Tension control device for a video tape recording and/or reprodu

Details Tension control device for a video tape recording and/or reprodu Tension control device for a video tape recording and/or reprodu

1974-11-12

1976-07-13

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Record transport with head moving during transducing

Tape record

242 7543, 242189, 360 72, 360132, G11B 1566, G11B 1543, G11B 552, G11B 2304

Patent

active

039697665

ABSTRACT:
A tension control device, particularly for an apparatus recording and/or reproducing video signals on a tape which is wound on and extends between supply and take-up reels, includes a pivoted tension control arm urged by a tensioning spring against a run of the tape between the reels for detecting the tape tension and correspondingly controlling a brake resisting rotation of the supply reel so as to maintain the tape tension at a level determined by the spring force, and the spring force is made adjustable for varying the tape tension which is to be maintained by connecting the tensioning spring to a movable anchor member which is substantially counter-balanced, for example, by another spring acting on the anchor member in opposition to the tensioning spring. Movements of the anchor member for adjusting the force of the tensioning spring are effected by a manually actuable control element preferably having an irreversible coupling to the anchor member which provides a substantial mechanical advantage, for example, in the form of a cam member turnable with the control element and engaged by a cam follower on the movable anchor member.

REFERENCES:
patent: 3374962 (1968-03-01), Dunsheath
patent: 3380680 (1968-04-01), Dunsheath et al.
patent: 3580525 (1971-05-01), Dopner
patent: 3621149 (1971-11-01), Wada et al.
patent: 3673348 (1972-06-01), Larkin
patent: 3697016 (1972-10-01), Leifer et al.
patent: 3764757 (1973-10-01), Inaga
patent: 3769470 (1973-10-01), Curtis

Affiliated with

Also associated with

Rating

Tension control device for a video tape recording and/or reprodu does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tension control device for a video tape recording and/or reprodu, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tension control device for a video tape recording and/or reprodu will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1743396