Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7356426 | Calibration of thermal sensors for semiconductor dies A thermal management system is described which may be implemented on a semiconductor die. The system may include a thermal sensor thermally coupled to the die to sense the temperature of the die and generate an output representing the sensed temperature, and an adju... | 04/08/2008 |
| 7159790 | Thermostat with offset drive A thermostat having a thermostat housing and a rotatable selector rotatably coupled to the thermostat housing via a support member. The rotatable selector is adapted to have a range of rotatable positions, wherein a desired parameter value is identified by the posit... | 01/09/2007 |
| 6935572 | Temperature differential eliminator The present invention relates to a device and method for providing precise temperature control using inexpensive temperature controllers and/or thermostats. Specifically the invention provides modifications to either a temperature controller and/or a thermostat that... | 08/30/2005 |
| 6779736 | Thermostat with digital and resistor control of trip point The present invention is directed at using digital inputs in addition to an external resistor to set the trip point for a thermostat. The digital inputs are used to select a voltage (temperature) range. The value of the external resistor is used to select the specif... | 08/24/2004 |
| 6622927 | Low voltage thermostat circuit A thermostat circuit (FIG. 4) is provided which (i) works properly with very low supply voltages, (ii) does not need a separate constant value as a reference, and (iii) has improved temperature sensitivity over prior art thermostat circuits. The thermosta... | 09/23/2003 |
| 6155341 | Continuous fan adjustment method A method for adjusting the continuous speed of the blower of a heating and/or cooling system of the type including a thermostat having a mode selector switch which has at least one heating position, a cooling position, and an off position, a fan switch ha... | 12/05/2000 |
| 5744973 | Resistance to frequency circuit for measuring ambient temperature on a thermostat A resistance to frequency circuit for measuring the ambient temperature on a thermostat. The temperature measuring circuit comprises a first Schmitt trigger NAND gate, a rectifier, a capacitor of which one terminal is electrically connected to ground, a f... | 04/28/1998 |
| 5355692 | Phase change location controller for a heat exchanger in a refrigeration system A refrigeration system, and method of operating same, with the refrigeration system having a refrigerant flow path which includes a heat exchanger having an inlet, an outlet, and a refrigerant flow path between the inlet and outlet. The refrigerant enters... | 10/18/1994 |
| 5070932 | Thermostat with enhanced outdoor temperature anticipation A thermostat for controlling the temperature within a space to be conditioned includes a system mode selector switch for selecting one of the heating, cooling or off modes of operation and a blower mode selector switch for selecting an automatic (cycling)... | 12/10/1991 |
| 4941525 | Automotive air conditioner An air mixing type automotive air-conditioner is disclosed in which an air fed by a blower is heated to a hot air by a hot water type heater, and a mixture ratio between a cold air flowing through a bypass passage around the heater and the hot air is adju... | 07/17/1990 |
| 4760379 | Fail-safe high temperature alarm A temperature sensor located at a region being monitored controls an output switch that in one position when ambient temperature is below a predetermined temperature applies current to only a first loop circuit and in another position when ambient tempera... | 07/26/1988 |
| 4566528 | Regulator circuit for vehicle air conditioner A regulator circuit for controlling the cooling and heating power for automotive vehicles, wherein signals proportional to the external temperature, the internal temperature of the vehicle, and the desired temperature are applied to an input amplifier, th... | 01/28/1986 |
| 4418743 | Electronic circuit for controlling a heating or air-conditioning apparatus in a motor vehicle An electronic circuit for controlling the heating or air conditioning apparatus in an automobile permits the capability of heating the vehicle without the heat surges which can occur after short periods of ignition turn off and permitting manual on-off co... | 12/06/1983 |
| 4417618 | Air-conditioner control system for vehicles An air-conditioner control system for vehicles which is responsive to a condition in the compartment of a vehicle to move an air-flow controlling damper in an air duct. When the supply mode of conditioned air is a heater supply mode and when it is detecte... | 11/29/1983 |
| 4361011 | Cryogenic cooling system In order to conserve battery power of an electrically-operated cryogenic ler for an infrared imaging detector, a control logic is inserted between the battery and the cooler. This logic operates to maintain the detector at a higher than optimum operating... | 11/30/1982 |
| 4361274 | Electronic temperature control An electronic temperature control circuit is disclosed for use with swimming pool and spa heaters. The circuit employs a thermistor for sensing water temperature, and provides temperature control with a narrow differential. Safety circuits are also employ... | 11/30/1982 |
| 4337821 | Air conditioner system for automobiles An air conditioner system for automotive vehicles comprises a device for detecting the temperature of an inner part of the compartment of a vehicle which is exposed to the radiant heat of the sun, a device for detecting the temperature of another inner pa... | 07/06/1982 |
| 4291749 | Method and apparatus for controlling compartment temperature of a vehicle A temperature control method and apparatus responsive to various control conditions to determine the desired amount of temperature control to cause the compartment temperature of a vehicle to approach a desired value. They comprise a first step of produci... | 09/29/1981 |
| 4289195 | Climate control device for the passenger compartment of motor vehicle A device for the climate control of the passenger compartment of an automobile, including an electric fan group, an air distribution conduit in the passenger compartment which has at its entrance an air mixing shutter for diverting a variable amount of th... | 09/15/1981 |
| 4265115 | Averaging temperature responsive apparatus An averaging temperature responsive apparatus for use in an air conditioning system to measure the average temperature of air passing through a duct has a tube extending transversely across the air duct. The tube has a series of spaced inlet openings on t... | 05/05/1981 |
| 4244516 | Control unit for starting a climatization procedure in a building A temperature control system is provided which includes a control unit for controlling the start of a climatization procedure in a building. The system includes a pulse generator which times the operations of the control unit and an equivalent electrical ... | 01/13/1981 |
| 4232818 | Control unit for starting a climitization procedure in a building A controller is provided which includes a control unit for controlling the start of a climatization procedure in a building. The system includes a pulse generator which times the operations of the control unit and an equivalent electrical circuit which co... | 11/11/1980 |
| 4199102 | Temperature control system A temperature control system for monitoring and controlling a zone supplied with low-pressure steam is disclosed. The system utilizes a series of balanced Wheatstone bridges to provide a variety of automatic and manual control techniques to maintain tempe... | 04/22/1980 |
| 4189093 | Apparatus for regulating the temperature of a compartment or space An apparatus to regulate the temperature of the interior of a motor vehicle, including a room air temperature sensor and a heating air temperature sensor, with the room air temperature sensor providing a substantially higher controlled variable change per... | 02/19/1980 |
| 4136822 | Apparatus and methods for controlling fan operation Apparatus and methods for controlling fan operation, wherein a temperature difference sensor senses inside and outside temperatures, and actuates switch devices so that fan operation is commenced when the interior temperature exceeds the exterior temperat... | 01/30/1979 |
| 4114445 | Electrical thermostat control apparatus A thermostat adapted for use in an electrical control system for controlling temperature conditioning apparatus has at least two circuit adjusting members or potentiometers comprising a resistance circuit board mounted on a base and a pair of pivotally mo... | 09/19/1978 |
| 4040565 | Control unit for thermal conditioning systems A control unit for a temperature regulating system for heating or cooling a space includes an analog network, responsive to various variable environmental factors and simulating various fixed environment or building factors, is connected to a condenser to... | 08/09/1977 |
| 4024725 | Control system for an air conditioner A control system for an air conditioner having detectors for detecting at least the radiation temperature in a room or controlled space, a device for setting a desired room air parameter in response to the detected radiation temperature, and a controller ... | 05/24/1977 |
| 3979059 | Systems for controlling the temperature within an enclosure A control means for regulating the operation of a system for controlling the temperature within an enclosure so that a desired temperature within the enclosure is attained at a predetermined time wherein the switch on time of a thermal conditioning appara... | 09/07/1976 |
