Search results
Results from the WOW.Com Content Network
A photoelectric sensor is a device used to determine the distance, absence, or presence of an object by using a light transmitter, often infrared, and a photoelectric receiver. They are largely used in industrial manufacturing. There are three different useful types: opposed (through-beam), retro-reflective, and proximity-sensing (diffused).
Industry Sector Headquarters Founded Notes Status Accra Brewery Company: Consumer goods Brewers Accra: 1931 Brewery, GSE: ABL: P A Aerogem Aviation: Industrials Delivery services Accra: 2000 Cargo airline P A Afra Airlines: Consumer services Airlines Accra: 2003 Airline, defunct 2005 P D Africa World Airlines: Consumer services Airlines Accra ...
This article shows a list of shopping malls in Ghana: List. Greater Accra Region. Accra Mall; Marina Mall Accra; Junction Mall; Oxford Street Mall; West Hills Mall;
Accra Mall is a shopping mall in Accra, Ghana. It is located near the Tetteh Quarshie Interchange, adjacent to the Tema Motorway. Commissioned on 4 July 2008, It is the first fully enclosed mall to be built in the country. [1] [2] It is owned by Atterbury Property Development, Sanlam and the Owusu-Akyaw family. [3]
There are a wide variety of photodetectors which may be classified by mechanism of detection, such as photoelectric or photochemical effects, or by various performance metrics, such as spectral response. Semiconductor-based photodetectors typically use a p–n junction that converts photons into charge. The absorbed photons make electron–hole ...
Schematic diagram of an opto-isolator showing source of light (LED) on the left, dielectric barrier in the center, and sensor (phototransistor) on the right [note 1]. An opto-isolator (also called an optocoupler, photocoupler, or optical isolator) is an electronic component that transfers electrical signals between two isolated circuits by using light. [1]
Shopping malls in Ghana (7 P) Pages in category "Retail companies of Ghana" This category contains only the following page. This list may not reflect recent changes. P.
The Accra Mall remains Ghana's prime supermarket. The mall, which started operations in the 2008, [2] sought to improve the Ghanaian shopping experience. It is located on the Spintex Road adjacent the Tema Motorway. Other major supermarkets include Melcom. [3] The company was established in 1989 and its primary shop was opened in Accra Central ...