Electronic access control system

A multiple station access control and accounting system for activation and use, by a plurality of authorized users, of a plurality of fluid dispensing stations, each adapted to be activated for dispensing fluid and having means for generating a train of pulses with a pulse for each predetermined increment of fluid dispensed;

• the users having assigned identifiers respectively which include different memory block address codes respectively;
• the access control and accounting system comprising read/write memory means having an assigned multiple digit memory block for each user, corresponding to the user's assigned memory block address code, with a multiple digit accumulator for storing therein the accumulated count of the user's dispensing station usage;
• memory control means selectively operable for selecting each user memory block and selectively operable for reading the accumulated count and incrementing the accumulated count of the accumulator section of the selected user memory block;
• dispensing station control means for each dispensing station having a settable user memory block selector for operating the read/write memory means for selecting a user memory block;
• controller entry means having a readout register and selectively operable by a controller for selectively operating the read/write memory means for selecting each user memory block and for reading the accumulated count of the selected user memory block with the readout register;
• user entry means operable by each user to select a fluid dispensing station and enter the user's identifier into the access control and accounting system to set the user memory block selector of the selected station control means with the memory block address code thereof for selecting the corresponding user memory block;
• the selected station control means being operable to activate the corresponding fluid dispensing station after entry of the user's assigned identifier;
• and the read/write memory control means being operable by the pulses of each fluid dispensing station to increment the accumulated count in the multiple digit accumulator of the corresponding selected user storage block in accordance with the number of such pulses.

An access control system operable for activation and use, by a plurality of authorized users, of at least one fluid dispensing station, each adapted to be activated for dispensing fluid;

• the users having different assigned multiple digit user identifiers respectively, each having a multiple digit memory block address code portion and a multiple digit security code portion, for operating the system for activation of a dispensing station;
• the access control system comprising station control means operable for activating each fluid dispensing station;
• read/write memory means having an assigned multiple digit memory block for each user, corresponding to the user's assigned memory block address code, with a multiple digit security code storage section for having written therein the user's assigned multiple digit security code;
• read/write memory control means selectively operable for selecting each user memory block and selectively operable for selectively writing an assigned multiple digit security code in the security code storage section of the selected user memory block;
• entry means operable by a controller for operating the read/write memory control means for selecting each user memory block and selectively operable for operating the read/write memory control means for writing a selected multiple digit security code in the multiple digit security code storage section of the selected user memory block;
• the entry means being selectively operable by each user for entering a selected input binary encoded multiple digit electrical identifier signal of a corresponding assigned multiple digit user identifier into the access control system to select the respective user memory block with the multiple digit memory block address code portion thereof;
• and verification means operable for verifying the correctness of the input identifier signal entered into the system by the user by comparing the multiple digit security code portion thereof with the multiple digit security code stored in the security code storage section of the selected user memory block;
• the verification means being operable to operate the station control means to activate at least one fluid dispensing station for use by the user if said input identifier signal entered by the user is verified to be correct.

An access control system operable for activation and use, by a plurality of authorized users, of at least one fluid dispensing station, each adapted to be activated for dispensing fluid;

• the users having at least one assigned user identifier for operating the system for activation of a dispensing station;
• the access control system comprising station control means operable for activating each fluid dispensing station;
• identifier means selectively operable for establishing therewith a selected binary encoded electrical identifier signal for establishing each corresponding assigned user identifier;
• entry means selectively operable by each user for entering a selected input binary encoded electrical identifier signal of a corresponding assigned user identifier into the access control system;
• verification means operable for verifying the correctness of the input identifier signal entered into the system by the user by comparing it with a corresponding user identifier signal established with the identifier means;
• the verification means being operable to operate the station control means to activate at least one fluid dispensing station for use by the user if said input identifier signal entered by the user is verified to be correct;
• each of the said established and said input identifier signals being a multiple digit identifier signal which corresponds to a multiple digit assigned user identifier;
• the identifier means and entry means being selectively operable for establishing and entering respectively each of a plurality of different selected multiple digit binary encoded electrical identifier signals, for different corresponding multiple digit assigned user identifiers respectively, for the plurality of authorized users respectively;
• and each fluid dispensing station having means for generating a train of a plurality of pulses with a pulse for each predetermined increment of fluid dispensed;
• the access control system further comprising accumulator memory means with an assigned user accumulator section for each authorized user for accumulating a count of the amount of fluid dispensed by the respective user, and memory control means selectively operable for selecting each user accumulator section and for incrementing the accumulated count of the selected user accumulator section;
• the identifier means comprising selector means selectively settable by the input user identifier signal for operating the memory control means for selecting a user accumulator section of the accumulator memory means in accordance with the input identifier signal, the memory control means being operable by the selector means to select a user accumulator section corresponding to the input user identifier signal for incrementing the accumulated count thereof with the pulses generated by each activated fluid dispensing station of the user.

An access control system for activation and use, by a plurality of authorized users, of a plurality of fluid dispensing stations, each adapted to be activated for dispensing fluid;

• the users having at least one assigned user identifier for operating the access control system for activation of the fluid dispensing stations for dispensing fluid;
• the access control system comprising station control means selectively operable for selectively activating the fluid dispensing stations;
• binary signal identifier means selectively operable for establishing therewith a selected binary encoded electrical identifier signal for establishing each assigned user identifier;
• resettable entry means selectively operable to selectively operate the binary signal identifier means to establish therewith a selected binary encoded electrical identifier signal for establishing each assigned user identifier, the entry means being selectively operable by each user to sequentially reset the entry means, select a dispensing station and enter an input binary encoded electrical identifier signal, for the corresponding assigned user identifier, into the access control system;
• the entry means comprising a push button keyboard with a reset push button connected for resetting the entry means and a plurality of additional push buttons connected for both selecting a dispensing station and entering an input binary encoded electrical identifier signal digit by digit in sequence, and verification means for comparing the input identifier signal with the binary encoded electrical identifier signal established with the identifier means for the assigned user identifier and for operating the station control means for activating the selected fluid dispensing station if the input and established identifier signals are the same.

An access control system for activation and use, by a plurality of authorized users, of a plurality of fluid dispensing stations, each adapted to be activated for dispensing fluid and having means for generating a train of electrical pulses with a pulse for each predetermined increment of fluid dispensed;

• the access control system comprising station control means selectively operable for selectively activating each fluid dispensing station;
• memory means with an assigned user accumulator section for each authorized user for accumulating a count of the amount of fluid dispensed by the respective user;
• memory control means selectively operable for selecting each user accumulator section and for incrementing the accumulated count of the selected user accumulator section;
• accumulator selector means selectively settable for selectively operating the memory control means for selecting each user accumulator section of the accumulator memory means;
• entry means selectively operable by each user to select a dispensing station and selectively set the selector means for selecting the corresponding user accumulator section;
• the selector means being operable in accordance with the setting thereof to operate the memory control means to select the corresponding user accumulator section for incrementing the accumulated count thereof with the electrical pulses generated by the fluid dispensing station selected by the user.