US3237516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical apparatus for use in the reproduction of images
Assignee: Plastic Coating Corp
•
Filing: 1964-12-23
•
Granted: 1966-03-01
•
Expires: 1984-12-23
Abstract
No abstract record available.
Inventors
- 👤 Walter V Shearer
- 👤 Jr William R Beck
- 👤 Sr Arnold M Wheelock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:33
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/65; G03G15/6529; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/522; G03B27/523; G03G15/02; G03G15/04; G03G15/043; G03G15/06; G03G15/08; G03G15/09; G03G15/22; G03G15/26; G03G15/6502
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
356 words
IN APPARATUS FOR REPRODUCTION OF ORIGINAL COPY, THE COMBINATION OF: A MEANS FOR RETAINING THE ORIGINAL TO COPIED IN A HORIZONTAL PLANE; A LENS SYSTEM HAVING ITS OPTICAL AXIS POSITIONED VERTICALLY WHICH INCLUDES A LENS, A DIAPHRAGM, A SHUTTER AND A SOLENOID FOR OPENING AND CLOSING IN SAID SHUTTER; A MIRROR LOCATED BELOW THE SAID LENS SYSTEM WITH ITS REFLECTING SURFACE AT AN ANGLE OF FORTY-FIVE DEGREES TO THE OPTICAL AXIS OF THE LENS SYSTEM IN A POSITION TO REFLECT AN OPTICAL IMAGE TRANSMITTED BY THE SAID LENS TO A VERTICAL OPTICAL IMAGE PLANE; A LIGHT SOURCE ADJACENT THE HORIZONTAL PLANE IN WHICH THE SAID COPY-RETAINING MEANS HOLDS AN ORIGINAL COPY, THE SAID LIGHT SOURCE BEING LOCATED TO PRODUCE AN OPTICAL IMAGE OF THE ORIGINAL COPY WHICH IS TRANSMITTED BY THE LENS OF THE MIRROR WHICH REFLECTS IT TO THE VERTICAL OPTICAL IMAGE PLANE; THE SAID LENS BEING LOCATED BETWEEN THE HORIZONTAL PLANE OF THE ORIGINAL COPY AND THE MIRROR IN A POSITION WITH RESPECT TO ITS OPTICAL CHARACTERISTICS TO PERMIT IT TO TRANSMIT A CLEAR OPTICAL IMAGE OF SAID ORIGINAL COPY IN THE SAID HROIZONTAL PLANE TO THE SAID MIRROR; INTENSITY CONTROL MEANS CONNECTED TO SAID LIGHT SOURCE WHICH KEEPS IT OPERATING CONSTANTLY AT LEAST AT A LOW LEVEL AND, UPON ACTIVATION, INCREASES THE INTENSITY OF SAID LIGHT SOURCE TO A DESIRED, PRESET, HIGHER LEVEL OF ILLUMINATION; AN ELECTRIC TIMER WHICH IS ELECTRICALLY CONNECTED TO THE SHUTTER SOLENOID, TO THE INTENSITY CONTROL MEANS CONNECTED TO THE LIGHT SOURCE, AND TO AN ELECTRICAL CONTROL SYSTEM WHICH, UPON RECEIVING AN ELECTRIC PULSE FROM THE SAID CONTROL SYSTEM, SIMYLTANEOUSLY CAUSES THE SOLENOID TO OPEN THE SHUTTER AND ACTIVATES THE INTENSITY CONTROL MEANS CONNECTED TO THE LIGHT SOURCE TO INCREASE THE INTENSITY OF SAID LIGHT SOURCE TO THE DESIRED, PRESET, HIGHER LEVEL OF ILLUMINATION AND AFTER A PRESET PERIOD OF TIME SIMULTANEOUSLY CAUSES THE SOLENOID TO CLOSE THE SHUTTER AND CAUSES THE INTENSITY CONTROL MEANS CONNECTED TO THE LIGHT SOURCE TO REDUCE THE INTENSITY OF SAID LIGHT SOURCE TO ITS ORIGINAL LOW LEVEL; AND AN ELECTRICAL CONTROL SYSTEM FOR THE ACTIVATION OF THE SAID TIMER BY AN ELECTRIC PULSE.
