Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7369014 | Flexible surface acoustic wave device A surface acoustic wave device is provides and comprises a flexible substrate having a first side and a piezoelectric film attached to at least a portion of the first side of the flexible substrate. The piezoelectric film can have a first side and a second side. A s... | 05/06/2008 |
| 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 |
| 7304377 | Package substrate, integrated circuit apparatus, substrate unit, surface acoustic wave apparatus, and circuit device On a piezoelectric substrate 23, there are provided surface acoustic wave devices F1 and F2 in which predetermined circuit patterns are formed, and a package substrate 11 comprising side vias 16 formed in a caved manner in ... | 12/04/2007 |
| 7295089 | Surface acoustic wave filter and communication apparatus A surface acoustic wave (SAW) filter includes a piezoelectric substrate. A resin pattern having a permittivity less than that of the piezoelectric substrate and first and second conductor patterns are disposed on the piezoelectric substrate. The first conductor patt... | 11/13/2007 |
| 7282105 | Support planar and tapered quasi-planar germanium waveguides for infrared evanescent-wave sensing Miniature planar IR waveguides of thickness 30–50 μm, consisting of 12-mm long, 2-mm wide strips of Ge supported on ZnS substrates and tapered quasi-tapered waveguides, tapered from a thickness of 1 mm at the ends to a minimum of 1–100 μm at the center, are di... | 10/16/2007 |
| 7274729 | Spread spectrum communication device and communication system A structure of a spectrum spreading communication device which solves the problem with the conventional spectrum spreading communication using Barker codes, etc., and limits the rise of the side-lobe of a correctional signal independently of the order of information... | 09/25/2007 |
| 7262676 | Electroacoustic component and method for the production thereof An electroacoustic component including a layer system disposed between two substrates and electroacoustic structures for exciting a guided bulk acoustic wave, the electroacoustic structures being devoid of cavities. The layer system includes a piezo-electric layer, ... | 08/28/2007 |
| 7253706 | Method for manufacturing surface acoustic wave element, as well as surface acoustic wave element manufactured by the same method A method for manufacturing a surface acoustic wave element including: forming a conductive film on a surface of a piezoelectric substrate; forming a photoresist film on the conductive film; printing a pattern by exposing and developing the pattern, which is original... | 08/07/2007 |
| 7242089 | Miniature silicon condenser microphone A silicon condenser microphone package includes a transducer unit, a substrate, and a cover. The substrate includes an upper surface transducer unit is attached to the upper surface of the substrate and overlaps at least a portion of the recess wherein a back volume... | 07/10/2007 |
| 7221181 | Directional power detection by quadrature sampling Power measurement and control in transmission systems are affected by changes in load conditions. A method and system are provided for detecting and controlling power levels independent of such load conditions. ... | 05/22/2007 |
| 7197086 | Wide-bandwidth, high-dynamic-range linear amplifier for a CDMA transmitter in a wireless base station A CDMA base station transmitter employing the Kahn envelope-elimination-and-restoration technique includes a switching amplifier adapted to linearly amplify the low-level baseband signal derived from the digital amplitude information portion of the digital CDMA sign... | 03/27/2007 |
| 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 |
| 7166910 | Miniature silicon condenser microphone A silicon condenser microphone package is disclosed. The silicon condenser microphone package comprises a transducer unit, a substrate, and a cover. The substrate includes an upper surface having a recess formed therein. The transducer unit is attached to the upper ... | 01/23/2007 |
| 7164285 | Directional power detection by quadrature sampling Power measurement and control in transmission systems are affected by changes in load conditions. A method and system are provided for detecting and controlling power levels independent of such load conditions. ... | 01/16/2007 |
| 7154207 | Surface acoustic wave device and method for manufacturing the same A surface acoustic wave device includes a piezoelectric substrate, an interdigital transducer (IDT) electrode, and a connecting portion that is electrically connected with the IDT electrode. The surface acoustic wave device further includes a wiring portion, a porti... | 12/26/2006 |
| 7138746 | Surface acoustic wave apparatus and communication apparatus A surface acoustic wave apparatus includes a first filter and a second filter, which are integrated into one package, and, filter signal terminals of the first and second filters are connected to package signal terminals of the package through different paths which ... | 11/21/2006 |
| 7134319 | Acoustic wave sensor with reduced condensation and recovery time An acoustic wave sensor apparatus is disclosed, which generally includes a piezoelectric substrate having a surface thereon. One or more interdigital transducers and a passivation layer can be formed upon the piezoelectric substrate. Additionally, an absorbent mater... | 11/14/2006 |
| 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 |
| 7112860 | Integrated nitride-based acoustic wave devices and methods of fabricating integrated nitride-based acoustic wave devices A monolithic electronic device includes a substrate, a semi-insulating, piezoelectric Group III-nitride epitaxial layer formed on the substrate, a pair of input and output interdigital transducers forming a surface acoustic wave device on the epitaxial layer and at ... | 09/26/2006 |
| 7078989 | Multi-mode surface acoustic wave filter device and duplexer A multi-mode surface acoustic wave filter device includes: a piezoelectric substrate; at least one input IDT (interdigital transducer) and at least one output IDT that are formed on the piezoelectric substrate; reflectors that are formed on the piezoelectric substra... | 07/18/2006 |
