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Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 7391873 | Microphone with voltage pump An integrated circuit (102) configured to provide a microphone output signal, comprising: a preamplifier (108) coupled to receive an input signal, generated by a first microphone member that is movable relative to a second microphone member; and a volt... | 06/24/2008 |
| 7378776 | Piezoelectric ceramic composition and piezoelectric elements using the same A piezoelectric ceramic composition includes a top-layer, a bottom-layer and at least one intermediate-layer ceramic sheets stacked to each other for sintering. An alloy layer of silver and palladium is interposed between every two ceramic sheets, and a sliver layer... | 05/27/2008 |
| 7368654 | Anti-resonant transducer The present invention is an device and method for providing an improved transducer for musical instruments. It an object of the present invention to provide a transducer which, because of its design, can be placed on or within a musical instrument quickly and... | 05/06/2008 |
| 7353719 | Pressure sensor and method for fabricating the same A pressure sensor comprising a plurality of sensor parts arranged in matrix. A first electrode being connected with first wiring and a second electrode being connected with second wiring are disposed oppositely through a cavity part in the sensor part. The second el... | 04/08/2008 |
| 7352876 | Method and apparatus for substantially improving power supply rejection performance in a miniature microphone assembly A hybrid circuit (300) for use in a miniature microphone assembly (100) reduces power supply noise on the audio signal input (214) of an impedance buffer amplifier (200) using one or both of shielding conductors 422, 424 to reduce ... | 04/01/2008 |
| 7289638 | Electroacoustic microphone An electroacoustic capsule or electroacoustic transducer for an electroacoustic device has electrostrictive or magnetostrictive elements connected to a controllable power supply. Dimensional changes of the electrostrictive or magnetostrictive elements cause changes ... | 10/30/2007 |
| 7247976 | Piezoelectric vibrator A piezoelectric vibrator having excellent shock resistance and high reliability is offered. The centers of first and second piezoelectric vibrating plates are supported by pillars on a main surface of an enclosure and nearly or substantially parallel to the main sur... | 07/24/2007 |
| 7223243 | Thin film ultrasonic transmitter/receiver A thin film piezoelectric material employs an array of metallic backer plates to provide high output, non-resonant ultrasonic transmission and reception suitable for ultrasonic measurement and/or imaging. ... | 05/29/2007 |
| 7216417 | Method for manufacturing an electromechanical sensor element Method for manufacturing an electromechanical sensor element for converting mechanical forces produced by the movements and vital functions or a person into electric signals, in which method a sensor film (11) is provided with metallic electrodes (15,16 | 05/15/2007 |
| 7212644 | Resonant frequency adjustment using tunable damping rods A mechanical device is tuned using a tunable damping rod. The tunable damping rod can have its tension increased between its respective engines, to in order to increase the resonant frequency of the mechanical device. Different aspects may also be included; the mech... | 05/01/2007 |
| 7181181 | Multi-band transceiver for a wireless communication system A local oscillation signal generator and a multi-band transceiver including the local oscillation signal generator are provided. The multi-band transceiver includes a fractional-N phased locked loop (PLL), a local oscillation signal generator, and a transmitter. The... | 02/20/2007 |
| 7180225 | Piezoelectric vibrator A piezoelectric vibrator having excellent shock resistance and high reliability is offered. The centers of first and second piezoelectric vibrating plates are supported by pillars on a main surface of an enclosure and nearly or substantially parallel to the main sur... | 02/20/2007 |
| 7130434 | Microphone PCB with integrated filter The present invention provides a solution to the needs described above through a microphone PCB with an integrated filter. The invention provides for an electret microphone assembly. The microphone assembly includes a multilayer printed circuit board. A field effect... | 10/31/2006 |
| 7107852 | Method of inspecting food stuffs and/or associated packaging A system to perform measurements on liquids, meat, viscous sugar or starch-based materials, and other foodstuffs using air-coupled ultrasound is provided. The technique uses ultrasonic transducers (advantageously capacitive transducers with polymer membranes), to ge... | 09/19/2006 |
| 7110560 | Electret condensor microphone preamplifier that is insensitive to leakage currents at the input A preamplifier having extremely high input impedance amplifies the electrical signal output from an electret condenser microphone (ECM) without suffering from the effects of a DC leakage current at the input. The preamplifier circuit includes a pair of cross-coupled... | 09/19/2006 |
| 7106869 | Condenser microphone The present invention relates to a condenser microphone whose body can be miniaturized while keeping a property and a sound quality comparable to those of a conventional condenser microphone. The condenser microphone includes a cylindrical body, a plurality of vibra... | 09/12/2006 |
| 7092539 | MEMS based acoustic array Embodiments of the present invention described and shown in the specification and drawings include a combination responsive to an acoustic wave that can be utilized as a dynamic pressure sensor. In one embodiment of the present invention, the combination has a subst... | 08/15/2006 |
| 7082202 | Sound pickup sensor A sensor (10) preferably for use in an electronic stethoscope (15) comprises a substantially cylindrically shaped viscoelastic contact and transfer body (2) engaging tightly a hard back piece (1) and being tightly surrounded by a piezoele... | 07/25/2006 |
| 7072478 | Microphone preamplifier A microphone preamplifier. An electrical signal from a microphone is received via a shielded cable by an input stage cascaded with an output stage. The input stage contains an impedance converter and a phase inverter and receives feedback that reduces input capacita... | 07/04/2006 |
| 7052466 | Apparatus and method for outputting heart sounds An apparatus for outputting heart sounds includes an implantable system and an external system. The implantable system includes a sensor for generating sensed signals representing detected heart sounds, an interface circuit and a control circuit for receiving the se... | 05/30/2006 |
| 7019439 | High power ultrasonic transducer with broadband frequency characteristics at all overtones and harmonics A transducer assembly for receiving a stimulating signal and producing ultrasound therefrom at one or more frequencies, over an ultrabroad bandwidth at each frequency, includes a front mass disposed about a central axis, and a back mass disposed about the central ax... | 03/28/2006 |
| 7006638 | Electronic stethoscope An electronic stethoscope having a vibration transducer, an amplifier, a headphone arrangement, and at least one digital filter for establishing at least one impulse transfer function corresponding to at least one acoustic stethoscope type. Thus, the signals heard w... | 02/28/2006 |
| 6996891 | Method for the manufacture of a sensor element The invention relates to a method for the manufacture of a sensor element and to a sensor element. In the method, both surfaces of a sensor film are provided with metallic electrodes. The sensor element is produced by cutting it from a larger amount of sensor elemen... | 02/14/2006 |
| 6978032 | Piezoelectric speaker A piezoelectric speaker improved in acoustic features by weight reduction of a diaphragm of the piezoelectric speaker without decreasing stiffness of the diaphragm or a coefficient of thermal expansion of surfaces of the piezoelectric speaker is provided. The diaphr... | 12/20/2005 |
| 6912288 | Piezoelectric electroacoustic transducer and manufacturing method of the same A piezoelectric electroacoustic transducer, including a plurality of piezoelectric layers deposited to define a deposited product, flexurally vibrates the deposited product by polarizing the entire piezoelectric ceramic layers in the same thickness direction and als... | 06/28/2005 |
| 6731763 | Audio A/D converter using frequency modulation According to the exemplary embodiments, a voltage or current-controlled oscillator is controlled in frequency by the signal (i.e., voltage or current) from a microphone. The frequency modulated signal is applied to a direct digital discriminator that produces a digi... | 05/04/2004 |
