Patent US2454494A successfully refreshed from Google Patents.
Patent US3223974A successfully refreshed from Google Patents.
US3223974A
Expired / Lapsed
US
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Transceivers for self-controlling coded information including information storage inthe transmitters
Assignee: NORTH AMERICAN PHILLIPS COMPAN
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Filing: 1961-11-01
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Granted: 1965-12-14
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Expires: 1981-11-01
Abstract
No abstract record available.
Inventors
- 👤 Kok Hans
- 👤 Schramel Franz Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:03
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/12; H04L1/16; H04L1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
339 words
A SYSTEM FOR TRANSMITTING, THROUGH A TELECOMMUNICATION CHANNEL, SELF-CONTROLLING CODED DIGITAL INFORMATION IN THE FORM OF INFORMATION BLOCKS EACH COMPRISING A PREDETERMINED NUMBER OF CODE GROUPS, COMPRISING IN COMBINATION: A TRANSMITTING STATION INCLUDING AN INFORMATION CARRIER, A SENSING DEVICE FOR READING THE INFORMATION ON SAID CARRIER, A TRANSMISSION STORE FOR STORING THE INFORMATION, A TRANSMISSION CONTROL CIRCUIT, A FIRST DETECTOR, AN OVERTIME CIRCUIT, AND A NUMBER GENERATOR, A RECEIVING STATION INCLUDING A RECEIVING CONTROL CIRCUIT, A CONFIRMATION SIGNAL GENERATOR, A SECOND DETECTOR, A COMPARATOR, AND A NUMBER STORE, SAID TRANSMISSION CONTROL CIRCUIT BEING OPERATIVE TO START TRANSMISSION AND TO HALT TRANSMISSION AFTER A BLOCK OF INFORMATION HAS BEEN TRANSMITTED, SAID TRANSMISSION CONTROL CIRCUIT CONTROLLING SAID NUMBER GENERATOR TO PROVIDE EACH BLOCK OF INFORMATION WITH A SERVICE CODE-GROUP OCCURRING AT THE BEGINNING THEREOF, WHICH SERVICE CODEGROUP IS CHOSEN IN CYCLIC SEQUENCE FROM DETERMINED CODEGROUPS, SAID SECOND DETECTOR ACTING TO DETECT A PARTICULAR SERVICE CODE-GROUP DENOTED AN IDENTIFICATION NUMBER, SAID NUMBER STORED HAVING A NUMBER STORED THEREIN, SAID COMPARATOR COMPARING THE IDENTIFICATION NUMBER DETECTED BY THE SECOND DETECTOR AND THE NUMBER STORED IN THE NUMBER STORE AND SIGNALLING THE RESULT OF THIS COMPARISON TO THE RECEIVING CONTROL CIRCUIT WHICH INCREASES THE NUMBER STORED IN THE NUMBER STORE BY A PREDETERMINED AMOUNT IF THE COMPARATOR DETECTS EQUALITY, SAID RECEIVING CONTROL CIRCUIT ALSO CONTROLLING THE CONFIRMATION SIGNAL GENERATOR TO TRANSMIT BACK TO THE TRANSMITTING STATION CONFIRMATION SIGNALS DENOTING THE RECEPTION OF ERROR-CONTAINING INFORMATION OR OF TRUE INFORMATION, SAID FIRST DETECTOR BEING OPERATIVE TO DETECT AND DISTINGUISH SAID CONFIRMATION SIGNALS AND TO SIGNAL SAID TRANSMISSION CONTROL CIRCUIT TO START SAID OVERTIME CIRCUIT AT THE BEGINNING OR AT THE END OF TRANSMISSION OF A BLOCK OF INFORMATION, SAID OVERTIME CIRCUIT BEING SET BACK TO A STARTING POSITION BY A DISTINCTIVE CONFIRMATION SIGNAL DETECTED BY SID FIRST DETECTOR WITHIN A PREDETERMINED TIME INTERVAL, THE TRANSMISSION CONTROL CIRCUIT BEING RESPONSIVE TO A DISTINCTIVE CONFIRMATION SIGNAL TO TRANSMIT THE NEXT BLOCK OF INFORMATION OR TO RETRANSMIT FROM THE TRANSMISSION STORE A BLOCK OF INFORMATION WHICH WAS JUST TRANSMITTED.
