Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 8139952 | System and method for measuring the extinction ratio of an optical transmitter using an interferogram wing-to-peak ratio Systems and methods are described that derive a relationship between an optical transmitter's extinction ratio (Er) and its interferogram wing-to-peak ratio (Iwp). The change in an optical transmitter's Iwp correlates with a change i... | 03/20/2012 |
| 8135285 | Optical transmission system and method An optical transmission system for performing frequency synchronization even with a client signal with low frequency accuracy, and for transmitting thereof by accommodating/multiplexing without causing a bit slip. A new overhead is added to the entire client signal,... | 03/13/2012 |
| 8068744 | Optical transmitter In an optical transmitter comprising a directly modulated laser and a wavelength filter provided on a post-stage of the directly modulated laser, the wavelength filter has a modulated light input port for inputting modulated light output from the directly modulated ... | 11/29/2011 |
| 8059967 | Optical pulse generator and optical pulse tester An optical pulse generator includes a light emitting element that emits an optical pulse, and a driver. The driver is configured to apply a pulse driving current to the light emitting element to allow the light emitting element to emit an optical pulse. The driver i... | 11/15/2011 |
| 8023830 | Externally modulated laser optical transmission system with feed forward noise cancellation An optical transmitter for generating a modulated optical signal for transmission over a fiber optic link to a remote receiver including a laser; a modulator for externally modulating the optical output signal with a RF signal to produce an optical signal including ... | 09/20/2011 |
| 8014683 | Transmitter for an optical communication signal A transmitter for an optical RZ-DPSK communication signal comprises a source for an optical carrier, an electro-optical modulator which comprises at least one element having an optical path length adapted to be varied by an electrical driver signal for intensity mod... | 09/06/2011 |
| 7917039 | Signal processing using spectrally phase-encoded optical frequency combs Methods, apparatus and systems for an optical system for data harvesting and pattern recognition. The system includes a mode locked laser for producing a comb of optical frequencies that is split into two identical combs, a wavelength division demultiplexer separate... | 03/29/2011 |
| 7869717 | Optical communication light source unit and wavelength monitoring control method In the present invention, the extremely complicated setting and control and an extremely expensive optical component (wavelength locker) are not required, and optical output wavelength and optical output power can simply be set and controlled at a moderate price. At... | 01/11/2011 |
| 7792432 | Externally modulated laser optical transmission system with feed forward noise cancellation An optical transmitter for generating a modulated optical signal for transmission over a fiber optic link to a remote receiver including a laser; a modulator for externally modulating the optical output signal with a RF signal to produce an optical signal including ... | 09/07/2010 |
| 7778551 | Temperature compensation circuits A differential driver configured to drive an optical source. The differential driver includes an anode transistor configured to connect to a diode anode. The differential driver further includes a cathode transistor configured to connect to a diode cathode. The diff... | 08/17/2010 |
| 7751723 | Method and apparatus for monitoring the power level of two or more optical transmitters Methods and apparatus for monitoring the power level of one or more optical emitters are provided. In some embodiments, optical signals from two or more optical emitters are directed at different regions of a photo detector. The photo detector may include two or mor... | 07/06/2010 |
| 7738794 | Optical transmitter In an optical transmitter comprising a directly modulated laser and a wavelength filter provided on a post-stage of the directly modulated laser, the wavelength filter has a modulated light input port for inputting modulated light output from the directly modulated ... | 06/15/2010 |
| 7738795 | VCSEL with integrated optical filter An example of an optical source includes a VCSEL and a filter. The filter is positioned on the VCSEL and is configured and arranged such that an input to the filter from the VCSEL comprises a directly modulated optical data signal, and a corresponding output of the ... | 06/15/2010 |
