Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1983-04-07
1985-10-29
McElheny, Jr., Donald
Facsimile and static presentation processing
Facsimile
Recording apparatus
358342, 369 50, 369111, H04N 576
Patent
active
045503478
ABSTRACT:
In order to eliminate crosstalk and to provide a high recording density, a method for recording information on a recording disc includes a first step for forming a first portion of recording tracks in which the information signal is recorded on the recording disc under a condition that the angular velocity of rotation of the disc is constant and a space between each track has a first constant value. A second step in values forming a second portion of recording tracks in which the information signal is recorded on the recording disc under a condition that the angular velocity of rotation of the recording disc is varying and the space between each track has a second constant value that is greater than the first constant value. The first and the second portions of the recording tracks are formed alternately.
REFERENCES:
patent: 3829610 (1974-08-01), Meeussen et al.
patent: 4190860 (1980-02-01), Somers et al.
patent: 4223349 (1980-09-01), Dakin et al.
patent: 4228326 (1980-10-01), Dakin et al.
patent: 4514771 (1985-04-01), Stark et al.
Herald et al., "Zone Recording Flexible Diskette Drive Via Microprocessor Control", IBM Tech. Disc. Bul., vol. 23, No. 11, Apr. 1981, pp. 5068-5069.
McElheny Jr. Donald
Pioneer Video Corporation
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