Quotables
"The man with a new idea is a crank until the idea succeeds."
Samuel Clemens
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8179024 | Piezoelectric transducer device The present invention relates to a transducer device (10), comprising: an acoustic membrane (14); a piezoelectric element (12) mounted to the acoustic membrane; two oppositely arranged elastic damping elements (16a, 16b | 05/15/2012 |
| 8053954 | Piezoelectric speaker A piezoelectric speaker includes a cabinet, piezoelectric vibrators horizontally mounted inside the cabinet at different elevations each having two eyed lugs respectively coupled to respective posts in the cabinet, a shock absorber coupled to the piezoelectric mater... | 11/08/2011 |
| 7982372 | Piezoelectric transformer having a recess to surely maintain a position of an elastic member press-fitted between an electrode and a terminal A piezoelectric transformer includes: a piezoelectric transducer on whose outer surface an electrode is formed; a case housing the piezoelectric transducer; a terminal disposed to face the electrode; an elastic member in contact with both the electrode and the termi... | 07/19/2011 |
| 7876030 | Ultrasonic transducer which is either crimped or welded during assembly An ultrasonic transducer includes: piezoelectric elements; a pair of clamping members which clamp said piezoelectric elements; and a cover member which is crimped to at least one of said pair of clamping members in a state where said cover member cooperates with sai... | 01/25/2011 |
| 7554249 | Electric motor An electric motor, in particular a starter device for internal combustion engines in which a current-limiting electric resistor (57) with a negative temperature coefficient is connected at the beginning of the main current path (49) of an electromagnet... | 06/30/2009 |
| 7375454 | Surface acoustic wave excitation device [Problems] To provide a surface acoustic wave excitation device for efficiently exciting the surface acoustic wave on the surface of a material such as glass having free size and shape for making mechanical vibration available. [Means to Solve the Prob... | 05/20/2008 |
| 7368853 | Piezoelectric motors and methods for the production and operation thereof The invention relates to a piezoelectric motor comprising a piezoelectric component that is connected to a resonator and a two-dimensional resonator that interacts with a movable. element, the resonator having principal surfaces that are parallel to each other and t... | 05/06/2008 |
| 7339308 | Actuating unit for a piezo-electrically controlled fuel injection valve An actuator unit which is suitable for actuating a fuel injection valve of an injection system for internal combustion engines includes a piezoelectric actuator and a hollow body embodied as a spring. The service life of the actuator unit can be improved by designin... | 03/04/2008 |
| 7327072 | Ultrasonic wave oscillator An ultrasonic wave oscillator is configured in a manner that an acoustic matching member is formed on the ultrasonic wave emission side of an electromechanical transducer element, a backing material is fixed with adhesive on the other side thereof, and the electrome... | 02/05/2008 |
| 7244151 | Linear propulsor with linear motion The invention comprises a scalable, configurable “propulsor” system. A propulsor system is an assembly of individual propulsors that act in concert to form a substantially continuous control surface that undulates in a working fluid. Each propulsor is driven and... | 07/17/2007 |
| 7204731 | Linear propulsor with radial motion The invention comprises a scalable, configurable “propulsor” system. A propulsor system is an assembly of individual propulsors that act in concert to form a substantially continuous control surface that undulates in a working fluid. Each propulsor is driven and... | 04/17/2007 |
| 7151837 | Loudspeaker A bending wave loudspeaker includes a transparent acoustic radiator capable of supporting bending wave vibration and an electromechanical force transducer mounted to the acoustic radiator to excite bending waves in the acoustic radiator to produce an acoustic output... | 12/19/2006 |
| 7149318 | Resonant element transducer A transducer (14) for producing a force which excites an acoustic radiator, e.g. a panel (12) to produce an acoustic output. The transducer (14) has an intended operative frequency range and comprises a resonant element which has a distribution ... | 12/12/2006 |
| 7047152 | Method and a system for evaluation of static friction A method for evaluation whether oscillations in a control process depend on static friction in an actuator. A signal from the actuator or the signal from the process is measured. The measured signal is signal processed for the purpose of detecting whether the measur... | 05/16/2006 |
| 7042140 | Piezoelectric-transformer and carrier arrangement A piezoelectric-transformer and carrier arrangement in which the carrier is press-molded from elastic material, for example, silicon rubber and has integrated binding belt and retainers for securing the piezoelectric-transformer to the carrier body, for enabling the... | 05/09/2006 |
| 6998762 | Piezoactuator and a method for producing a piezoactuator The invention relates to a piezoactuator (1) comprising a piezoelectric body (4) and elements for pre-tensioning the piezoelectric body, consisting of a first (2) and a second (3) connecting element for transferring forces to the piezoele... | 02/14/2006 |
| 6838808 | Stage-actuators that do not generate fluctuating magnetic fields, and stage devices comprising same Stage devices are disclosed having especial utility in certain types of microlithography systems. The stage devices impart controlled motion to a stage or platform without generating fluctuating electromagnetic fields. The stage devices include stage-actuators that ... | 01/04/2005 |
| 6812622 | Piezoelectric vibrator A piezoelectric vibrator has a piezoelectric vibrating piece having a base portion, a free end, and an intermediate portion disposed therebetween. Each of a pair of covers has a main surface and at least two recesses formed in the main surface. The covers are connec... | 11/02/2004 |
| 6722622 | Vibrator support structure, vibrating gyroscope therewith, and electronic device using the same A compact vibrator support structure has a very high “vibration confinement effect”, and includes a vibrator, vibrator support members, and a vibrator base, which supports the vibrator in midair via the vibrator support members and is made of a material having a... | 04/20/2004 |
| 6709285 | Electric connecting elements for piezoelectric plates An improved electric connecting element for piezoelectric plates has an elastic section connecting to an electric connection spot of a piezoelectric plate. The elastic section has one end extending to form a latch section to fasten to a circuit board and another end... | 03/23/2004 |
