Slide projector with ergonomic slide selection and access

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

353 21, 353 96, 353120, 353108, 353103, 353DIG5, G03B 2112, G03B 2164

Patent

active

049616412

ABSTRACT:
A slide projector has a light table oriented at 60.degree. to a generally horizontal base and connected thereto by a detachable connector. The light table has a tray mounted thereon for movement into mutually orthogonal directions parallel to the plane of the light table and supported by a counterweight, the tray receiving a planar slide holder whose slides and windows are alignable with a window in the light table. A projection lamp is located at the front side of the window while the projection optics are located at the rear side of the window.

REFERENCES:
patent: 2250174 (1941-07-01), Bancroft
patent: 2431662 (1947-11-01), Ralph
patent: 2534561 (1950-12-01), Silver
patent: 2811192 (1951-11-01), Holloway
patent: 3457007 (1969-07-01), Conroy
patent: 3466126 (1969-09-01), Sakamoto
patent: 3606528 (1971-09-01), Costanza
patent: 3759487 (1973-09-01), Badalich
patent: 3792923 (1974-02-01), Pfeifer et al.
patent: 3807850 (1974-04-01), Ozeki
patent: 3871759 (1975-03-01), Crew
patent: 3973344 (1976-08-01), Frankel
patent: 4027957 (1977-06-01), Shaw
patent: 4120574 (1978-10-01), Hofmann et al.
patent: 4133605 (1979-01-01), Wiggin
patent: 4184754 (1980-01-01), Ozeki
patent: 4353646 (1982-10-01), Bartel et al.
patent: 4374611 (1983-02-01), Hines
patent: 4770524 (1988-09-01), Staufield

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Slide projector with ergonomic slide selection and access does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Slide projector with ergonomic slide selection and access, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Slide projector with ergonomic slide selection and access will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-970088

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.