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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8091375 | Humidity control for air conditioning system In an air conditioning system for circulating cooled air to an enclosed space, a controller including a temperature sensor, a humidity sensor and a microcontroller for controlling the indoor fan or blower to prevent operation of same if a fan run-on mode is selected... | 01/10/2012 |
| 7861545 | Air conditioning cut-out circuit A cut-out circuit for an air conditioner protects the air conditioning system components when subjected to low pressure conditions, without manually resetting the system after low pressure cut-out. The cut-out circuit preferably includes a relay, connectable to a vo... | 01/04/2011 |
| 7721558 | Multi-air conditioner and group-unit control method thereof Disclosed herein are a multi-air conditioner and a group-unit control method thereof, wherein a plurality of indoor units can be controlled on a group basis. The method comprises the step of grouping the indoor units into a plurality of groups, the step of if an air... | 05/25/2010 |
| 7325409 | Vacuum storage apparatus with sliding drawers An apparatus for storing, preserving and dispensing perishable and degradable food and goods having a rigid housing. At least one modular unit is removably disposed in the rigid housing for holding items. The modular unit has a storage unit and a drawer constructed ... | 02/05/2008 |
| 7246499 | Adaptive automotive climate control with variable learning rate An air conditioner for an automobile having a passenger compartment comprising is provided, including an air control system to control a property of air entering the passenger compartment, a manual setting member through which the property of the air is manually con... | 07/24/2007 |
| 7222666 | Vehicle air-conditioning apparatus that can surely defog window A vehicle air-conditioning apparatus includes a dehumidification means, which has a compressor and dehumidifies inside of the vehicle, a humidity calculation means, which calculates humidity in the vicinity of an inside surface of the windshield, and a determination... | 05/29/2007 |
| 7152415 | Refrigerated compartment with controller to place refrigeration system in sleep-mode A refrigeration system is employed to cool a refrigerated compartment in a kitchen or restaurant. An electronic refrigeration controller controls various aspects of the refrigerated compartment, including temperature. When a push button is pressed, a “sleep-modeâ€... | 12/26/2006 |
| 7152414 | Operating unit comprising at least one operating element The invention relates to an operator control unit having at least one operator control for setting a setpoint value, in particular a temperature, an air quantity and/or an air distribution, an automatic function being provided for the air quantity, air distribution ... | 12/26/2006 |
| 7150161 | Air conditioner having water draining device An air conditioner includes an outdoor device coupled to an indoor device via a hose, and a water draining device coupled between the outdoor device and the indoor device, to force water that may be generated in the indoor device from the indoor device to the outdoo... | 12/19/2006 |
| 7150157 | Method for operating an air conditioner, and air conditioner for a means of transport A method for operating an air conditioning system that is operable both manually and automatically for a transportation means and an air conditioning system for implementing the method are provided. An automatic characteristic line is corrected based on a manual ope... | 12/19/2006 |
| 7104076 | Lubricant return schemes for use in refrigerant cycle A control algorithm is developed which takes corrective action in the event that system conditions indicate there may be an inadequate flow of lubricant in the system. In particular, if a discharge pressure is below a predetermined amount or if the suction modulatio... | 09/12/2006 |
| 7040104 | Operating unit comprising at least one operating element for an air conditioning installation and/or an automatic air conditioning system The invention relates to an operating unit comprising at least one operating element, especially for adjusting the quantity of air, the temperature or the air distribution of an automatic air conditioning system, an automatic function and a manual adjustment functio... | 05/09/2006 |
| 7028493 | Vehicle air conditioner having a seat air conditioning unit In a vehicle air conditioner, a front air conditioning unit and a seat air conditioning unit are automatically controlled by an air conditioner ECU. If a seat air conditioner switch is operated by a user during an automatic control, the setting (e.g. air volume of a... | 04/18/2006 |
| 7017359 | User-interactive refrigerator and control method thereof A refrigerator having a cooling compartment provides a memory storing data about a user and data on food items stored in the cooling compartment; a user recognition device recognizing a present user; a controller reading the food item data corresponding to the user ... | 03/28/2006 |
| 6945060 | Vehicle air conditioning system A vehicle air conditioning system is capable of learning preferences for a plurality of passengers, altering control characteristics of air conditioning means based on the results of learning, and automatically controlling the system. The system is capable of adjust... | 09/20/2005 |
| 6892545 | Automatic refrigerator system, refrigerator, automatic cooking system, and microwave oven An automatic cold-storage system includes a food package (22) provided with a noncontact IC tag (11), and a refrigerator (31) for storing the food package (22). Information is read from the noncontact IC tag (11) by a noncontact IC... | 05/17/2005 |
| 6705098 | Vehicle air conditioner with automatic air-conditioning control A vehicle air conditioner has a standby RAM having a map memorizing many regions of, for example, preset temperature, each of which is determined by environmental conditions such as the inside/outside air temperatures and the sunlight amount. The air conditioner aut... | 03/16/2004 |
| 6668572 | Air conditioner having hot/cold water producing device An air conditioner including a compressor compressing a refrigerant to produce a high temperature gaseous refrigerant, a hot water producing device producing hot water by performing a heat exchanging process whereby heat is transferred from the high tempe... | 12/30/2003 |
| 6658878 | Multi-compartment type refrigerator and method for controlling the same Disclosed herein is a multi-compartment type refrigerator and method for controlling the same. The refrigerator includes a plurality of storage compartments. A plurality of evaporators are each positioned in each of the storage compartments, respectively.... | 12/09/2003 |
