Information recording/reproducing apparatus for use in an optica

Details Information recording/reproducing apparatus for use in an optica Information recording/reproducing apparatus for use in an optica

1992-05-08

1994-08-09

Hajec, Donald

Registers

Coded record sensors

Particular sensor structure

235435, 235474, 369 59, G06K 710, G06K 714, G06K 700, H04N 576

Patent

active

053368720

ABSTRACT:
An optical information recording/reproducing apparatus for use in an optical card, in which a moving speed of the optical card is detected on the basis of an information signal read out from the optical card and in which the information signal is corrected with the aid of the thus detected moving speed. Therefore, the data recorded on the optical card can be read out in a stable manner even when the optical card is transferred with a variation of its moving speed; and such apparatus can be manufactured at a low cost.

REFERENCES:
patent: 4705939 (1987-11-01), Ulinski et al.
patent: 4734565 (1988-03-01), Pierce et al.
patent: 4797872 (1989-01-01), Rokutan
patent: 5010534 (1991-04-01), Enari et al.
Patent Abstracts of Japan vol. 14, No. 529 (P-1133) Nov. 22, 1990 & JP-A-2 233 074 (Omron Tateisi Electron Co.) Sep. 5, 1990.
Patent Abstracts of Japan vol. 14, No. 4 (P-986) Jan. 9, 1990 & JP-A-1 256 069 (Olympus Optical Co., Ltd.) Oct. 12, 1989.

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