search the articles directory
old Electronics and communication articles
Description of some of the Advanced features of Mobile Phones - ...r are
unable to say. Since no carrier was able to make an October
2001 deadline to fully implement E-911, the FCC issued
waivers permitti...
Investing in Technology Infrastructure - ...e traffic and has served well for the last 50 years. But, the information age is placing new demands on this system-demands that it cannot readily...
HOW TO DEVELOP AN INTERVIEW SCHEDULE - ... controversial issues until the
end – ask about experience and behaviour before
asking about opinion and feelings. Move from general
to...
Wireless Attacks ~ War Driving - ...g tactic known as war dialing. War dialing involves dialing all the phone numbers in a given sequence to search for modems. In fact, this method of ...
How To Get Photo Quality Prints - ...h;instead of dropping off a roll of film while running your errands, you leave them your memory card instead.
You can also order prints throu...
Wireless Privacy Protocols ~ WEP detailed - ...ther Internet applications that require security, such as Secure Sockets Layer (SSL). SSL is the most common protocol used by online stores to e...
Wireless Attacks ~ Rogue Access Points - ...k. Needless to say, heads rolled.
Rogue access points are becoming a major headache in the security industry. With the price of low-end ac...
Wireless Network Protocols ~ Advantages and Disadvantages of Bluetooth - ...nt. On the other hand, IrDA permits a seamless connection between devices without the need for extra configuration. However, their usability is de...
Wireless Network Protocols ~ Understanding HomeRF and IrDA - ... standard with the six voice channels based on Digital Enhanced Cordless Telecommunications (DECT). In other words, the home network included both ...
The Main Protocols used by Mobile Phones (SMS EMS MMS WAP) - ...Global System for Mobile
Communications (GSM) and later adopted by other mobile communication systems such as
Time Division Multiple Access (TDM...
WLAN Broadcasting ~ MiniStumbler ~ a wireless network scanner - ...ling MiniStumbler
MiniStumbler is a basic one-file program that simply needs to be downloaded, unzipped, and placed in the My Documents sha...
What is Advanced Mobile Phone Service (AMPS) - ...e capacity of AMPS.
Although AMPS or a variation of AMPS is still around—
chances are that your cellular phone allows you to switch
bet...
Cordless Telecommunications versus Cellular Phones ~ Advantages and Disadvantages - ... The systems are designed for a relatively low density of
users. In this environment, macrocellular technology provides
wide area coverage and t...
What are Cell Sites - ...in a cellular system, including radio towers, are connected
to a mobile telephone switching office (MTSO) by landline or
microwave links. The MT...
Standardized Protocols for Private Instant Messaging - ... IBM’s Lotus Software.
The Lotus-AOL test used a variation of Simple Implementation Protocol (SIP) known as SIP for Instant Messaging ...
How To Present a Digital Slideshow - ...mages that are stored on the memory card and present them on the television in timed intervals. All you have to do is turn on the stereo for some ba...
Concerns for Mobile Enterprises - ... protected.
Management: Effective management of the components that make up a mobile enterprise, all the way from servers to the ...
Short Introduction in Cellular Data Communications - ...s still analog. The medium
used to transport data consists of the idle radio channels typically
used for Advanced Mobile Phone System (AMPS) cel...
What is Code Division Multiple Access and its Features and Options - ...munication at the same data rate. This
results in the carrier wave looking more like random noise than
real communication between a sender and r...
Wireless Attacks ~ Client to Client Hacking - ...how to secure their computers, there is plenty of room to play here.
For example, an attacker can strike at a laptop that uses a wireless ...
Which are the basic Features and Options of a mobile phone - ...of frequently called
numbers to simplify dialing. Units may offer as few as 10
memory locations or in excess of 100, depending on model
...
Types advantages and disadvantages of antennas in wireless communication - ...work. Let's take a brief look at antenna technology, and how antennas relate to our radio frequency networks.
Antennas are merely an extensi...
Wireless Network Protocols ~ The 802.11a Versus 802.11b Standard - ...a does not work with 802.11b. This means a company would have to scrap everything and start from scratch.
In addition, because of a higher (...
Handheld Devices - ...ime.
Many companies are already developing high-end productivity applications for the PDA market. For example, the Pocket PC (which uses M...
How to Construct Your Live Wireless Equipment Test Lab - ...e your users will be.
When testing for access point placement in your environment, there are several factors you need to consider. These f...
