Famous Patents
Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
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 |
| 8176784 | Elastic wave device and electronic component To provide an elastic wave device that is small sized and in which a frequency fluctuation due to a change with time hardly occurs, and an electronic component using the above elastic wave device. A trapping energy mode portion 2 provided in an elastic wave w... | 05/15/2012 |
| 8176773 | Piezoelectric sensor and sensing instrument To provide a piezoelectric sensor in which a first electrode for measurement and a second electrode for reference are provided apart from each other on one surface side of a piezoelectric piece and a common electrode is provided on an opposite surface side so as to ... | 05/15/2012 |
| 8176772 | Piezoelectric sensor and sensing instrument A piezoelectric sensor senses a substance to be measured in a sample solution, thereby conducting high-precision measurement. A pressing member has a solution storage space with a bottom surface being one surface of a piezoelectric resonator, and covering a recessed... | 05/15/2012 |
| 8174171 | Piezoelectric vibrating devices having bisymmetric vibrating arms and supporting arms, and devices comprising same An exemplary tuning-fork type piezoelectric vibrating piece has at least a pair of vibrating arms extending from one end of a base portion in a certain longitudinal direction (e.g., Y-direction). Supporting arms extend from respective side edges of the base, outboar... | 05/08/2012 |
| 8162832 | Minor axis motion type ultrasonic probe The invention relates to a minor axis motion type ultrasonic probe with high sensitivity that suppresses propagation loss. The minor axis motion type ultrasonic probe of the invention comprises: a piezoelectric element group in which a plurality of piezoelectric ele... | 04/24/2012 |
| 8161608 | Method of manufacturing quartz-crystal resonator To provide a method of manufacturing a quartz-crystal resonator, in which without adding new processes, a desired quartz-crystal piece can be obtained from a quartz-crystal wafer by etching and electrodes can be provided without restraint. When a quartz-crystal piec... | 04/24/2012 |
| 8159115 | Stacked crystal resonator An object of the present invention is to provide a crystal resonator capable of maintaining its resonating characteristic and ensuring electrical connections between end surface electrodes using a simple method. Provided is a stacked crystal resonator including: a f... | 04/17/2012 |
| 8154178 | Piezoelectric frame surrounding a piezoelectric vibrating piece and package with exhaust channel In the disclosed piezoelectric devices a piezoelectric frame includes a vibrating piece. An excitation electrode is formed on the vibrating piece. An outer frame portion surrounds the vibrating piece and includes an extraction electrode connected to the excitation e... | 04/10/2012 |
| 8149068 | Temperature controlled crystal oscillator A temperature controlled oscillator is provided with a circuit substrate having a crystal resonator, an oscillating circuit, and a temperature control circuit, arranged on one or both principal surfaces, and a container main body that accommodates the circuit substr... | 04/03/2012 |
| 8134284 | Tuning-fork type piezoelectric vibrating pieces having similarly shaped vibrating-root and supporting root portions Piezoelectric vibrating pieces are disclosed. An exemplary piece includes a base and at least a pair of vibrating arms connected to the base. The vibrating arms extend from one end of the base in a first direction. A vibrating root portion is situated between the vi... | 03/13/2012 |
| 8125363 | Digital signal processing device There is provided a digital signal processing device capable of suppressing occurrence of an unnecessary frequency component (spurious) in performing a reduction processing of a bit number of a frequency signal made of a digital signal. A signal output section 10... | 02/28/2012 |
| 8125301 | Transversal type filter To provide a transversal type filter having weighted finger electrodes of at least either of an input IDT and an output IDT provided on a piezoelectric substrate, in which a diffraction of elastic wave output from an end face of the weighted IDT electrode is suppres... | 02/28/2012 |
| 8125283 | Method of manufacturing crystal element and crystal resonator manufactured thereby A crystal element manufacturing method for manufacturing a plurality of crystal elements at a wafer level and a crystal resonator is provided. The method provides that when the frequencies of the crystal elements are adjusted by adjusting the thickness of a crystal ... | 02/28/2012 |
| 8120234 | Piezoelectric frames and piezoelectric devices comprising same Piezoelectric frames are disclosed that include a tuning-fork type piezoelectric vibrating portion having a pair of vibrating arms extending from a base portion in a first direction (Y-direction). The vibrating arms have a first width W1. A respective excitat... | 02/21/2012 |
| 8120233 | Piezoelectric devices and methods for manufacturing same Methods are disclosed for manufacturing piezoelectric vibrating pieces and devices including such pieces. According to an embodiment of the method, a piezoelectric vibrating piece is produced from a piezoelectric wafer. To form the piece, a profile of the piezoelect... | 02/21/2012 |
| 8115527 | PLL apparatus There is provided an art to prevent an unstable operation due to temperature in a PLL apparatus in which a proper range of an amplitude level of an external reference frequency signal is specified and a control voltage is supplied to a voltage-controlled oscillator ... | 02/14/2012 |
| 8110966 | Piezoelectric frames and piezoelectric devices comprising same Piezoelectric frames are disclosed that include a tuning-fork type piezoelectric vibrating piece. The vibrating piece has at least a pair of vibrating arms that extend in a longitudinal direction (e.g., Y-direction) from a first end edge of a piezoelectric base, and... | 02/07/2012 |
| 8110965 | Piezoelectric devices having improved impact resistance An exemplary piezoelectric vibrating device has a lid plate, a chip plate including a tuning-fork type vibrating piece surrounded by an outer frame, and a package base arranged where the chip plate is sandwiched between the lid plate and package base, and the three ... | 02/07/2012 |
| 8094463 | Crystal oscillator for surface mounting A crystal oscillator for surface mounting comprising: a case main body including concave portions on both principal surfaces; a crystal element hermetically encapsulated in one concave portion; an IC chip housed in the other concave portion; mounting terminals provi... | 01/10/2012 |
| 8093961 | Duplexer formed on piezoelectric substrate To provide a duplexer which is small in size and excellent in separation characteristic of transmission/reception signals. An antenna port is disposed on a center of a rearward side in a disposition area of a duplexer, a high band side filter and a low band side fil... | 01/10/2012 |
| 8093787 | Tuning-fork-type piezoelectric vibrating piece with root portions having tapered surfaces in the thickness direction Tuning-fork-type crystal vibrating pieces are disclosed that have a base and a pair of vibrating arms extending from one side of the base in a designated longitudinal direction. A root portion is situated between the vibrating arms, and includes a first taper surfac... | 01/10/2012 |
| 8090004 | Spectrum spread communication method and system using very weak power, and high frequency radio apparatus Provided is a high frequency radio apparatus for correcting a frequency of a carrier of the own apparatus in accordance with a frequency of a reception carrier when performing spread spectrum communication using very weak power. A carrier demodulating part demodulat... | 01/03/2012 |
| 8089325 | Oven controlled multistage crystal oscillator An object of the invention is to provide an oven controlled crystal oscillator that prevents a reduction in characteristics due to temperature rise in the crystal vibrator and circuit elements other than the oscillating stage, and that increases energy efficiency of... | 01/03/2012 |
| 8089200 | Piezoelectric vibrating devices and methods for manufacturing same An exemplary piezoelectric device includes a piezoelectric vibrating piece, on which excitation electrodes are formed, and a piezoelectric frame having a frame portion surrounding the piezoelectric vibrating piece. A plate (e.g., lid or base) is bonded to one surfac... | 01/03/2012 |
| 8085105 | Constant-temperature type crystal oscillator A constant-temperature type crystal oscillator includes: a crystal unit including a case main body including a first power source terminal on an outer bottom surface thereof; a surface-mounted oscillator; a temperature control circuit including a heating resistor an... | 12/27/2011 |
| 8076983 | Constant-temperature type crystal oscillator A constant-temperature type crystal oscillator includes: a crystal unit including a case main body, in which two crystal terminals and two dummy terminals are provided on an outer bottom face thereof, and a crystal element housed in the case main body; an oscillator... | 12/13/2011 |
| 8076830 | Piezoelectric vibrating pieces, and piezoelectric vibrators and oscillators comprising same Piezoelectric vibrating pieces are disclosed that include a base portion and first and second vibrating arms extending in a longitudinal direction from the base portion. Each vibrating arm has first and second main surfaces, a first groove on the first main surface,... | 12/13/2011 |
| 8075947 | Optical thin-film-forming methods and optical elements formed using same Optical thin-film-forming methods are disclosed that form optical thin film on a base plate arranged in a vacuum chamber. An exemplary method includes the steps of retaining the base plates on a plurality of retaining frames of a base-plate retainer, heating the bas... | 12/13/2011 |
| 8072279 | Crystal oscillator with pedestal An object of the invention is to provide an oscillator with a pedestal that facilitates soldering operations and offers a high level of productivity. A surface mount crystal oscillator with a pedestal comprises a crystal oscillator with lead wires led out from a bot... | 12/06/2011 |
| 8072276 | Surface mount crystal oscillator There is provided a surface mount oscillator of a junction type in which the size of an IC chip is increased while maintaining high performance thereof, and the outer dimension of the oscillator in plan view are small. In a surface mount crystal oscillator which: a ... | 12/06/2011 |
| 8067994 | Surface mount type crystal oscillator There is provided a configuration in which a lead-out electrode that extends out from an excitation electrode provided on a lower surface of a crystal piece facing an inner bottom surface of a container main body, is connected to a crystal terminal of an IC chip via... | 11/29/2011 |
| 8064221 | Electronic devices for surface mount Electronic devices are disclosed that allow for surface-mounting using solder while preventing solder from overflowing between external terminals of the electronic device, or between pads on a circuit board to which the external terminals are soldered. An exemplary ... | 11/22/2011 |
| 8063542 | Piezoelectric devices and methods for manufacturing same Devices are disclosed that include a piezoelectric vibrating piece; a glass base and lid form a package enclosing the piezoelectric vibrating piece. The piece has first and second electrodes. The base has first and second opposing surfaces. The base mounts the piezo... | 11/22/2011 |
| D649127 | Crystal unit | 11/22/2011 |
| 8053952 | Piezoelectric resonator with scattering-prevention film to prevent short-circuit of the excitation electrode To provide a piezoelectric resonator in which a casing houses a tuning-fork piezoelectric resonator element and whose failure occurrence caused when shavings of adjustment films scatter and adhere to excitation electrodes is prevented. In a method of manufacturing a... | 11/08/2011 |
| 8051714 | Sensing instrument In a sensing instrument using a quartz sensor on whose front surface an adsorption layer for adsorbing a substance to be sensed is formed and which changes in natural frequency by the adsorption of the substance to be sensed, the present invention has an object to q... | 11/08/2011 |
| 8049572 | Oven-controlled crystal oscillator An oven-controlled crystal oscillator includes a circuit board, a crystal unit surface-mounted on the circuit board, and a temperature control circuit that maintains operating temperature of the crystal unit constant. The temperature control circuit includes a heati... | 11/01/2011 |
| 8046910 | Method for manufacturing a surface mounted crystal device A method of manufacturing a surface mounted (crystal) device comprising: the steps of providing an aggregated sheet material having a plurality of container main bodies lengthwise and crosswise, accommodating at least a crystal piece inside the concavities of the pl... | 11/01/2011 |
| 8044730 | Secondary vibration damping type crystal oscillator circuit A secondary vibration damping type crystal oscillator circuit is formed as a Colpitts type, in which a crystal unit is connected between base and collector terminals, a first capacitor is connected between emitter and collector terminals, and a second capacitor is c... | 10/25/2011 |
| 8040197 | Crystal oscillator A crystal oscillator includes a crystal unit and a voltage-variable capacitive element that is connected to the crystal unit in series, the crystal oscillator varying an oscillation frequency by applying a control voltage between terminals of the voltage-variable ca... | 10/18/2011 |
