1
J M A Frederic Simard, William T Ross: Digital FSK demodulator with automatic offset cancellation. Northern Telecom, Yoshiharu Toyooka, July 25, 1995: US05436590 (10 worldwide citation)

A digital FSK demodulator used in e.g. a telephone loop produces unequal amplitudes in detected mark and space tones. The inequality or offset must be cancelled so that a proper timing signal can be recovered from the FSK signal. The demodulator includes a digital compensation circuit for offset can ...


2
Frederic Simard, David W Park: Optical performance monitoring for D/WDM networks. Ridout & Maybee, July 26, 2005: US06922532 (9 worldwide citation)

A performance monitoring method for an optically amplified transmission system. The method provides the optical power at each amplifier site, taking into account the inaccuracies introduced by the SRS in the power estimation obtained with the current methods. An optical spectrum analyzer is used at ...


3
Michael Brown, Laura A Mahan, Andre J Van Schyndel, Hugh M Collins, Frederic Simard, Christopher M Forrester: Wireless telephone handset. Northern Telecom, R J Austin, October 27, 1998: US05828965 (4 worldwide citation)

Portable wireless telephone handset with a flap movable upon a housing. In a first position the flap is close to a speaker to enable the flap to be disposed near to a user's ear for the user to receive personal low volume sound from the speaker. In a second position, the flap is further from the spe ...


4
Michael C G Lee, Frederic Simard: Method and apparatus for delivering non-obtrusive data services by spread spectrum modulation. Nortel Networks, September 14, 2004: US06792030 (3 worldwide citation)

The invention provides a method and apparatus for establishing a non-obtrusive data channel within a voice communication channel to transmit data during an audio transmission without disruption. This audio transmission can be for example, an audio conversation between a first and a second party. The ...


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Frederic Simard, David W Park: Optical performance monitoring for D/WDM networks. Aprilia U Diaconescu, c o Nortel Networks, August 22, 2002: US20020114062-A1

A performance monitoring method for an optically amplified transmission system. The method provides the optical power at each amplifier site, taking into account the inaccuracies introduced by the SRS in the power estimation obtained with the current methods. An optical spectrum analyzer is used at ...


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Jean Sebastien Lessard, Mathieu Boisclair, Frederic Simard Fournier: Location bookmark system and method for creating and using location information. Robert Brouillette, Brouillette Kosie, March 21, 2002: US20020035609-A1

This invention provides a system and method that enable wired and wireless computing device users to create, access and share geographical positioning data and related information preferably in real time. It allows for the creation, storage, access, transmission and management of geographical positi ...


9
Michael C G Lee, Frederic Simard: Method and apparatus for delivering non-obtrusive data services by spread spectrum modulation. Docket Clerk, May 8, 2003: US20030086478-A1

The invention provides a method and apparatus for establishing a non-obtrusive data channel within a voice communication channel to transmit data during an audio transmission without disruption. This audio transmission can be for example, an audio conversation between a first and a second party. The ...


10
Frederic Simard, Behrouz Nikpour, Xiaoqing Richard Hu: Method and apparatus for key management in an end-to-end encryption system. Smart & Biggar, June 25, 2009: US20090161873-A1

A method executed by a first network entity in communication with a second network entity. The method comprises maintaining a first key bank containing a key designated as an active key for the first network entity; maintaining a second key bank containing a key designated as a standby key for the f ...