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| Number | Title | Issue Date |
| 7358658 | Amorphous diamond materials and associated methods for the use and manufacture thereof An electroluminescence device having improved luminescence per volt input is provided. The device can include a first electrode, a second electrode, a diamond-like carbon layer electrically coupled to at least one of the first electrode or the second electrode, and ... | 04/15/2008 |
| 7284431 | Geophone An improved system for sensing ground motion is provided. The system generally comprises a shell and a case within the shell and connected by a suspension. The mass of the case is greater than the mass of the shell. An electrode within the shell detects relative mot... | 10/23/2007 |
| 7280014 | Micro-electro-mechanical switch and a method of using and making thereof A micro-electro-mechanical switch includes at least one portion of a conductive line in the chamber, a beam with imbedded charge, and control electrodes. The beam has a conductive section which is positioned in substantial alignment with the at least one portion of ... | 10/09/2007 |
| 7211923 | Rotational motion based, electrostatic power source and methods thereof A power system includes a member with two or more sections and at least one pair of electrodes. Each of the two or more sections has a stored static charge. Each of the pair of electrodes is spaced from and on substantially opposing sides of the member from the othe... | 05/01/2007 |
| 7185541 | MEMS magnetic device and method A MEMS device and method of manufacturing comprises a magnetic sensor attached to a frame; at least one magnet adjacent to the magnetic sensor; a proof mass attached to the magnet; a cantilever beam attached to the proof mass; and a rod attached to the cantilever be... | 03/06/2007 |
| 7180019 | Capacitive accelerometer or acceleration switch An accelerometer or accelerator switch and its method of manufacture are disclosed. The device is fabricated from two substrates: a top substrate having a moveable mass, and a bottom substrate having at least one conductive plate. The top substrate is preferably a S... | 02/20/2007 |
| 7106124 | Field emission RF amplifier A field emission RF amplifier. The field emission RF amplifier includes one or more RF amplification units on a substrate and held in a vacuum state and facing a reflection electrode. The RF amplification unit includes a cathode electrode, gate electrode, and an ano... | 09/12/2006 |
| 7035698 | System for controlling medical imaging equipment motion A system including a user input device for controlling a position of medical equipment is described. In an example embodiment, the user input device is configured to be coupled to the medical equipment and is responsive to an operator input representation of a desir... | 04/25/2006 |
| 7004029 | Semiconductor dynamic quantity sensor In a semiconductor acceleration sensor (S1), above one side of a first silicon substrate (10) made of a semiconductor and serving as a fixed electrode (11), a moving electrode (20) made of a semiconductor and displaceable in the thickness... | 02/28/2006 |
| 7002609 | Nano-structure based system and method for charging a photoconductive surface A system for charging a photoconductive surface being suitable use in forming an image on a substrate, the system including: an at least partial vacuum chamber; at least one nanostructure being disposed within the vacuum chamber and suitable for emitting electrons; ... | 02/21/2006 |
| 6854330 | Accelerometer and methods thereof An accelerometer includes a housing with a chamber, a member with a stored static charge, and a pair of electrodes connected to the housing. The member is connected to the housing and extends at least partially across the chamber. The pair of electrodes are each spa... | 02/15/2005 |
| 6696362 | Method for using an in situ particle sensor for monitoring particle performance in plasma deposition processes Methods are provided for identifying root causes of particle issues and for developing particle-robust process recipes in plasma deposition processes. The presence of in situ particles within the substrate processing system is detected over a period of ti... | 02/24/2004 |
| 6679117 | Ionization contact potential difference gyroscope An ionization contact potential difference gyroscope including a housing enclosing a first and second electrode with a gas, further including an ionization source capable of providing ions from the gas, and a contact potential difference measurement circu... | 01/20/2004 |
| 6642848 | Shock sensor by variable capacitor This invention is pertaining to multi purpose shock sensor comprising three conductive plates arranged in 3 layers in parallel which make 2 variable capacitors connected in series. Two outer plates are firmly attached to a supporting insulating material a... | 11/04/2003 |
| 6422077 | Ultrananocrystalline diamond cantilever wide dynamic range acceleration/vibration/pressure sensor An ultrananocrystalline diamond (UNCD) element formed in a cantilever configuration is used in a highly sensitive, ultra-small sensor for measuring acceleration, shock, vibration and static pressure over a wide dynamic range. The cantilever UNCD element m... | 07/23/2002 |
| 5747692 | Sensor system for determining acceleration A system for determining acceleration by measuring the movement of a rod within a housing. The rod is an elongate flexible rod disposed in the housing with one end being attached to the housing and the other end being free to move when the housing is acce... | 05/05/1998 |
| 5679895 | Diamond field emission acceleration sensor An acceleration sensor includes an acceleration mass and a substrate mounted so that a cavity is defined therebetween and so that the acceleration mass moves relative to the substrate when an acceleration of the sensor changes. The sensor also includes a ... | 10/21/1997 |
| 5509309 | Acceleration measuring device An acceleration measuring device consists of a sealed-off, diode vacuum tube which in turn contains a cold cathode and an anode positioned at opposing longitudinal end regions of the vacuum tube via an inter-electrode space C. An inert argon gas is sealed... | 04/23/1996 |
| 5492010 | Position identification device using an accelerometer A device for determining position uses three voltage dividers. Each voltage divider is a metal conductor having a head on one end and two legs on an opposite end. The tips of the legs of each of the bodies are located in planes which are perpendicular to ... | 02/20/1996 |
| 5492011 | Acceleration sensor A force sensor comprises a substrate having a movable unit which is displaceable in response to one of an applied force and acceleration; an electron emission unit having a cathode for emitting electrons in accordance with an applied potential; an electro... | 02/20/1996 |
| 5048339 | Acceleration pick-up device The acceleration pick-up device is provided with an elastic member to which an inert body is attached. Upon occurrence of an accelerative force, the elastic member is deformed. For measuring the absolute value of the acceleration, a calibration can be per... | 09/17/1991 |
| 4941355 | Method and apparatus for the measurement of accelerations A method for the measurement of accelerations and an apparatus for performing the method, whereby ions in a solid ion conductor are exposed to the acceleration for generating a measurable voltage. The ion conductor is arranged so that the accelerations ar... | 07/17/1990 |
| 4895024 | Ionically conductive accelerometer An ionically conductive accelerometer comprises a body of an ionically conductive material provided with at least three electrodes which are so arranged as to define a respective ionically conductive path extending between one of the electrodes and each o... | 01/23/1990 |
| 4879904 | Ionic conductivity accelerometer An ionic conductivity accelerometer comprises a layer of an ionically conductive material such as rubidium silver iodide (RbAg4 I5) deposited on an electrically insulative substrate with spaced electrodes in contact with the layer. T... | 11/14/1989 |
| 4638669 | Quantum tunneling cantilever accelerometer A highly sensitive accelerometer is disclosed in which the current is measured across a pair of electrodes resulting from voltage pulses from a pulse generator. The electrodes are located within a vacuum chamber. One of the electrodes is cantilevered and ... | 01/27/1987 |
