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Digital video cameras are quite popular these days, but they are virtually useless when they run out of battery power. There is a big difference between an okay digital video camera battery and the best one for your model. Before shopping for the finest battery available, first check the instruction manual to find out the … Read more

Free mobile tones can be a good way to make the typically mundane experience of answering your phone a more fun and exciting experience. It can also enable you to listen to your favorite song at unexpected moments, or replace standard sounds to make your phone unique. If you don’t want to spend money on … Read more

A UV filter is a substance that prevents ultraviolet (UV) light from passing through. In sunscreens, these chemicals and particles are combined in a lotion or spray to block harmful light from reaching the skin and causing cell damage. In photography, a UV filter is a camera accessory placed over the lens to stop UV … Read more

Cable digital TV is a method of broadcasting television to a viewer’s home through an entirely physical connection. Its benefits include more channels and better picture quality. Unlike analog TV, it allows two-way communication down a single cable, making added services possible. The most marketed benefit of cable digital TV is that it carries more … Read more

Protecting your home or business with a surveillance system is a good idea. However, choosing the right security camera software can be somewhat confusing. Ideally, software should contain all the components necessary to capture both images and voice. In addition, security camera software should be easy to operate. Software that does not contain audio captioning … Read more

When you are trying to choose the best text pager, the display screen may be an important factor. You will likely prefer a pager that provides a backlit display bright enough to be seen in a darkened room or car. When shopping for text pagers, you may also consider one with a screen that will … Read more

A wireless battery charger typically uses inductive coupling to transmit power to one or more devices. Some chargers will work with a single device, while others can couple with a number of different gadgets at the same time. Choosing the best wireless battery charger may depend on how many devices you would like to charge … Read more

Beginning in the early 1980s, video cassettes and video cassette recorders, or VCRs, were the top-of-the-line way to store and watch video content, and the majority of films released were sold in the form of “video home system,” or VHS, tapes. By 2000, however, digital video had made a strong entry into the market, and … Read more

Stereo Bluetooth headsets have become essential gizmos for many people who are constantly on the go. Being able to receive phone calls hands-free, with the added functionality of listening to high-quality music from one’s stereo system, digital media player or computer in stereo sound, has made it a must-have gadget for savvy professionals and many … Read more

Taking telephone calls is often time consuming for businesses, and it is generally difficult to have someone available at all times to answer a phone. Getting calls to the right person is also important for companies. A voicemail auto attendant functions like a greeting, but is usually able to route calls to a specific person, … Read more

A cell phone charging station can be a helpful item to have whether you are using it at home or work. Its main objective is to keep all of your electronics, including cell phones, PDAs and cameras neat and organized while they are charging. In addition, it keeps them stationary and localized so you can … Read more

Transcription machines are specially designed voice recording and word processing units that allow information managers to transfer spoken word to written text. These machines, also commonly referred to as transcribers or dictation machines, are generally utilized by professionals in the health care, legal, business, journalism, education and research industries. Transcription machines allow for easy recording … Read more

Capacitors are common components in electronic circuits. They block the effects of direct current but allow the effects of alternating current, thus giving them many uses, such as filtering noise and smoothing electrical signals. A surface mount capacitor lacks traditional wire leads. Instead, it has metallic ends that can be soldered directly onto circuit boards. … Read more

TV tuner software is used alongside a plug-in hardware device to receive over-the-air or cable television signals on a computer. The two main roles of TV tuner software are to decode the signal into a television broadcast, and to record programs to a hard drive for watching later. To choose the best software you’ll need … Read more

An open source image editor is a computer program that is offered to the public for free under a special license and allows the user to change the format and features of digital image files. Image editors are indispensable to the personal and professional use of computers. Open source versions of this type of program … Read more

An autocollimator is a device used to measure small angles with extreme precision. There are a number of applications for this type of equipment, especially in the sciences, where exact measurements are critical for a number of tasks. They can be used to collect observations, calibrate scientific equipment, measure experimental results, and guide telescopes and … Read more

A compact home theater system is an electronic device that, in a single unit, is able to emulate all the features of a home theater: film display, multi-dimensional sound, and music playback, to name a few. Most of the time, the unit is portable. It gives owners the flexibility of bringing deluxe-quality sound and display … Read more

3-way video conferencing allows people in three different locations to communicate with each other in real time. This type of conferencing specifically refers to video conferencing that is conducted from three different locations and from three different computers. The development of fast Internet connections and inexpensive video and sound recording equipment has made 3-way video … Read more

Choosing the best designer headphones is a matter of personal choice, prevailing fashion, the pains of a budget and technological compatibility. The latter is only useful if you’re intending to use them to listen to music as well as to look good. When choosing the best designer headphones or the best designer anything, be aware … Read more

A holographic grating is a pattern formed on a film by lasers used to diffract light, or separate light into its various wavelengths. Diffraction products are used in spectroscopy and astronomy where incoming light must be expanded or diffracted to show its spectrum. Spectroscopy is the science of using light to determine the chemical composition … Read more