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A parking meter capable of being operated without the use of a monetary coin. The parking meter is intended to be used with an account card incorporating a read/write memory (e.g. a magnetic strip) pre-recorded with a monetary value. The parking meter has a body with a slot or the like for receiving

A parking meter capable of being operated without the use of a monetary coin. The parking meter is intended to be used with an account card incorporating a read/write memory (e.g. a magnetic strip) pre-recorded with a monetary value. The parking meter has a body with a slot or the like for receiving the account card, means for reading the memory on the card, a comparator for comparing information from the memory with stored information, a timer for measuring a predetermined time period, an indicator for indicating the elapse of the time period, a start mechanism for the timer having an enabling or disabling control governed by the comparator and an amending device for amending the memory on the account card to deduct the value of the parking period bought by the user.

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A parking meter capable of being operated without the use of a monetary coin for the purchase of a parking period, comprising: a body having means for receiving a user\s account card incorporating a read/write memory for recording an identity code and a discrete monetary value; a timer for measuring

A parking meter capable of being operated without the use of a monetary coin for the purchase of a parking period, comprising: a body having means for receiving a user\s account card incorporating a read/write memory for recording an identity code and a discrete monetary value; a timer for measuring an elapse of time; an indicator for indicating a termination of said parking period; means for reading said read/write memory of said card; means for amending said read/write memory of said card; and programmable means capable of carrying out the following steps: (a) receiving information read from said user\s account card, memorizing said identity code and said discrete monetary value, confirming the validity of said account card and issuing a reject signal if said card is invalid; (b) noting the time of day and date and comparing same with a memorized list of parking payment rates and maximum permissible parking times; (c) calculating a charge for a maximum permissible parking time corresponding to the time of day and date; (d) comparing said calculated charge with said discrete monetary value from said user\s account card; (e) starting the measurement of said maximum time if said charge is less than said monetary value, or calculating the time period corresponding to said monetary value if said charge is greater than said monetary value and then commencing measurement of said calculated time period; (f) forwarding said charge or said monetary value, whichever is the smaller, to said means for amending said read/write memory for deduction from said discrete monetary value; (g) forwarding a meter identification code to said means for amending said read/write memory for recordal on said user\s card; (h) calculating a refund amount if a user\s card bearing said recorded meter identification code is read by said reading means prior to expiry of said maximum or corresponding parking time period; (i) ending the measurement of time started in (e) following step (h) ; (j) conveying said refund amount to said means for amending said read/write memory to record on said user\s card as a credit; and (k) sending a signal to said indicator at an end of said maximum or calculated time measured in step (e) or after step (i), whichever is the sooner, in order to operate said indicator to indicate the termination of said parking period.