US3303469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for reading characters
Assignee: Olivetti SpA
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Filing: 1965-11-12
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Granted: 1967-02-07
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Expires: 1985-11-12
Abstract
No abstract record available.
Inventors
- 👤 Perotto Pier Giorgio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:39
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/22; G06V30/224; G06V30/2247
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
APPARATUS FOR READING PRINTED CHARACTERS EACH ONE REPRESENTED BY A GROUP OF N+1 MARKS, COMPRISING: (A) A SCANNING HEAD FOR PRODUCING A SERIES OF N+1 READING PULSES RESPONSIVE TO SAID MARKS, THE INTERVAL BETWEEN EACH PAIR OF CONTIGUOUS READING PULSES HAVING EITHER A LONG OR A SHORT DURATION, (B) MEANS FOR CONVERTING SAID SERIES OF READING PULSES INTO A SERIES OF SIGNIFICANT PULSES EACH ONE CORRESPONDING TO ONE OF SAID INTERVALS AND HAVING A CORRESPONDING DURATION, (C) MEANS FOR INDIVIDUALLY INTEGRATING SAID SIGNIFICANT PULSES TO PRODUCE A CORRESPONDING SERIES OF SAW-TOOTH AMPLITUDE MODULATED PULSES, (D) AN AMPLITUDE DISCRIMINATOR FOR CONVERTING SAID SERIES OF AMPLITUDE MODULATED PULSES INTO A SERIES OF BINARY DIGITS, (E) A STORAGE REGISTER, AND (F) SYNCHRONIZING MEANS RESPONSIVE TO SAID SIGNIFICANT PULSES FOR TRANSFERRING SAID BINARY DIGITS TO SAID STORAGE REGISTER.
Claim 2
Dependent Claim
134 words
APPARATUS FOR READING PRINTED CHARACTERS EACH ONE REPRESENTED BY A GROUP OF N+1 MARKS, COMPRISING: (A) A SCANNING HEAD FOR PRODUCING A SERIES OF N+1 READING PULSES RESPONSIVE TO SAID MARKS, THE INTERVAL BETWEEN EACH PAIR OF CONTIGUOUS READING PULSES HAVING EITHER A LONG OR A SHORT DURATION, (B) MEANS FOR CONVERTING SAID SERIES OF READING PULSES INTO A SERIES OF SIGNIFICANT PULSES EACH ONE CORRESPONDING TO ONE OF SAID INTERVALS AND HAVING A CORRESPONDING DURATION, (C) MEANS FOR INDIVIDUALLY INTEGRATING SAID SIGNIFICANT PULSES TO PRODUCE A CORRESPONDING SERIES OF SAW-TOOTH AMPLITUDE MODULATED PULSES, (D) AN AMPLITUDE DISCRIMINATOR FOR CONVERTING SAID SERIES OF AMPLITUDE MODULATED PULSES INTO A SERIES OF BINARY DIGITS, (E) A STORAGE REGISTER, AND (F) SYNCHRONIZING MEANS RESPONSIVE TO SAID SIGNIFICANT PULSES FOR TRANSFERRING SAID BINARY DIGITS TO SAID STORAGE REGISTER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |