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Remote Fob

Remote Controls and How They Work

LED lights are basic components of IR (infrared) remote controls, in fact one of the first applications of light emitting diodes. IR remote controls are part of our daily lives, they are the most common solution for TV, DVD or a HIFI system, where signals do not have to travel long distances. But how does it work, and what exactly does it have to do with LEDs?
IR or infrared light is an electromagnetic radiation invisible to the eye. This is due its wavelength which is longer than visible lights'. The basic idea behind the operation of the IR remote is that the control, containing one or two LEDs sends a signal – an infrared radiation – decoded by the receiver. The components of a remote control are the buttons, an integrated circuit, the button contacts and the LED. Once a button is hit, it touches via its contact a certain part of the circuit which makes the LED release a beam of light (an infrared radiation focused to a beam by a plastic lens). This beam is an encoded data, a sequence of on and off modes, which is decoded by the receiver by converting the infrared radiation to an electric current. Each button has a different code released, which also depends on the make of the device.
One of the main advantages of IR remote controls is their easy and relatively inexpensive application. Their short range is often looked at as a disadvantage (you need to be near the device to be able to operate it), however in most applications, it is not necessary to be any further – we are usually in front of the telly anyway when we want to operate it. Another slight disadvantage is that they are directional, so the control needs to be pointed exactly towards the receiver to be able to operate it. This is due to the low intensity of light the remote control emits, and this can easily be improved if the remote control includes two LEDs for sending signals. That broadens and strengthens the signal, so pointing does not have to be that punctual. IR remotes also need line-of-sight to communicate, so the signals don't go through walls or corners. This can actually be an advantage as well, as separate remotes won't interfere with each other in nearby rooms. Infrared light would actually be easy to interfere, as sunlight, fluorescent bulbs and even the human body emits some infrared light. These are excluded by filters that block lights at other wavelengths than the controller's.

An alternative solution for remote controls is the RF or radio frequency remote control, which uses radio waves instead of light waves to transfer signals. The main advantage of the RF control is that you do not have to be in line-of-sight to operate the application, and it also transmits through walls, which means you can hide the receiver for instance in a cabinet or behind a piece of furniture. Communication also transmits from larger distances than an IR control. On the other hand, this is not the best solution for televisions for instance, which can be found in several rooms of a house. This technical solution is also somewhat more expensive. RF controls are common for garage door openers, gate openers, car-alarm fobs or satellite TV receivers. Bluetooth communication is also a form of transferring data common in cell phones

About the Author

LEDcentre.uk.com is a company that offers a wide range of low and main voltage, eco-friendly, energy efficient and cool running LED lights, like car lights, LED GU10, LED MR11, LED MR16, G4 LEDs and B22/E27 light bulbs and flexible water proof LED strip lights ideal for homes, offices, shops, boats or caravans. For more information, visit their site at http://www.ledcentre.uk.com/275-indoor-led-strip-lights.html

HAI 48A001 Button Key Fob Remote Control $53.29 Can be programmed to control any HAI controller featureRequires an HAI 64zone wireless receiver

Key Fob Remote Control for Tattletale Mobile Alarm System $150 One button control in the palm of your hand. The Keychain Remote Control can be used to arm or disarm your system or send a panic signal from up to 2000 feet away from the tattletale depending on structures and objects in-between. The 3.0V Lithium Battery that is included will typically last for 3-5 years. *Requires TattleTale Base unit or starter kit below *See PDF for system overview

Clipper / Clipper MOBi Fob / CLZ-FOB $81.47 Clipper - Clipper MOBi Fob - CLZ-FOB

Key Fob Micro Digital Video Camera Plus DVR $159.99 Tested and proven by agencies nationwide! This covert car remote key fob is easy to use and wear. Simply attach to your keys via key ring. It includes a DVR for self-contained recording and storage. Utilize the voice activated recording for covert operations. Lightweight & unobtrusive, this camera won't get in the way - but will provide you with valuable evidence when you need it most.*No special software needed - JPEG and AVI formats are supported by most media players.

