Personal computer

About: Personal computer is a research topic. Over the lifetime, 58809 publications have been published within this topic receiving 800814 citations. The topic is also known as: PC.

IoT enabled environmental monitoring system for smart cities

Abstract: A smart city enables the effective utilization of resources and better quality of services to the citizens. To provide services such as air quality management, weather monitoring and automation of homes and buildings in a smart city, the basic parameters are temperature, humidity and CO 2 . This paper presents a customised design of an Internet of Things (IoT) enabled environment monitoring system to monitor temperature, humidity and CO2. In developed system, data is sent from the transmitter node to the receiver node. The data received at the receiver node is monitored and recorded in an excel sheet in a personal computer (PC) through a Graphical User Interface (GUI), made in LabVIEW. An Android application has also been developed through which data is transferred from LabVIEW to a smartphone, for monitoring data remotely. The results and the performance of the proposed system is discussed.

Drag-and-release method for configuring user-definable function key of hand-held computing device

Abstract: An electronic reading system is disclosed which allows users to download books and other types of content to a hand-held reader device for viewing. Using software which runs on a personal computer (PC), the user can download titles from Internet sites to the PC. Titles are then automatically transferred to the device when the device is placed in a cradle which is connected to the PC. Using the device's touch-sensitive display and graphical user interface, the user can access various software-implemented features associated with the display and management of the content. One feature is a user-definable hotkey that can be “dragged and dropped” onto a menu item to create a shortcut to that item. Another feature allows the user to tap twice on a displayed word to cause the device to look the word up in a prespecified or default reference title, such as a dictionary or an encyclopedia. Another feature allows the user to block a passage on the touch-sensitive display and then specify one or more destinations (email addresses, file folders, fax numbers, printers, etc.) for routing the passage; when the device is subsequently placed in the cradle, the passage is automatically retrieved by the PC and routed to the specified destination(s). The device also implements a user interface feature for allowing the user to rapidly and conveniently adjust the orientation of the displayed title.

Management communication terminal system

Abstract: A management communication terminal is formed by integrating an electronic, raster scanning camera with a personal computer. The terminal has a keyboard, a Winchester disk drive, a telecommunication controller, a cathode ray tube monitor, and a thermographic, raster image printer. Two such terminals define an office information system for the exchange of information produced at the keyboards and by the cameras. In each terminal, the coded data generated at the keyboard and the raster image data generated by the camera are temporarily stored in separate data buffers and from there are routed to the monitor, the printer and disk storage. The monitor and printer are able to display and print respectively, images created from the keyboard data, the camera data or a combination of the two. The camera data is compressed prior to storage and is reduced in resolution prior to application to the monitor. The telecommunication controller, when coupled to a transmission line, transfers keyboard and camera data directly between the disk memories associated with two terminals.

Aggregation during Precipitation from Solution: A Method for Extracting Rates from Experimental Data

Abstract: This paper considers aggregation during precipitation from solution in a batch system. Unlike the aggregation of colloidal particles in ionic solutions which has been extensively studied, aggregation during precipitation from supersaturated solutions in which other size enlargement mechanisms occur is less well understood. Of particular interest is the development of a method to determine the rates of two active size enlargement mechanisms, namely growth and aggregation, from experimental data. We describe a novel technique which is capable of performing two main tasks: extracting the rates of growth and aggregation from experimental data and simulating changes in a particle size distribution during an experiment. A differential technique is developed which uses a discretized population balance to determine the rates from experimental data. The same discretized population balance is used to simulate changes in a particle size distribution for given growth and aggregation rates. Both these operations, unlike other more complicated techniques, can be performed on a personal computer and give results in a few minutes. The use of this method is illustrated by a study of the batch precipitation of calcium oxalate monohydrate. It is shown that growth rates can be determined without specific knowledge of the aggregation kernel and that aggregation rate constants can be determined for different aggregation kernels. Comparison of simulated and experimental particle size distributions and their moments show it is possible to distinguish between the kernels and determine which is appropriate for modeling the aggregation of calcium oxalate monohydrate; it is found that a size-independent kernel is most appropriate.