×

System and method for washing machine cycle identification and chemical dosing identification

  • US 5,897,671 A
  • Filed: 11/07/1997
  • Issued: 04/27/1999
  • Est. Priority Date: 11/07/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A control system for use in conjunction with a mechanism for dispensing chemicals from a set of chemical supplies and a device that transmits trigger signals to the control system for requesting chemicals to be dispensed from the chemical supplies, the control system comprising:

  • trigger signal accumulating means for accumulating sequences of trigger signals received by the control system, each trigger signal sequence consisting of one or more received trigger signals, each trigger signal sequence being preceded and followed by a period of time of predefined duration during which no trigger signals are received;

    wherein a non-zero subset of the trigger signal sequences received each includes two or more trigger signals, and wherein at least some of the trigger signals in some of the trigger signal sequences are not received simultaneously;

    trigger signal sequence mapping means for mapping at least a subset of the accumulated sequence of trigger signals received by the control system into corresponding control codes;

    dispensing control means for controlling the dispensing of chemicals from the chemical supplies in accordance with the control codes.

View all claims
  • 7 Assignments
Timeline View
Assignment View
    ×
    ×