Electronic and kinematic contrivance for a selective recording o

Details Electronic and kinematic contrivance for a selective recording o Electronic and kinematic contrivance for a selective recording o

1976-07-15

1978-10-31

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

226 44, 226118, 360 90, G11B 1506, G11B 1528

Patent

active

041237870

ABSTRACT:
The present invention provides a magnetic tape recorder for recording randomly occurring signals and includes tape supply and takeup reels with associated reel drives and a loop support device to support a loop of magnetic tape extending between the reels. The loop support device is adapted to selectively vary the length of the loop between a maximum and a minimum length. A tape drive capstan and magnetic head are provided between the supply reel and the loop support device to, respectively, transport the magnetic tape from the supply reel to the loop support device and to record data on the tape. Another tape drive capstan and magnetic head are provided between the takeup reel and the loop support device to, respectively, transport the magnetic tape from the loop support device to the takeup reel and to record data on the magnetic tape. An auxiliary capstan is provided to selectively transport the magnetic tape from the takeup reel to the loop support device.
The magnetic tape recorder operates through successive cycles in which the magnetic tape is transported in the forward and reverse direction through various modes, namely, a short loop mode, a short loop to long loop mode, a long loop mode, and a long loop to short loop mode. When a signal is recorded on a tape segment the cycle is interrupted, the tape segment is stored on the takeup reel, and the cycle resumed with a supply of unrecorded magnetic tape from the supply reel.

REFERENCES:
patent: 2819940 (1958-01-01), Sorrells
patent: 3682363 (1972-08-01), Hull
patent: 3916441 (1975-10-01), Jones
patent: 3942190 (1976-03-01), Detwiler
patent: 3945036 (1976-03-01), Karsh

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