Claim 2
Independent Claim
339 words
A SYSTEM FOR TRANSMITTING, THROUGH A TELECOMMUNICATION CHANNEL, SELF-CONTROLLING CODED DIGITAL INFORMATION IN THE FORM OF INFORMATION BLOCKS EACH COMPRISING A PREDETERMINED NUMBER OF CODE GROUPS, COMPRISING IN COMBINATION: A TRANSMITTING STATION INCLUDING AN INFORMATION CARRIER, A SENSING DEVICE FOR READING THE INFORMATION ON SAID CARRIER, A TRANSMISSION STORE FOR STORING THE INFORMATION, A TRANSMISSION CONTROL CIRCUIT, A FIRST DETECTOR, AN OVERTIME CIRCUIT, AND A NUMBER GENERATOR, A RECEIVING STATION INCLUDING A RECEIVING CONTROL CIRCUIT, A CONFIRMATION SIGNAL GENERATOR, A SECOND DETECTOR, A COMPARATOR, AND A NUMBER STORE, SAID TRANSMISSION CONTROL CIRCUIT BEING OPERATIVE TO START TRANSMISSION AND TO HALT TRANSMISSION AFTER A BLOCK OF INFORMATION HAS BEEN TRANSMITTED, SAID TRANSMISSION CONTROL CIRCUIT CONTROLLING SAID NUMBER GENERATOR TO PROVIDE EACH BLOCK OF INFORMATION WITH A SERVICE CODE-GROUP OCCURRING AT THE BEGINNING THEREOF, WHICH SERVICE CODEGROUP IS CHOSEN IN CYCLIC SEQUENCE FROM DETERMINED CODEGROUPS, SAID SECOND DETECTOR ACTING TO DETECT A PARTICULAR SERVICE CODE-GROUP DENOTED AN IDENTIFICATION NUMBER, SAID NUMBER STORED HAVING A NUMBER STORED THEREIN, SAID COMPARATOR COMPARING THE IDENTIFICATION NUMBER DETECTED BY THE SECOND DETECTOR AND THE NUMBER STORED IN THE NUMBER STORE AND SIGNALLING THE RESULT OF THIS COMPARISON TO THE RECEIVING CONTROL CIRCUIT WHICH INCREASES THE NUMBER STORED IN THE NUMBER STORE BY A PREDETERMINED AMOUNT IF THE COMPARATOR DETECTS EQUALITY, SAID RECEIVING CONTROL CIRCUIT ALSO CONTROLLING THE CONFIRMATION SIGNAL GENERATOR TO TRANSMIT BACK TO THE TRANSMITTING STATION CONFIRMATION SIGNALS DENOTING THE RECEPTION OF ERROR-CONTAINING INFORMATION OR OF TRUE INFORMATION, SAID FIRST DETECTOR BEING OPERATIVE TO DETECT AND DISTINGUISH SAID CONFIRMATION SIGNALS AND TO SIGNAL SAID TRANSMISSION CONTROL CIRCUIT TO START SAID OVERTIME CIRCUIT AT THE BEGINNING OR AT THE END OF TRANSMISSION OF A BLOCK OF INFORMATION, SAID OVERTIME CIRCUIT BEING SET BACK TO A STARTING POSITION BY A DISTINCTIVE CONFIRMATION SIGNAL DETECTED BY SID FIRST DETECTOR WITHIN A PREDETERMINED TIME INTERVAL, THE TRANSMISSION CONTROL CIRCUIT BEING RESPONSIVE TO A DISTINCTIVE CONFIRMATION SIGNAL TO TRANSMIT THE NEXT BLOCK OF INFORMATION OR TO RETRANSMIT FROM THE TRANSMISSION STORE A BLOCK OF INFORMATION WHICH WAS JUST TRANSMITTED.
References Cited (Backward Citations)
US3001017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |