Apparatus for facilitating correlation with a transparency image

Details Apparatus for facilitating correlation with a transparency image Apparatus for facilitating correlation with a transparency image

1989-03-02

1991-02-12

Haroian, Harry N.

Optics: image projectors

Composite projected image

353122, 353 37, 353 94, G03B 2100

Patent

active

049919563

ABSTRACT:
This invention provides a computerized apparatus and method which involves light projection to enable takeoffs and estimations from job plans which can be represented either in paper form or as light projections themselves. The apparatus has a light projector which is capable of projecting a cursor image coincidentally with a microfilm projection of the plans in one mode, and can be easily switched to project the cursor image onto paper plans in a second mode. A computer is connected with that light projector to control the movement of the cursor on the plans in such a manner that a user of the system can make takeoffs and estimations with the computer.

REFERENCES:
patent: 3381574 (1968-05-01), Wells
patent: 3506351 (1970-04-01), Geitz
patent: 3895866 (1975-07-01), Quervain
patent: 4564276 (1986-01-01), Hofmann et al.
patent: 4722593 (1988-02-01), Shimazaki
patent: 4770525 (1988-09-01), Umeda et al.
Brochure: "Now there's a better way for the new construction industry to make take-offs"; McGraw-Hill, Inc.
Brochure: "How to Make More and Better Contacts in New Construction Without Leaving Your Office"; McGraw-Hill, Inc. (1988).
Photocopy of brochure: "Computer Systems for Contractors"; Estimation, Inc.
Photocopy of magazine advertisement: "Introducing Sharp's Newest Computer Projection Panel"; Sharp Electronics Corporation (1988).

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