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Thomson TRT Defense

Thomson TR

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
EP0487384A1	System for automatic contrast regulation of images and came…	Expired / Lapsed	1991-11-15	—	0	Details
US4840465A	Device for correcting distortion	Expired / Lapsed	1987-11-19	1989-06-20	7	Details
US4475814A	Device for determining the spatial position of an object	Expired / Lapsed	1981-07-13	1984-10-09	6	Details
US4367473A	Distance measuring equipment utilizing frequency modulation	Expired / Lapsed	1980-07-11	1983-01-04	5	Details