A dock connector is a connector used to attach a mobile electronic device simultaneously to multiple external resources. The dock connector will typically carry a variety of signals and power, through a single connector, to simplify the process of docking the mobile device. A dock connector may be embedded in a mechanical fixture used to support or align the mobile device or may be at the end of a cable.
The dock connector was originally associated with laptops, but other mobile devices use the concept.
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Laptops
Docking connectors for laptop computers are usually embedded into a mechanical device that supports and aligns the laptop and sports various single function ports and a power source that are aggregated into the docking connector. Docking connectors would carry interfaces such as keyboard, serial, parallel, and video ports from the laptop and supply power to it.
Iphone Docking Station With Speakers Best Buy Video
Mobile devices
Many mobile devices feature a dock connector.
Dock connector can be used to interface with accessories such as external speakers, including stereo systems and clock radios. Automotive accessories for the mobile devices include charging cradles, FM transmitters for playing audio through the car's speakers and a GPS receiver. There are dock connector cables that offer additional capability such as direct integration with the car's audio system and controls.
Apple 30-pin dock connector
Apple's proprietary 30-pin connector was common to most Apple mobile devices (iPhone (1st generation), iPhone 3G, iPhone 3GS, iPhone 4, iPhone 4S, 1st through 4th generation iPod Touch, iPad, iPad 2, and iPad 3) from its introduction with the 3rd generation iPod in 2003 until the Lightning connector was released in late 2012. Originally, the Apple dock connector carried USB, FireWire, some controls and line-level audio outputs. As the iPod changed, so did the signals in the dock connector. Video was added to the connector. FireWire was phased out of the iPods, which led to a discontinuity in usage of the dock connector. As a result of the popularity of Apple's iPod and iPhone devices using the connector, a cottage industry was created of third-party devices that could connect to the interface. With the discontinuation of the sixth-generation 160 GB iPod Classic and the iPhone 4S, the last Apple products to feature the original 30-pin connector, the connector was also discontinued in September 2014.
Apple Lightning connector
Apple introduced a 8-pin dock connector, named Lightning, on September 12, 2012. The iPhone 5 and later iPhone models, iPod touch 5th generation and later, seventh generation iPod nano, every iPad mini, iPad (4th generation) and later, and iPad Pro all use the Lightning connector, as do several Apple accessories. Apple Lightning connector pins can be accessed from both sides of the connector allowing insertion with either side facing up. The Lightning connector replaced the 30-pin dock connector used by previous generations of iPods, iPhones, and iPads.
Samsung 30-pin dock connector
The Samsung Galaxy Tab and Galaxy Note 30-pin dock/charging connector is very similar to - although not identical with - the non-proprietary PDMI connector. It is unrelated to the Apple 30-pin connector.
Korean standard cellular phone 24-pin and 20-pin dock connectors
The 2001 Korean Telecommunications Technology Association (TTA) "Standard on I/O Connection Interface of Digital Cellular Phone" defined a 24-pin electromechanical interface specifications for cellular phone charging, wired data communication, analog audio, etc. The 2007 updated version has only 20 pins but added composite video output support among other changes.
Portable Digital Media Interface (PDMI)
The Portable Digital Media Interface (PDMI) is a 30-pin interconnection standard for portable media players. It was developed by the Consumer Electronics Association as ANSI/CEA-2017-A, Common Interconnection for Portable Media Players in February 2010. The standard was developed with the input or support of over fifty consumer electronics companies worldwide.
Other dock connectors
- Cowon iAudio 22-pin dock connector
- Creative Zen 30-pin dock connector
- iRiver 18-pin dock connector
- Le Pan 30-pin dock connector
- Microsoft Zune 24-pin dock connector
- Olympus m:robe series 18-pin dock connector
- Panasonic D-snap port (24-pin)
- Philips GoGear 30-pin dock connector
- SanDisk Sansa 30-pin dock connector
- Sony NW-A1000/3000 42-pin multi-connector
- Sony Walkman WM-Port 22-pin dock connector
- Tatung Elio 26-pin dock connector
- Toshiba Gigabeat 40-pin dock connector
Source of the article : Wikipedia
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