Pattern reading apparatus having variable reading period

Details Pattern reading apparatus having variable reading period Pattern reading apparatus having variable reading period

1991-06-24

1992-02-25

Herndon, Heather R.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340407, 34082519, 434114, G06F 305, G09B 2100

Patent

active

050918656

ABSTRACT:
A pattern reading apparatus includes a conversion device for reading optical pattern information and converting it into electrical signals. A display device is provided for displaying pattern information by vibration of plural vibrating pins, the displayed pattern information corresponding to the pattern information read by the conversion device. A reading period determining device is provided for variably setting the reading period of the pattern information read by the conversion device, and a control circuit causes the electrical signals output from the conversion device to be displayed by the display device according to the reading period set by the reading period determining device.

REFERENCES:
patent: 3250023 (1966-05-01), Benson
patent: 3594787 (1971-07-01), Ickes
patent: 3628193 (1971-12-01), Collins
patent: 4644339 (1987-02-01), Ruder
patent: 4881900 (1989-11-01), Matsuoka et al.
Visual Handicap and the Challenge of Information Technology in Employment, C. Mattison, Microprocessors and Microsystems, Butterworth & Co., vol. 8, No. 10, Dec. 1984, pp. 520-523.
A Tactile Vision-Substitution System for the Blind: Computer-Controlled Partial Image Sequencing, K. Kaczmarek, IEEE Transactions on Biomedical Engineering, IEEE, New York, BME-32, No. 8, Aug. 1985, pp. 602-608.

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