| 6606389 | Piezoelectric film sonic emitter A speaker device for emitting subsonic, sonic or ultrasonic compression waves comprising a a rigid emitter plate attached to the drum, and a plurality of apertures formed within the plate which are covered by a thin piezoelectric film disposed across the ... | 08/12/2003 |
| 6554761 | Flextensional microphones for implantable hearing devices This relates to flextensional microphones which are made up of a piezoelectric substrate having opposing surfaces, typically parallel surfaces when the substrate is crystalline or ceramic, and at least one sound receiving surface physically tied to the pi... | 04/29/2003 |
| 6347147 | High noise suppression microphone A noise suppressing microphone employing a thin film of piezoelectric material sandwiched between two conductive layers, one of which is laminated to a flat inflexible laminate. The sandwich is embedded in a mechanical sound filter except for one exposed ... | 02/12/2002 |
| 6339368 | Circuit for automatically driving mechanical device at its resonance frequency A circuit for automatically driving a mechanical device at its resonance frequency is provided. To do so, the circuit detects non-resonance driving conditions of the mechanical device being coupled to and driven by such circuit. Based on such detection, t... | 01/15/2002 |
| 6321428 | Method of making a piezoelectric transducer having protuberances for transmitting acoustic energy A method of forming an ultrasound transducer having thermoformed protuberances comprises providing a substrate having a plurality of perforations of a given dimension. The perforations or apertures are formed in the substrate and operate to determine the ... | 11/27/2001 |
| 6295365 | Acoustic sensor and electric stethoscope device incorporating the same therein An acoustic sensor includes the following: a piezoelectric element constituted of a piezoelectric substance on which at least one electrode is provided, and a diaphragm on which the piezoelectric substance is mounted and supported; a membrane capable of v... | 09/25/2001 |
| 6275594 | Piezoelectric acoustic device A piezoelectric acoustic device capable of permitting an increase in area or space of an operation face section of an electronic equipment required for arranging parts for the electronic equipment, attaining small-sizing of an electronic equipment and min... | 08/14/2001 |
| 6226386 | Microphone In a microphone having oscillation-proofing means provided between a microphone casing and a transducer unit, and output means, the microphone includes oscillation-detecting means provided in the microphone case for outputting an oscillation-detecting sig... | 05/01/2001 |
| 6222928 | Universal impedance matcher for a microphone-to-radio connection An impedance matching circuit couples a microphone's output to a radio's microphone input. A tap circuit is coupled to the microphone's output for extracting an audio signal therefrom. An amplifier circuit having DC blocking circuitry is coupled to the ta... | 04/24/2001 |
| 6122387 | Piezoelectric loudspeaker A piezoelectric loudspeaker has a membrane and at least two flexural piezoresonators, one end of which is fixed, while the other end acts mechanically upon the membrane. The membrane is a flat membrane or a conical membrane having an aperture angle smalle... | 09/19/2000 |
| 6011855 | Piezoelectric film sonic emitter A speaker device for emitting subsonic, sonic or ultrasonic compression waves comprising a generally hollow drum, a rigid emitter plate attached to the drum, and a plurality of apertures formed within the plate which are covered by a thin piezoelectric fi... | 01/04/2000 |
| 5610987 | Active noise control stethoscope An active noise control stethoscope enables a physician or paramedic to check vital signs in the presence of high background noise levels. A digital processing technique is used to remove noise from the output of a main detection sensor, the detector bein... | 03/11/1997 |
| 5357577 | Vacuum tube microphone apparatus A microphone apparatus including a vacuum-tube amplifier amplifying an electric signal converted from an acoustic signal includes a thermo-ionic cooling element having two surfaces, in which a first surface is in contact with the vacuum-tube amplifier for... | 10/18/1994 |
| 5321761 | Piezoelectric sound generator and method of its manufacture A piezoelectric sound generator includes a piezoelectric device consisting of a metal diaphragm and a piezoelectric porcelain plate affixed to the diaphragm, a pair of connecting members having resistors connected to the piezoelectric device in series, a ... | 06/14/1994 |
