International Business Machines Corporation

Jean-Louis Veran

Jean-Marc Legrand

Jean-Christophe Mestres

Frederic Allard

System and method for controlling energy consumption in a data center. An embodiment includes: segregating hot air from cold air by preventing hot air exhausted from hot aisles from flowing into cold aisles; measuring temperature and relative humidity values of the segregated hot and cold air; detecting temperature and relative humidity values of outside air; mixing the segregated hot air with a volume of the outside air, the volume of the outside air depending on a result of the measuring and the detecting; measuring temperature and relative humidity values of the mixed air; comparing the temperature and relative humidity values of the mixed air and the temperature and relative humidity values of the segregated cold air to IT specifications; cooling the mixed air based on a result of the comparison; and providing the cooled mixed air in the cold aisles.

System, method, and computer program product for controlling energy consumption in data centers

A method of securely duplicating in a copying machine a document which includes a readable security device. A method in accordance with an embodiment of the present invention includes: reading the readable security device to determine contents of the readable security device; copying the document; generating a copy of the readable security device that includes data which is determined from the contents of the readable security device; and attaching the copy of the readable security device to the copy of the document before the copy of the document exits the copying machine to generate a secure duplicate of the document.

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La Colle sur Loup, France

Jean-Louis Veran