Title: Alphanumeric display means for computer-linked typewriter consoles

Abstract: The present invention relates to an alphanumeric display unit means for improving the identification quantities at selected key buttons of a computer-linked typewriter console through usage of light-emitting identification indicia attached adjacent to or at the selected key buttons. Each light-emitting display is in matrix format consisting of a set of fiber optic members arranged in orthogonal rows and columns. Encoding is via stencil tab means inserted in the path of light generated by incandescent bulb means in operational alignment with each set of fiber optic members.

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Inventors: Mueller, Thomas Delbert (Orinda, CA, US)

Application Number: 413115
Filing Date: 1973-11-05
Publication_date: 1976-01-20
Assignee: Chevron Research Company (San Francisco, CA)
Primary Class(es): 345/170 341/22, 385/88, 385/115, 385/147
Other Classes:
US Patent Ref:

3187321	Jun, 1965	Kameny	340/365.
3644922	Feb, 1972	James et al.	340/380.
3670322	Jun, 1972	Mallebrein	340/365.
3737898	Jun, 1973	Cros, Jr.	340/380.
3789521	Feb, 1974	Way et al.	340/380.

Other Refs:
Primary Examiner: Curtis, Marshall M.
Assistant Examiner:
Attorney: Freeland, Jr.; R. L., Messner; H. D.