Bizarre Patents
Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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 |
| 7357571 | Infrared inspection and reporting process An infrared inspection and reporting process and system obtains inspection data on site via a portable computer. An actual temperature of a component derived from an infrared image and a temperature delta between the temperature of the component and the maximum temp... | 04/15/2008 |
| 7340414 | Refrigerator having automatic food ordering function and method for operating the same A refrigerator capable of transmitting and receiving information over a network and having an automatic food ordering function and a method for operating the same, wherein the residual amounts of food articles stored in containers of the refrigerator are measured th... | 03/04/2008 |
| 7293914 | Temperature detecting heater with indicating structure for aquarium A temperature detecting heater with an indicating structure for an aquarium, the temperature detecting heater mainly has an indicating structure including a control circuit and a two-color LED indicating lamp in its circuitry. After the temperature detecting heater ... | 11/13/2007 |
| 7061740 | System and method for protecting an audio amplifier output stage power transistor A system and method for protecting an output transistor in an audio amplifier output stage includes a protection circuit that protects the output transistor from excessive currents and voltages, and does not interfere with the normal operation of the output transist... | 06/13/2006 |
| 6985080 | Flame sense circuit and method with analog output An analog flame sense circuit is provided that utilizes the flame rectification method of sensing flame. The circuit uses an AC voltage source and discrete components to provide the sensing of the flame current. Either a single-pole or a two-pole filter may be used ... | 01/10/2006 |
| 6963477 | Overheat protection circuit A semiconductor switching element performs operations of bringing a current path from a power supply to a load into conduction and interrupting the path and is controlled by an operating-mode control circuit so as to operate in a first operating mode in which a cond... | 11/08/2005 |
| 6817760 | Method of monitoring current probe transformer temperature A current probe transformer temperature monitoring method determines an initial transformer temperature of the current probe as a function of the winding resistance of the transformer. A relative temperature of the Hall Effect device is also determined as a function... | 11/16/2004 |
| 6480114 | High impedance diagnostic for gun driver and method An apparatus for detecting a high impedance load on an output of a driver circuit having a power switching circuit providing output signals to a coil. Each output signal results from a drive signal that has a waveform comprising a higher magnitude initial... | 11/12/2002 |
| 6460731 | Electrically operated viscous fluid dispensing method An electrically operated fluid dispenser for dispensing a pattern of viscous fluid onto a substrate during a run mode. The dispenser is turned off and does not dispense the viscous fluid during a standby mode of operation. The dispenser includes a dispens... | 10/08/2002 |
| 6380861 | Temperature monitor for electrically operated fluid dispenser and method A temperature monitor for monitoring a temperature of an electrically operated fluid dispenser having a coil mounted adjacent an armature within the dispenser. The coil selectively generates an electromagnetic field to move the armature between opened and... | 04/30/2002 |
| 6224255 | Temperature pickup for oil-filled vessels and temperature measurement method A temperature pickup for an oil-filled transformer or tap changer has within a resistance thermometer standard housing, the circuitry for duty-factor-modulated output of a measurement signal, interference circuitry which can slur the resulting wave form a... | 05/01/2001 |
| 6181235 | Rotary apparatus A rotary apparatus in which at least one electrically controlled device is attached to a rotor. The rotor carries coils such that rotation of the rotor generates power for the device. A switch is provided for controlling the supply of power to the device ... | 01/30/2001 |
| 5920264 | Computer system protection device A protection device for a micro-controller chip comprising a heat sink, a cooling fan, and an overheat alarm. The heat sink is adapted to be mounted on a micro-controller chip and is capable of dissipating heat generated by the micro-controller chip. The ... | 07/06/1999 |
| 5856780 | Semiconductor sensors and method for detecting fires using such sensors A fire detector, for connection in a fire protection/alarm system, comprises an array of sensors, or a single sensor, of the semiconductor resistor type impregnated with a noble metal. The detector is responsive, by way of a decrease in its resistance, to... | 01/05/1999 |
| 5678925 | Temperature sensing and indicating beverage mug A hot beverage mug automatically senses the temperature of its liquid contents and generates an accurate aural and/or visual indication of the temperature sensed. The temperature is sensed by a thermistor in a resistive capacitive (R/C) circuit which oper... | 10/21/1997 |
| 5675246 | Current flow indicator An apparatus connectable between a current source and an electrical load for indicating current flow through the load above a threshold level. The indicator includes two negative temperature coefficient (NTC) thermistors, and a neon indicator lamp. The fi... | 10/07/1997 |
| 5600306 | Receptacle unit and extension cord An electrical receptacle unit includes at least one receptacle body (3) internally provided with a pair of slotted terminals (4) for insertion of a pair of blades (L) of a load-side electrical plug (P), a thermistor (7) encased in a protective tube (9) ou... | 02/04/1997 |
| 5461363 | Alarm apparatus containing security and safety monitors A safety apparatus for a passage controlled by means of a first member and a second member, has a first device for detecting opening of the passage, a second device for detecting fierce knocking on the first and second members and a third device for detec... | 10/24/1995 |
| 5436614 | Thermal analog fire detector A thermal analog fire detector which is excellent in measurement precision and resolution in both the high and low temperature ranges and which has a wide range of measuring temperatures. A constant voltage E from a constant voltage circuit is supplied to... | 07/25/1995 |
| 5355121 | Alarm device for magneto-optical disc drive unit An alarm device is provided with a temperature sensor for detecting an internal temperature of a magneto-optical disc drive unit having a cooling fan and a replaceable dust filter. When the internal temperature becomes higher than or equal to a predetermi... | 10/11/1994 |
