US3292165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data transmission mode
Assignee: International Business Machines Corp
•
Filing: 1963-06-28
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Granted: 1966-12-13
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 Frederick L Post
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:54
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; G11C11/06078; H; H04; H04L; H04L13/00; H04L13/02; H04L13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
DATA TRANSMISSION MECHANISM COMPRISING: (A) DATA PRESENTATION MEANS FOR PRESENTING A FIRST GROUP PATTERN OF BIT SIGNALS; (B) ARRAY MEANS, INTERCONNECTED WITH SAID DATA PRESENTATION MEANS, FOR TRANSMITING ANY GIVEN GROUP PATTERN OF BIT SIGNALS DIRECTLY ON A BIT BY BIT BASIS WITHOUT CHANGE OF SIGNAL, SUBJECT HOWEVER TO THE EXISTENCE OF COMMON MODE NOISE, SAID ARRAY MEANS INCLUDING AUXILIARY MEANS HAVING SIGNIFICANCE AS AN AUXILIARY SIGNAL, TO BE USED FOR CANCELLATION; (C) ARRAY OUTPUT MEANS CONNECTED TO SAID ARRAY MEANS HAVING AN INHERENT CODING FUCNTION WHEN CONNECTED TO SAID ARRAY TO RECEIVE SIGNALS AND PROVIDE SENSE OUTPUTS BUT PROVIDED CANCELLATION OF NOISE; AND (D) DATA CODING MEANS, INTERCONNECTED WITH SAID DATA PRESENTATION MEANS, ARRANGED TO CODE EACH PATTERN OF BIT SIGNALS DURING TRANSMISSION COMPLEMENTARY IN EFFECT TO THE CODING FUNCTION OF SAID OUTPUT MEANS; (E) WHEREBY EACH PATTERN OF BIT SIGNALS UNDERGOES A CHANGE FROM THE FIRST GROUP PATTERN TO A CODED SECOND GROUP PATTERN AND BACK TO SAID FIRST GROUP PATTERN DURING TRANSMISSION.
Claim 2
Dependent Claim
165 words
DATA TRANSMISSION MECHANISM COMPRISING: (A) DATA PRESENTATION MEANS FOR PRESENTING A FIRST GROUP PATTERN OF BIT SIGNALS; (B) ARRAY MEANS, INTERCONNECTED WITH SAID DATA PRESENTATION MEANS, FOR TRANSMITING ANY GIVEN GROUP PATTERN OF BIT SIGNALS DIRECTLY ON A BIT BY BIT BASIS WITHOUT CHANGE OF SIGNAL, SUBJECT HOWEVER TO THE EXISTENCE OF COMMON MODE NOISE, SAID ARRAY MEANS INCLUDING AUXILIARY MEANS HAVING SIGNIFICANCE AS AN AUXILIARY SIGNAL, TO BE USED FOR CANCELLATION; (C) ARRAY OUTPUT MEANS CONNECTED TO SAID ARRAY MEANS HAVING AN INHERENT CODING FUCNTION WHEN CONNECTED TO SAID ARRAY TO RECEIVE SIGNALS AND PROVIDE SENSE OUTPUTS BUT PROVIDED CANCELLATION OF NOISE; AND (D) DATA CODING MEANS, INTERCONNECTED WITH SAID DATA PRESENTATION MEANS, ARRANGED TO CODE EACH PATTERN OF BIT SIGNALS DURING TRANSMISSION COMPLEMENTARY IN EFFECT TO THE CODING FUNCTION OF SAID OUTPUT MEANS; (E) WHEREBY EACH PATTERN OF BIT SIGNALS UNDERGOES A CHANGE FROM THE FIRST GROUP PATTERN TO A CODED SECOND GROUP PATTERN AND BACK TO SAID FIRST GROUP PATTERN DURING TRANSMISSION.
References Cited (Backward Citations)
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US2911631A
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US3112470A
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US3193809A
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US3191163A
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US3208054A
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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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |