Bizarre Patents
Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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 |
| 7446933 | Multi-band hybrid SOA-Raman amplifier for CWDM A multi-band hybrid amplifier is disclosed for use in optical fiber systems. The amplifier uses Raman laser pumps and semiconductor optical amplifiers in series to produce a relatively level gain across the frequency range of interest. Multiple Raman pumps are multi... | 11/04/2008 |
| 7443575 | Discrete hybrid SOA-Raman amplifier with broad gain bandwidth A discrete hybrid amplifier is disclosed for use in optical fiber systems. The amplifier uses one or more Raman laser pumps together with semiconductor optical amplifiers in series to produce a relatively level gain across the frequency range of interest. The Raman ... | 10/28/2008 |
| 7436734 | Shaped high frequency vibratory source The present invention is a method of processing seismic data in which one or more seismic vibrators are activated with one or more pilot signals and vibrator motions are recorded along with seismic data. Vibrator signatures are computed from measured vibrator motion... | 10/14/2008 |
| 7436588 | Method and system for hybrid coherent and incoherent diffractive beam combining A hybrid beam combining system or method combines a plurality of coherent and incoherent light beams into a composite high power diffraction limited beam. N oscillators each transmit light at one of N different wavelengths and each wavelength is split into M constit... | 10/14/2008 |
| 7417788 | Optical logic device The invention uses optically active dyes or other optically active materials to perform digital data processing and logic functions on optical data. The data is carried in pulses of photons of wavelengths appropriate to interact with the optically active materials t... | 08/26/2008 |
| 7417789 | Solar-pumped active device The present invention provides a solar-pumped active device which utilizes a holographic antenna grating on a solar energy silicon substrate to select specific diffracted wavelength and couple pump wavelength in an approximately vertical way and converge the pump wa... | 08/26/2008 |
| 7411728 | Devices and methods for raman amplification and dispersion compensation The present invention provides devices and methods for Raman amplification and dispersion compensation. According to one embodiment of the present invention, a dispersion compensating device includes a dispersion compensating fiber having a dispersion more negative ... | 08/12/2008 |
| 7409117 | Dynamic laser power control for gas species monitoring A gas species monitoring system includes a laser, a fiber amplifier configured to receive an input signal from the laser and generate an amplified signal, and a variable optical attenuation system configured to receive at least a portion of the amplified signal and ... | 08/05/2008 |
| 7409295 | Imminent-collision detection system and process A process of determining an imminent-collision between a vehicle and an object, said vehicle having a sensing system for obtaining one or more images representing at least one observed object within a field of detection, said process comprising: (a) obtaining one or... | 08/05/2008 |
| 7408702 | Bidirectional optical amplifier A bidirectional amplification system and method are disclosed. A single optical line amplifier and isolation loss filters are used to amplify signals in both the east and west directions with sufficient gain along a fiber. ... | 08/05/2008 |
| 7405870 | Method and apparatus for amplified spontaneous emission corrected automatic signal power control of an optical amplifier An optical amplifier system and controller and a method for automatically controlling the usable signal power of an optical amplifier are provided. The method differentiates between the total optical power that includes the amplified spontaneous emission (ASE), and ... | 07/29/2008 |
| 7405997 | Method of accounting for wavelet stretch in seismic data A computer-implemented method of accounting for angle-dependent wavelet stretch in seismic data based on a novel relationship between wavelet stretch and the cosine of a reflection angle of an acoustic ray. Conventional seismic data having at least one wavelet, such... | 07/29/2008 |
| 7403328 | Solar-pumped laser The present invention provides a solar-pumped active device which utilizes a holographic antenna grating on a solar energy silicon substrate to select specific diffracted wavelength and couple pump wavelength in an approximately vertical way and converge the pump wa... | 07/22/2008 |
| 7400552 | Methods and systems for efficiently acquiring towed streamer seismic surveys Methods and systems for efficiently acquiring towed streamer marine seismic data are described. One method and system comprises positioning a plurality of source-only tow vessels and one or more source-streamer tow vessels to acquire a wide- and/or full-azimuth seis... | 07/15/2008 |
| 7400443 | Method and apparatus for optical amplifying device gain control with gain threshold Optical amplifying method and apparatus are proposed. Constant gain amplifiers operate such that the output power of the amplifier generally tracks the input power. However, optical systems are not perfect and the input to the optical amplifier stage includes not on... | 07/15/2008 |
| 7400444 | Optical amplifier and control method for optical amplifier An amount of ASE generated changes due to a temperature and respective powers of signals input to and output from an optical amplifying unit, causing a fluctuation of a gain of the optical amplifying unit. A photodiode on an input side and a photodiode on an output ... | 07/15/2008 |
| 7398141 | Gravity based brake stroke sensor methods and systems Methods and systems for measuring a brake stroke of an air brake assembly utilize a sensor, such as an accelerometer, mountable on a movable component, such as a brake cam shaft, of the air brake assembly that is external of the brake chamber of the air brake assemb... | 07/08/2008 |
| 7397599 | Doped-ring amplifying optical fiber, and an amplifier containing such a fiber The amplifying optical fiber comprises a single-mode core and a multimode core surrounding the single-mode core, the multimode core containing a doped layer referred to as a “doped ring” and having a certain concentration of active rare earth ions to perform amp... | 07/08/2008 |
| 7394589 | Optical amplifier for wide band Raman amplification of wavelength division multiplexed (WDM) signal lights A Raman amplifier providing a wideband gain for use in a wavelength division multiplexing (WDM) optical communication system. In one embodiment, a first optical amplifier Raman amplifies a wavelength division multiplexed signal light in both a first wavelength band ... | 07/01/2008 |
| 7391561 | Fiber- or rod-based optical source featuring a large-core, rare-earth-doped photonic-crystal device for generation of high-power pulsed radiation and method A method and apparatus use a photonic-crystal fiber having a very large core while maintaining a single transverse mode. In some fiber lasers and amplifiers having large cores problems exist related to energy being generated at multiple-modes (i.e., polygamy), and o... | 06/24/2008 |
| 7391674 | Methods and systems for determining orientation of seismic cable apparatus Methods and systems for estimating one or more orientation parameters of a seismic apparatus are described. One method comprises initiating an acoustic signal from an acoustic transmitter in a marine seismic spread comprising a streamer, the streamer having at least... | 06/24/2008 |
| 7391673 | Method of wide azimuth seismic acquisition According to a preferred aspect of the instant invention, there is provided a system and method for acquiring seismic data in a marine environment, wherein at least two source vessels are used in conjunction with a recording vessel which tows a plurality of hydropho... | 06/24/2008 |
| 7386211 | Method and apparatus for spectral-beam combining of megawatt-peak-power beams from photonic-crystal rods A method and apparatus use a photonic-crystal fiber having a very large core while maintaining a single transverse mode. In some fiber lasers and amplifiers having large cores problems exist related to energy being generated at multiple-modes (i.e., polygamy), and o... | 06/10/2008 |
| 7385753 | Hybrid optical amplifier using gain-clamped semiconductor optical amplifier enabling raman amplification Provided is a hybrid optical amplifier using a gain-clamped semiconductor optical amplifier enabling Raman amplification. The hybrid optical amplifier comprises a spool of optical fiber used as transmission line in the optical communication, a GCSOA amplifying optic... | 06/10/2008 |
| 7382683 | Computing an absorption parameter for a mode-converted seismic wave To survey a subterranean structure, measured seismic data is processed using an algorithm for deriving a single-mode absorption parameter. A first absorption parameter for a mode-converted seismic wave is computed based on an output of the algorithm. The first absor... | 06/03/2008 |
| 7379648 | Optical hollow-core delivery fiber and hollow-endcap termination and associated method A method and apparatus use a photonic-crystal fiber having a very large core while maintaining a single transverse mode. In some fiber lasers and amplifiers having large cores problems exist related to energy being generated at multiple-modes (i.e., polygamy), and o... | 05/27/2008 |
| 7379233 | Raman amplifier utilizing pump modulation for expanding gain band width A plurality of pump light sources generate plural variations of pump light having different frequencies. A modulation circuit intensity-modulates the plural variations of pump light in the predetermined periods, respectively. A pump light pair whose frequency differ... | 05/27/2008 |
| 7379235 | Reducing polarization dependence of a wavelength dispersion variation monitor Reducing polarization dependence of a dispersion variation monitor includes receiving an optical signal. The optical signal is split into a first polarized signal having first photons and a second polarized signal having second photons. The first photons are receive... | 05/27/2008 |
| 7379385 | Processing of seismic data acquired using over/under streamers and/or over/under sources Implementations of various techniques for processing seismic data acquired by three or more over/under streamers. In one implementation, the seismic data may be processed by grouping the seismic data into one or more sets of seismic data based on all possible pairs ... | 05/27/2008 |
| 7379386 | Workflow for processing streamer seismic data A method includes conditioning a set of multicomponent seismic data and sensor orientation data, the multicomponent seismic data including pressure data and particle motion data, acquired in a towed array, marine seismic survey; digital group forming the conditioned... | 05/27/2008 |
| 7379237 | Photonic-crystal-rod amplifiers for high-power pulsed optical radiation and associated method A method and apparatus use a photonic-crystal fiber having a very large core while maintaining a single transverse mode. In some fiber lasers and amplifiers having large cores problems exist related to energy being generated at multiple-modes (i.e., polygamy), and o... | 05/27/2008 |
| 7375876 | Optical transmitting apparatus having variable optical transmitting unit including plurality of paths An optical transmitting apparatus includes a variable optical attenuating unit for attenuating signal light variably, an optical amplifying unit for amplifying the signal light, and a looped optical circuit for returning the signal light from the optical amplifying ... | 05/20/2008 |
| 7375879 | Structure with saturable optical absorbent for device for regenerating optical signals The field of the invention is that of devices for regenerating optical signals. It applies more particularly to systems for high-throughput long distance transmission by optical fibres of digital data. While propagating, optical signals necessarily experience attenu... | 05/20/2008 |
| 7375878 | Optical repeater On the upstream side of a quantum dot optical amplifier, a polarization beam splitter with one input and two outputs is provided. Two optical fibers connected to output sections of the polarization beam splitter are connected to input sections of the quantum dot opt... | 05/20/2008 |
| 7375877 | Method and apparatus for long-range lidar and active imaging with optical output from a photonic-crystal rod A method and apparatus use a photonic-crystal fiber having a very large core while maintaining a single transverse mode. In some fiber lasers and amplifiers having large cores problems exist related to energy being generated at multiple-modes (i.e., polygamy), and o... | 05/20/2008 |
| 7372622 | Optical transmission system, optical repeater, and optical transmission method In a WDM transmission system employing a plurality of short wavelength bands having great attenuation due to optical fiber transmission, an optical repeater is constructed of a first multiplexing section and a second multiplexing section. The first multiplexing sect... | 05/13/2008 |
| 7366055 | Ocean bottom seismic sensing system Seismic sensor systems and sensor station topologies, as well as corresponding cable and sensor station components, manufacturing and deployment techniques are provided. For some embodiments, networks of optical ocean bottom seismic (OBS) stations are provided, in w... | 04/29/2008 |
| 7365902 | Optical amplifier and optical communication system An optical amplifier includes a plurality of pump light sources, an intensity modulator that modulates intensity of a pump light to be output from any one of the pump light sources, at a predetermined frequency; a photoelectric converter that converts a part of the ... | 04/29/2008 |
| RE40270 | Optical amplifying device An optical brancher branches an input optical signal into two. An optical detector converts one optical signal branched by the optical brancher into an electrical signal. A first controller generates a control electrical signal having a waveform obtained by invertin... | 04/29/2008 |
| 7362499 | Optical amplifier with pump light source control for Raman amplification A Raman amplifier for amplifying a wavelength division multiplexed (WDM) light including signal lights wavelength division multiplexed together. The amplifier includes an optical amplifying medium and a controller. The optical amplifying medium uses Raman amplificat... | 04/22/2008 |
