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.
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| Number | Title | Issue Date |
| 5068162 | Reserve activated electrochemical cell A reserve activated electrochemical cell in a battery embodiment uses a tubular electrolyte storage compartment arranged in a concentric spiral having similar diameter turns thereof located on a common axis. The tubular spiral is assembled concentrically ... | 11/26/1991 |
| 4937703 | Circuit for driving a relay with protection against contact degradation A relay driver circuit which protects a relay against contact degradation. A detector circuit within the relay driver circuit receives an AC signal at a random phase. The detector circuit correspondingly provides a detector signal to a threshold responsiv... | 06/26/1990 |
| 4632572 | Impurity compensation for colorific content analyzer Impurity compensation for compensating the analysis of the calorific content for fuel having an unknown amount of a known additional constituent of interest (impurity) is disclosed. In the illustrative embodiment oxygen is the impurity. In that embodiment... | 12/30/1986 |
| 4494544 | Relay for a heart defibrillator A heart defibrillator in which the relay which connects the high voltage capacitor to the electrodes comprises a switching arm which is mounted on a pivotable armature and the free end of which accommodates a movable contact which co-operates with a fixed... | 01/22/1985 |
| 4431161 | Rotary valve A rotary valve has a valve body with a pair of fluid ports providing fluid exits on a face of the valve body. The fluid ports are connected to corresponding fluid channels in the valve body extending between the fluid ports and fluid inlet connections to ... | 02/14/1984 |
| 4415913 | Gray tone recorder A gray tone recorder uses a selective variation in a recording stylus duty cycle of an electrostatic recording system which recording stylus continues to write at full voltage using a dry toner electrostatically attracted to a recording paper by an electr... | 11/15/1983 |
| 4415278 | Method for operating a gas analyzing system and apparatus utilizing the same A method and apparatus for a gas analyzing system uses a rotary valve for mixing fuel gas to be analyzed for calorific content and air. The speed of the rotary valve which determines the air-fuel ratio is controlled by a controller sensing combustion prod... | 11/15/1983 |
| 4412262 | Mount for magnetic recorder transducer A mounting arrangement for magnetic record transducers wherein a single locking screw is provided for clamping each transducer in position. Additionally there is provided, for each transducer assembly, a pair of adjusting members such as set screws, each ... | 10/25/1983 |
| 4409628 | Tape transport speed control using a playback data derived clock signal A tape transport speed control uses a synthesized clock signal primarily derived from playback data signals in a preselected primary data track. Data signal drop-out in the primary data track used to produce the synthesized clock signal is monitored by a ... | 10/11/1983 |
| 4408243 | Tape cleaner A tape cleaner for cleaning debris from the surface of a recording tape uses a tape wiping or cleaning medium advanced across the surface of the recording tape at a speed correlated with a selected speed of operation of the recording tape. The tape wiping... | 10/04/1983 |
| 4406138 | Load management control air conditioning system An air conditioning system for providing an air cooling operation during a load phase management shutdown of the air conditioning compressor utilizes a thermally insulated cold water tank for storing chilled water. The water is cooled by a free cooling ef... | 09/27/1983 |
| 4397331 | Fluid flow control valve with maximized noise reduction The valve includes a perforated cage and a perforated closed end tube operating as two sequential stages of restriction and pressure drop for the fluid flowing through the valve. A movable plug cooperates with the cage to control the net amount of flow re... | 08/09/1983 |
| 4396199 | Fluid pressure sealing member for a valve A butterfly valve having a valve body and a valve disc which is selectively rotated to produce a fluid-tight engagement of a peripheral edge of the disc with an annular seal or wall defined by a portion of an internal fluid passage in the valve body uses ... | 08/02/1983 |
| 4389876 | Temperature sensor and detector cell utilizing the same A temperature sensor uses a thin film structure having an RF sputtered layer of a temperature sensitive material forming a thermistor element deposited on an electrically insulating and thermally insulating substrate. The sensor may include a plurality of... | 06/28/1983 |
| 4386397 | Method and apparatus for process control A method and apparatus for process control of batch processes utilizing the steps of storing in a memory the actual measured values of the process variable and utilizing the memorized values for an estimative operation to determine the timing for supplyin... | 05/31/1983 |
| 4382698 | Combustible gas analyzer A combustible gas analyzer for determining the Wobbe Index of a combustible gas uses a constant pressure combustible gas supply and constant flow rate air supply to provide oxygen and gas for combustion. The air is supplied directly to be mixed with the c... | 05/10/1983 |
| 4382268 | Tape transport speed control A tape transport speed control uses a speed controller supplied with packing density or digital bits per inch of recording medium and data rate or digital bits per second to compute the speed of the tape which would conform to these selected parameters by... | 05/03/1983 |
| 4380400 | Combustible gas analyzer A combustible gas analyzer for determining the calorific content of a combustible gas uses a constant flow rate air supply and a constant pressure combustible gas supply to provide oxygen and gas for combustion. The regulated air is supplied directly to b... | 04/19/1983 |
| 4378899 | Tape drive capstan A tape drive capstan has a porous ceramic matrix in the form of a cylindrical shell using spherical ceramic particles bonded together to form a network of interstitial pores which are substantially uniform in size and interconnected. A urethane elastomer ... | 04/05/1983 |
| 4377346 | Thermostatic apparatus In an electronic thermostatic circuit, a resistive bridge network is employed to sense the level of the ambient temperature. The bridge includes three legs having fixed resistors and one leg having a temperature sensitive resistor as well as a serially co... | 03/22/1983 |
