Raimo Kivari

Cellular telephone signalling circuit operable with different cellular telephone systems

Method and apparatus for operating a radiotelephone in an extended stand-by mode of operation for conserving battery power

Operation of a radiotelephone in a synchronous extended standby mode for conserving battery power

Mobile terminal having user-actuated pager mode

Mobile telephone having a power-conserving subroutine

Indication of data blocks in a frame received by a mobile phone

Method for the control of receiver synchronization in a mobile phone

Mobile terminal having power saving mode that monitors specified numbers of filler messages

Method and apparatus for operating a radio telephone

FREQUENCY DETECTOR SYSTEM ON A DIGITAL PHASE LOCKED LOOP