The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 29, 2011
Filed:
Jul. 23, 2004
Nicholas Ashworth, Dublin, OH (US);
Nicholas Ashworth, Dublin, OH (US);
Ranco Incorporated of Delaware, Carol Stream, IL (US);
Abstract
An apparatus and method are provided for visually displaying the present room temperature of a space, through the use of a thermostatic controller adapted for receiving a temperature input indicative of a temperature in a space, and having a housing that includes an illuminated portion thereof emitting a light having a characteristic of the light that changes as a function of the temperature in the space. In various forms of the invention characteristics of the light, such as the color or the intensity of the light, are changed as a function of the temperature in the space, to provide a visual indication indicative of the present room temperature of the space. The characteristic of the light may be changed as a function of the present room temperature, or as the difference between the present room temperature and a desired room temperature, or for other purposes.