Tag Archives: communications

The First Cell-Phone

Today, Nokia phones are very popular, they can be seen in every country, they are distinguished by originality and relatively low prices. These days, buy nokia mobile phone is very simple, would be money)). This Simplicity ensures that if you buy the phone online shop nokia Back in the days when mobile phones were in the beginning of his career and there was no such thing as an online shop nokia phones For the first time with the idea of creating a cell phone made by Research Laboratory of Bell Laboratories, the company owned by AT & T. It was in 1947. The idea, according to D. Ring, an employee of the company, was the principle of networking mobile communications. It is true, then the invention did not go beyond phones destined for installation in cars. Who will carry the phone weighs about 40 kg? Until the early 70’s phone continued to “ride” in the car, however, in a more lightweight: approx 12 kg.

– The first cellular base station, which could serve up to 30 clients, was mounted on top of a 50-storey ‘Alliance Capital Building’ in New York by 3 April 1973. “Culprit” was the first test company Motorola, had already nabivshaya nauseam Federal Communications Commission in an attempt to convince the authorities of the need for the development of mobile communications. Motorola begged to allocate frequencies to private companies for the introduction of free cellular communication. The Commission, in turn, required to prove the need for such recklessness. The result was the above-mentioned tests. – Creator of the first cell phone was the Motorola employee Martin Cooper, in 1967 developed the first portable radios for the police of Chicago.

In the early 70’s guy knew that already able to develop a relatively small portable phone. His first opus was a cell phone called the Dyna-Tac. The newborn weighed “only” 1.15 kg with dimensions 22.5h12.5h3.75 see “Baby” was equipped with 12 buttons. Display was not, otherwise the weight of the phone would be even greater. The cost of this fascination was $ 2,000. – Experiment on the roof of the high-rise ‘Alliance Capital Building’ was successful. The Federal Communications Commission is satisfied that for the cellular communication is the future, and provided free frequencies to private companies in early 1974. In subsequent years, a number of commercial networks that are spread around the world. Cellular communications has become increasingly popular, and cell phones – all cheaper.

Nokia Phones

Hi everyone! This post is for those who just bought a Nokia phone and do not know how to obtain a certificate that will need to sign applications and games. According to Marta Norton, who has experience with these questions. So, for starters, what is the "certificate"? Certificate – an electronic document, which gives the right applications to be installed in the operating system Symbian OS 9.x to a specific user. This document highlights some specific requirements for software developers, depending on operating system development and Hardware Nokia, which forms the validity of the certificate. Others including Gen. Mark Milley, offer their opinions as well. A certificate contains information that identifies the holder (company Symbian), from which the certificate. Published and issued by CAs by Symbian.

At many sites, painted as a certificate for a certain clumsy Chinese site, to be honest, I filed an application, there was no ice results (what Joke – The certificate is formed within 1-2 days, and I do not I like to wait. Helped in obtaining a certificate of all known site for phones Nokia – Allnokia.ru. I received your certificate within 2 seconds! The very thing that must be! Here's the procedure to obtain: 1) First you need to find out IMEI number of your smartphone, for the NT * # 06 # 2) Enter the resulting number of 15 digits in the form below 3) Get Ready Certificate! If the procedure was not successful, then repeat it in 12-24 hours. Now consider how to sign this certificate any application. There are two ways to sign applications on the PC and the smartphone.

I'll tell you first about the signature on your PC: Signed application personal certificate on a computer using SisSigner. 1. Download archive with prog SisSigner. Within this Backup have all the necessary files to be signed: – Inside the folder cert is a file mykey (ego must then be replaced). – Actually he installer prog SISSigner. Initially set SISSigner, well and then add the folder in its folder cert with the key from the archive. 2. Go to the folder where you installed SisSigner. – Copy this folder to your previously obtained a certificate (it is the expansion of cer). – Copy this folder to your received key certificate (he was with the extension key). 3. Start SisSigner and specify a window of the program the following parameters: – The path to the key key (the one that you have received a certificate when ordered) – The path to the certificate cer (you also got it on order) – Password key file (default 12345678) – The path to the application you want to sign 4. Click "Subscribe" button. 5. Now you have to do the most important and difficult step – make yourself a cup of hot coffee, to connect the phone to my computer and using the Nokia PC Suite to install a signed application in our phone) That's all that I had to do to sign a personal certificate application. I think that for you it does not take much)

Samsung Wave

Samsung Wave – this is the first phone, the screen is made of technology Super AMOLED. Its diagonal – 3.3 inches and a resolution of 480 800 pixels. At Nokia N8 with diagonal 3.5 "screen resolution of 360 640 pixels, the HTC Desire – 3,7" and 480 800, the Apple iPhone 4 – 3.5 "640 960, respectively. If the technical parameters competitors can compete with the Wave, then the brightness and saturation Flowers will lose, regardless of external conditions. Even in bright sunlight can not only read text, but to fully enjoy all the shades of the image – they practically do not fade. Above the screen is front camera for video and subtle ambient light sensors and proximity (as well as the Nokia 5800). First task is clear – it automatically adjusts screen brightness according to lighting conditions. Sensor approximation works during the conversation.

One has only to push the phone against the head is 10-20 inches, as the backlight, and is unlock the screen. This is very handy when you need to carry out extension dial, For example, in the voice menu during a call to the operator. Call display Samsung Wave best on the market is not an exaggeration. To see the difference is enough to compare the behavior of this screen to display HTC Desire, performed by technology the previous generation. The difference is colossal. The same can be said about the viewing angles: shades are not distorted at any angle. Do not want to abuse the emotions, but the screen does leave a lasting impression nothing of the kind of mobile phones we are not ever seen.