US4094598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micro display with magnifier
Assignee: Individual
•
Filing: 1977-01-21
•
Granted: 1978-06-13
•
Expires: 1997-01-21
Abstract
Abstract An apparatus for displaying a magnified image having a console with a rear lighted projection screen, the console including a light source, a specimen holder, and a lens system for displaying a magnified image of the specimen on the rear surface of the screen, the console being arranged such that the screen is mounted for easy view by the user, the improvement including a magnifying glass supported by the console in front of the screen and variable in spacing with the screen for focusing by the user, the magnifying glass being movable over at least a significant portion of the screen so that the user can obtain a magnified view of selectable portions of the screen through the magnifying glass.
Inventors
- 👤 Dewey W. Hodges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:19
CPC Classifications
G; G02; G02B; G02B25/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
224 words
An improved apparatus for displaying a magnified image comprising: a console having a rear lighted projection screen, a light source, a specimen holder, and a lens system for displaying a magnified image of the specimen on the rear surface of the projection screen, the screen being mounted for easy view of the user; a support rod slidably and rotatably extending from said console perpendicular to said screen and adjacent one edge of said screen, the length of the support rod extending from said console being slidably variable, the outer end of the support rod having threaded means; an arm having a slot at its inner end and being affixed to the outer end of said support rod by said threaded means being received in the slot, the arm extending parallel to and spaced from said screen, the length of said arm from said support rod being varible by reason of the threaded means being slidabe in the slot; and a magnifying glass pivotally supported at one edge to the outer end of said arm by a pin extending perpendicular the plane of said screen, the magnifying glass being supported parallel said console screen and movable over at least a substantial portion of said screen and variably spaced from said screen by the sliding action of said support rod to permit focusing on said screen.
Claim 2
Dependent Claim
224 words
An improved apparatus for displaying a magnified image comprising: a console having a rear lighted projection screen, a light source, a specimen holder, and a lens system for displaying a magnified image of the specimen on the rear surface of the projection screen, the screen being mounted for easy view of the user; a support rod slidably and rotatably extending from said console perpendicular to said screen and adjacent one edge of said screen, the length of the support rod extending from said console being slidably variable, the outer end of the support rod having threaded means; an arm having a slot at its inner end and being affixed to the outer end of said support rod by said threaded means being received in the slot, the arm extending parallel to and spaced from said screen, the length of said arm from said support rod being varible by reason of the threaded means being slidabe in the slot; and a magnifying glass pivotally supported at one edge to the outer end of said arm by a pin extending perpendicular the plane of said screen, the magnifying glass being supported parallel said console screen and movable over at least a substantial portion of said screen and variably spaced from said screen by the sliding action of said support rod to permit focusing on said screen.
Claim 3
Dependent Claim
39 words
Apparatus according to claim 1 wherein said threaded means attaching said slotted inner end of said arm to said rod is in the form of a thumb screw whereby said arm with said magnifying glass may be readily removed.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-06-12 | 1981-12-12 | 1982-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-12 | 1985-12-12 | 1986-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-12 | 1989-12-12 | 1990-06-13 | $7700.00 | Window Closed / Lapsed |