging, because there are no exposed conductors. The ability to fully enclose the charging connection also makes the approach attractive where water impermeability is required; for instance, inductive charging is used for implanted medical devices that require periodic or even constant external power, and for electric hygiene devices, such as toothbrushes and shavers, that are frequently used near or even in water. Inductive charging makes charging mobile devices or Electric Vehicles more convenient; rather than having to connect a power cable, the unit can be placed on or in close proximity to a charge plate.

 In the Electric Vehicle industry it has been suggested that standardized inductive charging could minimize problematic cabling and connective infrastructure.




<Disadvanges>


One disadvantage of inductive charging is its lower efficiency and increased ohmic (resistive) heating in comparison to direct contact. Implementations using lower frequencies or older drive technologies charge more slowly and generate heat for most portable electronics; the technology is nonetheless commonly used in some electric toothbrushes and wet/dry electric shavers, partly for the advantage that the battery contacts can be completely sealed to prevent exposure to water. Inductive charging also requires drive electronics and coils that increase manufacturing complexity and cost.

Newer approaches diminish the transfer losses with ultra thin coils, higher frequencies and optimized drive electronics, thus providing chargers and receivers that are compact, efficient and can be integrated into mobile devices or batteries with minimal change.

 These technologies provide charging time that are the same as wired approaches and are finding their way into mobile devices rapidly. The Magne Charge system used in the GM EV-1, Chevy S-10 EV and Toyota RAV4 EV vehicles employed high-frequency induction to deliver high power at an efficiency of 86% (6.6kW power delivery from a 7.68kW power draw).





Tip from http://en.wikipedia.org

Posted by designeer shyfragrance

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