Patent US3241648A successfully refreshed from Google Patents.
US3241648A
Expired / Lapsed
US
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Device for producing code characters, for use with typewriters and similar characterprinting apparatus
Assignee: Atvidabergs Industrier AB
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Filing: 1964-06-09
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Granted: 1966-03-22
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Expires: 1984-06-09
Abstract
No abstract record available.
Inventors
- 👤 Stenudd Sven Gunnar Valter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:55
CPC Classifications
B; B41; B41J; B41J3/00; B41J3/44; B41J3/50; B41J3/51
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A DEVICE FOR PRODUCING CODED CHARACTERS IN TYPEWRITERS AND THE LIKE, COMPRISING AT LEAST ONE MOVABLE MASK HAVING LIGHT PERMEABLE OPENINGS CORRESPONDING TO A CODED CHARACTER, A LIGHT SOURCE, A PLURALITY OF PHOTOCELLS FOR READING THE CODE REPRESENTED BY THE OPENINGS OF SAID MASK WHEN IT IS INTERPOSED BETWEEN SAID LIGHT SOURCE AND PHOTOCELLS, SAID OPENINGS HAVE CLOSED CONTROURS AND PERMITTING ALL OF SAID PHOTOCELLS TO BE ILLUMINATED WHEN SAID MASK IS IN A FIRST POSITION, THE ILLUMINATION OF AT LEAST ONE PHOTOCELL BEING TEMPORARILY INTERCEPTED BY THE MASK DURING MOVEMENT OF SAID MASK FROM SAID FIRST POSITION TO SAID INTERPOSED POSITION, MEANS UTILIZING THE OUTPUT OF SAID ONE PHOTOCELL WHEN SAID MASK IS IN THE INTERPOSED POSITION FOR INITIATING READ-OUT OF SAID CODE, STORAGE MEANS, AND GATE MEANS CONNECTED BETWEEN SAID PHOTOCELLS AND SAID STORAGE MEANS, SAID UTILIZING MEANS ENABLING SAID GATING MEANS TO PASS SIGNALS FROM SAID PHOTOCELLS TO SAID STORAGE MEANS ONLY WHEN SAID OPENINGS ARE POSITIONED IN A PREDETERMINED MANNER WITH RESPECT TO SAID PHOTOCELLS.
Claim 2
Independent Claim
169 words
A DEVICE FOR PRODUCING CODED CHARACTERS IN TYPEWRITERS AND THE LIKE, COMPRISING AT LEAST ONE MOVABLE MASK HAVING LIGHT PERMEABLE OPENINGS CORRESPONDING TO A CODED CHARACTER, A LIGHT SOURCE, A PLURALITY OF PHOTOCELLS FOR READING THE CODE REPRESENTED BY THE OPENINGS OF SAID MASK WHEN IT IS INTERPOSED BETWEEN SAID LIGHT SOURCE AND PHOTOCELLS, SAID OPENINGS HAVE CLOSED CONTROURS AND PERMITTING ALL OF SAID PHOTOCELLS TO BE ILLUMINATED WHEN SAID MASK IS IN A FIRST POSITION, THE ILLUMINATION OF AT LEAST ONE PHOTOCELL BEING TEMPORARILY INTERCEPTED BY THE MASK DURING MOVEMENT OF SAID MASK FROM SAID FIRST POSITION TO SAID INTERPOSED POSITION, MEANS UTILIZING THE OUTPUT OF SAID ONE PHOTOCELL WHEN SAID MASK IS IN THE INTERPOSED POSITION FOR INITIATING READ-OUT OF SAID CODE, STORAGE MEANS, AND GATE MEANS CONNECTED BETWEEN SAID PHOTOCELLS AND SAID STORAGE MEANS, SAID UTILIZING MEANS ENABLING SAID GATING MEANS TO PASS SIGNALS FROM SAID PHOTOCELLS TO SAID STORAGE MEANS ONLY WHEN SAID OPENINGS ARE POSITIONED IN A PREDETERMINED MANNER WITH RESPECT TO SAID PHOTOCELLS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |