Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 7362258 | Transponder detection system using radio and light wave signals A target object detection system for detecting a target object using a detector and a tag on the target object; the tag includes a radio wave receiver receiving radio wave from the detector; a light receiver receiving a light signal from the detector; a receipt sign... | 04/22/2008 |
| 7229023 | Radio and optical identification tags An identification tag is formed with a single microcircuit. The microcircuit includes an optical transceiver, a radio transceiver, both connected to a memory storing an identification code. At least one of the transceivers operates in receive mode, and at least one ... | 06/12/2007 |
| 7212224 | Pixel clock creation method, pixel clock creation device, optical scanning device, and image forming apparatus In a pixel clock creation method and device, a high frequency clock is created. A scanning time needed to scan a predetermined scanning length is detected in accuracy of half a period of the high frequency clock to output a detection value indicating the detected sc... | 05/01/2007 |
| 7154395 | Interactive wireless tag location and identification system A wireless location and identification system includes a controller and a tag. The controller has a projector configured to generate a unique temporal sequence of light intensities for each pixel in an output image of the projector and a wireless transceiver configu... | 12/26/2006 |
| 7151979 | System and method for tracking inventory An RFID enabled paper roll includes a tubular core, a paper stock wound around the core, and a radio frequency integrated circuit electrically coupled to an antenna and positioned on the core. A system for reading a radio frequency integrated circuit positioned on a... | 12/19/2006 |
| 7136109 | Self-adjusting pixel clock and method therefor A pixel clock generating circuit is provided in which a digital circuit generates a first signal corresponding to the relative frequency of the pixel clock as compared with a predetermined desired pixel clock frequency. An analog circuit is electrically coupled to t... | 11/14/2006 |
| 7069110 | System and method for tracking inventory An RFID enabled paper roll includes a tubular core, a paper stock wound around the core, and a radio frequency integrated circuit electrically coupled to an antenna and positioned on the core. A system for reading a radio frequency integrated circuit positioned on a... | 06/27/2006 |
| 7050080 | Image forming apparatus for controlling image writing by adjusting image clock In an image forming apparatus which uses a semiconductor laser as a light source, a semiconductor laser is controlled by adjustment of an image write-in clock, and a highly accurate scanning position alignment is performed with a simple structure. An optical unit sc... | 05/23/2006 |
| 7030360 | Photoreceptor A photoreceptor is provided with an erroneous operation detection circuit for monitoring an output signal supplied from a slew rate variable output stage. The erroneous operation detection circuit performs such controls that a slew rate of output is decreased within... | 04/18/2006 |
| 6943333 | Light arrangement for vision system including a light controller with an external device A lighting arrangement for use in vision systems and imaging applications. The arrangement illuminates the object to be imaged with a supplied light of a specified illumination. The intensity, hue, and directionality of the supplied light can be varied. The desired ... | 09/13/2005 |
| 5770389 | Apparatus and method for determining the quanity of an analyte in a biological sample by means of transmission photometry A device and method for quantitative determination of an analyte in a biological sample utilizes a non-transparent support medium for retaining a chromatogenic reaction product with the medium being exposed to a source of light for transmitting therethrou... | 06/23/1998 |
| 5750980 | High-speed, high-resolution optical scanner system A high-speed, high-resolution optical scanner system includes a flying spot scanner for scanning a beam across an object bearing information to be read and a high-bandwidth, high-sensitivity optical receiver including an avalanche photodiode for sensing t... | 05/12/1998 |
| 5712476 | Electrophoresis and fluorescence detection apparatus An improved electrophoresis and fluorescence detection apparatus has an electromagnetic radiation sensor juxtaposed with a sensing region. The output signal from the electromagnetic radiation sensor is a current signal, and the current signal is converted... | 01/27/1998 |
| 5635705 | Sensing and selecting observed events for signal processing Circuitry for sensing a relatively large number of events, and outputting to processing circuitry only those events which have two characteristics: (1) a magnitude above a preselected threshold level, and (2) a rate of change greater than a preselected ba... | 06/03/1997 |
| 5602587 | Correction of influence of alternating voltage coupling in a signal chain of scanning opto-electronic sensors A method for correction of influence of alternating voltage coupling in a signal chain of scanning opto-electronic sensors on radiometric data thereof is carried out by firstly ascertaining, and storing, characteristic times from the time constant of a RC... | 02/11/1997 |
| 5581078 | Ballistic optical camera trigger A ballistic optical camera trigger having an integrated circuit capable of onverting light to a proportional frequency, wherein the integrated circuit has a fast response time and a wide dynamic range which allows it to sense positive or negative changes i... | 12/03/1996 |
| 5436442 | High temperature photodetector array An optical detection system includes an array of photodetectors, each of which is positioned for receiving light and converting the light into an electrical signal. A plurality of high pass filters is positioned with each one of the high pass filters elec... | 07/25/1995 |
| 5391890 | Method of sensing variations in a consistency of a fabric and an apparatus for carrying out such method The apparatus has an optical reflecting sensor, an operational amplifier buffer with the electrical input connected to the output of the optical sensor, structure for averaging and delating a signal picked up at the output of the sensor, structure for the... | 02/21/1995 |
| 5387790 | Light intensity detection and measurement circuit for measuring the duration of the discharge cycle of a capacitor network A circuit measures the intensity of a monitored light beam by generating a signal which is of a specific time duration corresponding to light intensity. The circuit utilizes a photosensitive element for receiving the light and producing a variable control... | 02/07/1995 |
| 5367156 | Resonance-type optical receiver and receiving method for low-frequency signals The present invention provides a resonance-type optical receiver circuit which keeps predetermined small distortion even when the received light level becomes high. The resonance-type optical receiver circuit varies the resistance value of variable resist... | 11/22/1994 |
| 5293048 | Laser sensor for detecting the presence of an object in continuous motion A laser based noncontact detection system is disclosed which is useful in automated manufacturing. The sensor system detects the presence or absence of an object that is either rotating or in some other continuous repetitive motion such as a rotating dril... | 03/08/1994 |
| 5252817 | Detector system for detecting the occurrence of welding using detector feedback A power supply circuit for a liquid crystal welding lens or shutter develops a relatively low voltage AC signal for driving or powering the liquid crystal shutter to the clear state and two relatively higher or larger magnitude AC electrical signals for i... | 10/12/1993 |
| 5243179 | Laser warning device with dividing and filtering of the incident beam A laser warning device for sector-by-sector surveillance of the air space, comprises a plurality of module sections such that each surveyed sector is coupled through an optical antenna and an optical buffer to a module section. Each module section include... | 09/07/1993 |
| 5220179 | Method of and apparatus for detecting the presence of vapor and/or smoke in the outgoing air of a device for heating materials A method of and apparatus for differentiated measurement of smoke and/or vapor in the outgoing air of a device, especially a microwave unit for disinfection and sterilization of goods includes the steps of deriving a signal commensurate with the presence ... | 06/15/1993 |
| 5155353 | High dynamic range integrated opto-electronic sensor and MOSFET amplifiers for pulsed light A monolithic integrated circuit using MOSFETs operatively configured in weak channel inversion made wherein pulses of light by interest are identified by identifying levels of light signal that exceed a threshold difference between a detected light level ... | 10/13/1992 |
| 5134277 | Remote data transfer system with ambient light insensitive circuitry A remote data transfer system, particularly an identification system for identifying objects such as livestock, pets and containers. An interrogator generates a directional light beam which the operator can direct at a selected animal or package up to 30-... | 07/28/1992 |
| 5057820 | Optical warning system A lightning and strobe light detector and warning system capable of distinguishing strobe light and lightning flashes and indicating to an operator of the existence of a flash even under high illumination background conditions. The device may comprise a p... | 10/15/1991 |
| 5013903 | Lightwave receiver having differential input A lightwave receiver, suitable for CATV applications, includes an input photodiode that is capacitively coupled to the differential inputs of a balanced amplifier. Biasing of the photodiode may be achieved by connecting the photodiode in series between a ... | 05/07/1991 |
| 5008526 | Photodetector output coupling with low and high frequency outputs There is provided by this invention a photodetector and circuitry connected thereto wherein separate outputs are produced for low frequency and high frequency signals of the light impinging on the photodetector.... | 04/16/1991 |
| 4973837 | Proximity detectors with dual-speed tracking circuitry A proximity detector in which a sensor unit (10) senses reflected energy received from a predetermined volume or zone and generates an electrical signal representative of the received energy. Circuit means process the received signals to control the opera... | 11/27/1990 |
| 4797556 | Optical continuity testing apparatus with pulsating transmitter A receiver for receiving an optical test signal from an optical transmitter pulsating at a selected repetition rate is disclosed. The receiver comprises an optical detector for sampling the test signal and generating a voltage signal pulsating at the repe... | 01/10/1989 |
| 4731529 | Light measuring circuit having circuitry for bypassing a low frequency component in the output of a photoelectric conversion element A light measuring circuit, consisting of an amplifying circuit amplifying the output of a photoelectric conversion element, is arranged to detect the occurrence of a low frequency component in the output of the photoelectric conversion element that comes ... | 03/15/1988 |
| 4694156 | Pixel placement sensing arrangement using split detecting elements A pixel placement sensing arrangement, useable in a spatial synchronization system, having a split photodetector, RC integrating circuits having time constants long relative to the exposure time of the photodetector connected to the respective halves of t... | 09/15/1987 |
| 4659939 | Optical scanning system including an amplifier An optical scanning system including an amplifier which automatically adjusts the background reference level. A photodetector, which is preferably a photocell, detects light reflected from or transmitted through objects such as code markings on forms and ... | 04/21/1987 |
| 4645919 | Photosensitive motion detector apparatus An improved photosensitive motion detector which detects abrupt changes within a field of view while ignoring gradual changes in ambient lighting therein. In addition, sensitivity to such changes is maintained without regard to the intensity level of the ... | 02/24/1987 |
| 4626676 | Light detector having a photodiode with bias control The detector comprises an avalanche photodiode for receiving a light beam, a circuit for measuring the mean current across the avalanche photodiode and a bias voltage source. That source is controlled by the circuit for applying to the photodiode a bias v... | 12/02/1986 |
| 4614866 | Pulsed light detection circuit Improved circuitry for detecting pulsed infrared light which is particularly suitable for use with laser therapeutic devices. Laser therapeutic devices generally utilize pulsed laser energy of infrared wavelengths. Because such light is invisible the oper... | 09/30/1986 |
| 4516019 | Light detector circuit A light detector circuit is described in which the baseline level of the output signal of a light detector is stabilized by feeding back a control signal to an element that has a voltage variable resistance and is connected in series with the light detect... | 05/07/1985 |
| 4464049 | Illumination flicker meter An illumination flicker measuring device having a photodiode detector producing a signal proportional to the illumination being measured. An input amplifier for increasing the level of the signal produced by the photodiode detector. A capacitor is inserte... | 08/07/1984 |
| 4445031 | Leader tape detecting circuit A leader tape detecting circuit which accurately detects the presence of a leader of a cassette tape independently of the type of tape or its condition. A light receiving element such as a phototransistor is disposed to detect the quantity of light passin... | 04/24/1984 |