| 7734189 | Parallel channel optical communication using modulator array and shared laser An optical transmitter includes a drive laser, a 1×N splitter, and an array of modulators. The 1×N splitter is coupled to split a beam from the drive laser into separated beams, and the modulators modulate the respective beam to represent respective data signals t... | 06/08/2010 |
| 7715728 | Optical transmitter, optical communication system and method for adjusting optical transmitter An optical transmitter includes a light-emitting element, a driving circuit, a temperature detection unit, a storage device and a control circuit. The driving circuit causes, based on an input signal, the light-emitting element to emit an optical signal having a pul... | 05/11/2010 |
| 7657188 | Optical device and circuit using phase modulation and related methods A disclosed apparatus comprises a guiding element and a nonlinear element. The guiding element guides optical input signals, at least one of which is phase-modulated, to an interference area where such signals meet and interfere. The resulting interference signal is... | 02/02/2010 |
| 7653316 | Discretely ITU-T channel grid wavelength tunable single longitudinal mode erbium-doped fiber ring laser Provided is a fiber ring laser capable of obtaining a back-up laser light and standard light having a wavelength continuously tuned in a single mode with equal spacing of 12.5 GHz, 25 GHz, 50 GHz or 100 GHz recommended by ITU-T Recommendation G. 692 & G. 694.1 in a ... | 01/26/2010 |
| 7646988 | Linear amplifier for use with laser driver signal An active linear amplifier circuit mounted in an optoelectronic package includes input nodes for receiving a differential signal pair, a first bipolar transistor, a second bipolar transistor, an electro-optical transducer and a decoupling circuit. A base terminal of... | 01/12/2010 |
| 7593645 | Optical transmitter The present invention provides an optical transmitter comprising one control unit and a plurality of optical sources. Control signals are multiplexed and de-multiplexed as appropriate to enable control of all optical sources by the control unit. ... | 09/22/2009 |
| 7593646 | Upgraded optical communication system with increased transmission capacity and method A method for upgrading a wavelength division multiplex (WDM) optical communication system includes replacing an installed transmitter operable to transmit a data stream at a defined bit rate with a return-to-zero M-ary phased shift keying (RZ-mPSK) transmitter opera... | 09/22/2009 |
| 7561805 | Optical transmitter, optical receiver, optical communication system, and optical transmitter and receiver An optical transmitter has a case. The case houses a laser beam generator, a lens, a cooler, and a high heat conductivity member. The lens concentrates the laser beam generated by the laser beam generator and leads the laser beam to an optical fiber. The high heat c... | 07/14/2009 |
| 7532823 | Light emitting diode driving circuit and optical transmitter for use in optical fiber link An LED driving circuit includes: (a) a current mirror circuit having N-channel MOS transistors whose respective gates are connected with each other, (b) a constant current source for supplying an LED driving current to an N-channel MOS transistor 4, (c) an LE... | 05/12/2009 |
| 7505691 | Optical emission module An optical emission module including an optical emission element, which is driven by a current. A fuse is placed in the current's path. The fuse limits the current through the optical emission element and thereby guarantees that the optical output power of the optic... | 03/17/2009 |
| 7505692 | System and method for optical transmission An optical system that includes an analog laser transmitter having a burst operative mode is disclosed. The system further includes a power controller that is configured to place the analog laser transmitter in the burst operative mode when a digital enable signal i... | 03/17/2009 |
| 7502566 | Light-emitting module A light-emitting module outputting laser beam emitted from a semiconductor light-emitting element via a lens, the light-emitting module includes a first main plane, a mount portion on the first main plane that mounts the semiconductor light-emitting element, a lens ... | 03/10/2009 |
| 7496297 | LED system for illumination and data transmission A LED system (100) for illumination and data transmission employs a LED driver (110), an electronic switch (130), and an illumination unit (150). In a first illumination state, illumination unit (150) receives LED current(s) from L... | 02/24/2009 |
| 7489877 | Optical transmission module According to the invention, an optical transmission module includes a transmission element, and a driver which drives the transmission element. The driver uses a transmission signal that is applied to its driver input to produce a drive signal for the transmission e... | 02/10/2009 |
