Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8036298 | Apparatus and method of error vector measurement for digital and multiple-input multiple output IMO communication systems The present invention discloses an effective apparatus and method to measure the received signal quality for digital communication systems by measuring error vector measurement (EVM) with embedded EVM measurement block in receivers. The distinction of the present in... | 10/11/2011 |
| 7949327 | Method and apparatus for reception of long range signals in bluetooth The invention of a method and an apparatus for reception of long transmission range Bluetooth signals impaired by multipath are disclosed. The new reception method and apparatus proposed allows to increase the transmission range for data transmission in Bluetooth. T... | 05/24/2011 |
| 7933361 | Hybrid DC-offset reduction method and system for direct conversion receiver A hybrid structure circuit for the cancellation of both Type-I and Type-II DC offsets. It comprises a static compensator in conjunction with a servo-loop feedback amplifier to suppress the undesired DC components present along the path of the base band after the dir... | 04/26/2011 |
| 7900070 | Power saving method of bi-directional communication wireless periheral device A power saving method of a bi-directional communication wireless peripheral device includes providing a wireless communication protocol between a host and the bi-directional communication wireless peripheral device; establishing a bi-directional communication wirele... | 03/01/2011 |
| 7668895 | Galois field computation A method and device for computing the multiplicative inverse of element x in Galois field GF(p2m) is proposed. In particular, when p is a prime number and m is an integer, the inverse may be constructed based on the observation that xp | 02/23/2010 |
| 7593472 | Methods and apparatus for circulation transmissions for OFDM-based MIMO systems System performance in wireless communication is improved by increasing diversity in time, space and frequency. In OFDM-based MIMO systems in which the number of antennas M is greater then the number of simultaneously transmitted OFDM symbols N, circulation transmiss... | 09/22/2009 |
| 7012484 | Filter using multilayer ceramic technology and structure thereof The present invention discloses a filter using multilayer ceramic technology. The filter comprises an input port, an output port, a first lumped resonator and a first step-impedance resonator connected to the input port, a second lumped resonator and a second step-i... | 03/14/2006 |
| 7496341 | Device and method for providing DC-offset estimation A communication system may include an equalizing device for DC-offset mitigation. The system includes: an input analog-to-digital converter configured to receive an input signal and produce a digital signal from the input signal; and a DC-offset estimation device co... | 02/24/2009 |
| 7444167 | Dual-band wireless LAN RF transceiver The present invention discloses a dual-band RF transceiver. The transceiver comprises a first module, used as the RF front-end of the dual-band transceiver and used for receiving and transmitting a first RF signal and a second RF signal; a second module, electricall... | 10/28/2008 |
| 7440753 | Communication network switching system and method thereof A communication network switch system, comprising: a first phone number database accessed by a cable telephony network service provider; a second phone number database accessed by an internet service provider; a plurality of communication network switch devices cond... | 10/21/2008 |
| 7340237 | Dual-band active filter The present invention discloses a dual-band active filter having filtering response and positive pass-band gain. The dual-band active filter includes an input match unit for gain match of the dual-band active filter and for having a band-pass filtering response; a f... | 03/04/2008 |
| 7336743 | Automatic gain control and its controlling method An automatic gain control and its method are disclosed. An average power computing unit computes the power of a received signal. A power range monitoring unit monitors its change. If the signal power fluctuates around a threshold, the system enters an acquisition mo... | 02/26/2008 |
| 7330522 | Complementary code keying (CCK) sequentially decoding apparatus and process thereof An apparatus of sequentially decoding CCK codes includes a series of received signal registers used to respectively temporarily save the received signals, a phase selector used to select one numeral from 1, −1, j or −j respectively for CCK code of each chip to m... | 02/12/2008 |
| 7321266 | Current-matching variable gain amplifier A current-matching variable gain amplifier is provided. The amplifier comprises a reference current source, at least one cascode amplifier, a matching circuit, a control circuit, and at least one first blocking circuit. The reference current source provides a refere... | 01/22/2008 |
| 7308002 | Packet type arbitrator in WLAN and corresponding arbitrating method This specification discloses a packet type arbitrator in a wireless local area network (WLAN) and its arbitrating method. The arbitrator contains at least two packet type detectors and a packet type decider. The packet type detector is installed with a false alarm c... | 12/11/2007 |
| 7272165 | Method and system for channel estimation in WLAN A system and method for channel estimation in a wireless local area network. A corresponding channel estimation method includes the steps of: receiving a preamble message and despreading the preamble message into several symbol signals, each symbol signal containing... | 09/18/2007 |
| 7245186 | Bandpass amplifier The present invention discloses a bandpass amplifier having gain and bandpass performance. The bandpass amplifier includes an input match unit for matching the gain of the amplifier and having a first filter response; a first bias unit electrically connected to the ... | 07/17/2007 |
| 7173401 | Differential amplifier and low drop-out regulator with thereof A differential amplifier having a positive input terminal, a negative input terminal, an output terminal, a bias terminal and a ground terminal is provided. The differential amplifier comprises a differential pair circuit and a current mirror circuit. Wherein, the d... | 02/06/2007 |
