US3344231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Encoding and variable scan rate to provide
Assignee: —
•
Filing: —
•
Granted: 1967-09-26
•
Expires: 1984-09-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:00
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/41; H04N1/411; H04N1/413; H04N1/419
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
IN A FACSIMILE SYSTEM INCLUDING A DIGITAL TRANSMITTER, THE COMBINATION COMPRISING: A SCANNER CAPABLE OF EMITTING BINARY DATA CORRESPONDING TO SCANSIONS OF A DOCUMENT; A CODER RESPONSIVE TO THE OUTPUT FROM SAID SCANNER AND CAPABLE OF EMITTING CODES CORRESPONDING TO SCANSIONS OR PORTIONS THEREOF; A BUFFER REGISTER FOR STORING A PLURALITY OF CODES FROM SAID CODER; MEANS TO CONNECT SAID BUFFER REGISTER TO THE DIGITAL TRANSMITTER; AND A FEEDBACK PATH CONNECTING SAID BUFFER AND SAID SCANNER AND INCLUDING MEANS RESPONSIVE TO A PARTICULAR EXTENT OF FILL OF SAID BUFFER TO CONTROL SAID SCANNER.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |