Quotables
"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 7781945 | Ceramic multilayer component, method for the production thereof, and retaining device A retaining device for use when sintering electrical components made of ceramic and metal electrodes inside the ceramic. The retaining device includes a structure to hold the electrical components. The structure has a surface that contains a sintering aid. The sinte... | 08/24/2010 |
| 7411337 | Electrical energy-generating system and devices and methods related thereto An electrical energy-generating heat sink system provides a convenient and economical method for continuously recharging an energy storage device in electronic devices. ... | 08/12/2008 |
| 7378781 | Acoustic wave resonator with integrated temperature control for oscillator purposes The present invention relates to a resonator structure, temperature compensation method and temperature control apparatus for controlling local temperature of a resonator structure. At least one heating element (55) is integrated on a substrate of the resonat... | 05/27/2008 |
| 7378780 | Surface mount type crystal oscillator A surface mount type crystal oscillator includes: a container body composed of a laminated ceramic including a plate-shaped center layer, and first and second frame layers stacked on opposite surfaces of the center layer respectively; a crystal blank hermetically se... | 05/27/2008 |
| 7362037 | Ultrasonic transducer device for humidifier An ultrasonic transducer device for a humidifier, the humidifier having a vaporizing chamber for producing water vapor or mist, the ultrasonic transducer device comprises: a transducer holder having a central opening formed in a longitudinal direction of the transdu... | 04/22/2008 |
| 7350442 | Cutting tool having variable movement in a z-direction laterally along a work piece for making microstructures A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for variable control of the movement of the tool tip in a z-direction laterally along the work piece, while mai... | 04/01/2008 |
| 7350441 | Cutting tool having variable movement at two simultaneously independent speeds in an x-direction into a work piece for making microstructures A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for variable control of the movement of the tool tip in an x-direction into the work piece at two simultaneousl... | 04/01/2008 |
| 7348713 | Ultrasonic probe An ultrasonic probe includes a plurality of transducers arranged in XY directions, a plurality of backing members stacked along the X or Y direction, in back of the transducers, and a plurality of heat conductive sheets sandwiched between the plurality of backing me... | 03/25/2008 |
| 7328638 | Cutting tool using interrupted cut fast tool servo A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for control of the movement of the tool tip in an x-direction into and out of the work piece in order to make d... | 02/12/2008 |
| 7321184 | Rake shaped fan In some embodiments, a piezoelectric actuator is coupled to a blade having a rake shape. The blade may include a base with two or more prongs extending therefrom. At least a portion of one or more prongs may be positioned between the fins of a heat sink. Other embod... | 01/22/2008 |
| 7314447 | System and method for actively cooling transducer assembly electronics An ultrasound transducer assembly is disclosed having a housing, a transducer array mounted in the housing and an electronics assembly mounted in the housing, the electronics assembly including one or more sub-assemblies having heat generating components disposed th... | 01/01/2008 |
| 7298067 | Damped package for piezoelectric devices A packaging system for piezoelectric devices is provided that substantially reduces and avoids the deleterious effects of environmental vibrations and shocks with gas or fluid-filled chambers that drastically improve the resonator's ability to withstand unwanted dis... | 11/20/2007 |
| 7293487 | Cutting tool having variable and independent movement in an x-direction and a z-direction into and laterally along a work piece for making microstructures A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for independent and variable control of the movement of the tool tip in an x-direction into the work piece and ... | 11/13/2007 |
| 7290471 | Cutting tool having variable rotation about a y-direction transversely across a work piece for making microstructures A cutting tool assembly having a tool post capable of lateral movement along a work piece to be cut and an actuator with a tool tip. The actuator provides for variable control of a rotation of the tool tip about an axis parallel to a y-direction transversely across ... | 11/06/2007 |
| 7261823 | Ultrasonic transducer system The method is for treating a liquid or slurry with an ultrasonic energy. A first rotatable member being permeable to a medium and a first vibrating device are provided. The first vibrating device and the first member have a first gap formed therebetween so that the ... | 08/28/2007 |
| 7229821 | Acoustic wave RFID/biosensor assemblies A deployable acoustic wave RFID/biosensor assembly has at least one protective layer, and an acoustic wave RFID/biosensor within the protective layer or layers. The acoustic wave RFID/biosensor includes an acoustic wave device, a biolayer mounted on the acoustic wav... | 06/12/2007 |
| 7196456 | Piezoelectric actuator and method of manufacture therefor, and ink jet head and ink jet type recording device A piezoelectric actuator 21 has: a piezoelectric actuator part 22 made up of a common electrode 27, a piezoelectric element 29, and an individual electrode 33; an electrical interconnection joint part 43 formed on the indivi... | 03/27/2007 |
| 7164222 | Film bulk acoustic resonator (FBAR) with high thermal conductivity The specification discloses embodiments of an apparatus comprising a film bulk acoustic resonator (FBAR) filter comprising a piezoelectric membrane having a portion thereof sandwiched between a first electrode and a second electrode, the piezoelectric membrane being... | 01/16/2007 |
| 7129623 | Piezoelectric blade protection structure A piezoelectric blade protection structure for a plurality of juxtaposed piezoelectric blades mounting onto a circuit board to provide protection and anchoring effect for the piezoelectric blades. A protection member is mounted onto the vibration nodes of the piezoe... | 10/31/2006 |
| 7120978 | Process of manufacturing a piezoelectric element A method of manufacturing a piezoelectric element structure having a supporting substrate and a piezoelectric film supported on the supporting substrate. A first layer, and a second layer having zirconium, each provided with a perovskite structure, are formed in tha... | 10/17/2006 |
