Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 7782222 | Voltage regulating power supply for noise sensitive circuits A voltage regulating power supply includes: a switching regulator powered by a supply voltage level, the switching regulator for generating a first output voltage in accordance to a first reference voltage; and a linear regulator coupled to the first output voltage,... | 08/24/2010 |
| 7400227 | Fire alarm notification power supply with configurable notification appliance circuits and auxiliary power circuits apparatus and method A power supply for providing excitation to notification appliance circuits (NACs) in fire alarm applications meets revised national and international requirements for both NAC drive and auxiliary load drive tasks with a single circuit configuration. The requirements... | 07/15/2008 |
| 7253610 | Self-powered bicycle signal output device and display apparatus using same A bicycle signal output device comprises a magnet structured to be mounted to one of a first part and a moving part of a bicycle, a coil structured to be mounted to the other one of the first part and the moving part of the bicycle, and a signal generating unit that... | 08/07/2007 |
| 7248152 | Automatic on/off switch for vehicle power outlets A vehicle power outlet switch (10) can include a threshold detector (14) for comparing a predetermined threshold with a vehicle battery characteristic and a power switch (18) controlled by the output of the threshold detector. Note, the vehicle ... | 07/24/2007 |
| 7245228 | Portable electronic apparatus with controlled light sources A portable electronic apparatus has light sources that can be controlled to produce decorative or informational effects. Each light source is controlled by the combination of an enable signal from a 1-bit port of a controller and a PWM signal from a PWM signal from ... | 07/17/2007 |
| 7245226 | Integrated microprocessor controlled alarm Alarms are often required on various vehicles and equipment such as fork lifts, dump trucks, bulldozers, etc. An alarm is disclosed controlled by a microprocessor, which is an integral part of the basic circuit. The alarm has a flat diaphragm, and a novel acoustic l... | 07/17/2007 |
| 7093140 | Method and apparatus for configuring a voltage regulator based on current information A computer system includes a voltage regulator that supplies power to a component. The component may provide a signal indicating an amount of current the component consumes under a high utilization operating condition. The voltage regulator may then determine the sl... | 08/15/2006 |
| 7081827 | Power over Ethernet-prioritized active splitter A POE (power over Ethernet)-prioritized active splitter is disclosed for a prioritized network having different priorities such as a network security system that uses an intelligent POE power supply with a prioritized back-up response, allowing a lower cost UPS (uni... | 07/25/2006 |
| 6956462 | Methods and devices for providing power to network-based systems Circuits provide power to network-based devices, such as IP telephones, using spare conductors within existing LAN cables. The circuits, which may comprise diode bridges, are designed to provide power using existing and planned industry guidelines. ... | 10/18/2005 |
| 6917298 | Solar system alarm backup unit A backup electrical power unit for an alarm panel. The unit comprises a solar panel array which produces an array output DC voltage and a charging current for a battery through a first circuit at a first voltage level of the battery output voltage. This circuit disc... | 07/12/2005 |
| 6859640 | Demodulation capacity of an electromagnetic transponder An electromagnetic transponder including an oscillating circuit adapted to extracting from a radiating field a high-frequency amplitude-modulated signal, circuitry for extracting from said high-frequency signal an approximately D.C. supply voltage, a demodulator of ... | 02/22/2005 |
| 6844823 | Method and apparatus for providing power to a visual messaging system for high-speed networks The present invention a method and apparatus for providing a visual messaging device for use with a high-speed network and an electrical supply system for the visual messaging device. The visual messaging device includes a network interface circuit that receives the... | 01/18/2005 |
| 6819226 | Systems and methods for energy storage in land-based telemetry applications The invention involves systems and methods of providing energy to land-based telemetry devices wherein the energy storage and power conditioning system is comprised of an input power supply, an energy storage element, an output supply and a control system. The input... | 11/16/2004 |
| 6587051 | Power converting apparatus and burglarproof method therefor As the application range of solar power generation systems widens, a number of relatively compact and lightweight inverters must be installed outdoors. However, an inverter has no burglarproof function at all. A burglarproof device which switches the stat... | 07/01/2003 |
| 6549144 | Portable electronic activation device A portable remote activation device having an exceptionally long battery life. The activation device is composed of a receiver unit and a transmitter unit which are normally connected in tandem. The receiver unit includes a receiver, a battery source for ... | 04/15/2003 |
| 6438462 | Semiconductor circuit for an electronic unit A semiconductor circuit for an electronic unit having at least one microcontroller comprises at least one voltage regulator for providing, from a first supply voltage, at least one second supply voltage for the microcontroller and for circuits of the unit... | 08/20/2002 |
| 6307482 | Silenceable speaker with pre-announce tone detection An alarm signaling device (5) operable to produce an alarm signal and, possibly, communicate emergency announcements when triggered by a signal from a central alarm control panel. The alarm includes a speaker or other sound producing device and a silencin... | 10/23/2001 |
| 6184789 | Method and apparatus for visually determining object location A method and apparatus for determining the location of an object. An object to be located can be provided with an object locator that includes a display. When the object locator receives a signal indicating that the object associated with the object locat... | 02/06/2001 |
