The bell pinged and the doors opened.

The lift's bell pinged, the doors hissed back.

A bell pinged sharply as the door swung shut behind him, and Daniel felt suddenly very enclosed.

Then the message-received bell pinged and, with sudden joy, I lifted the sheet from the tray.

Finally a bell pinged and the metal panels of the second elevator opened.

There was no one there; a bell pinged and the red light above the third lift flashed on.

A bell pinged and the whine of operation died away.

The bell over the door pinged as they entered.

A bell pinged and a sheet of paper slipped out of the printer.

Its bell pinged happily in the gentle swell.