| 7116039 | Crystal unit and holding structure of crystal unit A high-frequency quartz crystal unit includes a quartz crystal blank having a hole defined in at least one principal surface thereof, providing a resonating region in a portion of the crystal blank which is made thinner by the hole, excitation electrodes disposed re... | 10/03/2006 |
| 7105986 | Ultrasound transducer with enhanced thermal conductivity A composite structure of a backing material with enhanced conductivity for use in a transducer is presented. The composite structure includes a plurality of layers of backing material alternatingly arranged with a plurality of thermal conductive elements, wherein th... | 09/12/2006 |
| 7095161 | Piezoelectric resonator To make a substantial mounting area smaller. A piezoelectric resonator has a piezoelectric resonator element accommodated in a package. The piezoelectric resonator element includes a pair of connection electrodes which are connected to excitation electrodes. The res... | 08/22/2006 |
| 7071598 | Thin and highly stable piezoelectric oscillator, and thin and surface-mounting type highly stable piezoelectric oscillator A thin and highly stable piezoelectric oscillator is provided with a piezoelectric vibrator, a mother printed board which supports a piezoelectric vibrator main body on its one face and connects lead terminals to a wiring pattern, oscillating circuit parts which are... | 07/04/2006 |
| 7034440 | Generator for use with a micro system having dual diaphragms A micro-electro-mechanical generator is provided with a housing having a heat source and a heat sink opposite to the heat source in the housing. An upper diaphragm and a lower diaphragm separated from the upper diaphragm by a constant distance are further provided, ... | 04/25/2006 |
| 6992420 | Film bulk acoustic resonator and method of forming the same A film bulk acoustic resonator (FBAR) includes an insulation layer on a substrate to prevent a signal from being transmitted to a substrate. The FBAR includes a portion of a membrane layer corresponding to an activation area to adjust a resonance frequency band and ... | 01/31/2006 |
| 6973833 | Wafer and method A wafer for placement in a pipe. The wafer includes a housing having an outer surface and an orifice adapted to allow fluid flowing in the pipe to pass through the housing. The housing has at least a first port extending into the housing from the outer surface for h... | 12/13/2005 |
| 6951616 | Method for treating a medium with ultrasonic transducers The method is for treating a liquid or a slurry of a liquid and solids, such as sludge, soil or fiber webs, with an ultrasonic energy. Movable endless members (214, 230) are provided that are permeable to the liquid portion of a slurry (204). An ultras... | 10/04/2005 |
| 6933661 | Self cooling piezo actuator for high temperature applications A piezoelectric actuator and a method of assembling and employing a piezoelectric actuator. This method comprises the steps of positioning an expandable piezoelectric material inside a case, and enclosing a vaporizable liquid in the case. The case is positioned in a... | 08/23/2005 |
| 6806624 | Microelectromechanical generator using bubbles A micro-electro-mechanical generator has a liquid chamber, a heating block, an elongated elastic piezoelectric plate and a pair of electrodes. The liquid chamber is defined by bottom blocks which include the heating block and side walls, and can maintain a liquid. T... | 10/19/2004 |
| 6731180 | Evacuated hybrid ovenized oscillator The present invention is for a thermally controlled package for oscillators, particularly evacuated miniature surface acoustical wave oscillators (EMSO) devices. In a preferred embodiment the surface acoustical wave device is bonded directly to a heated substrate. T... | 05/04/2004 |
| 6333587 | Piezoelectric actuator The invention relates to a piezoelectric actuator in particular for actuating control valves or injection valves in internal combustion engines in motor vehicles, having a piezoelectric actuator body, in particular in the form of a multilayer laminate of ... | 12/25/2001 |
| 6300706 | Compound semiconductor monolithic frequency sources and actuators The present invention is a piezoelectric device fabricated on a semiconductor that also contains electronic circuitry. A cooling device is used to lower the temperature of the resonator. Electronic circuitry can provide feedback to the resonator to compen... | 10/09/2001 |
| 6177755 | Air cooled ultrasonic apparatus An air cooled ultrasonic apparatus comprises a housing having an air inlet, an air outlet, a first periphery, and a second periphery. A plurality of first and second protrusions radially extend from the first and second peripheries. The housing houses a p... | 01/23/2001 |
| 6133674 | Low profile integrated oscillator having a stepped cavity A low profile integrated oscillator operable to provide an oscillator signal includes a thermally conductive substrate having a cavity and a ledge. A crystal or other resonator is located in the cavity and mounted to the ledge. The resonator stabilizes th... | 10/17/2000 |
| 6016023 | Tubular ultrasonic transducer A method to improve the high output characteristics of an ultrasonic transducer by urging a cooling gas 13 to flow through the transducer, thereby passing a cooling member 3 at the inner radius of at least one piezoelectric element 6 surrounding a central... | 01/18/2000 |
| 5847488 | Apparatus having drive device using electromechanical transducer An apparatus having a drive device using an electromechanical transducer capable of being used in an environment in vacuum, at high temperatures and shielded from outside, an environment where electromagnetic waves are shielded or the like, where a drive ... | 12/08/1998 |
| 5721463 | Method and apparatus for transferring heat from transducer array of ultrasonic probe A device for improving thermal transfer inside an ultrasound probe and reducing heat build-up near the transducer face. The cable components are used as heat conductors which conduct heat out of the probe handle. These heat pipes are coupled to an interna... | 02/24/1998 |
| 5587620 | Tunable thin film acoustic resonators and method for making the same An acoustical resonator comprising top and bottom electrodes that sandwich a PZ layer. The resonance frequency of the acoustical resonator may be adjusted after fabrication by utilizing heating elements included in the acoustical resonator and/or by adjus... | 12/24/1996 |
| 5585686 | Vibration type actuator device A vibration type actuator device, and particularly a vibration type actuator device is heated for a predetermined time at the starting of the actuator device, and is operated thereafter.... | 12/17/1996 |
