Digital measuring device

Details Digital measuring device Digital measuring device

1983-06-16

1984-11-20

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33137R, 33143R, 33174D, 33179, 116202, 116DIG26, G01B 1104, G01B 1108

Patent

active

044830777

ABSTRACT:
A digital measuring device having a relatively rigid slide and a flexible, substantially transparent band with opaque indicia placed thereon, the band being capable of being pulled centrally through an opening in the slide. The slide houses a plurality of optic fibers with one end of each fiber terminating at a light-receiving panel and the other end of each fiber terminating at a digital read-out panel. The ends of the fibers at the digital read-out panel are arranged to form, e.g., a generic "88" configuration, from which the digits 0-99 may be formed. In operation, the band is pulled through the opening in the slide and light passes through the transparent areas of the band and into the light receiving panel. The light continues through the optic fibers and lights up a particular digital configuration at the digital read-out panel. The slide and band may be useful e.g., as a belt-like device for measuring one's waist, or as a carpenter's tape measure.

REFERENCES:
patent: 3648276 (1972-03-01), Schuman
patent: 3806875 (1974-04-01), Georget
patent: 3820096 (1974-06-01), Himmelsbach et al.
patent: 3836911 (1974-09-01), Gibson et al.
patent: 3953800 (1976-04-01), Nakamura et al.
patent: 4143267 (1979-03-01), Johnson et al.
patent: 4214391 (1980-07-01), Angst

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