| 6172612 | Smoke detector with remote testing, shutoff and powering means The present invention discloses improved smoke detector devices. In a preferred embodiment, the invention takes the form of an improved smoke detector of the type having a ceiling-mounted, main housing with an electrical circuit that includes an alarm dev... | 01/09/2001 |
| 5960651 | Theft prevention mechanism for information processing apparatus A theft prevention mechanism is effective to prevent not only a portable information processing apparatus but also a PC card inserted therein from being stolen. The theft prevention mechanism has a main body of the information processing apparatus having ... | 10/05/1999 |
| 5883577 | Multi station smoke detectors A smoke detector that comprises three different power sources. First one is the 110/220 volt AC house current, through a step down transformer or that can be hard wired into the home or factory. Second one is a moveable 9 volts rechargeable backup battery... | 03/16/1999 |
| 5786644 | Two wire PIR occupancy sensor utilizing a rechargeable energy storage device A two wire detection device includes a relay switch setable to a high and a low impedance state and electrically coupled between a first terminal of an AC source and a first leg of a load, a second leg of which is connected to a second terminal of the AC ... | 07/28/1998 |
| 5602532 | Audio coupled annunciating system for electrical panel boxes An electrically powered annunciating system, for use in electrical panel boxes, having a sensing circuit including a first acoustical transducer to transmit a sonic signal to an annunciating circuit having a second acoustical transducer at a spaced distan... | 02/11/1997 |
| 5570077 | Ambient condition detector with high intensity strobe light A drive circuit for use with an ambient condition detector limits heat dissipation and associated temperature rises in the presence of varying RMS values of an applied AC signal. The drive circuit includes a voltage doubler with a current regulator locate... | 10/29/1996 |
| 5539383 | Water detection alarm An electric alarm which includes a dual tone electronic chime, light emitting diode (LED) indicators, electronic circuitry, batteries, and with the exception of the AC adapter and the water sampler, all active and passive devices are housed in a small box... | 07/23/1996 |
| 5274358 | Personal safety device having microprocess control and method for operating the same A personal safety device controlled by a microprocessor which responds to commands, such as activation and deactivation commands. The microprocessor acts to control sound emitted from two separate speakers. The sound is controlled through digital outputs ... | 12/28/1993 |
| 5182542 | Smoke alarm and air cleaning device An air cleaner with a smoke alarm unit for a forced air recirculating system is disclosed. The smoke alarm unit is housed within a module that fits within the frame of the air cleaner with minimal impact on the cleaning ability of the cleaner. In a prefer... | 01/26/1993 |
| 5144283 | Energy efficient alarm system and regulative central control unit An alarm system includes an electronic central controller or control unit with an internal intrusion sensor. The controller is powered by a single nine volt battery. The system can be expanded by adding auxiliary sensors such as sound discriminators, glas... | 09/01/1992 |
| 4980672 | Overhead socket smoke detector with theft alarm An overhead socket smoke detector with a theft alarm includes a case with a bulb base at one end and a lamp socket at an opposite end and connected to the bulb base by a socket switch which is closed by a lamp received in the socket to electrically activa... | 12/25/1990 |
| 4929931 | Battery monitor There is disclosed a battery monitor for monitoring a plurality of conditions of a battery utilized within a system as the primary or auxiliary power source of the system. The battery monitor includes a voltage measuring means for measuring the voltage of... | 05/29/1990 |
| 4634975 | Method and apparatus for producing electromagnetic surveillance fields Methods and apparatus for producing alternating electromagnetic fields for use in theft detection and surveillance systems include individual series-type electrical drive circuits for separately energizing each of the field-generating coil windings with m... | 01/06/1987 |
| 4345242 | Gas detector A gas detector (11) provides a comparator (22) having a plurality of inputs to provide a simplistic but yet reliable sensing sequence for detecting a contaminated gas such as carbon monoxide. A first input (55) is supplied from an enable circuit (41) whic... | 08/17/1982 |
| 4270123 | Detector for indicating a fire or detector malfunction A fire detector provided with a warning system, a reference element and an analysis element whose impedance varies in the presence of a rise of temperature and/or radiation and/or combustion gas, said reference and analysis elements being connected in ser... | 05/26/1981 |
| 4199753 | Integrated circuit for detecting changes in light intensity An integrated circuit employing a photo-diode activates an alarm when an intruder causes a change in the ambient light patterns by more than about 5% in an area under surveillance. The circuit includes a voltage regulator for supplying a back bias voltage... | 04/22/1980 |
| 4150369 | Intrusion alarm system An intrusion alarm system is described which includes multiple-input intruder sensing circuits, the outputs of which are fed via separate logic NAND circuits, to bistable latch circuits which then supply signals to an alarm latch circuit. One of the bista... | 04/17/1979 |
| 4103298 | Alarm device An indicator device for providing a high-intensity visual indication of an occurrence comprises a flash tube which is fed with a high voltage from a capacitor, the capacitor being charged by means energized from an intrinsically safe supply. Trigger pulse... | 07/25/1978 |
| 4065759 | Smoke detector A smoke detector working on the principal of interference of light between an L.E.D. source and a phototransistor receiver detects differences in smoke emission regardless of the color of the smoke. A pulsating power supply automatically turns the power t... | 12/27/1977 |
| 4063227 | Smoke detector Smoke detector apparatus characterized in the utilization of solid state components in conjunction with standard primary batteries as a power source. Operating under photo-optical principles, the apparatus incorporates a solid state detector which, while ... | 12/13/1977 |
