Inventor
VAN ROSMALEN GERARD EDUARD
9 patents
⚠️ This page may combine multiple inventors who share the name “VAN ROSMALEN GERARD EDUARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
7 patentsUS4063287ADec 13, 1977
Tracking mirror device for a video disc player
PHILIPS CORP65 citations95
US4073567AFeb 14, 1978
Pivoting mirror device
PHILIPS CORP68 citations93
US4074312AFeb 14, 1978
Automatic dithering optical focusing system using an oscillating mirror in the path of the radiation beam
PHILIPS CORP40 citations91
US4032776AJun 28, 1977
Automatic optical focussing system
PHILIPS CORP22 citations81
US3969575AJul 13, 1976
Opto-electronic focus detection system
PHILIPS CORP31 citations78
US3969574AJul 13, 1976
Tubular player arm for an optical recording and reproducing device with drive coil and tachogenerator coil on other end
PHILIPS CORP9 citations72
US4060248ANov 29, 1977
Playing apparatus, in particular a video player for playing a record which is made of a transparent material and provided with a central hole
PHILIPS CORP12 citations65