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Articles 1 - 4 of 4
Full-Text Articles in Computer Engineering
Inventions On Gui For Eye Cursor Controls Systems, Umakant Mishra
Inventions On Gui For Eye Cursor Controls Systems, Umakant Mishra
Umakant Mishra
Operating a GUI through eyeball is a complex mechanism and not used as often as mouse or trackball. But there are situations where eye-mouse devices can play a tremendous role especially where the hands of the user are not available or busy to perform other activities. The difficulties of implementing an eye-cursor control system are many. The article illustrates some inventions on eye-cursor control system, which attempt to eliminate the difficulties of the prior art mechanisms.
Keyboards For Inputting Japanese Language: A Study Based On Us Patents, Umakant Mishra
Keyboards For Inputting Japanese Language: A Study Based On Us Patents, Umakant Mishra
Umakant Mishra
The most commonly used Japanese alphabets are Kanji, Hiragana and Katakana. The Kanji alphabet includes pictographs or ideographic characters that were adopted from the Chinese alphabet. Hiragana is used to spell words of Japanese origin, while Katakana is used to spell words of western or other foreign origin.
Two methods are commonly used to input Japanese to the computer. One, the “kana input method” that uses a keyboard having 46 Japanese iroha (or kana) letter keys. The other method is “Roma-ji input method”, where the Japanese letters are composed of English input from a standard QWERTY keyboard. Both the methods …
10 Inventions On Reducing Keyboard Size, Umakant Mishra
10 Inventions On Reducing Keyboard Size, Umakant Mishra
Umakant Mishra
A conventional computer keyboard consists of as many as 101 keys. The keyboard has several sections, such as text entry section, navigation section, and numeric keypad etc. and each having several keys on the keyboard. The size of the keyboard is a major inconvenience for portable computers, as they cannot be carried easily. Thus there are certain circumstances which compels to reduce the size of a keyboard. Reducing the size of a keyboard leads to several problems. A reduced size keyboard may not contain all the keys available on a full size keyboard; a reduced size keyboard may not be …
10 Inventions On Keyboard Attachments: A Triz Based Analysis, Umakant Mishra
10 Inventions On Keyboard Attachments: A Triz Based Analysis, Umakant Mishra
Umakant Mishra
Although the primary objective of the keyboard to input data into the computer, the advanced keyboards keep various other things in mind, such as, how to use the same keyboard for various other purposes, or how to use the same keyboard efficiently by using various other attachments to the keyboard. This objective led to various inventions on keyboard attachments, some of which are illustrated below in this article. This article illustrates 10 inventions on various keyboard attachments from US patent database. Each different attachment improves the usability of the keyboard in some way or other. Some attachments illustrated are template …