A paging receiver (10) as part of an analog wristwatch.

The paging receiver further has characteristics which are varied in response to the receive frequency.

A paging receiver has a synthesizer for governing the receive frequency.

A paging receiver (10) is provided which digitizes and stores received analog voice messages.

The paging receiver computes a future alert time to remind the user of the receipt of the data message.

This invention relates to a paging system comprising a paging controller (10) and a paging receiver (49).

There may be input terminals for telephone lines which allow pager or mobile phone signalling.

A miniature peak flow meter is provide which is compact, portable and of beeper-like size.

An antenna for the transmitter and receiver of a portable radio appliance (cordless telephone, mobile telephone, pager, telepoint appliance, etc.) consists essentially of two sheet metal angles (2, 3) arranged side by side.

A pager receiver including a conventional address decoder (16), an alert envelope waveform generator (26), and an alert function mapper (34) is disclosed.

Further, the paging receiver (10) is capable of detecting a special time/date field in the received data message to automatically generate a future alert.

A data limiter (30) in a paging receiver for converting an analog signal to a digital signal, the data limiter (30) having a variable time constant.

An electronic paging receiver (10) for reminding a user of an important event includes a time of day clock (64) for recording the time when a data message is received.