Patent US5560373A successfully refreshed from Google Patents.
Patent US3359372A successfully refreshed from Google Patents.
US3359372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
De burro
Assignee: —
•
Filing: —
•
Granted: 1967-12-19
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Expires: 1984-12-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:44
CPC Classifications
H; H04; H04L; H04L9/00; H04L9/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
IN A MULTICHANNEL PULSE CODE MODULATION COMMUNICATION SYSTEM, A TRANSMITTER FOR CONVERTING MESSAGE SAMPLES FROM A PLURALITY OF INCOMING MESSAGE CHANNELS INTO FRAMES OF SUCCESSIVE BINARY CODE GROUPS, EACH OF SAID CODE GROUPS HAVING A PREDETERMINED NUMBER OF MESSAGE DIGIT SPACES EACH AND EACH OF SAID FRAMES CONTAINING ONE CODE GROUP FROM EACH OF SAID CHANNELS, MEANS FOR ADDING A FRAMING DIGIT SPACE TO EACH FRAME EXCLUSIVE OF SAID MESSAGE DIGIT SPACES, MEANS FOR TRANSMITTING ALTERNATE BINARY "1" AND BINARY "0" IN SUCCESSIVE FRAMING DIGIT SPACES, AND SIGNALING MEANS FOR TRANSMITTING UP TO FOUR NON-MESSAGE SIGNALING CONDITIONS PER CHANNEL WITHOUT INTERFERRING WITH EITHER MESSAGE TRANSMISSION OR FRAMING WHICH COMPRISES MEANS FOR ADDING A SIGNALING DIGIT SPACE TO EACH CODE GROUP EXCLUSIVE OF SAID MESSAGE DIGIT SPACES, MEANS FOR FORCING TWO DIGITS IN THE SIGNALING DIGIT SPACES FOR EACH OF SAID CHANNELS IN EACH FOUR SUCCESSIVE FRAMES TO PREVENT APPEARANCE OF THE ALTERNATE BINARY "1" AND BINARY "0" FRAMING PATTERN IN SAID SIGNALING DIGITSPACES, AND MEANS FOR TRANSMITTING COMBINATIONS OF BINARY "1" AND BINARY "0" IN THE REMAINING TWO SIGNALING DIGIT SPACES FOR EACH OF SAID CHANNELS IN SAID FOUR SUCCESSIVE FRAMES TO TRANSMIT SAID NON-MESSAGE SIGNALING CONDITIONS.
Claim 2
Dependent Claim
197 words
IN A MULTICHANNEL PULSE CODE MODULATION COMMUNICATION SYSTEM, A TRANSMITTER FOR CONVERTING MESSAGE SAMPLES FROM A PLURALITY OF INCOMING MESSAGE CHANNELS INTO FRAMES OF SUCCESSIVE BINARY CODE GROUPS, EACH OF SAID CODE GROUPS HAVING A PREDETERMINED NUMBER OF MESSAGE DIGIT SPACES EACH AND EACH OF SAID FRAMES CONTAINING ONE CODE GROUP FROM EACH OF SAID CHANNELS, MEANS FOR ADDING A FRAMING DIGIT SPACE TO EACH FRAME EXCLUSIVE OF SAID MESSAGE DIGIT SPACES, MEANS FOR TRANSMITTING ALTERNATE BINARY "1" AND BINARY "0" IN SUCCESSIVE FRAMING DIGIT SPACES, AND SIGNALING MEANS FOR TRANSMITTING UP TO FOUR NON-MESSAGE SIGNALING CONDITIONS PER CHANNEL WITHOUT INTERFERRING WITH EITHER MESSAGE TRANSMISSION OR FRAMING WHICH COMPRISES MEANS FOR ADDING A SIGNALING DIGIT SPACE TO EACH CODE GROUP EXCLUSIVE OF SAID MESSAGE DIGIT SPACES, MEANS FOR FORCING TWO DIGITS IN THE SIGNALING DIGIT SPACES FOR EACH OF SAID CHANNELS IN EACH FOUR SUCCESSIVE FRAMES TO PREVENT APPEARANCE OF THE ALTERNATE BINARY "1" AND BINARY "0" FRAMING PATTERN IN SAID SIGNALING DIGITSPACES, AND MEANS FOR TRANSMITTING COMBINATIONS OF BINARY "1" AND BINARY "0" IN THE REMAINING TWO SIGNALING DIGIT SPACES FOR EACH OF SAID CHANNELS IN SAID FOUR SUCCESSIVE FRAMES TO TRANSMIT SAID NON-MESSAGE SIGNALING CONDITIONS.
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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |