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.

Date of Patent:
Mar. 29, 2011

Filed:

May. 11, 2009
Applicant:

Bradley D. Ford, San Jose, CA (US);

Inventor:

Bradley D. Ford, San Jose, CA (US);

Assignee:

Apple Inc., Cupertino, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 9/44 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for responding to changes to properties of component instances is disclosed. A routine, that is to be informed of changes that occur to a particular property of a plurality of properties of a component instance, is registered. The value of the particular property is detected as changed when the value of the particular property changes because of a change to another property of the plurality of properties. A call is made to the routine to indicate that the particular property has changed.


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