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.
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 |
| 7335871 | Low power switching for antenna reconfiguration Methods and systems for low power switching are provided. In one embodiment, an optical switching system is provided. The system comprises at least one optically controlled switch adapted to maintain one of an open state and a closed state based on an associated lig... | 02/26/2008 |
| 7259780 | Image sensor with designatable read-out range A compact, energy efficient image sensor which enables transfer of images to an external system is made compact in size and low in power consumption comprises an image sensor control circuit 20 which operates to drive a CCD image sensor 4 and stores ho... | 08/21/2007 |
| 7202897 | Solid-state image pickup exposure control system and method If image data of a prior frame and image data of a current frame are compared with each other, a resulting image appears doubled because the distance of travel of an object within one frame becomes long when the object moves quickly. In a focal-plane shutter ... | 04/10/2007 |
| 7145142 | Sensor device which detects a physical change amount or a chemical change amount A sensor device includes a sensor array in which infrared sensors are arrayed and a detection circuit connected to the output signal line of the sensor array. The detection circuit includes a capacitor having a charging circuit which is selectively driven, a sense a... | 12/05/2006 |
| 7113212 | Solid state imaging device, signal processing method and driving method therefor and camera A solid state imaging device and a signal processing method therefor as well as a camera by which a reference signal for cancellation of vertical string-like fixed pattern noises can be obtained readily. In an initial stage after a power supply to the device is made... | 09/26/2006 |
| 7084915 | Apparatus for driving an image device An apparatus, which drives an imaging device of a full frame transfer type, comprises an accumulating period calculating processor and a voltage control processor. In the imaging device, a light receiving element and a vertical transfer passage are common. The accum... | 08/01/2006 |
| 7015520 | Charge-coupled devices having efficient charge transfer rates A camera includes a charge-coupled device having a substrate or well of a first conductivity type; a buried channel of a second conductivity type; a dielectric disposed on the substrate; six gates disposed on the dielectric that are space oriented sequentially 1 | 03/21/2006 |
| 7009647 | CMOS imager having a JFET adapted to detect photons and produce an amplified electrical signal A photodetector is formed in a CMOS circuit using a junction field-effect transistor (JFET). The JFET/CMOS photodetector can be used to create an active pixel sensor for a CMOS digital imager, performing both photodetection and electrical signal amplification, allow... | 03/07/2006 |
| 6989701 | Pulse width modulation driving apparatus for light emitting diode A PWM driving apparatus for an LED includes a sawtooth wave generator (1) for generating a sawtooth wave signal, a comparator (2), an FET (3), a first resistor (4), a second resistor (5), a power supply (7), and a light emit... | 01/24/2006 |
| 6919609 | High speed detectors having integrated electrical components An opto-electronic device configured as a photodetector has a capacitor and/or resistor monolithically formed on a surface of the photodetector. The capacitor capacitively couples the AC ground of the photodetector to the bias terminal of the photodetector. The on c... | 07/19/2005 |
| 6914701 | Digitizer with improved dynamic range and photometric resolution A digitizer having a dual exposure technique is combined with an associated LUT for each exposure. Each LUT may have a transfer function including a logarithmic operator resulting in a digitized image with improved photometric resolution and increased dynamic range.... | 07/05/2005 |
| 6825708 | Apparatus and method for an offset-correcting sense amplifier An apparatus and method for a sensing circuit for cancelling an offset voltage. Specifically, in one embodiment, a CMOS inverter amplifier amplifies an input signal present at an input node. A resistive feedback circuit is coupled to the CMOS inverter amplifier for ... | 11/30/2004 |
| 6476954 | Optical communication device and receiving circuit thereof An optical communication device includes a receiving circuit that generates an accurate voltage signal from received light. The voltage signal is then used to quickly and accurately determine emission information which is used to adjust the emission level... | 11/05/2002 |
