Heismann; Fred L.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Heismann; Fred L..The latest application filed is for "determining in-band optical signal-to-noise ratio in polarization-multiplexed optical signals using signal correlations".

Company Profile

0.14.7

Heismann; Fred L. - Colts Neck NJ
Heismann; Fred L. - Boca Raton FL
Heismann; Fred L. - Tinton Falls NJ
Heismann; Fred L. - Freehold NJ

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Determining in-band optical signal-to-noise ratio in polarization-multiplexed optical signals using signal correlations Grant 10,651,931 - Heismann	2020-05-12
Determining In-band Optical Signal-to-noise Ratio In Polarization-multiplexed Optical Signals Using Signal Correlations App 20190149232 - HEISMANN; Fred L.	2019-05-16
Determining in-band optical signal-to-noise ratio in polarization-multiplexed optical signals using signal correlations Grant 10,218,436 - Heismann Feb	2019-02-26
Determining In-band Optical Signal-to-noise Ratio In Polarization-multiplexed Optical Signals Using Signal Correlations App 20180138974 - HEISMANN; Fred L.	2018-05-17
Determining in-band optical signal-to-noise ratio in polarization-multiplexed optical signals using signal correlations Grant 9,825,698 - Heismann November 21, 2	2017-11-21
Determining In-band Optical Signal-to-noise Ratio In Polarization-multiplexed Optical Signals Using Signal Correlations App 20160164599 - HEISMANN; Fred L.	2016-06-09
Determining in-band optical signal-to-noise ratios in optical signals with time-varying polarization states using polarization extinction Grant 8,294,896 - Heismann October 23, 2	2012-10-23
Measuring chromatic dispersion in an optical wavelength channel of an optical fiber link Grant 8,135,275 - Heismann , et al. March 13, 2	2012-03-13
Method and apparatus for generating signals with increased dispersion tolerance using a directly modulated laser transmitter Grant 8,131,157 - Heismann , et al. March 6, 2	2012-03-06
Determining In-band Optical Signal-to-noise Ratios In Optical Signals With Time-varying Polarization States Using Polarization Extinction App 20090316153 - HEISMANN; Fred L.	2009-12-24
Measuring Chromatic Dispersion In An Optical Wavelength Channel Of An Optical Fiber Link App 20090297140 - HEISMANN; Fred L. ; et al.	2009-12-03
Method and apparatus for generating signals with increased dispersion tolerance using a directly modulated laser transmitter App 20080181619 - Heismann; Fred L. ; et al.	2008-07-31
Distortion analyzer Grant 6,411,750 - Fishman , et al. June 25, 2	2002-06-25
Distortion analyzer App 20020051619 - Fishman, Daniel A. ; et al.	2002-05-02
High-speed polarization scrambler with adjustable chirp Grant 5,611,005 - Heismann , et al. March 11, 1	1997-03-11
Polarization dispersion compensation for optical devices Grant 5,600,738 - Bergland , et al. February 4, 1	1997-02-04
Polarization-independent optical wavelength selective coupler Grant 5,495,543 - Alferness , et al. February 27, 1	1996-02-27
Apparatus and method employing fast polarization modulation to reduce effects of polarization hole burning and/or polarization dependent loss Grant 5,359,678 - Heismann , et al. October 25, 1	1994-10-25
Apparatus and method employing fast polarization modulation to reduce effects of polarization hole burning and polarization dependent loss Grant 5,327,511 - Heismann , et al. July 5, 1	1994-07-05
Automatic polarization controller having broadband, reset-free operation Grant 5,212,743 - Heismann May 18, 1	1993-05-18
Integrated-optic endless polarization transformer Grant 4,966,431 - Heismann October 30, 1	1990-10-30

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.