VIDEO DISKPLAYER SAFETY FEATURES

Improvements introduced in a video player to play round video discs provided with information tracks which are legible with the aid of a beam of radiation, and which comprises: a housing; a cover that is movably connected to the housing and that in a reproducing position covers a video disc that is...

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Bibliographic Details
Main Author CAMERIK E
Format Patent
LanguageEnglish
Published 19.06.1979
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:Improvements introduced in a video player to play round video discs provided with information tracks which are legible with the aid of a beam of radiation, and which comprises: a housing; a cover that is movably connected to the housing and that in a reproducing position covers a video disc that is being reproduced; latching means for engaging the lid in its reproducing position; releasing means for disengaging the lid from its reproducing position; an electric motor (main motor) accommodated in the housing to rotate the video disc; a drive shaft coupled to the main motor for rotating support of a video disk; and a radiation source for producing said radiation beam; characterized in that the disengagement means, during disengagement, cooperate with at least one of the following safety means: a) interrupting means for disconnecting the main motor; b) braking means for braking and bringing the drive shaft to the rest state; c) interrupting means for extinguishing the radiation beam; d) protective means that interpose in the path of the radiation beam to cut off the radiation beam before it can leave the housing. (Machine-translation by Google Translate, not legally binding)
Bibliography:Application Number: NZ19760181969