System for recording digital information in a pulse-length modul

Details System for recording digital information in a pulse-length modul System for recording digital information in a pulse-length modul

1995-06-07

1997-01-07

Epps, Georgia Y.

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

386128, H04N 576, H04N 578

Patent

active

055924573

ABSTRACT:
An improved system for recording and playing back digital information in a special pulse-length modulation format on a disc-shaped record. The digital information is stored in a succession of alternating marks and spaces, both having lengths that are discretely variable in accordance with a succession of multi-bit binary code blocks.

REFERENCES:
patent: 3795902 (1974-03-01), Russell
Patel, A. M.; Charge-Constrained Byte-Oriented (0,3) Code; IBM Technical Disclosure Bulletin; vol. 19, No. 7, Dec. 1976, pp. 2715-2717.

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