Automatic tape searching method

Details Automatic tape searching method Automatic tape searching method

1989-09-25

1994-02-15

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

360 721, 360 7305, 360 741, G11B 1518

Patent

active

052872327

ABSTRACT:
An automatic (auto) tape searching method which searches the required tape portion fast and automatically by repeating a sequence of operational procedures. The auto tape searching method comprises: a first stage which initializes the port of a microcomputer and the content of a RAM (random access memory), sets the initial values, and controls interrupts at a power-on reset of a video tape recording system; a second stage which checks key input and, for auto random search (ARS) key, performs the auto random search function; a third stage which performs mode checking and, if a present mode needs to accompany the mechanism operation, controls the present mode; and a fourth stage which switches the mode and checks the sensor and an emergency state to make the system in stable condition.

REFERENCES:
patent: 4413292 (1983-11-01), Sugiyama et al.
patent: 4499509 (1985-02-01), Gohda et al.
patent: 4551774 (1985-11-01), Sakaguchi et al.
patent: 4587577 (1986-05-01), Tsunoda
patent: 4716558 (1987-12-01), Katayama et al.
patent: 4847708 (1989-07-01), Furuyama

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