| 7480463 | LED drive circuit An LED drive circuit, wherein a circuit that drives light-emitting diode with a common connected cathode has a resistor connected to the anode of the light-emitting diode, an NPN-type transistor connected to the second terminal of the resistor that approximately det... | 01/20/2009 |
| 7474857 | Recovering energy from an IrDA/remote control transmitter circuit A portable electronic device with an IrDA transmitter LED is used to transmit both IrDA signals and remote control infrared signals. The device transmits remote control infrared signals with reduced power consumption. During a relatively longer remote control signal... | 01/06/2009 |
| 7466925 | Directly modulated laser optical transmission system An optical transmitter for generating a modulated optical signal for transmission over dispersive fiber optic links in which a broadband analog radio frequency signal input is applied to a modulation circuit for directly modulating a semiconductor laser with the ana... | 12/16/2008 |
| 7440702 | Method for transmitting digital image signal, digital image transmitting device, digital image sending device and digital image receiver A multiplexer of a transmission section generates a clock signal by multiplying a reference clock signal of a digital image signal by a predetermined number ‘K’. A parallel digital image signal is converted into a serial digital signal on the basis of the clock ... | 10/21/2008 |
| 7424221 | Optical network terminal with illegal transmission detection circuitry An optical network terminal, which includes an optical transmitter, monitors the status of the optical transmitter, such as the output or the power consumption of the optical transmitter, to determine when the optical transmitter is illegally transmitting. When an i... | 09/09/2008 |
| 7424228 | High dynamic range radio frequency to optical link A communication system includes an optical transmitter which is differentially driven and an optical receiver that outputs a differential signal. The optical transmitter creates the differential drive signal from an input signal and delivers the differential drive s... | 09/09/2008 |
| 7421209 | Optical wavelength multiplexing FSK modulation method An optical wavelength multiplexing frequency shift keying modulation system. The system includes an optical wavelength multiplexing signal acquisition unit for outputting an optical wavelength multiplexing signal. A n optical frequency shift keying modulation unit a... | 09/02/2008 |
| 7415212 | Data communication system, data transmitter and data receiver A transmitter formed of two or more light-emitting sections such as LEDs, which are physically arranged in a predetermined manner, is disposed in the real world object, and each light-emitting section transmits data by flashing at a flashing pattern representing the... | 08/19/2008 |
| 7412173 | Apparatus for generating optical carrier suppressed return-to-zero An apparatus for generating a Carrier-Suppressed Return-to-Zero (CS-RZ) signal is disclosed. The apparatus includes a mixer, a Low Pass Filter (LPF), a driver amplifier and a single external modulator. The mixer generates a modulator input by mixing data with a half... | 08/12/2008 |
| 7406261 | Unified multi-carrier framework for multiple-access technologies A wireless communication system transmits data on multiple carriers simultaneously to provide frequency diversity. Orthogonality is provided by carrier interference, which causes a narrow pulse in the time domain corresponding to each transmitted data symbol. Select... | 07/29/2008 |
| 7403712 | Matrix time division multiplex (MTDM) interrogation Embodiments of present system encompass: a plurality of laser sources that produce a plurality of respectively different optical wavelengths; a matrix switch having a plurality of inputs operatively coupled to the plurality of laser sources, each of the plurality of... | 07/22/2008 |
| 7400829 | Transmission apparatus and path selection method of a transmission apparatus A transmission apparatus that receives an optical signal by selecting any one of a plurality of provided optical signal transmission paths through protection control is configured to include a plurality of optical signal outputting sections that output the optical s... | 07/15/2008 |
| 7398022 | Optical return-to-zero phase-shift keying with improved transmitters An apparatus and a method for transmitting at least a digital optical signal with return-to-zero phase-shift keying, employing a single optical modulator with dual-drive design, the encoded optical signal having improved spectral efficiency and performances and bein... | 07/08/2008 |
