Abstract: A smart bookrack includes a number of book cabinets. Each book cabinet accommodates one book and carries a sensor and a determining device. Each book includes an electronic tag to identify the book. The smart bookrack further includes a RF unit, a controller, and a display device. The determining device detects whether a book being in each book cabinet. The RF unit scans identification information of each book and transmits the identification information to the controller. The controller determines a status of each book according to actual location of the book and identification information of each book. The display device displays the status of each book by using different signals. A book management system and method using the smart bookrack are also provided.

Abstract: An HVAC&R system including a pumping device configured to circulate a first two-phase medium, a plurality of secondary HVAC&R units, wherein at least one of the plurality of secondary HVAC&R units is operably coupled to the pumping device, and a primary HVAC&R unit operably coupled to at least one of the plurality of secondary HVAC&R units, wherein the pumping device, a portion of the plurality of secondary HVAC&R units, and a portion of the primary HVAC&R unit form a primary loop.

Abstract: A modeling system and modeling method based on a logical relation, including an operation task integrating module, a task interpreter, a graph layout correcting module, a graph wiring correcting module and a database model increment correcting module, wherein the database model increment correcting module includes a graph increment calculating unit and a model increment calculating unit. The system, through description of the logical relation and based on support of the automatic wiring technology, realizes the graph-model integrated generation of a new grid model of the power system which is based on the description of the logical relation; the grid model is completely defined and modified on “one net”, which is different from the original way that the power system model is established on countless net graphs, thereby helping the grid operation manager to accurately and rapidly establish and modify the grid model of the full system.

Abstract: A system and method for conditioning air within an air handling system of a building is provided. The building has a hot water source and a cold water source. The conditioning system includes at least one heating-cooling unit connected to the air handling system, a primary water storage device, at least one heat pump, and a controller. The heating-cooling unit, which includes at least one chilled beam, is operable to transfer heat into or out of air passing within the air handling system of the building. The primary water storage device is operable to store a volume of water within a predetermined temperature range. The primary water storage device is in communication with the hot water source and the cold water source. The heat pump is connected to the primary water storage device and the chilled beam. The controller is adapted to selectively drive the heat pump to transfer heat between the primary water storage device and the chilled beam.

Abstract: A system and method for conditioning air is provided. A building has a hot water source and a cold water source. The system includes at least one heating-cooling unit, a primary water storage device, at least one heat pump, and a controller. The heating-cooling unit transfers heat into or out of air passing within an air handling system of the building. The primary water storage device stores a volume of water within a predetermined temperature range. The primary water storage device is in communication with the hot water source and the cold water source. The heat pump is connected to the primary water storage device and a chilled beam. The controller selectively drives the heat pump to transfer heat between the primary water storage device and the chilled beam. The controller selectively controls the system to transfer heat into or out of the primary water storage device.

Abstract: A composition of a zeotropic mixture has a first chemical constituent and at least one second, different chemical constituent. The zeoptropic mixture has a temperature glide of 5° C.-25° C. with regard to its saturated vapor temperature and its saturated liquid temperature. The first chemical constituent is selected from 1,1,1,3,3-pentafluoropropane, 1,1,2,2,3-pentafluoropropane, 1,1,1,3,3-pentafluorobutane, methyl perfluoropropyl ether, 1,1,1,2,3,3-hexafluoropropane and 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone.

Abstract: An exemplary electronic device is connected with an earphone. The earphone includes a first storage unit storing information as to functions of the earphone. The electronic device includes a second storage unit storing a function information table recording information as to user-controllable functions of the electronic device, function units corresponding to the user-controllable functions, an identifying module, and a control module. The identifying module retrieves the information as to functions stored in the first storage unit, and determines whether one or more of the controllable functions of the electronic device are controllable by the earphone. The control module activates all of the function units corresponding to the controllable functions of the electronic device which are controllable by the earphone, and controls one or more of the activated function units according to one or more control signals transmitted from the earphone to the electronic device. A related method is also provided.

Abstract: An electronic device includes an acceleration sensor and a rotation sensor, both being independently powered, in providing a method of unlocking when locked. An acceleration of the electronic device is detected using the acceleration sensor and a rotation angle of the electronic device is then detected using the rotation sensor. The electronic device is unlocked only if the acceleration of the electronic device exceeds the predetermined value and the electronic device is additionally rotated a predetermined angle within a predetermined time.

Abstract: An electronic device capable of detecting ultraviolent radiation and a method thereof are provided. The device includes a camera, a voltage-sensitive optical medium, a control switch, and a processor. When the electronic device enters an ultraviolent radiation detecting mode, the camera captures a first image. The processor controls the control switch to create an electrical potential across the optical medium and cause it to become darker after the camera captures the first image. The camera captures a second image after the control switch has allowed an electrical potential for a first preset time interval. The processor acquires reads the respective brightness of the first image and the second image, determines any difference, and determines and outputs the level of intensity of the ultraviolent radiation intensity by reference to a table of differences.

Abstract: A music playing system is provided. The system includes a control module, an acquiring module, and a playing module. The control module controls the electronic device to enter a predetermined playing mode in response to a first input operation received by the input unit. The acquiring module acquires the name of each song and the start position and end position of the predetermined segment associated with the acquired name of the song from the table when in the predetermined playing mode. The playing module plays the predetermined segment of each song based on the start position and end position of predetermined segment associated with the acquired name of the song. An electronic device and a music playing method are also provided.

