| 4523087 |
Transaction verification system using optical coupling data communication link |
| Jun-11-1985 |
A system for providing authorization to complete a requested transaction comprises a portable verification device (20) carried by each user to be inserted into a receptacle (34) at a point of transaction... |
| 4484067 |
Card identification system |
| Nov-20-1984 |
An identification element in the form of an integrated circuit, for example for identification cards and similar data carriers. The element contains a confidential code which is known only by the lawful... |
| 4460965 |
Device for the use of and easily carried by an individual |
| Jul-17-1984 |
A device for the use of and easily portable by an individual, consisting of a main memory, a microprocessor, a keyboard for the control of the microprocessor, etc., and at least one accounting memory and... |
| 4454414 |
Funds transfer system using optically coupled, portable modules |
| Jun-12-1984 |
A system for transferring funds in lieu of cash or other data comprises portable funds transfer modules issued by a bank or other financial institution and carried by each member who may be a vendee or... |
| 4453074 |
Protection system for intelligent cards |
| Jun-5-1984 |
There is disclosed a protection system for intelligent cards. Each card has stored in it a code which is the encryption of a concatenation of a user secret password and a common reference text. The encryption... |
| 4449775 |
Connector for portable objects such as credit cards |
| May-22-1984 |
A connector for a portable object particularly adapted for credit cards having an IC chip thereon comprises an element incorporating a chamber having an opening adapted to receive the portable object along... |
| 4443049 |
Connector for portable objects such as credit cards |
| Apr-17-1984 |
A connector for a portable object particularly adapted for credit cards having an IC chip thereon comprises an element incorporating a chamber having an opening adapted to receive the portable object along... |
| 4353064 |
Battery operated access control card |
| Oct-5-1982 |
An access control card for use in an access control system. A battery, a wireless signal sensor such as an antenna for receiving coded wireless signals such as coded radio frequency signals generated by... |
| 4305059 |
Modular funds transfer system |
| Dec-8-1981 |
A system for transferring funds in lieu of cash comprises an identical funds transfer module issued by a bank or other financial institution and carried by each member who may be a customer or vendor.... |
| 4277837 |
Personal portable terminal for financial transactions |
| Jul-7-1981 |
A personal portable terminal for financial transactions adapted for use with one or more data storage and transfer cards (DSTCs) and other external devices, such as point of sale terminals, is disclosed.... |
| 4256955 |
System for keeping account of predetermined homogeneous units |
| Mar-17-1981 |
A credit card system includes a credit card containing a memory for storing coded information indicative of: an identification of the use for which the article is intended, an identification of units used... |
| 4224666 |
Data processing system which protects the secrecy of confidential data |
| Sep-23-1980 |
A data processing system is provided which protects the secrecy of confidial data transmitted between a transmitting terminal and key, such as a credit card, which is used to authorize a dialogue between... |
| 4105156 |
Identification system safeguarded against misuse |
| Aug-8-1978 |
An identification card with interior circuits, including memory means, for use in a credit or identification system, into which the user enters a "secret" number and then the input gate to that part of... |
| 4007355 |
Data-transfer system |
| Feb-8-1977 |
A system for transferring data between persons, for example in lieu of cash transactions, requires that each person to or from whom data is to be transferred carries a portable electronic device including... |
| 4001550 |
Universal funds transfer and identification card |
| Jan-4-1977 |
A universal funds transfer and identification card for use with electronic terminals, such card including a random access memory for storing up to date account information sufficient to allow the completion... |
| 3979058 |
Operator prompting system for stored program calculator |
| Sep-7-1976 |
An operator prompting system for a calculator of the type having stored program control for performing a limited number of pre-programmed calculations, the prompting system being adapted to guide an operator... |
| 3971916 |
Methods of data storage and data storage systems |
| Jul-27-1976 |
Data, for example, data relating to a bank account, is carried on the person in the form of a small portable means such as a flat card containing encapsulated logic microstructures. The circuitry includes... |
