Inventors list |
Assignees list |
Classification tree browser |
Top 100 Inventors |
Top 100 Assignees |
Hamid R.
Hamid R. Badiei, Vaughan CA
| Patent application number | Description | Published |
|---|---|---|
| 20110210241 | Gas Delivery System For Mass Spectrometer Reaction And Collision Cells - A gas delivery system for a cell-based mass spectrometer includes a mass flow controller having an input coupled to a gas source. A three-way valve includes an input coupled to an output of the mass flow controller, a first output coupled to a vacuum system, and a second output normally coupled to a reaction or collision cell. A cell is positioned inside a vacuum chamber of the mass spectrometer where the second output of the three-way valve is coupled to an inlet of the cell and the mass flow controller provides a gas to the cell that increases a pressure inside the cell relative to the pressure in the vacuum chamber. | 09-01-2011 |
Hamid R. Badiei, Woodbridge CA
| Patent application number | Description | Published |
|---|---|---|
| 20110253888 | INDUCTIVELY COUPLED PLASMA MASS SPECTROMETER - A mass analysis system including a sample inlet arranged to introduce a sample and an ion source coupled to the sample inlet and arranged to ionize a portion of the sample into ions. The system also includes a sampler element having a sample orifice arranged to receive the sample ions into a first vacuum chamber. The system includes a skimmer element having a skimmer orifice arranged to receive the sample ions from the first vacuum chamber into a second vacuum chamber where the skimmer orifice is of a first size. The system further includes a third cone element having a third cone orifice of a second size arranged to receive the sample ions from the second vacuum chamber into a third vacuum chamber where the third cone is configured to allow a continuum flow of ions through the third cone orifice. The third chamber includes an ion optics assembly and mass analyzer. | 10-20-2011 |
Hamid R. Borzabadi, Noblesville, IN US
| Patent application number | Description | Published |
|---|---|---|
| 20090152653 | Surface mount multi-axis electronics package for micro-electrical mechanical systems(MEMS) devices - A surface mount multi-axis cavity package for micro-electrical mechanical systems (MEMS) devices includes a substantially cubical housing having a plurality of sides and at least one internal cavity. A first plurality of solder pads are positioned on at least one side of the housing and a second plurality of solder pads are positioned on a bottom of the housing. A MEMS sensor is then mounted within the at least one internal cavity in any axis for increasing the versatility of the MEMS device. | 06-18-2009 |
| 20110203359 | SEALED ENGINE CONTROL MODULE WITH INTEGRAL AMBIENT AIR PRESSURE SENSOR - An engine control module having an environmentally-sealed housing includes a housing-mounted air pressure sensor for providing a reliable measure of atmospheric air pressure to a control circuit mounted within the housing. The sensor is mounted on an inboard face of the housing, and includes a sensor element, a body portion and a riser portion. The sensor element is mounted in the body portion, and the riser portion protrudes through an opening in the housing to couple the sensor element to atmospheric pressure outside the housing. The body portion is sealingly secured to the inboard face of the housing, and a set of conductor pins molded into the body portion extend inward to engage a circuit board enclosed by the housing, and thereby directly couple the sensor element to the ECM's control circuit. The top of the riser portion is capped by a splash-proof lid to prevent water intrusion. | 08-25-2011 |
Hamid R. Sadjadpour, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20110092233 | Interference management for concurrent transmission in downlink wireless communications - A wireless base station having K antennas communicates with M mobile devices using multiuser diversity scheme with opportunistic interference management. The base station transmits K distinct pilot signals from K corresponding antennas and receives feedback from mobile devices. The feedback from each device indicates a strong pilot signal and a weak pilot signal received from the K distinct pilot signals. Using these indications, the base station assigns each of the K antennas to a mobile device. The base station then transmits distinct data streams to the mobile devices using the corresponding antennas assigned to the corresponding mobile devices. The transmission may include multiplying the transmitted distinct data streams by a vector V orthogonal to a vector U, thereby allowing mobile devices not assigned to an antenna to cancel the transmitted distinct data streams. | 04-21-2011 |
Hamid R. Sadjadpour, West Caldwell, NJ US
| Patent application number | Description | Published |
|---|---|---|
| 20090190609 | Bit and power allocation scheme for full-duplex transmission with echo cancellation in multicarrier-based modems - The present invention provides a method, data modulator, modem, computer readable medium and system for allocating bits to sub-carriers of data channel frequencies for spectrally efficient full-duplex transmission. Bits are allocated successively to a plurality of sub-carriers for a data channel based on minimal power consumption, a power mask for each sub-carrier, a bit capacity of each sub-carrier, and a predetermined data rate. Allocation of bits is ceased when at least one of: a predetermined total power budget has been substantially exhausted, power masks for the plurality of sub-carriers have been substantially exhausted, bit capacities for the plurality of sub-carriers have been substantially exhausted, and the predetermined data rate has been reached. | 07-30-2009 |