Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 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 |
| 7360292 | Method of minimizing inter-element signals for surface transducers The present invention provides a method of packaging surface microfabricated transducers such that electrical connections, protection, and relevant environmental exposure are realized prior to their separation into discrete components. The packaging method also isol... | 04/22/2008 |
| 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 |
| 7230501 | Oscillation circuit and electronic equipment An oscillation circuit comprises a SAW resonator having a pair of reflectors disposed on a piezoelectric substrate and a pair of IDTs which are set up in parallel between the pair of reflectors and which are constituted by teeth-of-a-comb electrodes; an inverter to ... | 06/12/2007 |
| 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 |
| 7132668 | MgZnO based UV detectors Photoconductive devices (1,2) comprising MgxZn1−xO, that is preferably epitaxially deposited on a substrate (21), optionally also including a buffer layer (22), wherein x has a value such that the layer is sensitive to UV... | 11/07/2006 |
| 7132778 | Surface acoustic wave modulator An acoustic wave identification transponder device, having a substrate, an electroacoustic transfer generating an acoustic wave in said substrate and a set of encoding elements disposed in a path of the acoustic wave for modifying the acoustic wave, having elements ... | 11/07/2006 |
| 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 |
| 6950009 | Dual mode transmitter/receiver and decoder for RF transponder units An enhanced backscatter RF-ID tag reader system and multiprotocol RF tag reader system is provided. In a multiprotocol mode, the system emits a non-stationary interrogation signal, and decodes a phase modulated backscatter signal by detecting a stronger phase compon... | 09/27/2005 |
| 6815867 | Substrate usable for an acoustic surface wave device, a method for fabricating the same substrate and an acoustic surface wave device having the same substrate A base material made of C-faced sapphire single crystal is set on a susceptor installed in a reactor arranged horizontally. Then, a trimethyl-aluminum and an ammonia are introduced as raw material gases into the reactor and supplied onto the substrate, to form an Al... | 11/09/2004 |
| 6559736 | Integrated tunable surface acoustic wave with quantum well structure technology and systems provided thereby A ZnO monolithically integrated tunable surface acoustic wave (MITSAW) device uses tunable acousto-electric and acouso-optic interaction between surface acoustic waves (SAW) and a two dimensional electron gas (2DEG) in a ZnO/Mgx Zn1-x | 05/06/2003 |
| 6208062 | Surface acoustic wave transponder configuration An acoustic wave identification transponder device, having a substrate, an electroacoustic transducer generating an acoustic wave in said substrate and a set of encoding elements disposed in a path of the acoustic wave for modifying the acoustic wave, hav... | 03/27/2001 |
| 6029324 | Acoustical-electronic component operating with acoustical surface waves as well as a tunable delay line, a resonator and a semiconductor sensor using the component An acoustical-electronic component operating with acoustical surface waves, includes a piezoelectric substrate in which an acoustical surface wave is guided and enters into interaction with an electron system disposed on the substrate in the travel path o... | 02/29/2000 |
| 5422531 | Electro-acoustic component of piezo ceramic material and method for frequency setting or, respectively, transit time balancing of the component Electrical components, such as filters, oscillators, resonators and delay lines are manufactured from a piezo ceramic base which includes a depolarized zone. The sound velocity is set by topically heating a portion of the base to form the depolarized zone... | 06/06/1995 |
| 5351219 | Acoustic device An acoustic device has an acoustic wave propagating medium exhibiting elastic abnormality in the vicinity of a Curie temperature. It is desirable that such an acoustic wave propagating medium be formed of a ferroelectric substance or a high-elastic substa... | 09/27/1994 |
| 5318034 | Electrically adjustable delay circuit and ultrasonic diagnosis apparatus This invention provides a delay circuit capable of electrically varying the delay amount comprising a first transistor for receiving a signal to be delayed from the base connected to an input terminal and outputting a positive phase signal and a negative ... | 06/07/1994 |
| 5243556 | Acoustic charge transport memory device A sampling device operating as a buffer between a first data signal and a relatively slow processing device accepts the input signal and stores samples of it on a SAW traveling past an input electrode. A blocking potential is applied to a set of electrode... | 09/07/1993 |
| 5243307 | Act device having optical control of saw velocity A high speed analog to digital converter system employs a set of ACT devices in parallel to buffer a high speed data sampling rate to the processing rate of the analog to digital converters employed. Vernier control of phase between individual devices is ... | 09/07/1993 |
| 5194837 | Multi-tap programming circuit for transversal filters A tapped delay line uses a varistor network for tap weighting. The varistors may be used in a resistive summing network or as amplifier gain control elements. In addition, the varistors can be programmed by a voltage programming circuit comprising a switc... | 03/16/1993 |
| 5189330 | Surface acoustic wave device An SAW convolver is disclosed, in which a pair of input transducer means disposed at the left and right end portions on a piezoelectric substrate having a velocity dispersion consists of a plurality of pairs of input transducers and the distance between d... | 02/23/1993 |
| 5159299 | HACT electrode configuration A heterostructure acoustic charge transport (HACT) device having a number of signal tap electrodes has revealed unexpected insensitivity to electrode spacing and unexpected sensitivity to electrode width. Spacing of one SAW wavelength between consecutive ... | 10/27/1992 |
