Le Carvennec, Francois

Patent Applications and Registrations

Patent applications and USPTO patent grants for Le Carvennec, Francois.The latest application filed is for "copy-protected optical disk and protection process for such disk".

Company Profile

0.13.1

Le Carvennec, Francois - Senlisse FR
Le Carvennec; Francois - Cernay FR
Le Carvennec; Francois - Paris FR
Le Carvennec; Francois - Paris Cedex FR

*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
Copy-protected optical disk and protection process for such disk App 20010024411 - Pirot, Francois-Xavier ; et al.	2001-09-27
Variable-length information recording with reference marks for time reference during information reading Grant 5,475,672 - Le Carvennec December 12, 1	1995-12-12
Optical device for the recording and reading of data media and optical memory system incorporating such a device Grant 4,387,452 - Bricot , et al. June 7, 1	1983-06-07
Process for producing information carrying discs Grant 4,157,931 - Bricot , et al. June 12, 1	1979-06-12
System for automatically correcting the duty factor of the carrier wave arising from reading-out a data carrier Grant 4,142,208 - Oprandi , et al. February 27, 1	1979-02-27
Method for compressing then expanding a television signal Grant 4,068,258 - Bied-Charreton , et al. January 10, 1	1978-01-10
Data carrier optically readable by transmission and method of manufacturing such a data carrier Grant 4,038,524 - Puech , et al. July 26, 1	1977-07-26
Data carrier optically read out by transmission, and method of manufacturing said data carrier Grant 4,037,251 - Bricot , et al. July 19, 1	1977-07-19
Electro-optical converter and an optical information recording system comprising such a converter Grant 4,001,635 - D'Auria , et al. January 4, 1	1977-01-04
Communication system for disseminating coded digital data in analogue form utilizing an orthogonal transformation Grant 4,001,564 - Bied-Charreton , et al. January 4, 1	1977-01-04
Method of reducing the optical noise produced by a motion on an illuminated surface, and optical devices for implementing said method Grant 3,919,698 - Bricot , et al. November 11, 1	1975-11-11
Optical sensor for determining the focussing error in an optical illumination system embodying a projection lens Grant 3,912,922 - Lacotte , et al. October 14, 1	1975-10-14
Reproducing device for the optical reading out of a record carrying an embossed print Grant 3,909,608 - Le Merer , et al. September 30, 1	1975-09-30
Camera System Utilising A Pyroelectric Target Grant 3,774,043 - Le Carvennec November 20, 1	1973-11-20

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.