Microvision, Inc.

Philippe Tarbouriech

Gilles Van Ruymbeke

Methods, apparatuses, and systems for identifying a digital fingerprint. One embodiment compensates for the inaccuracies resulting from the unstable nature of the circuits that yield digital fingerprints and, therefore, allows for reliable identification of these digital fingerprints. According to one embodiment, the digital fingerprint (identification) is divided into a plurality of sections and stored in a database. According to this embodiment, fingerprints are identified by comparing the sections of the fingerprint to be identified with corresponding sections of the fingerprints stored in the database. The matching fingerprint, in one embodiment, is the fingerprint associated with a statistically sufficient number of matching fingerprint sections. Other embodiments of the present invention optimize the section lookup methodology based on the stability of the sections of the fingerprint.

Digital fingerprint identification system

A method and apparatus is disclosed for detecting the frequency to which a broadcast receiver is tuned. In one embodiment, a sensing unit emits a chirp signal over a range of broadcast bands and monitors the output of the radio receiver to detect the frequency to which the radio receiver is tuned. In another embodiment, a sensing unit demodulates radio signals across a range of frequencies and compares the demodulated signals to observed audio output of the radio receiver.

Method and apparatus for detecting a radio frequency to which a broadcast receiver is tuned

A method and system for identifying data locations or uniform resource locators associated with physical observations in the real world. The method and system includes selecting certain physical parameters based upon an observation of real world objects and events and associating such physical parameters with data locations on the Internet or other computer network. When the real world object is observed or a real world event occurs, physical parameters relating to the object or event are sensed and recorded. These stored physical parameters are then communicated to a database, which returns a data location corresponding to the observed physical parameters. Thus, the present invention allows a user to &ldquo;click&rdquo; on objects or events in the real world in order to find data locations related to the objects or events in the on-line world.

Growing community of inventors

San Francisco, CA, United States of America

Philippe Tarbouriech