US7636043: Method and apparatus for improving the accuracy of security systems
A security system is provided that uses two or more object-locating systems to determine whether a sensed object is a household member or an intruder. One of the object-locating systems locates cooperative objects, which are household members that... + 1 more...

USD606505: Communication device

US20090310589: ADAPTIVE DC SUB-CARRIER HANDLING IN A RECEIVER
Receiving units will switch between performing a DC bias suppression and not removing the DC distortion at the receiver depending on the amount of DC interference level observed/measured/estimated. Since the overall DC interference is from all upl... + 8 more...

US20090310961: METHOD AND APPARATUS FOR CALIBRATING BURST MODE LASER TRANSMITTERS
A method is provided to calibrate a monitor photodiode that measures the optical output power generated by an optoelectronic transceiver module that includes a burst mode laser diode. The method includes disabling the power control loop that contr... + 3 more...

US7634296: Set top box with mobile phone interface
A set top box includes a mobile phone receiving bay disposed in a housing of the set top box. The receiving bay includes a device connector coupled to circuitry in the set top box and a receiving bay opening that is arranged to provide access to t... + 1 more...