| 4371901 | Programmable signal equalizer A programmable signal equalizer uses a plurality of active RC circuits arranged to be controlled by a ladder resistor network. The resistor ladder circuits are selected by digital word signals representative of the selected magnetic tape speed to produce ... | 02/01/1983 |
| 4371850 | High accuracy delta modulator A delta modulation circuit features a variable input voltage which is compared periodically with a quantized previous signal sample, resulting in a digitized output. The digitized output of the comparison controls the selective operation of a switching co... | 02/01/1983 |
| 4370018 | Universal terminal block connector A terminal block connector uses a first nut having an internal thread of a first diameter and type and a second nut coaxially arranged therewith having an internal thread of a second diameter and type. To further the universality of the connector, the fir... | 01/25/1983 |
| 4361824 | Slidewire wiper contact A slidewire wiper contact has a wiper arm mounted at one end on a rotatable shaft while the other end of the arm carries an electrically conductive support extending past the end of the arm. A free end of the electrically conductive support has attached t... | 11/30/1982 |
| 4357637 | Preamplifier circuit A preamplifier for a magnetic record reproducing system includes a differential amplifier construction wherein the input stage may be configured as a differential cascode arrangement for minimum noise at the lower frequency range or to be configured as an... | 11/02/1982 |
| 4353525 | Rotary valve seal A rotary valve has a fluid seal ring which is loosely captured within a valve body and provides a fluid seal at a peripheral edge of a movable member selectively positionable in a fluid conduit. The seal ring has an annular coaxial recess located on an in... | 10/12/1982 |
| 4350166 | Apnea detector A non-contacting apnea detector includes a long wave infrared detecting device which is arranged with a focusing means to define a predetermined field of view. This detector is positioned to include the infant or at least the head and shoulder portion of ... | 09/21/1982 |
| 4350966 | Thermostat assembly An adapter converts a conventional thermostat to effectively approximate a setback thermostat. A conventional thermostat includes a mercury switch which is actuated by a bi-metallic coil. The attachment is interposed between the thermostat and its standar... | 09/21/1982 |
| 4347995 | Bi-directional tape reel brake A bidirectional tape reel brake has a spring loaded movable plate coaxially encircling a motor shaft and arranged to exert a braking force on the motor shaft in proportion to the spring pressure on the brake plate. A brake pad support plate is attached to... | 09/07/1982 |
| 4344632 | Fluid pressure sealing ring for a valve A butterfly valve having a valve body and a valve disc which is rotated to produce an engagement with a peripheral edge of the disc and an annular seat or wall defined by a portion of an internal fluid passage in the valve body uses a seal ring member mou... | 08/17/1982 |
| 4345301 | Capacitive humidity transducer A capacitive humidity transducer having an electrically non-conductive dielectric base carrying a pair of electrically conductive coatings deposited directly on opposite respective sides of the non-conductive base to form parallel capacitor plates. The co... | 08/17/1982 |
| 4343007 | Multi-color multi-point recorder A multi-point recorder has a multi-color ink cartridge arranged to be selectively aligned with a recording head having a plurality of selectively energizable recording elements whereby a color from the multi-color ink cartridge is selected for printing by... | 08/03/1982 |
| 4341537 | Shorting and test mechanism for electrostatic air cleaner A shorting and test mechanism for an electrostatic air cleaner uses an electrically conductive spring element attached to an access door to the air cleaner whereby an opening movement of the door effects a motion of the spring to contact the high voltage ... | 07/27/1982 |
| 4333115 | Tape transport control system A tape transport control system for monitoring the amount of tape on a tape reel using a first transducer means to provide a signal representative of the rotational speed of the tape reel. A fixed frequency oscillator is arranged to provide signals to be ... | 06/01/1982 |
| 4329874 | Calorimetric apparatus A calorimetric apparatus for determining the calorific content of a fuel gas uses a reactor for producing oxidation of the fuel gas and a combustion gas in the presence of a catalytic oxidizer. The catalytic oxidizer is mounted on one end of a thermo-elec... | 05/18/1982 |
| 4329873 | Calorimetric apparatus A calorimetric apparatus for determining the calorific content of a fuel gas uses a reactor for producing oxidation of the fuel gas and a combustion gas in the presence of a catalytic oxidizer. The oxidizer is heated by a constant current supply to a cata... | 05/18/1982 |
| 4329877 | Adjustable overload mechanism for a differential pressure transmitter An adjustable overload mechanism for a differential fluid pressure transmitter includes a first and a second overload control diaphragm and an adjustable spring pressure means for applying an adjustable preload pressure to the control diaphragms. The spri... | 05/18/1982 |
| 4319343 | Programmable digital memory circuit A programmable digital memory circuit uses a programmable read only memory (PROM) to correct code errors and permit expansion to additional PROM chips. Each code correction or expansion is made via enabling a portion of an overlay patch programmable read ... | 03/09/1982 |
| 4317018 | Fail safe control circuit In a control circuit to prevent the overheating of a conductively backed recording medium, a closed loop control circuit is provided wherein heat is provided to the heating electrodes of the circuit by one subcircuit under the control of a speed responsiv... | 02/23/1982 |
| 4315430 | Gas calorific content analyzing apparatus A gas analyzing apparatus for determining the BTU or calorific content of a combustible gas uses a radiometer or optical pyrometer for measuring the temperature of a metal cup black body heated by a flame produced by a combustion of the combustible gas in... | 02/16/1982 |
