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US3267437A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for operating an input-device recording tape asynchronously with a synchronous digital computer system

Assignee: Individual
•
Filing: 1962-08-29
•
Granted: 1966-08-16
•
Expires: 1982-08-29
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Abstract

No abstract record available.

Inventors

  • 👤 Robert H Harwood

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:15
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/06; G06F3/0601; G06F3/0668; G06F3/0671; G06F3/0673; G06F3/0682

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 163 words
A SYSTEM FOR TRANSFERRING ASYNCHRONOUS DIGITAL DATA TO A SYNCHRONOUS DATE EQUIPMENT COMPRISING; A FIRST SHIFT REGISTER HAVING PARALLEL INPUT FOR RECEIVING GROUPS OF SAID ASYNCHRONOUS DIGITAL DATA; A SOURCE OF TIMING PULSE, AND PULSE BEING CONNECTED TO ACTUATE SAID FIRST SHIFT REGISTER TO PRODUCE SERIAL OUTPUT DATA COMMENSURATE WITH SAID GROUPS OF ASYNCHRONOUS DIGITAL DATA; A RECORDING MEANS ADATPED TO RECEIVE AND SEPARATELY RECORD SAID SERIES OUTPUT DATA AND SAID TIMING PULSES; MEANS FOR REPRODUCING SERIAL DATA AND TIMING SIGNALS IN RESPONSE TO SAID RECORDED SERIAL OUTPUT DATA AND TIMING PULSES; AND A SECOND SHIFT REGISTER CONNECTED TO RECEIVE SAID REPORDUCED SERIAL DATA SIGNALS AND ADAPTED TO RESPOND TO SAID TIMING PULSE SIGNALS FOR ARRANGING SAID SIGNAL DATA IN PARALLEL GROUPS, SAID SECOND SHIFT REGISTER BEING RESPONSIVE TO THE COINCIDENCE OF SAID PARALLEL GROUP OF DIGITAL DATA SIGNALS WITH SYNCHRONOUS SIGNALS DERIVED FROM SAID SYNCHRONOUS DATA EQUIPMENT FOR CAUSING SAID GROUPS OF DIGITAL DATA SIGNALS TO BE SYNCHRONOUSLY TRANSFERRED INTO SAID EQUIPMENT.
Claim 2
Independent Claim 163 words
A SYSTEM FOR TRANSFERRING ASYNCHRONOUS DIGITAL DATA TO A SYNCHRONOUS DATE EQUIPMENT COMPRISING; A FIRST SHIFT REGISTER HAVING PARALLEL INPUT FOR RECEIVING GROUPS OF SAID ASYNCHRONOUS DIGITAL DATA; A SOURCE OF TIMING PULSE, AND PULSE BEING CONNECTED TO ACTUATE SAID FIRST SHIFT REGISTER TO PRODUCE SERIAL OUTPUT DATA COMMENSURATE WITH SAID GROUPS OF ASYNCHRONOUS DIGITAL DATA; A RECORDING MEANS ADATPED TO RECEIVE AND SEPARATELY RECORD SAID SERIES OUTPUT DATA AND SAID TIMING PULSES; MEANS FOR REPRODUCING SERIAL DATA AND TIMING SIGNALS IN RESPONSE TO SAID RECORDED SERIAL OUTPUT DATA AND TIMING PULSES; AND A SECOND SHIFT REGISTER CONNECTED TO RECEIVE SAID REPORDUCED SERIAL DATA SIGNALS AND ADAPTED TO RESPOND TO SAID TIMING PULSE SIGNALS FOR ARRANGING SAID SIGNAL DATA IN PARALLEL GROUPS, SAID SECOND SHIFT REGISTER BEING RESPONSIVE TO THE COINCIDENCE OF SAID PARALLEL GROUP OF DIGITAL DATA SIGNALS WITH SYNCHRONOUS SIGNALS DERIVED FROM SAID SYNCHRONOUS DATA EQUIPMENT FOR CAUSING SAID GROUPS OF DIGITAL DATA SIGNALS TO BE SYNCHRONOUSLY TRANSFERRED INTO SAID EQUIPMENT.

References Cited (Backward Citations)

US3025503A Cited
US3123810A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-15 1970-02-14 1970-08-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-15 1974-02-14 1974-08-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-15 1978-02-14 1978-08-16 $7700.00 Window Closed / Lapsed

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