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 |
| 8125301 | Transversal type filter To provide a transversal type filter having weighted finger electrodes of at least either of an input IDT and an output IDT provided on a piezoelectric substrate, in which a diffraction of elastic wave output from an end face of the weighted IDT electrode is suppres... | 02/28/2012 |
| 7978026 | Transversal filter operating using surface acoustic waves A transversal filter operates using surface acoustic waves and has a piezoelectric substrate and an acoustic track that is arranged on the substrate and in which a first transducer and a second transducer are arranged. Each transducer has electrode fingers. A functi... | 07/12/2011 |
| 7728699 | Acoustic wave filter A longitudinally coupled resonator acoustic wave filter device that utilizes an inter-IDT resonance mode with a reduced insertion loss has a structure in which apodization weights are assigned in first to third IDTs having narrow pitch electrode finger portions in p... | 06/01/2010 |
| 7522021 | Surface acoustic wave apparatus A surface acoustic wave apparatus has a configuration by which the spurious of the higher-order transverse modes is suppressed and a SAW excitation intensity distribution is not changed in the propagation direction. The surface acoustic wave apparatus has at least o... | 04/21/2009 |
| 7482896 | Surface acoustic wave apparatus A surface acoustic wave apparatus has a configuration by which the spurious of the higher-order transverse modes is suppressed and a SAW excitation intensity distribution is not changed in the propagation direction. The surface acoustic wave apparatus has at least o... | 01/27/2009 |
| 7479855 | Longitudinally-coupled-resonator-type elastic wave filter device In a longitudinally-coupled-resonator-type elastic wave filter device, at least one of two IDTs which are adjacent to each other is provided with a dummy electrode for series weighting in a portion in which the IDTs are adjacent to each other, and at least one of se... | 01/20/2009 |
| 7436273 | Surface acoustic wave device and method for manufacturing the same A SAW chip (11) where ones are balanced signal terminals and the others are unbalanced signal terminals is mounted on a mounting board (12) in a flip chip manner, and the mounting board (12) and a surface of the SAW chip are covered with resin (... | 10/14/2008 |
| 7429905 | Balanced acoustic wave filter An acoustic wave filter device includes a piezoelectric substrate and a longitudinally coupled resonator surface acoustic wave filter unit provided on the piezoelectric substrate. The surface acoustic wave filter unit includes first to fifth IDTs arranged in a surfa... | 09/30/2008 |
| 7372897 | Portable information communication terminal, program, and recording medium The number of times for averaging operation for averaging a correlation value of a received signal and a reference signal is properly controlled. When the correlation value is not averaged, since a lower limit value TH_A of a correlation level of a distribution of t... | 05/13/2008 |
| 7372347 | Surface acoustic wave device A surface acoustic wave (SAW) device includes a piezoelectric substrate, a first and a second interdigital transducers (IDT) provided thereon. The second IDT has a side that is substantially aligned with a corresponding side of the first IDT, and another side of the... | 05/13/2008 |
| 7352800 | Method of partial parallel interference cancellation A method of Partial Parallel Interference Cancellation (PPIC) is provided for recursively eliminating the Multiple Access Interference from a received signal. Such method is to use a recursion way to eliminate all the Multiple Access Interference (MAI) one by one fr... | 04/01/2008 |
| 7339304 | Surface acoustic wave device A surface acoustic wave device includes a piezoelectric substrate made of LiNbO3 having an electromechanical coupling coefficient k whose square is at least about 0.025, at least one electrode that is made of a metal whose density is greater than that of ... | 03/04/2008 |
| 7330089 | Balanced acoustic wave filter device In a balanced acoustic wave filter device, first and second acoustic wave filter sections that are connected in parallel to an unbalanced terminal are connected to first and second balanced terminals, respectively. The first and second surface acoustic wave filter s... | 02/12/2008 |
| 7327071 | Surface acoustic wave device A surface acoustic wave device includes a piezoelectric substrate made of LiTaO3 or LiNbO3 having an electromechanical coefficient of about 15% or more, at least one electrode which is disposed on the piezoelectric substrate and which is a lami... | 02/05/2008 |