Wireless Network Protocols ~ The 802.11 Standard - ...tute of Electrical and Electronics Engineers (IEEE) had set up a system by which new technologies could become certified. The IEEE's certification ...
Wireless Network Privacy ~ Advantages and disadvantages of RC4 Encryption - .... For example, the instructions you would follow to set up a VCR are considered an algorithm (although some might argue this). In reality, you per...
Facilitators of a Wireless Environment - ...carriers)
...
latest articles under "Batteries"
Navigation: Categories » Electronics and communication » Batteries
Below is a list of all Batteries articles. If you want to find a tutorial by keywords, all you have to do is a quick search in our directory. Just use the search option. The website search is powered by Google. But, if you want to read specific Batteries tutorial, just point to it. The newest articles and tutorials are shown first in the list. To access the last ones, browse the pages 2, 3, 4... at the bottom.
Page# 1 (last added articles shown first)
Enter page# 1 (last added articles shown first)
Below is a list of all Batteries articles. If you want to find a tutorial by keywords, all you have to do is a quick search in our directory. Just use the search option. The website search is powered by Google. But, if you want to read specific Batteries tutorial, just point to it. The newest articles and tutorials are shown first in the list. To access the last ones, browse the pages 2, 3, 4... at the bottom.
Page# 1 (last added articles shown first)
Charging the Nickel Cadmium Battery (01/27/2007)
... A slight capacity peak is observed between 100 and 300 cycles...
... A slight capacity peak is observed between 100 and 300 cycles...
Charging the Lead Acid Battery (01/22/2007)
... The third stage is the float charge, which compensates for the self-discharge after the battery has been fully charged...
... The third stage is the float charge, which compensates for the self-discharge after the battery has been fully charged...
Advantages and disadvantages of the Lead Acid Battery (01/17/2007)
... (Engineers may argue that the word ‘sealed lead acid’ is a misnomer because no lead acid battery can be totally sealed...
... (Engineers may argue that the word ‘sealed lead acid’ is a misnomer because no lead acid battery can be totally sealed...
The Lithium Ion Battery (01/17/2007)
... A large quantity of rechargeable lithium batteries sent to Japan had to be recalled in 1991 after a battery in a mobile phone released flaming gases and inflicted burns to a person’s face...
... A large quantity of rechargeable lithium batteries sent to Japan had to be recalled in 1991 after a battery in a mobile phone released flaming gases and inflicted burns to a person’s face...
Advantages and Limitations of the Lithium Polymer Battery (01/14/2007)
... Such innovative batteries are still a few years away, especially for the commercial market...
... Such innovative batteries are still a few years away, especially for the commercial market...
Advantages and Disadvantages of Supercapacitor (12/31/2006)
... The one using high surface area activated carbons is the most economical to manufacture...
... The one using high surface area activated carbons is the most economical to manufacture...
Advantages and disadvantages of the Nickel Cadmium (NiCd) Battery (12/26/2006)
... A periodic full discharge is so important that, if omitted, large crystals will form on the cell plates (also referred to as 'memory') and the NiCd will gradually lose its performance...
... A periodic full discharge is so important that, if omitted, large crystals will form on the cell plates (also referred to as 'memory') and the NiCd will gradually lose its performance...
Advantages and disadvantages of the Nickel Metal Hydride (NiMH) Battery (12/21/2006)
... There is potential for yet higher capacities, but not without some negative side effects...
... There is potential for yet higher capacities, but not without some negative side effects...
Types of Chargers (12/20/2006)
... Many third party manufacturers are prepared to build low quantities of custom chargers...
... Many third party manufacturers are prepared to build low quantities of custom chargers...
Charging the Nickel Metal Hydride Battery (12/16/2006)
... The popularity of the NiMH battery has introduced many innovative charging techniques...
... The popularity of the NiMH battery has introduced many innovative charging techniques...
Advantages and limiations reusable Alkaline Batteries (11/03/2006)
... The longevity of the reusable alkaline is a direct function of the depth of discharge; the deeper the discharge, the fewer cycles the battery can endure...
... The longevity of the reusable alkaline is a direct function of the depth of discharge; the deeper the discharge, the fewer cycles the battery can endure...
Information about ultra fast Chargers (08/27/2006)
... Based on pulse charge technology, these chargers intersperse one or several brief discharge pulses between each charge pulse...
... Based on pulse charge technology, these chargers intersperse one or several brief discharge pulses between each charge pulse...
Enter page# 1 (last added articles shown first)