Electronic circuits for providing variable capacitance used to tune analog circuits in mobile, handheld, and wearable devices

Cellular telephones; portable communication apparatus, namely, telephone handsets, headsets for mobile phones, walkie-talkies, satellite telephones, personal digital assistants; paging apparatus; maritime patrol radar; electric navigational instruments; aeronautical radio communication machines and apparatus; communications apparatus for aircraft, namely, computers for managing control devices for aircraft; pickups for telecommunication apparatus; car aerials; automatic telephone exchanges; a...

AUTOMATIC LOOP TUNING FEATURE OF PROGRAMMABLE LOGIC CONTROLLERS

computer software and computer programs for monitoring the operation and performance of other computer programs

antenna coupler for an antenna

antenna coupler for an antenna