| 7271685 | Surface acoustic wave filter A transversal surface acoustic wave filter includes an input-side interdigital electrode, an output-side interdigital electrode, and a shield electrode, which are provided on a surface wave substrate. The distance between an excitation point of the input-side interd... | 09/18/2007 |
| 7236067 | Surface acoustic wave filter A surface acoustic wave filter capable of obtaining a low insertion loss and wide bandwidth characteristic is provided. The surface acoustic wave filter includes a piezoelectric substrate; a pair of reflective electrodes formed on the piezoelectric substrate; and a ... | 06/26/2007 |
| 7230365 | Surface acoustic wave apparatus and manufacturing method therefor In a manufacturing method for a SAW apparatus a first insulating layer is formed on the entire surface of a piezoelectric LiTaO3 substrate. By using a resist pattern used for forming an IDT electrode, the first insulating layer in which the IDT electrode ... | 06/12/2007 |
| 7218188 | Microelectromechanical apparatus and methods for surface acoustic wave switching Microelectromechanical system (MEMS) apparatus and methods for surface acoustic wave (SAW) switching are disclosed. The apparatus includes a piezoelectric substrate having spaced apart input and output SAW transducers. A MEMS switch is arranged between the input and... | 05/15/2007 |
| 7194793 | Method for producing an edge reflection type surface acoustic wave device A method for adjusting a frequency characteristic of an edge reflection type surface acoustic wave device includes the step of obtaining a frequency characteristic of an edge reflection type surface acoustic wave device having a piezoelectric substrate. The edge ref... | 03/27/2007 |
| 7170372 | Converter for surface waves with improved suppression of interfering excitation An electro-acoustic transducer for a component operating with surface waves, in particular for a surface wave filter, in which, to suppress interfering excitation ensuing in the gap region adjacent an end of a finger, a variation of the gaps is implemented with rega... | 01/30/2007 |
| 7154360 | Filter using piezoelectric material A filter includes a piezoelectric substrate, and interdigital transducers (IDTs) that are formed on the piezoelectric substrate. At least one of the IDTs has a main electrode finger pattern that is weighted. The IDT having the main electrode finger pattern also has ... | 12/26/2006 |
| 7132908 | Selectable performance filter RF programmable SAW filters achieve selectable filter performance by providing tunable input and output interdigital (IDTs) with different synchronous frequencies and substantially reduce electromagnetic interference (EMI) associated with RF signals not of interest.... | 11/07/2006 |
| 7068703 | Frequency hop sequences for multi-band communication systems Techniques to generate FH sequences having excellent correlation properties and to use these FH sequences in multi-band communication systems (e.g., OFDM systems). In one aspect, FH sequences may be generated based on an algebraic expression y(k)=logα b/... | 06/27/2006 |
| 7061346 | Transversal filter comprising an improved notch characteristic curve The invention provides a surface wave transversal filter having an input transducer and an output transducer in which the input transducer has a primary weighting which determines the transfer function and in which the output transducer is provided with a low second... | 06/13/2006 |
| 7042214 | Non-linear symmetric sweep spectral-spatial RF pulses for MR spectroscopy A method for designing non-linear phase 180° spectral-spatial radio frequency pulses that can be used for spectral editing in magnetic resonance spectroscopic imaging. A novel feature of the pulse is a symmetric sweep developed by the spectral profile from the outs... | 05/09/2006 |
| 7030539 | Surface acoustic wave device and electronic component comprising it In a surface acoustic wave device, a common portion and a strip portion of a reflector electrode are partially cut off to increase a space between the electrodes. The increase of the space between the electrodes reduces the influence of the amount of charges and the... | 04/18/2006 |
| 7023300 | Surface wave devices with low passband ripple Very low passband ripple is provided in a wide bandwidth high frequency SAW FIR filter using slanted finger IDTs by one or more of three techniques: cancelling regenerated SAWs at parallel-connected input IDTs of two SAW filters which are similar except for a quarte... | 04/04/2006 |