| 6445022 | Increasing pixel conversion gain in CMOS image sensors A pixel sensor system that includes a photo-sensor, an output amplifier, and a feedback capacitor. The photo-sensor is configured to receive photons and to convert the photons into charge. The output amplifier has at least two transistors in a cascoded co... | 09/03/2002 |
| 6437635 | Amplification type solid states imaging device output circuit capable of stably operating at a low voltage An amplification type solid state imaging device output circuit includes a source follower circuit and a current mirror circuit. The source follower circuit is formed of a first MOS transistor Q11 and a second MOS transistor Q15 that is used as a load and... | 08/20/2002 |
| 6423994 | Active pixel sensor with inter-pixel function sharing An image sensor having a plurality of pixels comprising a semiconductor material of a first conductivity type with at least two adjacent pixels, each of the pixels has a photodetector formed within the substrate and an electrical function that is shared b... | 07/23/2002 |
| 6376826 | Polarity-independent optical receiver and method for fabricating same A polarity-independent optical receiver is constructed so that the bias voltage applied to the optical receiver may be applied in a polarity-independent manner. The polarity-independent optical receiver is also constructed in a balanced arrangement, thus ... | 04/23/2002 |
| 6326603 | Charge balance type photodiode array comprising a compensation circuit In order to improve the noise performance of a charge balance type photodiode array by reducing error influences, e.g. due to offset voltages, flicker and/or thermal noise, on a desired signal a compensation circuit is inserted in each channel of this arr... | 12/04/2001 |
| 6320330 | Illuminating electronic device and illumination method A display and keyboard illumination of battery-operated portable electronic devices using LEDs are provided. A flyback converter is modified into a dedicated converter suitable for using two LEDs and their diode-like operation is utilized. Firstly, a spec... | 11/20/2001 |
| 6259308 | Optical coupling semiconductor switching circuit An optical coupling semiconductor switching circuit to be coupled to a light emitting device for controlling electric circuits. The switching circuit includes a light detector generating voltage in response to light from the light emitting device and an i... | 07/10/2001 |
| 6201270 | High speed CMOS photodetectors with wide range operating region and fixed pattern noise reduction A CMOS charge-integration mode photo-detector built on an n-type substrate is disclosed in this invention. This photo-detector includes a p+n photodiode with the n-type substrate constituting an n-region and a p+ diffusion region disposed near a top surfa... | 03/13/2001 |
| 6201233 | Position detection element, position detection device, and position input device A position detection element is provided with a photoelectric conversion unit comprising a plurality of pixels arranged on a straight line, a switch group for switching the output of pixels, the first memory group, the second memory group, the first switc... | 03/13/2001 |
| 6160281 | Active pixel sensor with inter-pixel function sharing An image sensor having a plurality of pixels comprising a semiconductor material of a first conductivity type with at least two adjacent pixels, each of the pixels has a photodetector formed within the substrate and an electrical function that is shared b... | 12/12/2000 |
| 6043525 | High speed CMOS photodetectors with wide range operating region A CMOS charge-integration mode photo-detector built on an n-type substrate is disclosed in this invention. This photo-detector includes a p+n photodiode with the n-type substrate constituting an n-region and a p+ diffusion region disposed near a top surfa... | 03/28/2000 |
| 6008687 | Switching circuit and display device using the same A switching circuit has switching elements for passing-through or cutting-off signals of a positive pulse, which is a rectangular pulse rising from a low level and falling after having kept a high level for a certain time as a high voltage input signal, a... | 12/28/1999 |
| 5912568 | Led drive circuit An LED drive circuit comprising a plurality of LEDs coupled together in parallel, the LEDs configured to be powered by a battery. A current source coupled to the LEDs provides a current signal level for driving the LEDs. A current sensor circuit is couple... | 06/15/1999 |
| 5900769 | Two-dimensional CCD having storage cells for withdrawing charge packets from transfer channels during horizontal scan periods A two-dimensional image sensor comprises a matrix array of photodiodes and multiple vertical shift registers horizontally divided into an imaging part and a memory part. During a vertical blanking period, the imaging part receives charge packets from the ... | 05/04/1999 |
