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US3292165A Expired / Lapsed US ⏱️ 0.0 years remaining

Data transmission mode

Assignee: International Business Machines Corp
•
Filing: 1963-06-28
•
Granted: 1966-12-13
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Expires: 1983-06-28
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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)

US3003139A Cited
US2911631A Cited
US3112470A Cited
US3193809A Cited
US3191163A Cited
US3208054A Cited

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

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