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 |
| 8149648 | Method of processing echo pulses, and pulse-echo ranging system using the method Error correction in an echo pulse is performed by periodically (for example, every 100th pulse) generating a parabola derived from a selected part of the pulse leading edge. An error value is generated from the distance from a leading edge reference point to the pea... | 04/03/2012 |
| 8144544 | Method of processing echo profile, and pulse-echo system for use with the method An echo profile in a pulse-echo ranging system is processed by determining the relative slope at points on the profile, determining the relative area of each region of positive slope on the profile, identifying within the region having the largest relative area a po... | 03/27/2012 |
| 8116169 | Active sonar system and active sonar method using noise reduction techniques and advanced signal processing techniques An active sonar system and associated method combine signals from a plurality of receive beams in order to reduce a noise in a reference one of the signals from the plurality of receive beams. ... | 02/14/2012 |
| 8107318 | Sonar scanner Detecting an object using sound waves includes outputting a sound wave from a transducer, receiving an echo after outputting the sound wave, obtaining a threshold value based on the echo and plural other echoes that are within a predetermined range of the echo, and ... | 01/31/2012 |
| 8081539 | Ultrasonic sensor For an ultrasonic sensor at least one sensitivity parameter or sensitivity characteristics curve may be adjusted as a function of the air humidity and/or temperature in such a way that a predefined range or a range section may be reliably reached. Such a sensor make... | 12/20/2011 |
| 8000169 | Object detecting apparatus, opening and closing control system for vehicle using object detecting apparatus, and method of detecting upstroke of envelope An object detecting apparatus detecting an object position based on a reflected wave generated by reflection of a transmitted ultrasonic wave from the object includes a transmitting portion transmitting the ultrasonic wave, a receiving portion receiving the ultrason... | 08/16/2011 |
| 7929374 | Multi-static object tracker using specular cue initiation and directed data retrieval Methods, computer-readable means, and systems for minimizing false alarm rates and operator loading while conducting multistatic active sonar operations are disclosed. A plurality of sensor nodes is established, with each sensor node including an active sonar source... | 04/19/2011 |
| 7885144 | Time-dependant gain control for an amplifier used in receiving echoes An amplifier circuit to amplify a sequence of echoes and to generate a corresponding sequence of amplified signals. In an embodiment, the amplifier includes an operational amplifier, with variable input and feedback resistances such that the ratio of the two resista... | 02/08/2011 |
| 7688676 | Sonar scanner Detecting an object using sound waves includes outputting a sound wave from a transducer, receiving an echo after outputting the sound wave, obtaining a threshold value based on the echo and plural other echoes that are within a predetermined range of the echo, and ... | 03/30/2010 |
| 7668045 | Ultrasonic distance measurement method and device by extracting the period of a received signal from noise using a dual-threshold comparator The present application discloses a method of and an apparatus for measuring a distance using an ultrasonic wave. The method of measuring a distance using an ultrasonic wave includes the steps of receiving through an ultrasonic sensor a signal from an ultrasonic tra... | 02/23/2010 |
| 7649806 | Markov sequential detector The initial detection of a signal of interest in a data stream involves transmitting a signal received by a sonar or a radar to signal detection equipment wherein a signal of interest is characterized by a state model x(t) with values in a finite set {x1,... | 01/19/2010 |
| 7522472 | Obstacle detection system An obstacle detection system has multiple ultrasonic sonars. When a threshold value used for determining an existence of an obstacle is compared with a receiving signal having been amplified at a predetermined gain, the sonar having a receiving mode is provided with... | 04/21/2009 |
| 7499375 | Method for detecting an obstacle in the detection area of a detection device A method and a device for monitoring a space for the presence of a foreign body comprises at least one transmitter and a first and second receiving device. The signal of the second receiving device which is spaced further apart from the transmitter than the first re... | 03/03/2009 |
| 7486590 | Ultrasonic sensor comprising an adjustable detection area The invention relates to an ultrasonic sensor with an adjustable detection range for use in gaseous media, preferably air. A threshold value generator generates threshold value curves that are fed to a comparator. The change in the detection range of the ultrasonic ... | 02/03/2009 |
| 7463553 | Underwater detection device In an under water detection for detecting the phase difference of an echo by two reception beams according to a split beam method, the difference Δθ between the phase difference of an echo detected by first and second reception beams formed in some direction and t... | 12/09/2008 |
| 7417922 | Obstacle detection device and method for estimating receiving time An obstacle detection device includes a transmitting portion for sending ultrasonic wave, a plurality of receiving portions provided at different positions and receiving reflected waves of the ultrasonic wave, a plurality of envelope wave acquiring portions for acqu... | 08/26/2008 |
| 7408448 | Parking sensor apparatus and method to keep air brakes from interfering with the parking sensor apparatus A parking sensor apparatus and method to keep air brakes from interfering with the parking sensor apparatus allow the parking sensor apparatus to be used with vehicles that have air brakes. The ultrasonic components of air brake noise is detected, and the alarm is b... | 08/05/2008 |
| 7388809 | Fish finder that transmits ultrasonic waves, receives echo signals, and performs interference removal A fish finder includes a transducer that repeatedly transmits ultrasonic pulse signals downward into the water and receives signals from the water, a first signal generating unit that generates a first signal on the basis of a reception signal at an identical depth ... | 06/17/2008 |
| 7376047 | Method for processing an echo profile and a pulse-echo ranging system Pulse-echo ranging system are used in level measurement applications for determining the distance to a target object by measuring how long after transmission of a pulse an echo pulse is received. An echo profile (17) is generated and then processed to determi... | 05/20/2008 |
