3.2" QVGA LCD Touchscreen

HSN's Optimus V description states a 3.2" QVGA LCD Touchscreen. The specifications for an LGL45C is a 320 X 480 HVGA (Capacitive) Touchscreen.

QVGA - (Quarter Video Graphics Array)  is primarily used in smart phones, digital cameras, and other handheld devices with displays. QVGA  has a pixel resolution of 320 X 240, a quarter of the 640×480 resolution used by the IBM VGA computer monitor that set the standard in the 1980s, thus Q-VGA. QVGA resolution is measured in pixels by Height X Width. 320 X 240 means 320 pixels in height and 240 in width (see photo below). The higher the resolution the more detailed and sharper the display.

HVGA (Half-size VGA) screens have 480×320 pixels (3:2 aspect ratio), 480×360 pixels (4:3 aspect ratio), 480×272 (16:9 aspect ratio) or 640×240 pixels (8:3 aspect ratio). 

LCD - (Liquid Crystal Display) LCD displays are made like a sandwich. Take some liquid crystal solution and sandwich it between layers of transparent sheets of electrodes. Zap the sandwich with some electrical current and patterns form displaying an image. Change the amount of current and you change the color.


Touchscreen -There are two types of touchscreens. Resistive and Capacitive.
Resistive screen requires that you make contact with the display by using a stylus, fingernail, or any inanimate object and applying pressure to navigate the screen.

A Capacitive screen can sense a finger or specific electrical conductive material on or near the screen. This makes the Capacitive screen more sensitive where your finger can glide across the screen like a hockey puck gliding across the table of an air hockey game. It will take practice to accurately select icons and navigate the screen using your finger.

You can purchase a specific type of stylus that will work on a Capacitive screen to improve accuracy and also use if you are wearing gloves. A Capacitive screen can not sense a finger of a person wearing a thick glove besides accurately touching an icon would be challenging. If you are wearing a glove you will need to remove the glove, use a stylus, or purchase a special Capacitive touch gloves in order to navigate the screen.

320 X 480 - the first number represents the height and the second the width in pixels.

480 X 320 is the same display held vertically

 

Stylus - Make sure you purchase a Capacitive screen stylus not the hard plastic tip.

Capacitive Touch Gloves

How to Make Your Own Capacitive Touch Gloves Video - Click Here

What is CDMA?

What is CDMA?
CDMA (Code Division Multiple Access) is one type of wireless communication technology. CDMA uses spread "spectrum technology". The signal is coded, divided-multiplexed, and scattered over a wide range of frequencies sent over a channel and reassembled at the other end. CDMA providers store your phone number and information in their database. This information is downloaded into your cell phone's internal memory. If you purchase a new CDMA phone you must contact your provider in order to have your information downloaded and phone activated.

A SIM card is used with GSM (Global System for Mobile Communications) a competing technology. A SIM card is a removable chip that stores your phone number and data. The SIM card makes it easy to switch to a new phone by simply sliding the SIM out of the old phone and into the new one. There is no need to contact your provider.

CDMA does not support SIM (Subscriber Identity Module) cards as a whole. The exception is a CDMA SIM card called the R-UIM (Re-Useable Identification Module) that was made available in China and will eventually be available worldwide. Future cell phones may have a market that supports both SIM (GSM) and R-UIM (CDMA) cards.

Although CDMA digital technology is faster GSM owns a majority of the market share (75%-82%.) GSM is a more widespread in Europe and Asia. In the United States, Sprint and Verizon networks are CDMA whereas AT&T and T-Mobile are on GSM. Most of Europe uses GSM and so does China. In India, Hutch, Bharti and BSNL are on GSM whereas Reliance and Tata Tele are on CDMA networks.

TracFone Wireless utilizes the AT&T, T-Mobile and Claro networks for GSM phones and Verizon and Sprint for the CDMA models.  HSN Optimus V customers are on the Spint CMDA network.

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Its Official

Its official. I am now officially one of those people you see with their cell phones sitting down at a public place with my eyes fixated on the screen swiping and texting away. I am so focused that I am oblivious to the reality occurring just outside my focal point and peripheral vision.

I couldn't comprehend how anyone could be so engrossed in mundane correspondence and ingestion of audio and visual stimuli that they would be so oblivious to their surroundings and walk into a fountain or a pole or succumb to Hulu's alien plot to turn our brains into mush and take over the world. "Klaatu barada nikto"  Roger That.

Klaatu Barada Nikto

Whats a QR Code

QR (Quick Response) Code. A QR code is one of the most popular types of two-dimensional matrix type barcodes. Invented by the Toyota subsidiary Denso Wave in 1994 to track vehicles during the manufacturing process. Designed to allow its contents to be decoded at high speed. Scan the QR code and it can display the item, tell you pricing, take you to a website, display a business card, or even display the following.

You will need a scanner app to read the above. Don't have one go to Google Play and download barcode scanner for free.