Key Fob $1.99 Pro Taper Key Fob Stop losing your keys and?sport your favorite company's logo?with this fashionable key fob. 3-D Double Sided

Titanic Watch Fob $24.99 Titanic Watch Fob - Photographic Print

LED Accent Light Remote Control $29.95 Custom Dynamics LED Accent Light Remote Control Includes one key fob and brainbox plus built-in 3-amp fuse and harness Allows you to turn your LEDs on or off from up to 100 feet away

See by Chloe Gavi Key Fob $60 See by Chloe Gavi Key Fob

FOB Doc $22.95 Military doctors serving in Afghanistan usually spend their entire tour in the relatively safe confines of the main base. FOB Doc is the story of one Canadian doctor who spent nearly his entire tour in combat. Captain Ray Wiss was stationed at Forward Operating Bases — FOBs — in Khandahar province, the birthplace of the Taliban and the most intense zone combat in Afghanistan. He shares the 'terror and boredom' of the front-line soldier's life in this candid personal diary. One day, he might be participating in combat operations, treating severe and bloody injuries and coping with the deaths of fellow soldiers, both Afghans and NATO allies; another day, he might be writing about the challenges of going to the latrine in sub-zero weather. FOB Doc is heartbreaking and hilarious, often on the same page.

AUTOLOC POWER ACCESSORIES 17033 Clear 4 Button Remote Face Plate with Buttons $25.54 Clear key fob case. Unique and attractive as is' or can be painted on the inside of remote in custom color. 4 Button Remote Face Plate. Standard Buttons.

Coin Fob $9.99 Kerusso Christian Jewelry

Fob Frame $1.9 This elegant watercolor invitation features a striped black and white border with an intricate golden frame. Bright white enclosure cards are available.

Top Gear Leather Fob $17.95 Top of the range British, hand-made leather key fob with 'TopGear' logo embossed on one side.Comes in stylish presentation box with TG logo printed in silver.

My Mom is a Fob $11.99 Fob (noun)-derived from the acronym F.O.B. ("fresh off the boat") Does your mom still make Peking duck instead of turkey on Thanksgiving, own a giant cleaver, or take twenty-four more napkins than she needs at Chipotle? Your mom may be a fob. Through their hit blog "My Mom Is a Fob," Teresa and Serena Wu have seized ownership of this formerly derogatory term, applying it instead to the heartfelt, hilarious, and thoroughly unique ways that Asian mothers adapt to American culture, from the perspective of those who love them most: their children. Through texts, emails, phone calls, and more, My Mom Is a Fob showcases the stories of a community of Asian-American kids who know exactly what it's like to be on the receiving end of that amazing, unconditional, and sometimes misspelled love. It's about those Asian mothers who refuse to get in the car without their sun-protective arm sheaths, the ones who send us passive-aggressive text messages "from the dog" in hopes that we'll call home, and email us unsolicited advice about everything from homosexuality to constipation. In these pages you'll find solace in the fact that thousands of moms out there are as painfully nosy, unintentionally hilarious, and endearingly fobby as yours is.

TRAC Outdoor Products T10116 Wireless Remote Kit $67.49 Compact key fob control allows pushbutton anchor operation from any location. High quality components. Satisfaction ensured. Huge selection to choose from.

Mini Hearts Key Fob $54 Add bling to your keys with goldtone hardware and colorful heart charms in pink and red. A goldtone hook allows you to attach this sparkling key fob to a bag or belt loop so it won't ever get lost. Signature box included.

Leather Key Fob $68 True style is in the details. Give your look the finishing touch it needs with this elegantly practical key fob, featuring a springlock hook for attaching other key rings or for keeping track of them. Gift box and dust bag included. Made in Italy.

Twisted Leather Key Fob $85 True style is in the details. Give your look the finishing touch it needs with this elegantly practical twisted key fob, featuring a springlock hook for attaching other key rings or for keeping track of them. Gift box and dust bag included. Made in Italy.

FOB Wedding Cap by CafePress $17 FOB Cap Wedding Cap . Our adjustable, 100% brushed cotton Cap is unstructured and an ideal way to beat the heat. Wear it anytime you want to keep the sun off or cover up a bad hair day. It features a sturdy low profile brim, sweatband, and adjustable closure, as well as Pre

My Mom Is a Fob (Paperback) $33.16 Based on the popular website mymomisafob.com, this collection of reader-submitted texts, emails and photos lovingly pokes fun at parents who are ?fresh off the boat? from Asia including sections on ?Fob fashion,? ?communication barriers? and ?technological shortcomings.? Original.

High Sierra Remote Briefcase $59.95 Ideal for all the electronics your business day demands, our roomy, rugged Remote bag offers lots of storage in a small space. Its padded computer sleeve houses most 15" notebooks, while a smart, zip-down organizer compartment has room for everything else: a PDA, cell phone, business cards and keys. Add in our ADD-A-BAG system, which makes the case easy to slip over the handle of a wheeled upright, and Remote is an equally indispensable business partner whether youre close to home or far away.Padded computer sleeve fits most 15" (screen size) notebook computers (max size 14.5" x 11.25" x 1.5")Dedicated PDA and cell phone pockets are integrated into the organizer compartment and provide both easy-access and maximum protectionThe deluxe organizer also features a large, open pocket, business card pocket, pen slots and a key fobAdjustable/removable shoulder strap and shoulder pad with neoprene cushion and NO-SLIP stripADD-A-BAG system on the back panel allows the ba Type: Briefcases Color: Lava Color Mapping: Red Gender: Unisex

Five Function Key Fob Watch $39.98 Talk about multi-tasking, this Key Fob Watch comes with a quartz watch, flip-out magnifier, compass, thermometer, sailor snap clip, nylon fob and bright blue LED light. Packaged in a beautiful, metal tin 2-piece box, it measures 5¼" long.