Claim 2
Dependent Claim
356 words
IN APPARATUS FOR REPRODUCTION OF ORIGINAL COPY, THE COMBINATION OF: A MEANS FOR RETAINING THE ORIGINAL TO COPIED IN A HORIZONTAL PLANE; A LENS SYSTEM HAVING ITS OPTICAL AXIS POSITIONED VERTICALLY WHICH INCLUDES A LENS, A DIAPHRAGM, A SHUTTER AND A SOLENOID FOR OPENING AND CLOSING IN SAID SHUTTER; A MIRROR LOCATED BELOW THE SAID LENS SYSTEM WITH ITS REFLECTING SURFACE AT AN ANGLE OF FORTY-FIVE DEGREES TO THE OPTICAL AXIS OF THE LENS SYSTEM IN A POSITION TO REFLECT AN OPTICAL IMAGE TRANSMITTED BY THE SAID LENS TO A VERTICAL OPTICAL IMAGE PLANE; A LIGHT SOURCE ADJACENT THE HORIZONTAL PLANE IN WHICH THE SAID COPY-RETAINING MEANS HOLDS AN ORIGINAL COPY, THE SAID LIGHT SOURCE BEING LOCATED TO PRODUCE AN OPTICAL IMAGE OF THE ORIGINAL COPY WHICH IS TRANSMITTED BY THE LENS OF THE MIRROR WHICH REFLECTS IT TO THE VERTICAL OPTICAL IMAGE PLANE; THE SAID LENS BEING LOCATED BETWEEN THE HORIZONTAL PLANE OF THE ORIGINAL COPY AND THE MIRROR IN A POSITION WITH RESPECT TO ITS OPTICAL CHARACTERISTICS TO PERMIT IT TO TRANSMIT A CLEAR OPTICAL IMAGE OF SAID ORIGINAL COPY IN THE SAID HROIZONTAL PLANE TO THE SAID MIRROR; INTENSITY CONTROL MEANS CONNECTED TO SAID LIGHT SOURCE WHICH KEEPS IT OPERATING CONSTANTLY AT LEAST AT A LOW LEVEL AND, UPON ACTIVATION, INCREASES THE INTENSITY OF SAID LIGHT SOURCE TO A DESIRED, PRESET, HIGHER LEVEL OF ILLUMINATION; AN ELECTRIC TIMER WHICH IS ELECTRICALLY CONNECTED TO THE SHUTTER SOLENOID, TO THE INTENSITY CONTROL MEANS CONNECTED TO THE LIGHT SOURCE, AND TO AN ELECTRICAL CONTROL SYSTEM WHICH, UPON RECEIVING AN ELECTRIC PULSE FROM THE SAID CONTROL SYSTEM, SIMYLTANEOUSLY CAUSES THE SOLENOID TO OPEN THE SHUTTER AND ACTIVATES THE INTENSITY CONTROL MEANS CONNECTED TO THE LIGHT SOURCE TO INCREASE THE INTENSITY OF SAID LIGHT SOURCE TO THE DESIRED, PRESET, HIGHER LEVEL OF ILLUMINATION AND AFTER A PRESET PERIOD OF TIME SIMULTANEOUSLY CAUSES THE SOLENOID TO CLOSE THE SHUTTER AND CAUSES THE INTENSITY CONTROL MEANS CONNECTED TO THE LIGHT SOURCE TO REDUCE THE INTENSITY OF SAID LIGHT SOURCE TO ITS ORIGINAL LOW LEVEL; AND AN ELECTRICAL CONTROL SYSTEM FOR THE ACTIVATION OF THE SAID TIMER BY AN ELECTRIC PULSE.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |