Patent US3417378A successfully refreshed from Google Patents.
US3417378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple frequency data handling system
Assignee: Unisys Corp
•
Filing: 1966-09-13
•
Granted: 1968-12-17
•
Expires: 1986-09-13
Abstract
No abstract record available.
Inventors
- 👤 Richard C Simonsen
- 👤 Norman S Blessum
- 👤 John A Hibner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:00
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/04; G06F3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
213 words
A SYSTEM FOR TIMING THE FLOW OF DATA RELATIVE TO A STORAGE MEDIA COMPRISING: A DIGITAL DATA STORAGE MEDIA HAVING STORED THEREON BINARY DATA IN THE FORM OF BITS HAVING A PREDETERMINED BIT FREQUENCY, SAID STORAGE MEDIA HAVING AT LEAST TWO DISTINCT BIT FREQUENCIES STORED IN AT LEAST TWO DISTINCT DATA STORAGE SECTIONS OF THE MEDIA, A CLOCK TRACK HAVING REPETITIVE BINARY BITS CORRESPONDING IN BIT FREQUENCY TO THE FREQUENCY OF BITS STORED IN ONE OF THE DATA STORAGE SECTIONS ON SAID MEDIA, MEANS FOR RECOVERING SAID CLOCK TRACK OF ONE BIT FREQUENCY FROM SAID MEDIA AND FOR PROVIDING A FIRST TRAIN OF CLOCK PULSES HAVING A PULSE REPETITION RATE EQUAL TO THE BIT FREQUENCY OF SAID ONE DATA STORAGE SECTION, MEANS UTILIZING SAID FIRST TRAIN OF CLOCK PULSES FOR TRANSFERRING BINARY BITS OF SAID ONE BIT FREQUENCY RELATIVE TO ITS DISTINCT ASSOCIATED STORAGE SECTION ON SAID STORAGE MEDIA, MEANS FOR CONVERTING SAID FIRST TRAIN OF CLOCK PULSES INTO A SECOND TRAIN OF CLOCK PULSES HAVING A PULSE REPETITION RATE EQUAL TO THE BIT FREQUENCY OF SAID OTHER STORAGE SECTION ON SAID STORAGE MEDIA, AND MEANS UTILIZING SAID SECOND TRAIN OF CLOCK PULSES FOR TRANSFERRING BINARY BITS OF SAID OTHER BIT FREQUENCY RELATIVE TO ITS DISTINCT ASSOCIATED STORAGE SECTION ON SAID STORAGE MEDIA.
Claim 2
Independent Claim
213 words
A SYSTEM FOR TIMING THE FLOW OF DATA RELATIVE TO A STORAGE MEDIA COMPRISING: A DIGITAL DATA STORAGE MEDIA HAVING STORED THEREON BINARY DATA IN THE FORM OF BITS HAVING A PREDETERMINED BIT FREQUENCY, SAID STORAGE MEDIA HAVING AT LEAST TWO DISTINCT BIT FREQUENCIES STORED IN AT LEAST TWO DISTINCT DATA STORAGE SECTIONS OF THE MEDIA, A CLOCK TRACK HAVING REPETITIVE BINARY BITS CORRESPONDING IN BIT FREQUENCY TO THE FREQUENCY OF BITS STORED IN ONE OF THE DATA STORAGE SECTIONS ON SAID MEDIA, MEANS FOR RECOVERING SAID CLOCK TRACK OF ONE BIT FREQUENCY FROM SAID MEDIA AND FOR PROVIDING A FIRST TRAIN OF CLOCK PULSES HAVING A PULSE REPETITION RATE EQUAL TO THE BIT FREQUENCY OF SAID ONE DATA STORAGE SECTION, MEANS UTILIZING SAID FIRST TRAIN OF CLOCK PULSES FOR TRANSFERRING BINARY BITS OF SAID ONE BIT FREQUENCY RELATIVE TO ITS DISTINCT ASSOCIATED STORAGE SECTION ON SAID STORAGE MEDIA, MEANS FOR CONVERTING SAID FIRST TRAIN OF CLOCK PULSES INTO A SECOND TRAIN OF CLOCK PULSES HAVING A PULSE REPETITION RATE EQUAL TO THE BIT FREQUENCY OF SAID OTHER STORAGE SECTION ON SAID STORAGE MEDIA, AND MEANS UTILIZING SAID SECOND TRAIN OF CLOCK PULSES FOR TRANSFERRING BINARY BITS OF SAID OTHER BIT FREQUENCY RELATIVE TO ITS DISTINCT ASSOCIATED STORAGE SECTION ON SAID STORAGE MEDIA.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |