Patent 8479909 was granted and assigned to IPS Group on July, 2013 by the United States Patent and Trademark Office.
A separate removable and replaceable coin validation unit for use in a coin-operated device has a housing and clip formations by means of which the housing is releasably held in a cavity in the coin-operated device. The coin validation unit is electrically operable and has electrical connectors which connect with complementary connectors in the cavity. The coin operated device is particularly a single bay parking meter.