Patent US1977197A successfully refreshed from Google Patents.
Patent US3273128A successfully refreshed from Google Patents.
US3273128A
Expired / Lapsed
US
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Frequency multiplexing circuit
Assignee: Honeywell Inc
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Filing: 1962-12-31
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Granted: 1966-09-13
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Leonard B Ruthazer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:58
CPC Classifications
H; H04; H04L; H04L5/00; H04L5/02; H04L5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
DATA TRANSFER APPARATUS COMPRISING A PLURALITY OF DATA CHANNELS, A DELAY LINE, MEANS FOR PROVIDING A CLOCK FREQUENCY SIGNAL, MEANS IN EACH CHANNEL FOR MIXING SAID CLOCK FREQUENCY SIGNAL WITH A HIGH-FREQUENCY SIGNAL UNIQUE TO SAID CHANNEL TO AMPLITUDE-MODULATE THE LATTER SIGNAL, MEANS IN EACH CHANNEL FOR GETTING A SEPARATE DATA SIGNAL WITH THE OUTPUT OF SAID MIXING MEANS IN SYNCHRONISM COUPLING SAID CLOCK FREQUENCY, MEANS FOR SIMULTANEOUSLY COUPLING THE OUTPUT OF EACH OF SAID GATING MEANS TO SAID DELAY LINE, MEANS IN EACH CHANNEL COUPLED TO SAID DELAY LINE RECOVERING AN OUTPUT SIGNAL CORRESPONDING TO THE DATA SIGNAL IN SAID CHANNEL, AND MEANS FOR COUPLING EACH OF SAID OUTPUT SIGNALS TO A UNTILIZATION DEVICE.
Claim 2
Dependent Claim
115 words
DATA TRANSFER APPARATUS COMPRISING A PLURALITY OF DATA CHANNELS, A DELAY LINE, MEANS FOR PROVIDING A CLOCK FREQUENCY SIGNAL, MEANS IN EACH CHANNEL FOR MIXING SAID CLOCK FREQUENCY SIGNAL WITH A HIGH-FREQUENCY SIGNAL UNIQUE TO SAID CHANNEL TO AMPLITUDE-MODULATE THE LATTER SIGNAL, MEANS IN EACH CHANNEL FOR GETTING A SEPARATE DATA SIGNAL WITH THE OUTPUT OF SAID MIXING MEANS IN SYNCHRONISM COUPLING SAID CLOCK FREQUENCY, MEANS FOR SIMULTANEOUSLY COUPLING THE OUTPUT OF EACH OF SAID GATING MEANS TO SAID DELAY LINE, MEANS IN EACH CHANNEL COUPLED TO SAID DELAY LINE RECOVERING AN OUTPUT SIGNAL CORRESPONDING TO THE DATA SIGNAL IN SAID CHANNEL, AND MEANS FOR COUPLING EACH OF SAID OUTPUT SIGNALS TO A UNTILIZATION DEVICE.
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |