US3389381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Communication system
Assignee: Borg Warner Corp
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Filing: 1966-01-18
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Granted: 1968-06-18
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Expires: 1986-01-18
Abstract
No abstract record available.
Inventors
- 👤 William P Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:07
CPC Classifications
H; H04; H04L; H04L7/00; H04L25/00; H04L25/38; H04L25/40; H04L25/45; Y; Y10; Y10S; Y10S707/00; Y10S707/99931; Y10S707/99933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A SYSTEM FOR SYNCHRONIZING THE RECEIPT AND DISTRIBUTION OF DATA PULSES RECEIVED IN SERIAL FORMAT IN GROUPS OF PULSES, EACH PULSE GROUP DENOTING A CHARACTER, AND THE CONVERSION OF THE DATA PULSES INTO A PARALLEL FORMAT, COMPRISING: CLOCK CIRCUIT MEANS OPERATIVE RESPONSIVE TO RECEIPT OF THE FIRST PULSE IN EACH GROUP TO PROVIDE A TRAIN OF PRECISELY-SPACED CLOCK PULSES, AND SHIFT REGISTER MEANS, INCLUDING A PLURALITY OF MEMORY CIRCUITS CONNECTED TO RECEIVE THE DATA PULSES IN SERIAL FORMAT AT ONE OF SAID MEMORY CIRCUITS AND HAVING A PLURALITY OF OUTPUT CONDUCTORS RESPECTIVELY COUPLED TO THE DIFFERENT MEMORY CIRCUITS TO PRESENT THE DATA PULSES IN PARALLEL FORMAT, MEANS FOR APPLYING SAID TRAIN OF CLOCK PULSES SIMULTANEOUSLY TO ALL OF SAID MEMORY CIRCUITS TO STEP THE SERIAL DATA PULSES SEQUENTIALLY THROUGH THE MEMORY CIRCUITS AND PROVIDE A GROUP OF CHARACTER-DENOTING SIGNALS SIMULTANEOUSLY ON SAID OUTPUT CONDUCTORS, AND MEANS OPERATIVE UPON STORAGE OF THE LAST PULSE OF A CHARACTER-DENOTING GROUP TO PASS A STOP PULSE TO SAID CLOCK CIRCUIT MEANS TO TERMINATE THE TRAIN OF CLOCK PULSES.
Claim 2
Independent Claim
174 words
A SYSTEM FOR SYNCHRONIZING THE RECEIPT AND DISTRIBUTION OF DATA PULSES RECEIVED IN SERIAL FORMAT IN GROUPS OF PULSES, EACH PULSE GROUP DENOTING A CHARACTER, AND THE CONVERSION OF THE DATA PULSES INTO A PARALLEL FORMAT, COMPRISING: CLOCK CIRCUIT MEANS OPERATIVE RESPONSIVE TO RECEIPT OF THE FIRST PULSE IN EACH GROUP TO PROVIDE A TRAIN OF PRECISELY-SPACED CLOCK PULSES, AND SHIFT REGISTER MEANS, INCLUDING A PLURALITY OF MEMORY CIRCUITS CONNECTED TO RECEIVE THE DATA PULSES IN SERIAL FORMAT AT ONE OF SAID MEMORY CIRCUITS AND HAVING A PLURALITY OF OUTPUT CONDUCTORS RESPECTIVELY COUPLED TO THE DIFFERENT MEMORY CIRCUITS TO PRESENT THE DATA PULSES IN PARALLEL FORMAT, MEANS FOR APPLYING SAID TRAIN OF CLOCK PULSES SIMULTANEOUSLY TO ALL OF SAID MEMORY CIRCUITS TO STEP THE SERIAL DATA PULSES SEQUENTIALLY THROUGH THE MEMORY CIRCUITS AND PROVIDE A GROUP OF CHARACTER-DENOTING SIGNALS SIMULTANEOUSLY ON SAID OUTPUT CONDUCTORS, AND MEANS OPERATIVE UPON STORAGE OF THE LAST PULSE OF A CHARACTER-DENOTING GROUP TO PASS A STOP PULSE TO SAID CLOCK CIRCUIT MEANS TO TERMINATE THE TRAIN OF CLOCK PULSES.
References Cited (Backward Citations)
US3245040A
Cited
US3249922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |