Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 7738600 | Digital phase locked loop Digital communication signals that encode information in the phase may be susceptible to phase error from many sources. A device corrects for carrier and sampling phase errors, as well as additive phase noise. A digital phase locked loop simultaneously tracks the ca... | 06/15/2010 |
| 7626467 | Automatic level control for radio frequency amplifiers The disclosure relates to an automatic level control technique for RF amplifiers in a communication system, such as a wireless communication system. The invention provides an automatic level control technique to compensate for variations in the gain of an RF amplifi... | 12/01/2009 |
| 7610019 | Apparatus and method for dynamic diversity based upon receiver-side assessment of link quality An apparatus for dynamic diversity signal reception based upon receiver-side link quality assessments includes two or more antennae. At least one switch is connected to the two or more antennae. A dynamic diversity controller is connected to the at least one switch.... | 10/27/2009 |
| 7555512 | RAM-based fast fourier transform unit for wireless communications A wireless communication technique enables fast Fourier transforms (FFTs) and inverse fast Fourier transforms (IFFTs) to be performed with reduced latency and reduced memory requirements. In particular, an FFT/IFFT unit receives input data representative of a commun... | 06/30/2009 |
| 7526050 | CCK demodulation via symbol decision feedback equalizer Demodulation techniques for a wireless communication system make use of a decision feedback equalization (DFE) technique to mitigate the effects of multipath channel characteristics on receiver performance. The techniques may be particularly useful in the demodulati... | 04/28/2009 |
| 7499963 | Complex filter with higher order pole Pairs of second-order filters with feedback and cross coupling may be used to implement pairs of complex poles. The cross coupling may be frequency-dependent cross coupling or frequency-independent cross coupling. Frequency independent cross coupling may include cou... | 03/03/2009 |
| 7461164 | Medium access control with software -and hardware- based components in a wireless network A MAC architecture for WLAN stations partitions functionality between a software-based MAC component and a hardware-based MAC component that work together to balance function and performance. In general, the fulcrum for this balance centers on timing requirements. A... | 12/02/2008 |
| 7277040 | Analog to digital converter with ping-pong architecture The invention provides a receiver for use in a wireless communication system that substantially reduces mismatch between an in-phase (I) component and a quadrature (Q) component of a received signal. The receiver achieves this by sharing or “ping-ponging” an ana... | 10/02/2007 |
| 7272175 | Digital phase locked loop Digital communication signals that encode information in the phase may be susceptible to phase error from many sources. The invention corrects for carrier and sampling phase errors, as well as additive phase noise. A digital phase locked loop simultaneously tracks t... | 09/18/2007 |
| 7271674 | Automatic level control for radio frequency amplifiers The disclosure relates to an automatic level control technique for RF amplifiers in a communication system, such as a wireless communication system. The invention provides an automatic level control technique to compensate for variations in the gain of an RF amplifi... | 09/18/2007 |
| 7246304 | Decoding architecture for low density parity check codes Architectures for decoding low density parity check codes permit varying degrees of hardware sharing to balance throughput, power consumption and area requirements. The LDPC decoding architectures may be useful in a variety of communication systems in which throughp... | 07/17/2007 |
| 7205846 | Radio frequency CMOS amplifier with enhanced linearity and power efficiency In general, the disclosure is directed to techniques for enhancing power efficiency and linearity in an RF power amplifier. In accordance with the invention, a combination of different class power amplifiers is implemented in a parallel configuration to overcome the... | 04/17/2007 |
| 7202768 | Tunable inductor In general, the invention is directed to a tunable inductor that makes use of eddy current effect to tune the inductance of an inductor. The tunable inductor may include a spiral or helical inductor in proximity to one or more sets of eddy current coils. Each eddy c... | 04/10/2007 |
| 7190748 | Digital front-end for wireless communication system A digital front-end for a wireless communication system incorporates gain control, signal detection, frame synchronization and carrier frequency offset (CFO) estimation and correction features configured for use with multiple receive antennas. The digital front-end ... | 03/13/2007 |
| 7173990 | Joint equalization, soft-demapping and phase error correction in wireless system with receive diversity A wireless communication technique enables equalization, soft demapping and phase error estimation functions to be performed jointly based on multiple observations of a transmitted symbol in wireless communication systems employing receive diversity. Multiple observ... | 02/06/2007 |
| 7146134 | Apparatus and method for dynamic diversity based upon receiver-side assessment of link quality An apparatus for dynamic diversity signal reception based upon receiver-side link quality assessments includes two or more antennae. At least one switch is connected to the two or more antennae. A dynamic diversity controller is connected to the at least one switch.... | 12/05/2006 |
| 7138884 | Circuit package integrating passive radio frequency structure In general, the invention is directed to integration of passive radio frequency (RF) structures with at least one integrated circuit in a single integrated circuit (IC) package. An IC package in accordance with the invention may include, for example, a radio IC, a d... | 11/21/2006 |
| 7099267 | Enhanced frequency domain equalization in OFDM communication A technique for enhanced frequency domain equalization in an OFDM communication receiver enables derivation of a more accurate estimate of channel gain fluctuation by adding an additional frequency tone observation to the estimate. For example, the technique may inv... | 08/29/2006 |
| 7088299 | Multi-band antenna structure The invention provides a multi-band antenna structure for use in a wireless communication system. The antenna structure includes integrated inductive elements and capacitive elements that function as a tuned circuit to allow the antenna structure to operate in multi... | 08/08/2006 |