| 6664714 | Vibratory motors and methods of making and using same A single piezoelectric is excited at a first frequency to cause two vibration modes in a resonator producing a first elliptical motion in a first direction at a selected contacting portion of the resonator that is placed in frictional engagement with a dr... | 12/16/2003 |
| 6563254 | Inertial/audio unit and construction An electrically driven signal unit is adapted for one-step assembly or injection molding with a device housing to vibrate, flex, beep or emit audio signals, or to sense and provide tactile feedback or control. The signal unit is a package with one or more... | 05/13/2003 |
| 6543108 | Method of designing a piezoelectric component A method of designing and manufacturing a piezoelectric component which includes a case, a piezoelectric resonator in the case, a terminal including an external connecting portion extending from an opening of the case, and a spring member to contact the p... | 04/08/2003 |
| 6392327 | Sonic transducer and feedback control method thereof A sonic transducer includes a transducer body and a drive element coupled to the transducer body to produce a sonic output in response to an applied electrical input. A sense element is coupled to the sonic drive element and is configured to provide an el... | 05/21/2002 |
| 6384493 | Drive device and apparatus equipped with said drive device The distance between the side surfaces of a spacer 35 is made slightly smaller than the width of the drive friction member 46, and a pair of spring plates 32 are mounted to these side surfaces. The spring plates 32 enter the movement path of the drive fri... | 05/07/2002 |
| 6376969 | Apparatus and method for providing temperature compensation of a piezoelectric device A clamping device for providing temperature compensation of a piezoelectric device, such as a thermally pre-stressed bending actuator. The clamping device is configured to apply a variable clamping force to the piezoelectric device that varies in response... | 04/23/2002 |
| 6359371 | Inertial/audio unit and construction An electrically driven signal unit is adapted for one-step assembly or injection molding with a device housing to vibrate, flex, beep or emit audio signals, or to sense and provide tactile feedback or control. The signal unit is a package with one or more... | 03/19/2002 |
| 6297577 | Light controlling apparatus A piezo-electric actuator is rigidly mounted for a portion of one surface and provided with opposing electrodes for application of a bias. Because the mounted portion is constrained from deformation, the piezo-electric actuator deforms in a bending manner... | 10/02/2001 |
| 6218770 | Piezoelectric element A piezoelectric element has a very small size, has a high coefficient of electromechanical coupling, and can easily be impedance-matched to a circuit. An interdigital electrode, including two comb-shaped electrodes, is provided on one surface of a plate-l... | 04/17/2001 |
| 6198206 | Inertial/audio unit and construction An electrically driven signal unit is adapted for one-step assembly or injection molding with a device housing to vibrate, flex, beep or emit audio signals, or to sense and provide tactile feedback or control. The signal unit is a package with one or more... | 03/06/2001 |
| 6144142 | Multi-layer piezoelectric transformer mounting device A laminated multi-layer piezoelectric transformer comprising two elements joined together with a conductive adhesive and having a bead of the conductive adhesive at the point of junction of the two elements on the exterior surface of the laminated multi-l... | 11/07/2000 |
| 6111338 | Acceleration sensor and method for producing the same An acceleration sensor includes: a piezoelectric vibrator including a piezoelectric element having a first principal surface and a second principal surface opposed each other, a first and a second electrode formed on the first and the second principal sur... | 08/29/2000 |
| 6104180 | Transformers of voltage meters based on mechanical waves Transformers of electric voltage meters based on mechanical waves. The invention is based on the generation of elastic waves in transformers which are composed of a transmitter, a receiver, a dielectric body and a mechanical connection, whereby the transm... | 08/15/2000 |
| 6100625 | Piezoelectric ceramic transducer and method of forming the same The present invention provides a piezoelectric ceramic transducer having at least a driver section, at least a power generator section and at least an isolator which isolates the driver section and the power generator section, wherein the isolator compris... | 08/08/2000 |
| 6081066 | Piezo-electric resonator A piezo-electric resonator includes terminal plates holding a piezo-electric substrate and which are stored in a case. The piezo-electric substrate can be formed from piezo-electric ceramics. The piezo-electric ceramic plate has projections at the non-vib... | 06/27/2000 |
| 6046530 | Piezoelectric resonance component A piezoelectric resonance component is constructed to allow for easy automatic assembly and eliminates a short-circuit between a ring terminal and a dot terminal while achieving excellent performance characteristics at a low material cost. In the piezoele... | 04/04/2000 |
| 6041888 | Low frequency flextensional acoustic source for underwater use Acoustic source, especially for use in seismic studies at sea, with sound emitting surfaces adapted to be put into sound emitting movements toward and away from each other by use of a drive unit in a known manner, in which the sound emitting surfaces comp... | 03/28/2000 |
| 5902928 | Controlling engagement of a scanning microscope probe with a segmented piezoelectric actuator A scanning probe microscope includes a segmented piezoelectric actuator having a course segment and a fine segment, the outputs of which are combined to determine the movement of a distal end of the actuator, to which the probe is mechanically coupled. Mo... | 05/11/1999 |
| 5880553 | Electronic component and method of producing same An electronic component has a substantially reduced size and is adapted to be produced at low costs without variation in superior quality of the component because of the ease of achieving electrical connection between a piezoelectric element and a electro... | 03/09/1999 |
| 5865946 | Arrangement in a drive unit for an ultrasound sealing unit An ultrasound sealing unit includes a drive unit and a body. The drive unit consists of a number of piezoelectric ceramic plates with interjacent, conductive metal sheets connected to an a.c. source. The drive unit further consists of a counterweight and ... | 02/02/1999 |
