Apparatus and method for determining a characteristic of a consumable

• US 8,400,638 B2
• Filed: 09/27/2010
• Issued: 03/19/2013
• Est. Priority Date: 09/27/2010
• Status: Active Grant

• Current Assignee: Whirlpool Corporation
• Original Assignee: Whirlpool Corporation
• Inventors: Dunsbergen, Kirk M., Ghosh, Kaustav, Pinkowski, Robert J.
• Primary Examiner(s): PHAM, HOA Q
• Application Number:
  US12/890,803
• Publication Number:
  US 20120075635A1
• Time in Patent Office: 904 Days
• Field of Search: 356445-448, 356432-440, 68/3.R, 68/121.8, 815/8, 815/9
• US Class Current: 356/448
• CPC Class Codes: D06F 2103/22 Content of detergent or additives
• CPC Class Codes: D06F 2103/64 Radiation, e.g. microwaves
• CPC Class Codes: D06F 2105/58 Indications or alarms to the control system or to the user
• CPC Class Codes: D06F 2105/60 Audible signals
• CPC Class Codes: D06F 25/00 Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air control of washing or of washing and drying D06F33/00, D06F34/00; domestic laundry dryers D06F58/00
• CPC Class Codes: D06F 34/14 Arrangements for detecting or measuring specific parameters
• CPC Class Codes: D06F 39/02 Devices for adding soap or other washing agents
• CPC Class Codes: G01N 21/55 Specular reflectivity

Abstract

The embodiments of the invention relate to a method and apparatus for determining at least one characteristic of a physical resource for use in a physical resource consuming apparatus.

Claims

1. A physical resource consuming apparatus comprising:

a physical resource consuming system operating according to a cycle of operation requiring the consumption of at least a portion of a physical resource;

a physical resource dispensing system coupled to the physical resource consuming system to dispense a physical resource coupled to the physical resource consuming system and comprising;

a removable component removably coupled to the physical resource dispensing system and defining a reservoir configured to hold the physical resource;

a graphic provided on the removable component and having optically encoded information regarding a characteristic of the physical resource contained in the reservoir; and

an optical reading system comprising;

an illumination source selectively providing illumination at a first intensity and a second intensity onto the graphic when the removable component is coupled to the physical resource dispensing system;

a reflectance reader configured to read the reflectance from the graphic when illuminated by the illumination source at the first and second intensity and provide an output indicative of the read reflectance during illumination at the first and second intensities; and

a controller operably coupled to the optical reading system to receive the output and determine at least one operating parameter of the physical resource consuming apparatus as a function of the output.

2. The physical resource consuming apparatus of claim 1 wherein the illumination source is configured to provide the first intensity illumination at a different wavelength than the second intensity illumination.

3. The physical resource consuming apparatus of claim 1 wherein the illumination source comprises at least two illumination sources, with one of the two illumination sources providing the first intensity illumination and the other of the two illumination sources providing the second intensity illumination.

4. The physical resource consuming apparatus of claim 1 wherein the illumination source is configured to provide illumination at the first intensity to at least one of a surface of the graphic and an interior of the graphic and the reflectance reader is configured to read the reflectance from the at least one of a surface of the graphic and an interior of the graphic when illuminated by the illumination source at the first intensity.

5. The physical resource consuming apparatus of claim 1 wherein the illumination source is configured to provide illumination at the second intensity to penetrate an upper surface of the graphic to illuminate at least one of a surface of the removable component, an interface between the removable component and the graphic, an interior of the graphic, and the physical resource, and the reflectance reader is configured to read the reflectance from the at least one of the surface of the removable component, the interface between the removable component and the graphic, the interior of the graphic, and the physical resource when illuminated by the illumination source at the second intensity.

6. The physical resource consuming apparatus of claim 5 wherein the interior of the graphic comprises at least one layer beneath the upper surface of the graphic and the illumination source is configured to provide illumination at the second intensity to the at least one layer and the reflectance reader is configured to read the reflectance from the at least one layer when illuminated by the illumination source at the second intensity.

7. The physical resource consuming apparatus of claim 1 wherein the physical resource consuming apparatus comprises a laundry treating appliance having a treating chamber for receiving a load of laundry.

8. The physical resource consuming apparatus of claim 7 wherein the physical resource includes a laundry treating chemistry.

9. The physical resource consuming apparatus of claim 1 wherein the controller further comprises a coding matrix relating the output indicative of the read reflectance during illumination at the first and second intensities to at least one characteristic of the physical resource.

10. The physical resource consuming apparatus of claim 9 wherein the at least one characteristic comprises at least one of:

information indicative of a cycle of operation, information indicative of at least one operating parameter of a cycle of operation, a presence or absence of the physical resource, a physical property of the physical resource, an amount of the physical resource, an identification of the physical resource and an authentication key.

11. The physical resource consuming apparatus of claim 10 wherein the amount of the physical resource includes at least one of a number of total doses of the physical resource, a number of doses of the physical resource remaining, a number of doses of the physical resource dispensed and an amount of the physical resource remaining.

12. The physical resource consuming apparatus of claim 1 wherein the at least one operating parameter is a number of total doses of the physical resource.

13. The physical resource consuming apparatus of claim 12 wherein the controller is configured to determine a number of doses of the physical resource dispensed based on the total number of doses of the physical resource.

14. The physical resource consuming apparatus of claim 13 wherein the controller is configured to communicate a number of doses of the physical resource remaining with a user through at least one of an audible and visible signal.

15. The physical resource consuming apparatus of claim 13 wherein the controller is configured to communicate when all of the doses of the physical resource have been dispensed with a user through at least one of an audible and visible signal.

16. The physical resource consuming apparatus of claim 1 wherein the at least one operating parameter comprises at least one of a cycle of operation and at least one setting of a cycle of operation.

17. The physical resource consuming apparatus of claim 1 wherein the graphic comprises a label.

18. The physical resource consuming apparatus of claim 1 wherein the graphic comprises indicia printed on the removable component.

19. The physical resource consuming apparatus of claim 1 wherein the graphic comprises a substrate on which there is printed indicia.

20. The physical resource consuming apparatus of claim 1 wherein the removable component comprises a container.

21. The physical resource consuming apparatus of claim 1 wherein at least one of the first intensity of illumination and the second intensity of illumination comprises illumination of multiple wavelengths.

22. The physical resource consuming apparatus of claim 21 wherein the multiple wavelengths comprise sequentially varying wavelengths.

23. The physical resource consuming apparatus of claim 1 wherein the first intensity and second intensity illuminations have different polarity.