US3176237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telecommunication receivers
Assignee: Societe Anonyme de Telecommunications SAT
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Filing: 1960-11-25
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Granted: 1965-03-30
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Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Liger Marc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:13
CPC Classifications
H; H04; H04B; H04B3/00; H04B3/02; H04B3/04; H03; H03D; H03D9/00; H03D9/02; H03H; H03H2/00; H03H2/005; H04B1/00; H04B1/06; H04B1/10; H04B1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A TELECOMMUNICATION RECEIVER, COMPRISING AN INPUT PHASE-SHIFTING NETWORK HAVING INPUT TERMINALS CONNECTED TO AT LEAST ONE SOURCE OF SIGNALS AND TO AT LEAST ONE MATCHING IMPEDANCE FOR SAID SOURCE SIGNALS, AND A PLURALITY OF OUTPUT TERMINALS, AN OUTPUT PHASE-SHIFTING NETWORK HAVING A PLURALITY OF INPUTS TERMINALS AND AT LEAST ONE OUTPUT LOAD TERMINAL, AND A PLURALITY OF UNIDIRECTIONAL TRANSMISSION DEVICES N IN NUMBER, HAVING RESPECTIVE INPUTS AND OUTPUTS, BETWEEN WHICH THE TRANSMISSION FACTORS AND PHASE SHIFTS ARE RESPECTIVELY A''1, A''2 ... A''N'' AND A''1, A''2 ... A''N, IMPEDANCE TRANSFORMING MEANS FOR CONNECTING THERETHROUGH THE INPUTS OF SAID TRANSMISSION DEVICES RESPECTIVELY TO OUTPUT TERMINALS OF SAID INPUT NETWORK AT WHICH THE SUCCESSIVE TRANSMISSION ATTENUATIONS AND PHASE SHIFTS MEASURED FROM THE INPUT TERMINAL THEREOF CONNECTED TO SAID SOURCE OF SIGNALS, ARE RESPECTIVELY A1, A2 ... AN AND A1, A2 ... AN, SAID ATTENUATIONS AND PHASE SHIFTS HAVING SUBSTANTIALLY THE RELATIONSHIP
Claim 2
Dependent Claim
148 words
A TELECOMMUNICATION RECEIVER, COMPRISING AN INPUT PHASE-SHIFTING NETWORK HAVING INPUT TERMINALS CONNECTED TO AT LEAST ONE SOURCE OF SIGNALS AND TO AT LEAST ONE MATCHING IMPEDANCE FOR SAID SOURCE SIGNALS, AND A PLURALITY OF OUTPUT TERMINALS, AN OUTPUT PHASE-SHIFTING NETWORK HAVING A PLURALITY OF INPUTS TERMINALS AND AT LEAST ONE OUTPUT LOAD TERMINAL, AND A PLURALITY OF UNIDIRECTIONAL TRANSMISSION DEVICES N IN NUMBER, HAVING RESPECTIVE INPUTS AND OUTPUTS, BETWEEN WHICH THE TRANSMISSION FACTORS AND PHASE SHIFTS ARE RESPECTIVELY A''1, A''2 ... A''N'' AND A''1, A''2 ... A''N, IMPEDANCE TRANSFORMING MEANS FOR CONNECTING THERETHROUGH THE INPUTS OF SAID TRANSMISSION DEVICES RESPECTIVELY TO OUTPUT TERMINALS OF SAID INPUT NETWORK AT WHICH THE SUCCESSIVE TRANSMISSION ATTENUATIONS AND PHASE SHIFTS MEASURED FROM THE INPUT TERMINAL THEREOF CONNECTED TO SAID SOURCE OF SIGNALS, ARE RESPECTIVELY A1, A2 ... AN AND A1, A2 ... AN, SAID ATTENUATIONS AND PHASE SHIFTS HAVING SUBSTANTIALLY THE RELATIONSHIP
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |