Dynamic magnetic information storage or retrieval – Miscellaneous
Patent
1987-06-16
1989-03-14
Wolff, John H.
Dynamic magnetic information storage or retrieval
Miscellaneous
360 13, 360 69, 360 721, 360 744, G11B 1518, G11B 1902, G11B 2712
Patent
active
048129402
ABSTRACT:
A display apparatus for a recording and/or playback device detects a pulse signal delivered from one of winding and supply reels of the device and a reference signal of an oral statement recorded on a recording medium. The display apparatus separately displays on respective display rows the present position of the recording medium while running from supply to winding reels and the position of the reference signal. The display rows are arranged such that a plurality of display segments correspond with a predetermined time interval. The relative position of the reference signal to the present position of the recording medium is thus accurately displayed even when the recording medium is on the way to its end. The display rows are shifted to higher resolution when the distance in time from the present position of the recording medium to the next reference signal recorded is less than a predetermined time.
REFERENCES:
patent: 4200893 (1980-04-01), Matison
patent: 4386379 (1983-05-01), Smith et al.
patent: 4398279 (1983-08-01), Titus et al.
patent: 4399527 (1983-08-01), Titus et al.
patent: 4410923 (1983-10-01), Patel
Olympus Optical Co,. Ltd.
Wolff John H.
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