| 7046195 | Single Ku-band multi-polarization gallium arsenide transmit chip The present invention is a wide band GaAs microwave monolithic integrated circuit (MMIC) transmit chip that is capable of transmitting linearly or circularly polarized signals when connected to a pair of orthogonal cross-polarized antennas. In an active phased-array... | 05/16/2006 |
| 7046102 | Surface acoustic wave filter, balanced type circuit, and communication apparatus A surface acoustic wave filter including a piezoelectric substrate, IDT electrodes which are formed on the piezoelectric substrate and are connected to balanced type terminals. Further, IDT electrodes are formed on the piezoelectric substrate and are connected to an... | 05/16/2006 |
| 7009562 | Single ku-band multi-polarization gallium arsenide transmit chip The present invention is a wide band GaAs microwave monolithic integrated circuit (MMIC) transmit chip that is capable of transmitting linearly or circularly polarized signals when connected to a pair of orthogonal cross-polarized antennas. In an active phased-array... | 03/07/2006 |
| 7005947 | Surface acoustic wave element, frequency filter, oscillator, electronic circuit, and electronic instrument A surface acoustic wave element includes a single crystal substrate; a buffer layer formed by a crystal film that is formed on top of the single crystal substrate; and a piezoelectric thin film having a hexagonal system or a trigonal system crystal structure that is... | 02/28/2006 |
| 6980061 | Voltage-controlled oscillator The problem of interference and coupling between circuits that arises in reducing the size of a voltage-controlled oscillator by using low temperature co-fired ceramics (LTCC) substrate technology is alleviated. A voltage-controlled oscillator includes an amplifier ... | 12/27/2005 |
| 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 |
| 6964518 | Device and system for monitoring internal temperature of inaccessible or moving parts A device and a system for measuring temperature in an inaccessible and/or movable mechanical part. The device comprises a temperature-sensitive clement which can be installed inside the movable part and which is designed to emit a signal containing information on th... | 11/15/2005 |
| 6954130 | Integrated passive components and package with posts A method and apparatus for an electronic component package of a passive component using wafer level processing is provided. Posts are formed on the active side of the substrate of an electronic component. A conductive layer leads the contact areas of the electronic ... | 10/11/2005 |
| 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 |
| 6897742 | Saw device using different colors or identifiers to distinguish the front and back of the package A surface acoustic wave device applied to a filter, an oscillator, a delay element, or the like has at least a surface acoustic wave element with metal electrodes formed on a piezoelectric substrate to excite surface acoustic waves, a plastic casing base to accommod... | 05/24/2005 |
| 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 |
| 6727767 | Voltage controlled oscillator with two layered mounting structure A voltage controlled oscillator is provided. The oscillator includes a surface acoustic wave element for forming a feedback circuit for an amplifier, and a phase adjustment circuit including a filter which is interposed in the feedback circuit. The oscillator also h... | 04/27/2004 |
| 6720846 | Surface acoustic wave device with KNb03 piezoelectric thin film, frequency filter, oscillator, electronic circuit, and electronic apparatus Surface acoustic wave device having a high k2, and a frequency filter, oscillator, electronic circuit and electronic device employing this surface acoustic wave device is provided, wherein a first oxide thin film layer comprising SrO or MgO and a second o... | 04/13/2004 |
| 6711792 | Method of manufacturing a piezoelectric resonator A piezoelectric resonator is constructed to be vibrated in a square type vibration mode and to minimize the variations in the resonant frequency caused by the manufacturing process. The resonator includes a piezoelectric substrate having a pair of main surfaces, ele... | 03/30/2004 |
| 6683515 | Surface-acoustic-wave filter providing outputs with different delay times and communications unit A surface-acoustic-wave filter has a piezoelectric substrate; and a plurality of transversal surface-acoustic-wave (SAW) filters set on the piezoelectric substrate and respectively having at least two inter-digital transducer (IDT) electrodes for transcie... | 01/27/2004 |
| 6642813 | Surface acoustic wave device utilizing a ZnO layer and a diamond layer A surface acoustic wave (SAW) device that is made with diamond, that has high efficiency, and that can be operated at high frequencies, particularly from 9.5 to 10.5 GHz. The SAW device comprises a diamond layer formed singly or formed on a substrate, a Z... | 11/04/2003 |
| 6637087 | Method of producing edge reflection type surface acoustic wave device A method of manufacturing an edge reflection type surface acoustic wave device includes the step of preparing a surface acoustic wave mother substrate having a plurality of interdigital transducers formed on one main surface thereof. A cut groove is forme... | 10/28/2003 |
| 6628179 | Surface acoustic wave device with a window for adjustment of the device In a surface-acoustic-wave (SAW) device and method of fabricating the same, a SAW chip is flip-chip mounted in a package. The package has a window facing an electrode formed surface of the SAW chip. After the SAW chip is mounted, the in-process item is in... | 09/30/2003 |
| 6587255 | Acousto-optic scanning system with fast non-linear scan An acousto-optic scanning system, which relies on two counter propagating acoustic waves with the same frequency modulation. This scheme completely suppresses the linear frequency chirp, and thus enables the generation of fast non-linear scans and non-con... | 07/01/2003 |
| 6570462 | Adaptive tuning device and method utilizing a surface acoustic wave device for tuning a wireless communication device An adaptive tuning method for a wireless communication device determines the impedance of a matching circuit relative to an impedance to be matched and adjusts the impedance of the matching circuit accordingly. A passive surface acoustic wave (SAW) device... | 05/27/2003 |
