A barcode is an optical machine-readable representation of data relating to the object to which it is attached. Originally barcodes systematically represented data by varying the widths and spacings of parallel lines, and may be referred to as linear or one-dimensional (1D). Later they evolved into rectangles, dots, hexagons and other geometric patterns in two dimensions (2D). Although 2D systems use a variety of symbols, they are generally referred to as barcodes as well. Barcodes originally were scanned by special optical scanners called barcode readers. Later, scanners and interpretive software became available on devices including desktop printers and smartphones.
Source: Wikipedia (https://en.wikipedia.org/wiki/Barcode)
- Big keys keyboard
- Biomedical engineering
Biomedical engineering (BME) is the application of engineering principles and design concepts to medicine and biology for healthcare purposes (e.g. diagnostic or therapeutic). This field seeks to close the gap between engineering and medicine, combining the design and problem solving skills of engineering with medical biological sciences to advance health care treatment, including diagnosis, monitoring, and therapy. Biomedical engineering has only recently emerged as its own study, as compared to many other engineering fields. Such an evolution is common as a new field transitions from being an interdisciplinary specialization among already-established fields, to being considered a field in itself. Much of the work in biomedical engineering consists of research and development, spanning a broad array of subfields (see below). Prominent biomedical engineering applications include the development of biocompatible prostheses, various diagnostic and therapeutic medical devices ranging from clinical equipment to micro-implants, common imaging equipment such as MRIs and EKGs, regenerative tissue growth, pharmaceutical drugs and therapeutic biologicals.
Biostatistics is the application of statistics to a wide range of topics in biology. The science of biostatistics encompasses the design of biological experiments, especially in medicine, pharmacy, agriculture and fishery; the collection, summarization, and analysis of data from those experiments; and the interpretation of, and inference from, the results. A major branch of this is medical biostatistics, which is exclusively concerned with medicine and health.
- Braille keyboard
- Braille notetaker
Electronic braille notetakers are small, portable and battery operated devices with braille keyboard for entering information. They use a speech synthesizer or braille display for output. The Braille notetaker can be used by blind or visually impaired people who read braille.
Source: GATE (http://abilitynet.wikifoundry.com/page/Braille+Notetakers)
A braille notetaker is a portable computer or personal data assistant that has a Braille display built onto it. These devices can be used in a stand-alone mode for taking notes, doing basic word-processing, scheduling appointments and performing other tasks. They can also be connected to a computer with screen reading software and act as a Braille terminal.
Source: Vision technologies: access to literacy, Special Education Technology, British Columbia (SET-BC), 2003 (http://tecnoaccesible.net/en/node/4016)
- Brain–computer interface
A brain–computer interface (BCI), sometimes called a mind-machine interface (MMI), direct neural interface (DNI), or brain–machine interface (BMI), is a direct communication pathway between the brain and an external device. BCIs are often directed at assisting, augmenting, or repairing human cognitive or sensory-motor functions.
Source: Wikipedia (https://en.wikipedia.org/wiki/Brain%E2%80%93computer_interface)
BRLTTY is a background process (daemon) which provides access to the Linux/Unix console (when in text mode) for a blind person using a refreshable braille display. It drives the braille display, and provides complete screen review functionality. Some speech capability has also been incorporated.
Source: BRLTTY (http://mielke.cc/brltty)
- Building automation
Building automation describes the advanced functionality provided by the control system of a building. A building automation system (BAS) is an example of a distributed control system. The control system is a computerized, intelligent network of electronic devices designed to monitor and control the mechanical, electronics, and lighting systems in a building.
Source: Wikipedia (http://en.wikipedia.org/wiki/Building_automation)