Glossary terms beginning with D

D AMPS

Also known as: Digital Advanced Mobile Phone Service, DAMPS Digital Advanced Mobile Phone Service (DAMPS or D-AMPS) is a second generation, digital version of the AMPS (Advanced Mobile Phone Service) cellular telephone system. DAMPS was developed…

D-Pad

A circular- or square-shaped pad that provides navigation keys for the four directions up down left and right These are the equivalent of the arrow keys on a computer keyboard and are used for...

DAMPS

Also known as: D-AMPS, Digital Advanced Mobile Phone Service Digital Advanced Mobile Phone Service (DAMPS or D-AMPS) is a second generation, digital version of the AMPS (Advanced Mobile Phone Service) cellular telephone system. DAMPS was developed…

Data Synchronisation

Data synchronisation is the process of updating data over a network. Data Synchronization often applies to data stored on a mobile device. Data Synchronisation works two ways-you can either update data stored on a mobile device,…

dB

Also known as: Decibel Decibel (dB) is a unit of measurement based on the logarithmic scale. Decibels are used to define an increase or decrease in the power of sounds and electrical signals, and the term…

DC-HSDPA

HSDPA technology has its limits and to further enhance its performance the DC-HSDPA technology was introduced An advanced HSDPA network can theoretically support up to 28 Mbit s and 42 Mbit s with...

Decibel

Also known as: dB Decibel (dB) is a unit of measurement based on the logarithmic scale. Decibels are used to define an increase or decrease in the power of sounds and electrical signals, and the term…

Defence Evaluation and Research Agency

Also known as: DERA Defence Evaluation and Research Agency (DERA) separated into two organisations on 2 July 2001. As a result of this reorganisation a new company QinetiQ was formed, whose business includes the field of…

DERA

Also known as: Defence Evaluation and Research Agency Defence Evaluation and Research Agency (DERA) separated into two organisations on 2 July 2001. As a result of this reorganisation a new company QinetiQ was formed, whose business…

Digital Advanced Mobile Phone Service

Also known as: D-AMPS, DAMPS Digital Advanced Mobile Phone Service (DAMPS or D-AMPS) is a second generation, digital version of the AMPS (Advanced Mobile Phone Service) cellular telephone system. DAMPS was developed in the USA, and…

Digital Zoom

Zoom is a feature common among cameras and is used to make the subject appear closer Cameras on mobile phones often have a zoom feature as well but most often it is digital zoom Digital zoom is...

Display type

There are lot of display types used in mobile phones They can be either color or monochrome Monochrome displays on the other hand can be alphanumeric or graphic Alphanumeric displays can show only...

DLNA

DLNA refers to both an organization and the technology they created The DLNA standard is used for sharing music photos and video over an existing home network For example by using DLNA you could...

DNSe

DNSe or the Digital Natural Sound engine is a DSP audio enhancement technology developed by Samsung in 2003 and further on implemented throughout many of their product lineups - from TVs and DVD...

Dots per Inch

Also known as: dpi dpi (Dots per Inch) is a measure of a display screen's resolution or sharpness, which indicates its ability to present images of a given quality. The higher the dpi, the more dots…

Double cell Super Twisted Nematic

Double-cell Super Twisted Nematic displaysenhance the STN LCD by placing cells on top of each other. This offers a true black and white display instead of the near-black and near-white levels typically found in standard…

Downlink

Also known as: Forward Link Downlink (Forward Link) is the term used to describe the direction of data transmissions from the network BS (Base Station) to the subscriber's MS (Mobile Station). Uplink (Reverse Link) is the…

dpi

Also known as: Dots per Inch dpi (Dots per Inch) is a measure of a display screen's resolution or sharpness, which indicates its ability to present images of a given quality. The higher the dpi, the…

Drawing area

Drawing area is the section of a phone's screen that is used for the drawing and displaying of logos. It's usuallybetween signal and battery strength bars, and below the clock, although the exact layout varies from…

DRM

Manages the use of copyright-protected data such as music, graphics, videos etc. For example, DRM can prohibit you sending a downloaded media file to other media such as CD, DVD, or even PC.

DSTN

DSTN is the abbreviation of Dual Scan Super-Twisted Nematic and should not be confused with the old Double Layer STN. This technique is almost equal to STN, but a DSTN display is cut in two. …

DTMF

Also known as: Dual Tone Multi-Frequency Dual Tone Multi-Frequency (DTMF), also known as 'Touchtone', is the type of signalling now used by all modern telephony equipment. DTMF is the name given to the system of audible…

Dual band

A mobile phone that supports Dual band can work with both the GSM900, as with the GSM1800 network. With a dual band mobile phone phone calls can be made in a large part of the world,…

Dual mode

dual mode

Dual scan Super Twisted Nematic

Dual-scan Super Twisted Nematic displays are an improved version of the basic STN LCD. They are formed by placing two displays next to each other and scanning each as a separate entity (hence dual-scan) which…

Dual Tone Multi Frequency

Also known as: DTMF Dual Tone Multi-Frequency (DTMF), also known as 'Touchtone', is the type of signalling now used by all modern telephony equipment. DTMF is the name given to the system of audible tones generated…

Dual Voltage Reduced Size MMC memory card

This memory card is a special type of Flash memory that has similarities with a MMC memory card. The only difference is that the MMC memory card is half the size of this this type of…

Dual-band

Mobile phone networks work using signals on specific frequency bands and a phone must support those bands in order to work with the network Dual-band refers to the phones ability to work with two...

Dual-Mode

A dual-mode phone is a phone capable of sending/receiving data in two different ways. For example, a dual-mode phone could support both GSM and CDMA.

Dual-SIM

This specifies whether a device is capable of supporting two SIM cards The two major types of dual-SIM phones are active and standby Dual-SIM Standby DSS requires the user to specify which of the...

DVB-H

A European standard specifically for the broadcasting of television content to hand-held devices based on DVB-T As of 2007 live trial runs of DVB-H have started in many European countries as well...

Dynamic font size

Dynamic font size means that multiple fonts can be chosen from. …

Dynamic memory

Dynamic memory means that the available memory is used by multiple applications of the mobile phone. When an application is used, less memory becomes available for other functions that are also depending on the dynamic…