| 5869857 | CMOS photodetectors with wide range operating region A CMOS charge-integration mode photo-detector built on an n-type substrate is disclosed in this invention. This photo-detector includes a p+n photodiode with the n-type substrate constituting an n-region and a p+ diffusion region disposed near a top surfa... | 02/09/1999 |
| 5867045 | Signal processor comprising means for holding output signals of image sensors and means for mixing the held signals A signal processor with a simplified circuit configuration provides an improved processing speed and can be realized of small size and at inexpensive cost. The signal processor includes signal holding means for holding output signals from plural signal so... | 02/02/1999 |
| 5856686 | Amplifying type solid-state imaging apparatus and method for driving the same An amplifying type solid-state imaging apparatus includes an amplifying type photoelectric conversion device. The device including a transistor for accumulating a charge generated by incident light as a signal charge in a charge accumulation region proxim... | 01/05/1999 |
| 5834763 | Low noise photon coupled circuit A photon coupled circuit comprises a high quantum efficiency semiconductor light emitter (TDA) coupled with low photon losses to a high quantum efficiency semiconductor light detector (OLD). Bias current is provided to both the light detector (OLD) and li... | 11/10/1998 |
| 5815025 | Intensity controlling circuit device for LED-array head having a plurality of LED-array chips An intensity controlling circuit device can correct variation in intensity of light beams, due to tolerance occurred in each of a plurality of LED-array chips, emitted by LEDs provided in each of the LED-array chips. The intensity controlling circuit devi... | 09/29/1998 |
| 5736881 | Diode drive current source A current source that uses a regulated constant current power source to supply current to drive a load, and the load current is controlled by shunt switches. If a plurality of loads utilize less than 50% duty factor, then one current source can drive N mu... | 04/07/1998 |
| 5661293 | Photodiode array with photodiode/extraction diode combinations with dark current thereof regulated to zero A solid-state radiation detector, including a photodiode array, is suitable for use in computed tomography, with the dark current of the photodiodes being compensated. The compensation is accomplished by an adjustable voltage source connected to the photo... | 08/26/1997 |
| 5517151 | Intensity controlling circuit having fuses and EPROMs for LED-array head An intensity controlling circuit device can correct variation in intensity of light beams, due to tolerance occurred in each of a plurality of LED-array chips, emitted by LEDs provided in each of the LED-array chips. The intensity controlling circuit devi... | 05/14/1996 |
| 5475333 | Built-in drive power-source semiconductor device A built-in drive-power-source semiconductor device of low cost having a good switching characteristic and a decreased switching loss. In operation, a reference charge potential is applied to a charging IGBT by a first constant voltage diode thereby turnin... | 12/12/1995 |
| 5434437 | Solid state image sensor and its driving method The solid state image sensor of the invention comprises a plurality of photosensitive elements arranged in a matrix form, a vertical shift register disposed adjacent each column of the photosensitive elements and adapted to vertically transfer signal char... | 07/18/1995 |
| 5432470 | Optoelectronic integrated circuit device There is disclosed on optoelectronic integrated circuit comprising, a plurality of channels each including an optical receiving device for converting a received optical signal to an electric signal, and an amplifier for amplifying an output signal of the ... | 07/11/1995 |
| 5396121 | Solid-state imaging device and a method for driving the same A method for driving a solid-state imaging device which includes the steps of (1) reading a signal from an i-th pixel in the pixel portion into a vertical charge transfer portion over k bit portions thereof starting from the i-th bit portion thereof; (2) ... | 03/07/1995 |
| 5391997 | Optically isolated N-channel MOSFET driver An optically isolated N-channel MOSFET driver turns on a MOSFET device in response to an optical input signal to drive a load. The turn-on time of the MOSFET is enhanced by a current boost circuit. As the MOSFET transcends to an on state and delivers curr... | 02/21/1995 |