| 7369460 | Sonar scanner Detecting an object using sound waves includes outputting a sound wave from a transducer, receiving an echo after outputting the sound wave, obtaining a threshold value based on the echo and plural other echoes that are within a predetermined range of the echo, and ... | 05/06/2008 |
| 7360417 | Fluid level detector A fluid detector for determining a presence of a fluid within a container includes a piezoelectric element that outputs a first ultrasonic signal in response to an input electrical signal and a lens with an upper portion and a lower portion. The piezoelectric elemen... | 04/22/2008 |
| 7349291 | Pulse-echo ranging system A method and apparatus for controlling pulses in a pulse-echo level measurement or time-of-flight ranging system. The apparatus comprises a controller, a transducer, and an energy storage device. The energy storage device is operatively coupled to the transducer thr... | 03/25/2008 |
| 7350234 | Intrusion tolerant communication networks and associated methods An intrusion tolerant communication network and related methods is provided that places emphasis on continuity of operation and provides for an attack-survivable communication network whose network devices collectively accomplish the specified networking intent even... | 03/25/2008 |
| 7333900 | Automatic parasitic echo storage Described is a method for automatically initiating an update of a parasitic echo storage device in a fill level meter operating according to a runtime method. In this method individual echoes of echo curves of different ages are allocated, according to their typical... | 02/19/2008 |
| 7331469 | Vibratory separator with automatically adjustable beach A vibratory separator having a basket for supporting screen apparatus for treating material, the basket pivotably mounted on a base, vibratory apparatus connected to the basket for vibrating the basket, the material forming a pool on the screen apparatus, and a beac... | 02/19/2008 |
| 7327635 | Adaptive comparator circuit and acoustic distance sensor comprising said circuit The invention relates to an adaptive comparator circuit comprising a comparator with a threshold value input which receives a threshold voltage and a signal input which receives a voltage signal. The threshold value input is connected to one pole by means of a switc... | 02/05/2008 |
| 7301479 | Trailer detection circuit for a vehicle park assist system Vehicle park assist systems and a method of operating a vehicle including an operably attached trailer. The vehicle park assist system includes a transmitter arrangement to produce incident energy on an obstacle, and a sensor arrangement to detect reflected energy f... | 11/27/2007 |
| 7287425 | Ultrasonic fuel level monitoring device The invention describes a method of altering the transmitted frequency used in an ultrasonic ranging system for liquid level measurement in a fuel tank. The frequency agility of the system is an important component of performing liquid level measurement in an enclos... | 10/30/2007 |
| 7283423 | System and method for position determination of objects A method and a system (400) for detection and position determination of chips (100), which transmit ultrasound signals in a room. The system (400) comprises electronic identification chips (100), which are attached to objects that have to... | 10/16/2007 |
| 7278540 | Adjustable basket vibratory separator A vibratory separator having a base, a basket movably mounted on the base and for supporting screen apparatus for treating material introduced into the vibratory separator, the basket on a base and pivotable with respect thereto, vibratory apparatus connected to the... | 10/09/2007 |
| 7268703 | Methods, systems, and devices for cartographic alerts Systems, devices, and methods are provided for marine navigation and course calculation for avoiding preselected conditions. An electronic marine navigation device with marine course calculation capabilities includes a processor connected to a memory that includes c... | 09/11/2007 |
| 7245557 | Sonar A sonar emits an ultrasonic wave into the water from a transducer on the basis of a transmission signal outputted from a transmission circuit, receives an echo reflected in the water with the transducer and converts the echo into an electric signal, and displays und... | 07/17/2007 |
| 7245059 | Method of exciting a piezoelectric crystal The invention describes the use of an electrical pulse that is a single square wave to excite a piezoelectric crystal. This pulse is applied alternately to either side of the crystal at twice the nominal resonant frequency of the crystal. This method provides a sign... | 07/17/2007 |
| 7163227 | Multi-position track width sensor for self-propelled agricultural sprayers A multi-position track width sensor for agricultural sprayers wherein a piston rod position sensor is connected to each of the adjustable axle members of the front and rear axle assemblies of the sprayer. A display panel is mounted in the cab of the sprayer and incl... | 01/16/2007 |
| 7164621 | Underwater sounding apparatus While keeping a propeller located in a negative direction of a y-axis turning, transmission of acoustic waves from vibrating elements of a transducer unit is interrupted. Reference signals “A” and “B” which are receiving beam signals having principal acousti... | 01/16/2007 |
| 7145835 | Personal sonar system The sonar device includes a sonar transducer, a noise filter, a microprocessor and an output device. The system warns the user when a hazardous objects is detected or when signals from companions decrease. The portable sonar device can be built into various waterspo... | 12/05/2006 |
| 7139220 | Dynamic filter tuning for pulse-echo ranging systems Dynamic tuning of a tunable filter within the receiver of a pulse-echo ranging system. A filter tuning module compares a transmit signal and a filtered signal to obtain a phase difference indicative of any mis-match between the resonant frequency of the tunable filt... | 11/21/2006 |
| 7130244 | Device and method for adaptive ultrasound sensing The adaptive system and method for ultrasound sensing comprises re-evaluating over time the detection threshold for predetermined sensing positions along the scanning direction to cope for the static target and environment changes at the sensing positions. The metho... | 10/31/2006 |
| 7123547 | Time delay measurement A time measurement system for measuring the delay between first and second signals comprises means for detecting the times of upcrossings when the first signal crosses a predetermined level (preferably substantially different from the average level) with a positive ... | 10/17/2006 |
| 7117739 | Fluid-gauging probes An ultrasonic fluid-gauging probe has a still well and two or more piezoelectric transducer elements mounted at its lower end. A drive and processor unit may separately energize each element and provide a separate output indicative of fluid height so as to provide r... | 10/10/2006 |
