| 摘要 |
A cassette cash box for currency validators is presented. The cash box is received by the housing of a currency validator and retained thereby by only a mechanical locking interconnection. Received within the cash box is a counter which is optically coupled with a microprocessor in the currency validator housing. Each time a piece of currency is placed in the cash box, the optical coupler receives a signal which increments the counter. At any point in time, the count in the counter corresponds to the amount of currency maintained by the cash box. At regular service intervals, the cash box is removed and replaced with an empty one. The removed cash box is returned to an authorized service area where the count in the counter is compared with the amount of currency in the cash box. The counter is accessed and read by an application thereto of a special numeric code, known only to authorized personnel. In like manner, the counter is reset by the application of another specific secret code.
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