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:
Aug. 22, 2006
Filed:
Apr. 04, 2002
Tarik Hammadou, Surry Hills, AU;
Tarik Hammadou, Surry Hills, AU;
Motorola, Inc., Schaumburg, IL (US);
Abstract
A method and an image sensor circuit () for providing a bit stream pulse modulated signal at a controlled bit rate. The image sensor circuit () has a two-dimensional array of pixel signal pulse frequency modulators () each having a photodiode () for converting incident light into a varying signal voltage and a frequency-to-digital converter which generates a pulse frequency modulated signal from the varying signal voltage. The circuitalso has a sampling unit () which samples the pulse frequency modulated signal to generate the bit stream pulse modulated signal at said controlled bit rate. An arithmetic unit () is coupled to an output of the sampling unit () for performing stochastic processing on the bit stream pulse modulated signal.