| 5254975 | Compensation type heat sensor A pair of temperature detection devices having different heat time constants and an active device having a predetermined bias are connected in series. The bias is set so as to cause the active device to operate in a saturated region if the temperature is ... | 10/19/1993 |
| 5231377 | Electronic close damper alert unit A portable unit indicates the precise time to close a fireplace damper door. The unit comprises a housing including a power source, and an electronic circuit, and an external heat sensor. The arrangement is such that the heat sensor is placed near the fir... | 07/27/1993 |
| 5198801 | Low amperage dual sensing fire detector A resettable fire detection device comprises in combination a rate of temperature rise sensor, an electronic fixed temperature sensor, and electronic circuitry connected to both circuits for producing an alarm signal if either sensor is activated and for ... | 03/30/1993 |
| 5115222 | Alarm to detect accidental sudden or slow falls from children into swimming pools The disclosure pertains to a device for detecting sudden or slow immersion of a body into a swimming pool. More specifically, the invention pertains to a device to detect the accidental immersion of children into swimming pools. In a first embodiment, a f... | 05/19/1992 |
| 5073034 | Single thermistor/analog converter substitute for a dual thermistor network A single 400 series thermistor is interfaced to a patient monitor designed to accept only dual thermistor probes by a circuit including first and second cascaded negative impedance converters connected to first and second discrete resistors. The first and... | 12/17/1991 |
| 5063984 | Solar heating drapery opening indcator A solar heating device which indicates the proper window covering status for maximum energy conservation. A support structure (18) rests on window sill (16) and suspends two thermistors (22 and 24). One thermistor (22) is supported on the room side of dra... | 11/12/1991 |
| 4922231 | Idle/no-idle light system A temperature responsive signaling device is provided for use at locations where diesel powered trucks congregate. The device includes a light source with at least two colored lights preferably red and green, a control box having at least two indicator li... | 05/01/1990 |
| 4859076 | Differential temperature sensors A heated, split thermowell comprises a cylindrical shank and integral, axially extending, part-cylindrical probes spaced by at least a first gap defined by a bilateral plane. The thermowell is mounted to the sidewall of a pressure vessel for communicating... | 08/22/1989 |
| 4857897 | Electronic boiling point musical alarm An alarm which can be used in lieu of the knob of the cover of a teapot or an ordinary pot which provides the capability of sounding a musical alarm when the water temperature inside the teapot or kettle nears the boiling point. The alarm contains a body ... | 08/15/1989 |
| 4799046 | Method and circuit for detecting and monitoring the temperature of a winding To monitor the winding temperature of a coil, preferably the magnet coil of a magnetic valve, it is proposed to use as the monitored magnitude the resistance related to the temperature of the winding. For this purpose the winding is supplied during the me... | 01/17/1989 |
| 4719432 | Oscillator for measuring temperature A measuring oscillator for measuring temperature has an all-pass filter (1) which drives a current source (16) having a controllable amplification factor and a control element (17). The control element is connected to the control input of the current sour... | 01/12/1988 |
| 4635668 | Automatic water line freeze control An automatic freeze control (10) includes a temperature sensor (18) and a valve (20) connected to the water line (22). Control circuitry (36, 38, 40, 42, 44 and 46) is responsive to the line water temperature continuously monitored by the sensor (18) to s... | 01/13/1987 |
| 4538137 | Fire detector In a fire detector that includes a sensor for producing an output voltage corresponding to smoke concentration, temperature, etc., there is provided a charge-and-discharge circuit to be reset by the turning ON of a switching circuit which is made ON at a ... | 08/27/1985 |
| 4518850 | Electric cooker having temperature warning means An electric cooker having means for warning the user when one or more of the cooking surfaces is above a safe touching temperature comprises a glass ceramic cooking surface having one or more electrical heaters arranged on the underside of the cooking sur... | 05/21/1985 |
| 4502047 | Electronic parts-mounting device with easy assembly and maintenance Two substrates respectively mounting electric parts are disposed so that parts-mounting faces of the two substrates oppose each other. The opposed substrates are connected at the respective opposing side edges thereof to each other by means of respective ... | 02/26/1985 |
| 4418339 | Temperature sensing circuit for semiconductor junction temperature probe The temperature probe is biased for causing current flowing therethrough to be proportional to the probe temperature. A variable set point temperature is represented by a variable reference current which is summed with the temperature probe current. An ou... | 11/29/1983 |
| 4340886 | Bearing and motor temperature monitor A system for monitoring the temperature of a plurality of bearings and motors, for example in a grain elevator, includes a plurality of sensors associated with the respective bearings and motors whose temperatures are to be monitored. A first circuit ener... | 07/20/1982 |
| 4322725 | Temperature measurement system The invention provides a fire detection system which comprises an electric thermal transducer such as a thermistor placed in a turbulent gas stream. The transducer produces a signal, having an AC and a DC component, which signal is preferably amplified. T... | 03/30/1982 |
| 4322724 | Low voltage operated electric circuits An electronic device comprises an arrangement which makes it possible to power a transmitter in self-contained fashion from a pick-up without any other power source. The device comprises at least one transistor and a transformer having a high turns ratio.... | 03/30/1982 |
| 4315243 | Unused fuel indicator for automotive engines employing catalytic converters The Unused Fuel Indicator (UFI) comprises a reliable thermo-electric/electronic circuit employing thermocouples attached to the catalytic converter of an emission control system for an automobile engine for providing easy readout of the condition of the a... | 02/09/1982 |
