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| Number | Title | Issue Date |
| 7365612 | Low noise, hybrid tuned wideband voltage controlled oscillator An oscillator comprising an active device having first, second and third terminals, a plurality of micro-stripline resonators coupled together to form a coupled-resonator network, the coupled-resonator network being coupled to the second terminal of the active devic... | 04/29/2008 |
| 7323948 | Vertical LC tank device An LC tank structure. The structure, including a set of wiring levels on top of a semiconductor substrate, the wiring levels stacked on top of each other from a lowest wiring level nearest the substrate to a highest wiring level furthest from the substrate; an induc... | 01/29/2008 |
| 7195011 | Convertible fluid feed system with comformable reservoir and methods A feed system for an aerosolizer utilizes an ampoule containing a liquid and includes a housing having an ampoule region into which the ampoule is held, and a liquid receiving region that is adapted to receive liquid dispensed from the ampoule. An interface is used ... | 03/27/2007 |
| 7129619 | Ultrasonic nebulizer for producing high-volume sub-micron droplets An ultrasonic nebulizer for producing high-volume sub-micron droplets is disclosed. The ultrasonic nebulizer utilizes a 3 or 5 MHz frequency as an oscillation frequency for producing sub-micron droplets. The nebulizer can also use at least one piezoelectric ceramic ... | 10/31/2006 |
| 7116179 | Crystal oscillator A crystal oscillator comprises a rectangular circuit substrate for mounting circuit devices and its metal cover, said circuit substrate has grooves on each long side and on each short side and said metal cover has projections at each aperture end corresponding to th... | 10/03/2006 |
| 7108197 | Droplet ejector with oscillating tapered aperture A fluid injection device for ejecting fluid droplets in response to electrical signals comprises an oscillating surface that has one or more tapered apertures, each aperture having a first and second opening. The first opening of each aperture is larger than the sec... | 09/19/2006 |
| 7100600 | Fluid filled ampoules and methods for their use in aerosolizers A fluid filled ampoule comprises an ampoule body having a top end, a bottom end and a sealed interior containing a liquid. A top tab is coupled to the top end and is removable to create a drain vent in the top end. A bottom tab is coupled to the bottom end and is re... | 09/05/2006 |
| 7053319 | Electronic weighing apparatus utilizing surface acoustic waves using sensors operating at different frequencies, having temperature compensation, and a push oscillator A weighing apparatus includes a SAW oscillator and a “push oscillator” to force the SAW oscillator into a desired mode of operation. A SAW temperature oscillator and a thermistor are also provided. The frequency of the “push oscillator” is made immune to tem... | 05/30/2006 |
| 7049897 | High frequency band oscillator In an oscillator used in a high frequency band such as the microwave band, the millimeter wave band, etc., an oscillation element and circuit components such as a resonator coupled to the oscillation element, etc., are provided inside a casing, the oscillation eleme... | 05/23/2006 |
| 7032590 | Fluid filled ampoules and methods for their use in aerosolizers A fluid filled ampoule comprises an ampoule body having a top end, a bottom end and a sealed interior containing a liquid. A top tab is coupled to the top end and is removable to create a drain vent in the top end. A bottom tab is coupled to the bottom end and is re... | 04/25/2006 |
| 6978537 | Method of transferring electric charge using a micrometer-scaled device A charged species source and a charged species drain are provided. A moveable component is positioned proximate to the charged species source and the charged species drain. A first protrusion and a second protrusion are provided in contact with the moveable componen... | 12/27/2005 |
| 6960943 | Suppressed micro phonic phase stable synthesizer A method and apparatus for frequency and phase error compensation in a synthesized oscillator is presented. A plurality of synthesizers (10, 20, N0) are connected in parallel and coherently combined. Each synthesizer employs a commonly referenced (4... | 11/01/2005 |
| 6948491 | Convertible fluid feed system with comformable reservoir and methods A feed system for an aerosolizer utilizes an ampoule containing a liquid and includes a housing having an ampoule region into which the ampoule is held, and a liquid receiving region that is adapted to receive liquid dispensed from the ampoule. An interface is used ... | 09/27/2005 |
| 6777613 | Multifunctional crystal unit and method of manufacturing the same A multifunctional crystal unit in which in the same container constituted by a container body having a recess therein and a cover, a plurality of crystal blanks are hermetically encapsulated. In the container, the crystal blanks are respectively held in different sp... | 08/17/2004 |
| 6689670 | High-frequency module In a high-frequency module according to the present invention in which a conductive cap for an electromagnetic purpose is placed on a substrate on which a plurality of electrical components are mounted by soldering, an insulating adhesive is applied betwe... | 02/10/2004 |
| 6528866 | High-frequency module In a high-frequency module according to the present invention in which a conductive cap for an electromagnetic purpose is placed on a substrate on which a plurality of electrical components are mounted by soldering, an insulating adhesive is applied betwe... | 03/04/2003 |
| 6118347 | Voltage controlled oscillator mounting assembly An electronic apparatus is comprised of a main board 1 having a main-circuit mounting region 6 and an oscillating-circuit mounting region 2; a shielding case 5 for covering the oscillating-circuit mounting region by being attached to the main board; a sub... | 09/12/2000 |
| 6104107 | Method and apparatus for single line electrical transmission This invention relates to the field of electrical technology, and relates particularly to a method for the continuous transformation of electrical energy with its subsequent transmission from an initial source (transformer) to a consuming device, and also... | 08/15/2000 |
| 6034571 | Oscillator module having a multi-layered base with a cover An oscillator includes a multi-layered base. Circuit patterns are formed on a first main surface and the inside of the multi-layered base. Holes through which wiring patterns of the individual layers of the base are connected are formed within the multi-l... | 03/07/2000 |
| 5958557 | Radome panel A contoured panel section for a radome for use with a center frequency corresponding to a wavelength equal to λ, the panel section comprising a solid body portion of a thickness which is an integral multiple of λ/2 and which has opposing first and secon... | 09/28/1999 |
| 5898344 | High-frequency module Downward projections made on two side walls of a cap are fitted into recesses in two opposed side faces of a substrate. Lower margins of two end walls of the cap are soldered to ground electrodes provided on a part mounting face of the substrate. Lower ma... | 04/27/1999 |
| 5661441 | Dielectric resonator oscillator and method of manufacturing the same A microwave oscillator includes a substrate having a circuit pattern on the top surface, a thin copper foil covering the bottom surface, and a hole. An electronic component is mounted to the top surface of the substrate. A metal plate is attached to the b... | 08/26/1997 |
| 5654676 | Shielded VCO module having trimmable capacitor plate external to shield A voltage controlled oscillator module (100) (400) provides tuning capability for the VCO in a shielded environment. The module includes a trimmable capacitor (110) (410) having metal plates (112, 114), (412, 414, 416) capacitively coupled through the sub... | 08/05/1997 |
| 5652550 | Method and apparatus for isolating an oscillator from external mechanical and thermal effects using aerogels An oscillator is isolated from external mechanical and thermal effects by rrounding the oscillator on all sides with an aerogel insulation structure that provides both thermal insulation and vibrational isolation above some predetermined low frequency lim... | 07/29/1997 |
| 5650755 | Voltage controlled oscillator module assembly A voltage controlled oscillator module assembly (300) minimizes microphonics in a low profile package. Included within the module (300) are a substrate (302), VCO circuitry (308), and a ground shield (314) encapsulating the VCO circuitry. Included within ... | 07/22/1997 |
| 5465063 | Pulse generating circuit with temperature compensation A pulse signal generating circuit includes a ring oscillator and an internal voltage generating circuit. The internal voltage generating circuit generates an internal voltage depending on an operation temperature. The internal voltage is low at a normal t... | 11/07/1995 |
| 5374779 | Electro-magnetic wave shielding structure For sufficiently shielding an undesired electro-magnetic wave from penetrating into a communication apparatus, for instance, a car telephone through stray coupling, or leaks therefrom, an electronic circuit substrate and a case of the communication appara... | 12/20/1994 |
| 5373262 | Voltage controlled oscillator including a dielectric resonator provided with a C-shaped electrode and method of regulating oscillation frequency thereof In a voltage controlled oscillator, a dielectric resonator is mounted on a circuit board and a metal case is mounted on the circuit board to shield the dielectric resonator. The dielectric resonator comprises a C-shaped first electrode which is provided i... | 12/13/1994 |
| 5357218 | Self-shielding microstrip assembly A shielded microstrip assembly (100)includes a substrate 102 having a first ground plane surface (106) and a second surface (206) which includes a transmission line (216). A plurality of solder balls (104) provide electrical interconnection for the ground... | 10/18/1994 |
| 5332979 | Compact radio-frequency power-generator system An RF power-generator system for the frequency range of 2 to 30 MHz and a programmable sinusoidal power output of 0 to 1000 W. The system is constructed of modules (10, 30, 50, 70 and 90) accommodated in a shallow parallelepipedal housing (1) with a capac... | 07/26/1994 |
| 5302921 | Piezoelectric oscillator having reduced radiation of higher harmonics A piezoelectric oscillator in which radiation of higher harmonic components is reduced. A piezoelectric vibrator and a semiconductor device are provided in an oscillation circuit for making the piezoelectric vibrator oscillate, as is a filter for cutting ... | 04/12/1994 |
| 5291152 | Proximity switch having oscillator inductively coupled through pulsed Faraday shield to resonant target An inductive type proximity switch (S) includes an open-ended loop (L3) adjacent to the inductor (L1, L2) of the parallel resonant circuit of its main (LC) oscillator. A high speed bistate switch (S1) is connected between the ends of the loop (L3). A puls... | 03/01/1994 |
| 5172077 | Oscillator and method of manufacturing the same In an oscillator employing a triplate type stripline, earth (ground) electrodes are formed only on an opposite pair of side surfaces of a substrate in which the stripline is embedded. An oscillation circuit mounted on the substrate is covered with a shiel... | 12/15/1992 |
| 5153531 | Arrangement for stabilizing oscillation frequency and phase of a high frequency oscillator An arrangement for stabilizing the oscillation frequency and phase of a high frequency oscillator comprising a shielding case of aluminum formed by die casting and having side walls and a base, a plurality of partition walls integrally formed with the shi... | 10/06/1992 |
| 4833276 | Shield structure of electronic equipment In a shield structure of an electronic equipment including a printed circuit board on which electronic parts are mounted, a box having an upper opening for receiving the printed circuit board, and a shielding planar cover for shieldably covering the upper... | 05/23/1989 |
| 4831211 | EMI/RFI sealed microphonics isolation apparatus and methods A conductive and mechanical energy absorbing gasket is used between an electronics package and a cover of an enclosure to provide microphonics isolation. The electronics package is secured to the cover via a gasket using isolation damping grommets and scr... | 05/16/1989 |
| 4797614 | Apparatus and method for measuring conductance including a temperature controlled resonant tank circuit with shielding A meter for sheet conductance measurements does not touch the conductive surface of a sample. A probe having a resonant tank coil is positioned against a parallel supporting surface of the sample, which may be flat or curved and of unrestricted area. An o... | 01/10/1989 |
| 4736069 | Housing for vibration sensitive circuits Disclosed is an improved housing being comprised of a substrate and a cover that is plated to provide RF shielding. The substrate and cover are constructed of a like material to keep the coefficients of vibration approximately identical. Preferably, the s... | 04/05/1988 |
| 4588964 | Hermetically sealed microwave solid-state oscillator with dielectric resonator tuned by electromagnetically coupled terminating admittance A microwave solid-state oscillator includes a casing hermetically enclosing a microwave oscillation device and a dielectric resonator electromagnetically coupled with the microwave oscillation device, an output terminal leading out an oscillation output f... | 05/13/1986 |
| 4583056 | Apparatus having printed circuit pattern for suppressing radio interference In an apparatus having an insulative substrate, a power circuit is mounted on one surface of the substrate and connected to receive power from a mains supply for rectifying the AC energy of the supply and supplying the rectified energy to a pair of power ... | 04/15/1986 |