| 5144262 | Acoustic charge transport selectable delay line and delay line oscillator formed therewith A delay device comprises a semi-conductor chip having acoustic charge transport channel disposed therein; a contact operably connected to and disposed at one end of the channel for injecting an electronic signal into the channel; a transducer for generati... | 09/01/1992 |
| 5128734 | Surface channel hact A simplified heterostructure charge transport device has a GaAs transport layer that is the top layer of the device, deposited on an (Al,Ga) As barrier layer for vertical confinement of charge packets. Confinement at the top surface is provided by pinning... | 07/07/1992 |
| 5111168 | Real-time, in-situ saw filter delay adjustment A method of adjusting the center frequency of a SAW device by providing a substrate capable of propagating a surface acoustic wave thereon having input transducer electrode on one end portion thereof, output transducer electrodes on the opposite end porti... | 05/05/1992 |
| 5043620 | Surface acoustic wave convolver and convolution integrator using same In an SAW convolver composed of a substrate having a multi-layered structure comprising at least a piezoelectric film, self convolution is suppressed by disposing a first and a second array electrode disposed between the gate electrode and a pair of input... | 08/27/1991 |
| 4994772 | Acoustic charge transport processor An acoustic charge transport (ACT) device is easily constructed to provide for variable carrier frequency operation or, alternatively, for variable time delays. Variable carrier frequency operation in an ACT device is achieved by incorporating a two dimen... | 02/19/1991 |
| 4960329 | Chirp pulse echo ranging apparatus The difficulty of making Doppler shift velocity measurements in a chirp pulse echo ranging system is overcome by employing a pulse frequency compression filter, suitably a SAW compressor 45, having individual outputs 64, 65, 66, 67 respectively relating t... | 10/02/1990 |
| 4801818 | Clock regeneration circuit A clock regeneration circuit which is formed as an integrated circuit except for a SAW (surface acoustic wave) filter module which can be used unaltered for a number of regeneration circuits which are provided for various clock frequencies and the design ... | 01/31/1989 |
| 4757226 | Surface acoustic wave convolver A monolithic SAW convolver comprises a piezoelectric film, an insulator, a semiconductive epitaxial film and a high-concentrated semiconductive substrate. The semiconductive epitaxial film has a thickness in a predetermined range to improve the efficiency... | 07/12/1988 |
| 4739290 | Variable analog delay line A variable analog delay line apparatus utilizing a plurality of tapped SAW devices that are connected in series by single pole multi-throw switch units. The amount of delay is determined by the switch throw arm of the switch unit that is associated with t... | 04/19/1988 |
| 4697115 | Surface acoustic wave device A surface acoustic wave device includes a semiconductor substrate, a piezoelectric film disposed on the semiconductor substrate, at least one pair of comb-shaped electrodes constituting an input transducer, and an output transducer a plurality of surface ... | 09/29/1987 |
| 4683395 | Surface acoustic wave device A monolithic surface acoustic wave convolver has a structure of piezoelectric layer/insulative layer/p(n)-type semiconductive layer/n(p)-type semiconductive layer/n+ (p+)-type semiconductive substrate in which the p(n)-type semicondu... | 07/28/1987 |
| 4647789 | Active element microwave phase shifter A continuously variable phase shifter for the phase range from 0° to 90°, switchable phase shifters switchable between 0° and 90° and a continuously variable phase shifter for the phase shift range of 0° to 360° are disclosed. Each of the phase ... | 03/03/1987 |
| 4625207 | Surface acoustic wave passive transponder having amplitude and phase-modifying surface pads A passive transponder for use in an interrogation/transponder system comprises a substrate having a substrate surface defining a path of travel for surface acoustic waves; a launch transducer element arranged on the surface for converting interrogating si... | 11/25/1986 |
| 4553099 | Electrostatic voltage sensor An electrostatic voltage sensor which includes a surface acoustic wave propagating medium and transmitting and receiving transducers coupled to the medium. The voltage sensor is provided with a separate voltage collecting member different from the electro... | 11/12/1985 |
| 4471255 | Surface acoustic wave parametric device An surface acoustic wave device, especially amplifier which includes input and output means for electrical signals provided so as to be spaced on a surface of a piezoelectric material which comprises a laminate in combination with a semiconductor, and an ... | 09/11/1984 |
| 4431944 | Delay line having coupled cavities for a traveling-wave tube and a traveling-wave tube equipped with said line In the last section of a delay line having coupled cavities for a traveling-wave tube, the following parameters are progressively increased in the direction of propagation of the electron beam: the diameter of the opening provided for the passage of the e... | 02/14/1984 |
| 4401956 | Electronically variable time delay in piezoelectric media A variable delay line for surface acoustic waves includes spaced input and output transducers affixed on the wave-propagating surface of a piezoelectric substrate for sending and receiving acoustic waves. An AC or DC voltage is applied to the substrate th... | 08/30/1983 |
| 4354166 | Carrier concentration controlled surface acoustic wave resonator and oscillator A surface acoustic wave resonator formed on a semiconductive piezoelectric substrate (9) has arrays (10, 11) of reflector elements forming rectifying junctions with the substrate, a voltage is impressed between the arrays and related ohmic ground contacts... | 10/12/1982 |
| 4342971 | Continuously variable surface acoustic wave delay line A surface acoustic wave variable time delay includes a surface acoustic wave device (10) which is secured within a housing (30). The device (10) is provided with an input transducer (12) and an output transducer (16) which are respectfully connected to in... | 08/03/1982 |