Royce Leather Valet Key Fob $9.6 This sturdy, top grain leather double key fob detaches on one side to make valet parking a snap (does not come embossed with Lexus, that is for example only.)

Georgia Economy Leather Fob Keychain $4.99 This leather key fob has a unique rubber feel. Features a basic domed decal logo that makes this a must have keychain for any fan

Indiana Economy Leather Fob Keychain $4.99 This leather key fob has a unique rubber feel. Features a basic domed decal logo that makes this a must have keychain for any fan

Lucky Line Lucky Line Ford Remote Skin 48801 $5.31 Ford remote skin Remote Skins protect, customize and repair your car remote Made of soft, water-resistant neoprene which limits fraying Tough, clear vinyl window provides high visibility of remote buttons Slip the cover over a broken remote to make broken remotes usable again Available in 3 models: Ford, GM, and Universal (fits most Toyota and Honda remotes) Black Ford, 1-3/4? W. x 2-1/8? L. x 1/2? D Brand #: Lucky Line 48801 UPC: 085721488016 Keywords: car remote skin key fob protector cover

Lucky Line Lucky Line Gm Remote Skin 48901 $5.31 Gm remote skin Remote Skins protect, customize and repair your car remote Made of soft, water-resistant neoprene which limits fraying Tough, clear vinyl window provides high visibility of remote buttons Slip the cover over a broken remote to make broken remotes usable again Available in 3 models: Ford, GM, and Universal (fits most Toyota and Honda remotes) Black GM, 1-7/8? W. x 2-3/8? L. x 1/2? D Brand #: Lucky Line 48901 UPC: 085721489013 Keywords: car remote skin key fob protector cover

Lucky Line Lucky Line Universal Remote Skin 49001 $5.31 Universal remote skin Remote Skins protect, customize and repair your car remote Made of soft, water-resistant neoprene which limits fraying Tough, clear vinyl window provides high visibility of remote buttons Slip the cover over a broken remote to make broken remotes usable again Available in 3 models: Ford, GM, and Universal (fits most Toyota and Honda remotes) Black Universal, 1-3/4? W. x 3? L. x 1/2? D Brand #: Lucky Line 49001 UPC: 085721490019 Keywords: car remote skin key fob protector cover

Cream Textured Leather Key Fob $65 Moreschi's handsome key fob showcases luxe cream-hued textured leather accented by a gunmetal signature ring for sophisticated organization. Signature dust bag and box included, Made in Italy.

Constant Quartz Nurses Fob Watch. $9.99 Looking for a convenient way to check the time? The Constant Quartz Nurses Fob Watch is a fantastic device for nurses with busy working lifestyles. This fob watch has a clear and crisp dial perfect for fast and efficient use, as well as including a sterile metal strap and an easy to apply pin fastening.Luminous hands and numbers with a red second hand.White dial.Alloy case.Metal strap.Pin fastening.Manufacturer's 5 year guarantee.

Notre Dame Economy Leather Fob Keychain $5.83 Notre Dame Economy Leather Fob Keychain This leather key fob has a unique rubber feel. Features a basic domed decal logo that makes this a must have keychain for any fan

BLVD Leather Pebble Flirt Key Fob $25.6 Soft pebbled leather key fob. Perfect size for change or to use as a pill case

Royce Leather Pink Heart Key Fob $9.6 Pink Heart Shaped Genuine Leather Key Fob with recessed engraving plate ideal for personalizing Initials

Doctor Who The Master's Fob Watch $49.99 Time is of the essence! Get time on your side with The Master's Fob Watch! Engraved metal Doctor Who -inspired timepiece. Features a light-up feature and solid chain. In the immensely popular sci-fi TV series Doctor Who, time is of the essence. Now you can have time on your side with this ultra-cool Doctor Who Master's Fob Watch! The engraved metal timepiece has a light-up feature and solid chain for sturdiness. Don't delay. Order yours today! Requires 2x "SR626" batteries (included) and measures about 2-inches in diameter. Size: Small Color: Silver