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| Number | Title | Issue Date |
| 5285382 | System and method for processing credit and debit card validity and funds transactions from vending machines and similar terminals A system and method for processing credit card transactions includes a data processor with memory storage capable of accessing an electronic clearing facility through a time rated (e.g., long distance) communication link. The system generates a real-time ... | 02/08/1994 |
| 5239583 | Method and apparatus for improved security using access codes An improvement in structure and credit account access security employing method and means for ensuring that repeating an exact access code which was successful in accessing the account will be unsuccessful at the next or subsequent tries. The user enters ... | 08/24/1993 |
| 5231570 | Credit verification system A credit card status verification system is disclosed in which the status of very large numbers of credit cards is contained and accessed from a compact storage media, such as a CD-ROM disk, at a remote location, thereby eliminating the necessity of obtai... | 07/27/1993 |
| 5206488 | Credit card system including a central unit and a plurality of local units for conducting low-cost transactions A credit card system comprises a central unit and plurality of local units communicating with the central unit. The central unit includes a central storage device for each subscriber for storing amounts to be charged to the respective subscribers, and eac... | 04/27/1993 |
| 5192947 | Credit card pager apparatus A low cost, low power consumption pager of approximate credit card size which can serve as both a pager and a credit card or telephone calling card. The pager is powered by a flat, flexible battery, and is comprised of low power consumption pager circuitr... | 03/09/1993 |
| 5177342 | Transaction approval system A transaction approval system (10) is disclosed which includes various enhancements to existing systems. For example, the transaction limit (30) stored in the terminal can by dynamically adjusted to vary the level of risk at the terminal to be closer to t... | 01/05/1993 |
| 5091713 | Inventory, cash, security, and maintenance control apparatus and method for a plurality of remote vending machines A monitoring system for monitoring a vending machine at a remote location, the monitoring system including an inventory sensing system for providing a continuous update of the inventory in the vending machine, an alarm system to signal when the vending ma... | 02/25/1992 |
| 5016274 | On-line/off-line digital signing A method for "on-line/off-line" digital signing is described and begins by pre-computing a data string x from a pair of matching public and secret keys of a digital signature scheme such that, for any message m later selected to be signed, a signature of ... | 05/14/1991 |
| 4908769 | Commodity metering systems A multi-rate commodity metering system comprises an electronic key containing an EEPROM, and a meter for metering the commodity and having a receptacle for receiving the key. The meter also contains a real-time clock. The key can operate as a prepayment d... | 03/13/1990 |
| 4831242 | Control system for health club facilities and equipment A control system for a health club which stores user records including user activity data in order to monitor and control use of the club's facilities. A central controller includes a memory for storing the user records including attendance data and accou... | 05/16/1989 |
| 4734695 | Secure card and sensing system An identification card is disclosed as for supporting commercial or other significant transactions involving a designated subject. The card incorporates a machine-readable record and is produced with an individual birefringent characteristic to modulate a... | 03/29/1988 |
| 4734564 | Transaction system with off-line risk assessment The subject invention relates to a transaction system wherein the issuer of transaction cards can regulate the type of authorization requests transmitted from the point of transaction. The system includes a plurality of transaction cards, each of which ar... | 03/29/1988 |
| 4558211 | Transaction terminal system In a transaction terminal system including a central computer and a number of remote intelligent terminals in intermittent communication with the central computer, the central computer periodically updates local hot card files at the terminals from a mast... | 12/10/1985 |
| 4409434 | Transistor integrated device, particularly usable for coding purposes In a transaction card such as a credit or payment card provided with an integrated circuit for performing and recording the transaction, communications between the card and an access terminal must be coded so as to prevent fraud attempts. An integrated ci... | 10/11/1983 |
| 4361754 | Record operated control system for a vending machine A record operated control system is provided for use with a vending machine and a record reading/writing apparatus having a read/write head for reading and writing data on a record during relative movement between the record and the read/write head. The c... | 11/30/1982 |
| 4187498 | Check verification system A check verification system for providing customer-operated verification of checks at point-of-sale locations. The present system enables a customer to verify several possible kinds of checking functions, including verification of payroll or government ch... | 02/05/1980 |
| 4068213 | Checkout system A merchandise checkout system is disclosed including a credit card reader operated by the customer to obtain credit information used in totalizing the merchandise transaction. A data terminal is utilized by the checkout operator to total the amount of the... | 01/10/1978 |
| 3982103 | Credit verification system A credit verification system is disclosed including remote terminals and a central unit, for use with identification cards carrying a changeable recording medium. On presentation, cards are sensed to provide signals indicative of identification with (1) a... | 09/21/1976 |
| 3958103 | Automatic ticket vending system An automatic ticket vending system in which a stored value card previously issued to a customer is used to purchase a ticket which can be used in the existing conventional automatic ticket gate in which the tickets purchased from an ordinary coin-actuated... | 05/18/1976 |
| 3947820 | Credit card verifier A low cost credit card verifier unit for use in conjunction with a time-shared central processing unit (CPU) or computer in a credit card verification system. The unit includes a tone generator for generating a series of ten tones identifying the code on ... | 03/30/1976 |
| 3940795 | Verification apparatus using a card scanning means An apparatus and method are provided for verifying the status of an account such as a credit card account or that the holder of a card is the party indicated by information recorded on the card. In one form, information is recorded on a magnetic recording... | 02/24/1976 |
| 3938091 | Personal verification system A customer code word issuing machine is provided wherein a customer manually inputs to the machine his secret password. The machine encodes the password and displays his corresponding issued code word. A verification machine is provided which includes a d... | 02/10/1976 |
| 3931497 | Automated fuel dispenser An automated fuel dispensing system provides semiattended operation utilizing a computerized credit authorization and billing technique by means of a direct connection to a regional credit center over communication lines. A control console for multiple pu... | 01/06/1976 |