Abstract: An air conditioning system includes an air conditioning portion configured to condition a volume of air flowing there-through and an exhaust portion configured to exchange heat with the air conditioning portion through a working fluid. A portion of the volume of air exiting the air conditioning portion is mechanically diverted into the exhaust portion.

Abstract: A modeling system and modeling method based on a logical relation, including an operation task integrating module, a task interpreter, a graph layout correcting module, a graph wiring correcting module and a database model increment correcting module, wherein the database model increment correcting module includes a graph increment calculating unit and a model increment calculating unit. The system, through description of the logical relation and based on support of the automatic wiring technology, realizes the graph-model integrated generation of a new grid model of the power system which is based on the description of the logical relation; the grid model is completely defined and modified on “one net”, which is different from the original way that the power system model is established on countless net graphs, thereby helping the grid operation manager to accurately and rapidly establish and modify the grid model of the full system.

Abstract: The disclosure relates to an electronic device and a method of unlocking an electronic lock for the device. The device defines an open mode and stores a first image, the first image is divided into a first plurality of bocks one of which is selected as an electronic key. The device includes a transmitter and a receiver communicated with the transmitter via wireless and connected with the electronic lock via wire. The method includes: when the device enters the open mode, capturing a second image; dividing the second image into a second plurality of blocks in response to user inputs; selecting one of the second plurality of blocks in response to user inputs; determining whether the selected block of the second image is similar to the selected block of the first image; and if yes, sending a control signal to control the receiver to unlock the electronic lock.

Abstract: A card tray ejection mechanism for an electronic device, which includes a first elongated member rotatably mounted to the base, a second elongated member, and a driving member. The first elongated member includes a first end portion resisting against a side of the tray, a second end portion opposite to the first end portion and a pivoting rod located between the first and second end portions. The second elongated member is rotatably connected to the second end portion. The driving member drives the second elongated member to move longitudinally. When the second elongated member is driven to move longitudinally by the driving member, the first elongated member is driven to rotate around the pivoting rod by the second elongated member, and the card tray is ejected. An electronic device using the card tray ejection mechanism is also provided.

Abstract: A composition of a zeotropic mixture has a first chemical constituent and at least one second, different chemical constituent. The zeoptropic mixture has a temperature glide of 5° C.-25° C. with regard to its saturated vapor temperature and its saturated liquid temperature. The first chemical constituent is selected from 1,1,1,3,3-pentafluoropropane, 1,1,2,2,3-pentafluoropropane, 1,1,1,3,3-pentafluorobutane, methyl perfluoropropyl ether, 1,1,1,2,3,3-hexafluoropropane and 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone.

Abstract: An air temperature and humidity control device using a liquid-desiccant humidity controller thermally coupled to a heat pump is disclosed. The humidity controller may include a contactor having at least one contact module with a porous sidewall that is permeable to water vapor and impermeable to the liquid desiccant. The disclosed device provides air temperature control through heat transfer between the liquid desiccant and heat pump and provides humidity controls through water transfer between the desiccant and surrounding air.

Abstract: A touch method is applied in a touch device. The touch device includes a display unit, first infrared receivers, first infrared emitters, second infrared receivers, second infrared emitters, a storage unit, and motors. The first infrared receivers and the first infrared emitters are arranged on a first side of the display unit, and the second infrared receivers and the second infrared emitters are arranged on a second side of the display unit. The storage unit stores a table recording a relationship between identification and set of coordinates of the infrared receivers. The method includes: controlling motors to drive infrared emitters and infrared receivers to rotate; determining whether electrical signals comprising the identification of one first infrared receiver and one second infrared receiver are simultaneously received; if yes, determining the set of coordinates of the touch spot; determining an icon and determining the corresponding function corresponding to the touch spot.

Abstract: A power generation system includes a non-azeotropic working fluid mixture and a Rankine cycle system. The Rankine cycle system includes a turbine generator that is driven by vapor of the first working fluid mixture, and a condenser that exchanges thermal energy between the vapor received from the turbine generator and a cooling medium. The working fluid mixture is characterized by a condenser temperature glide during phase change between approximately five degrees and thirty degrees Kelvin, a condensing pressure between approximately one tenth of one percent and eleven percent of a critical pressure of the working fluid mixture, and a condenser bubble point temperature between approximately one degree and nine degrees Kelvin greater than a temperature at which the cooling medium is received by the condenser.

Abstract: An electronic device capable of detecting ultraviolent radiation and a method thereof are provided. The device includes a camera, a voltage-sensitive optical medium, a control switch, and a processor. When the electronic device enters an ultraviolent radiation detecting mode, the camera captures a first image. The processor controls the control switch to create an electrical potential across the optical medium and cause it to become darker after the camera captures the first image. The camera captures a second image after the control switch has allowed an electrical potential for a first preset time interval. The processor acquires reads the respective brightness of the first image and the second image, determines any difference, and determines and outputs the level of intensity of the ultraviolent radiation intensity by reference to a table of differences.

Abstract: An exemplary electronic device is connected with an earphone. The earphone includes a first storage unit storing information as to functions of the earphone. The electronic device includes a second storage unit storing a function information table recording information as to user-controllable functions of the electronic device, function units corresponding to the user-controllable functions, an identifying module, and a control module. The identifying module retrieves the information as to functions stored in the first storage unit, and determines whether one or more of the controllable functions of the electronic device are controllable by the earphone. The control module activates all of the function units corresponding to the controllable functions of the electronic device which are controllable by the earphone, and controls one or more of the activated function units according to one or more control signals transmitted from the earphone to the electronic device. A related method is also provided.