| 7002282 | Surface acoustic wave device and method of fabricating the same A surface acoustic wave device includes a surface acoustic wave filter element having a piezoelectric substrate on which comb-like electrodes are formed, and a package having a first cavity in which the surface acoustic wave filter is housed. The package includes a ... | 02/21/2006 |
| 6985048 | Surface acoustic wave apparatus and communication apparatus A longitudinally-coupled-resonator-type surface acoustic wave filter includes three interdigital transducers provided on a piezoelectric substrate in the direction in which surface acoustic waves propagate. An interdigital transducer disposed at the approximate cent... | 01/10/2006 |
| 6967427 | Surface acoustic wave device and communication apparatus incorporating the same A surface acoustic wave filter device includes balanced signal terminals, and surface acoustic wave filters respectively connected to the balanced signal terminals, and at least one surface acoustic wave resonator connected between at least one of the balanced signa... | 11/22/2005 |
| 6967545 | Saw wave-guides Surface acoustic wave (SAW) zebra-wave-guide (10) implemented as an array of interdigitized electrode fingers, wherein the array has internal inter-finger connectors (18) providing inside electrical shorting of part of fingers (16) remaining oth... | 11/22/2005 |
| 6946932 | Surface acoustic wave resonator with an interdigital transducer divided into regions having a different fixed pitch In a substrate in which a reflection coefficient γ of a surface acoustic wave per electrode is small, the invention obtains a Q value or a CI value level, which is equivalent to or higher than that of a related art product, at a device size which is equivalent to t... | 09/20/2005 |
| 6946931 | Surface acoustic wave resonator and surface acoustic wave filter A surface acoustic wave resonator includes a piezoelectric substrate, and a SAW resonator having an interdigital transducer. The interdigital transducer satisfies 0.15L≦W≦0.45L where W is the total of widths of all electrode fingers that form the interdigital tr... | 09/20/2005 |
| 6946930 | Surface acoustic wave device and electronic device using the same A reliable SAW device has excellent reflection and a small size, which is achieved by reducing the number of fingers defining reflectors, such that losses due to a large electromechanical coupling coefficient are small and the film thickness of electrodes has much l... | 09/20/2005 |
| 6937113 | Branching filter package A branching filter package has a SAW filter chip housing area which houses a piezo electric base, on which a transmitting SAW filter and a receiving SAW filter having a different frequency passing band with each other, are formed, and an impedance matching circuit a... | 08/30/2005 |
| 6937116 | Longitudinal double-mode saw filter utilizing electrode finger phase weighting The invention provides a longitudinal double-mode SAW filter that has a large reflection coefficient by the electrode conductors and having flat pass band characteristics. In the longitudinal double-mode SAW filter, nearly all of higher-order natural mode oscillatio... | 08/30/2005 |
| 6931699 | Method of producing a surface wave component with a drain for pyroelectric voltage A method of producing a surface wave component with a drain for pyroelectric voltage includes forming electrically-conductive structures on a piezoelectric substrate. The structures form an acoustic path comprising an electroacoustic transducer. The method also incl... | 08/23/2005 |
| 6933810 | Surface acoustic wave device with lithium tantalate on a sapphire substrate and filter using the same A surface acoustic wave device includes a piezoelectric substrate having a first surface on which comb-like electrodes are formed, and a second surface, and a support substrate joined to the second surface of the piezoelectric substrate. The piezoelectric substrate ... | 08/23/2005 |
| 6933803 | Surface acoustic wave filter, branching filter, and communication apparatus A surface acoustic wave filter includes a piezoelectric substrate and a plurality of one-terminal-pair surface acoustic wave resonators, which are disposed on the piezoelectric substrate in a ladder pattern and each of which includes an IDT electrode having a pair o... | 08/23/2005 |
| 6928718 | Method for array processing of surface acoustic wave devices An assembly and method for array processing of hermetically sealed Surface Acoustic Wave (SAW) Devices employs a non-conductive material having an array of spaced cavities extending into the material for receiving a SAW die face down, in a flip-chip arrangement. Eac... | 08/16/2005 |
