That initial venture was not fruitful, and Mr. Devol turned his inventor's hand to making devices that open doors automatically and other devices using machine controls.
On the other hand, making the stress using some devices such as an air bag is not in use, these devices do not make sufficient stress.
Many online retailers had visions of holiday shoppers lounging beneath the Christmas tree with their mobile devices in hand, making purchases.
The cuffed pharyngeal tube (CPT) is a hand-made device designed to maintain upper airway patency during anaesthesia.
On one hand, this makes the device as compact as possible and GoPro cameras have never relied on built-in screens.
Meanwhile the Phraselator, a hand-held device made by VoxTec of Annapolis, Maryland, lets soldiers maintain eye-contact when conversing with non-English speakers.
But questions quickly arose when photos showed searchers using a commercially available $16,000 hand-held device, made in the United States, dangled over the side of the boat.
The concept of add-on applications long predates the iPhone; for a decade, hand-held devices made by Palm have had software as diverse as a bartending guide or a renal artery stenosis calculator for doctors.
Importantly, OPS imaging technology can be incorporated easily into a small hand-held device making it ideal for monitoring at the bedside.
Sony and other console makers Nintendo Co Ltd and Microsoft Corp now have to contend with competition from hand-held devices made by Apple Inc, Samsung Electronics and others.
Electronics company Innergie was on hand to make sure personal electronic devices never run out of power with such products as the Pocket Cell rechargeable battery bank and the LifeHub, a 3 USB Power Hub among others.
