Inventor

GUILLOU LOUIS C

FR7 patents

⚠️ This page may combine multiple inventors who share the name “GUILLOU LOUIS C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TELEDIFFUSION FSE

4 patents

US4323921AApr 6, 1982

System for transmitting information provided with means for controlling access to the information transmitted

TELEDIFFUSION FSE577 citations98

US4337483AJun 29, 1982

Text video-transmission system provided with means for controlling access to the information

TELEDIFFUSION FSE365 citations97

US4354201AOct 12, 1982

Television system with access control

TELEDIFFUSION FSE161 citations96

US4352011ASep 28, 1982

Subscription card for a videotex receiver

TELEDIFFUSION FSE117 citations95

PHILIPS CORP

2 patents

US5140634AAug 18, 1992

Method and apparatus for authenticating accreditations and for authenticating and signing messages

PHILIPS CORP257 citations98

US4748576AMay 31, 1988

Pseudo-random binary sequence generators

PHILIPS CORP22 citations75

GUILLOU LOUIS C

1 patent

US4543559ASep 24, 1985

Generator of encoding or decoding 8-bit bytes which can be used in a video system

GUILLOU LOUIS C5 citations45