| 6634177 | Apparatus for the real-time monitoring and control of a wafer temperature An apparatus for the real-time monitoring and control of a wafer temperature in a semiconductor process chamber, such as a plasma assisted deposition chamber or etch chamber, is provided. The apparatus is constructed by a wafer platform, a heat exchanger ... | 10/21/2003 |
| 6488213 | Vehicle air conditioner with control system learning manual control operation of blower voltage In a control system of a vehicle air conditioner, when a temperature difference between a previous target air temperature at the previous manual operation and a present target air temperature at the present manual operation is smaller than a predetermined... | 12/03/2002 |
| 6405547 | Refrigerator and method of operating refrigerator A temperature controller is in a position at a height of 130 cm or more from a base surface settling, of which the refrigerator is settled, on a door of the refrigerator, which position is on an upper side of a handle for opening and closing the door. Fur... | 06/18/2002 |
| 6370890 | Refrigerator and its method for controlling the same There are provided a refrigerator and method for controlling the same in which a data error generated in a main controller of the refrigerator can be repaired with an easy key operation. The refrigerator includes a refrigerator controller for controlling ... | 04/16/2002 |
| 6213405 | Supplemental heat source A supplemental heat source in a pool heating system consisting of a heat reserve element, a contactor, a switch/relay, a light and an accessory switch. The contactor engages the supplemental heat reserve element when the ambient temperature drops to the m... | 04/10/2001 |
| 6044651 | Economy mode for transport refrigeration units An process and method for monitoring and selectively implementing an operator selected economy mode in a transport refrigeration system is disclosed. The system includes a microprocessor control which, in response to operator selection of the economy mode... | 04/04/2000 |
| 5947371 | Operation control apparatus of an air conditioner and a method thereof A room air conditioner is operable to perform heating or cooling operations in a room. Furthermore, it is possible to direct warm or cool air to selected regions of the room. For example, it is possible to carry out a distant mode of operation wherein war... | 09/07/1999 |
| 5934084 | Air conditioner having a method and apparatus for performing a dry operation to remove humidity during a cooling mode A dry operation is performed during a room-cooling mode of an air conditioner by performing a pattern of heating, cooling, and blowing-only steps. The pattern of steps is controlled as a function of sensed room temperature to ensure that the room temperat... | 08/10/1999 |
| 5862673 | Operational control apparatus for home appliances and control method therefor A home appliance such as an air conditioner, refrigerator, television, or tape recorder, includes a drive element, a controller for controlling the drive element, and a manual input panel for enabling a user to input a drive signal for driving the drive e... | 01/26/1999 |
| 5850742 | Apparatus and method of controlling automatic door of air conditioner An air conditioner includes an inlet for receiving room air, a heat exchanger for heating or cooling the air, an outlet for discharging the heated or cooled air back into the room, a fan for circulating the air through the air conditioner, inlet and outle... | 12/22/1998 |
| 5833133 | Microprocessor-controlled semi-automatic temperature control device A semi-automatic temperature control (SATC) device for controlling a heating, ventilation and air conditioning (HVAC) system includes a microprocessor operative to receive a plurality of inputs, and control air discharge temperature and blower speed based... | 11/10/1998 |
| 5787718 | Method for controlling quick cooling function of refrigerator Disclosed is a method for controlling a quick cooling function of a refrigerator. When both compartments are at an abnormal temperature state in a refrigerator the method independently controls a freezer compartment and a refrigerating compartment. The us... | 08/04/1998 |
| 5749236 | Automatic air recirculation system An automatic air recirculation system is provided. The system activates an air recirculation door for recirculating the air within the vehicle passenger compartment by sensing the temperature of the engine coolant. The system also activates the air recirc... | 05/12/1998 |
| 5743099 | Energy saving HVAC control system An energy efficient HVAC system for motorized vehicles includes an HVAC selector switch for activating and deactivating one or more of the group consisting of an air conditioning mode, a venting mode, a heating mode, a bi-level mode and a defrosting mode;... | 04/28/1998 |
| 5632156 | Automotive air conditioning system An automotive air conditioning system is provided to be able to minutely control the air blow temperature independently of the ambient temperature to maintain the compartment always pleasant. The difference between the revolution speed of a compressor wit... | 05/27/1997 |
| 5590540 | Air conditioner for vehicles An air conditioner for vehicles includes a damper for switching among an outside-air inlet mode, an inside-air inlet mode and an outside/inside-air inlet mode, a manual switch for selecting any one of the respective inlet modes, an automatic switch for au... | 01/07/1997 |
| 5588302 | Car air conditioner A car air conditioner is free from the problem of insufficient and frustrating defrosting effect of a conventional air conditioner that becomes apparent when wet air is blown onto the misted front window pane of the car in a rainy season by selecting a de... | 12/31/1996 |
| 5560216 | Combination air conditioner and pool heater A combination air conditioner and pool heater. The air conditioner is a conventional house air conditioner which includes a condensing unit located outside the house and comprising a compressor, an air cooled coil, and a external fan directing air across ... | 10/01/1996 |
| 5537834 | Inductively activated control and protection circuit for refrigeration systems The present invention involves an inductively activated silicon switch for a control and protection circuit for motors and compressors. The circuit includes a logic gate for combining both motor control and protection functions. The logic gate has inputs ... | 07/23/1996 |
| 5533353 | Method and apparatus for controlling the clutch of an air conditioner system A method and an apparatus are provided for variably controlling the temperature at which the clutch of an air conditioner compressor is engaged and disengaged. The temperature at which the compressor clutch is engaged and disengaged is based on an average... | 07/09/1996 |
| 5522215 | Substrate cooling apparatus A substrate cooling apparatus is provided with a cooling plate disposed in a treating chamber and Peltier elements for supporting and cooling a substrate. A target temperature setter is operable to set a target temperature to which the substrate is to be ... | 06/04/1996 |
