Friday, June 26, 2015

Butuh Grosir Harga Murah? Power Bank Nippon 20000mah saja!



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Saturday, June 20, 2015

Electronic Signatures-Esign Origins, Understanding Laws, and the Affects

Clinton signed the "Electronic Signatures in Global and National Commerce Act" (ESIGN) using his electronic signature ID, and thereby established the validity of electronic signatures for interstate and international commerce.
Powerbank Nippon - In the fours year prior to this Act's passage a dozen states had passed similar laws and guidance for state specific business purposes, and in the five years since the Act's passing every other state has passed similar laws and legislation. What does it all mean, and in the end how can it benefit businesses, individuals and the nation or world as a whole?

Power bank nippon - The best way to answer a question like this is to take a look at the origins of the law, and understand the reasoning behind its passage and the passage of the state specific laws.

The Birth of the Electronic Signature - Faxing

In the 1980's companies and even some progressive individuals began using fax machines for high priority or time sensitive delivery of paper based documents. Today, the fax machine is a staple of the business world. Most people do not even consider the original hurdles this new medium created, nor do they consider its impact on the speed of communication and the advantages of its use. However in its infancy many of the same issues surrounding electronic communications and electronic signatures had to be resolved when utilizing the facsimile.

When the first contract was signed and faxed it created the basis for the discussion of electronic signature validity. After all it was the first time someone could sign something, place it in a machine, send it from one phone line to another and deliver a digitally reproduced signature. The path this signature took was not controllable or traceable, and in most cases it traversed miles of wire before reaching its destination, so how could it be considered a valid signature? The intentions of the signature were clear to everyone, but businesses wanted to know they could count on the validity of the signature, and if no one actually witnessed the action of one individual or of a corporation how could a business put any faith in it? This of course caused quite a stir and in rapid fashion the courts ruled this signature carried the same validity as if the parties were standing in the room together. With this, the fax became standard operating procedure world-wide.

The courts found validity in this method of signature capturing and businesses also felt secure in this method. Quite a leap of faith considering the complications caused by fax machines early on. Many people didn't realize that the original fax paper's ink would vanish after a period of time and you had to make another copy of the fax using a copier if you wanted to store it permanently. Also many times the quality of the image was poor or barely legible, but businesses understood the intention and would consider it signed even if there was only a partially legible signature. So in essence you had a copy of a copy of a digital image, and even with so many loopholes for alteration and criminal malfeasance the fax still worked and business flourished.

How to Protect Your Electronics From Heat





Power bank nippon - Gaming Systems (e.g., Playstation, X-Box, Nintendo, Wii, etc.)
Audio Entertainment Equipment
Video Recording Equipment (for you people that like to post videos on YouTube.
Appliances (such as Central Air Conditioning Systems, Heat Pumps, Microwave Ovens, etc.)
HDTVs (e.g., LCD or Plasma)
All of these items entertain us, enlighten us and provide us with comfort. These products each require a considerable amount of money to purchase. Further, repairing and/or replacing these products is also quite expensive. Hence, I am quite amazed that people do not do more to protect their investment (in these electronic systems) and do whatever they can to extend the operating life time of these products.

Powerbank Nippon - In general, there are three (3) different destructive mechanisms that will either destroy or greatly reduce the operational life-time of your electronics. These three destructive mechanisms are

Heat
Electrical Surge/Spike Events, and
Electrical Noise
In this article, we are going to talk about HEAT. As we discuss Heat, we will cover the following topics.

How is Heat destructive to your electronics?
What can we do about heat - How to Protect Your Electronics from Heat and Extend the Operating Life of our Electronics?
2.0 HOW IS HEAT DESTRUCTIVE TO YOUR ELECTRONICS
Heat is an artifact of electronics. All electronic systems generate heat. Electronic systems accept electrical power (current and voltage) from the power line (via the electrical outlet). The electronic system uses a portion of this electrical power to perform work (e.g., the function that you want it to perform, e.g., play a DVD, cook a bag of popcorn, etc). The remaining portion of this electrical power is converted into heat.

However, heat is also an enemy of electronic systems. Few things are more effective in reducing the operating life-time of an electronic system, than raising the operating temperature of the electronic circuitry within your electronic system. If you were to speak with an Electronics Device Reliability expert, he/she would tell you that for every 10 degrees (Celsius) that you raise the operating temperature of an electrical device; you reduce the operating lifetime of that device by 50%. The impact of heat (in shortening the operating life) of your electronics is "huge".

3.0 WHAT CAN WE DO ABOUT HEAT?
As I mentioned earlier, all electronics generates heat. There is no way to prevent electronics from generating the very thing that can destroy it. However, there are a couple of things that you can do to prevent this heat from doing so much damage.

1. You can work to remove this heat from the electronics (as quickly as it generates it), or
2. You can do things to try to help the electronics to not generate so much heat in the first place.

I will address each of these approaches below.

3.1. REMOVING HEAT FROM THE ELECTRONICS
Many consumer electronic systems were designed with "Heat Removal" in mind. Some of these electronic systems (like desktop computers) contain "internal fans". These fans were designed into these systems so that they could blow air through the area in which the system electronics resides. The intent behind having these fans to is blow the heat away from these electronics and to help keep them cool.

Other electronic systems contain "vents" (in their outer case) to provide an "escape path" for heat. Many of these vents are located at the top or in the "back-end" of the electrical system. On this basis, I have the following recommendations to permit the removal of heat from your electronics.