US3263179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distribution amplifier for electrical signals
Assignee: US Philips Corp
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Filing: 1963-03-22
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Granted: 1966-07-26
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Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 Bosselaers Raphael Isi Gabriel
- 👤 Schipper Cornelis Arie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:19
CPC Classifications
H; H01; H01F; H01F19/00; H01F19/04; H03; H03F; H03F3/00; H03F3/189; H03F3/19; H03F3/68; H03H; H03H11/00; H03H11/02; H03H11/34; H03H11/342; H03H11/36; H03H11/362; H03H7/00; H03H7/48; H03H7/482
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A DISTRIBUTION AMPLIFIER SUITABLE FOR USE IN A COMMUNITY ANTENNA DISTRIBUTION SYSTEM COMPRISING A SOURCE OF SIGNALS, A PLURALITY OF AMPLIFIERS EACH HAVING INPUT, OUTPUT AND REFERENCE TERMINALS, A PLURALITY OF TRANSFORMERS EACH HAVING BIFILAR WOUND PRIMARY AND SECONDARY WINDINGS, MEANS CONNECTING ONE OF SAID PRIMARY WINDINGS BETWEEN SAID SOURCE OF SIGNALS AND THE INPUT TERMINAL OF ONE OF SAID AMPLIFIERS, MEANS CONNECTING ONE END OF EACH OF THE REMAINING PRIMARY WINDINGS TO THE INPUT TERMINAL OF A DIFFERENT AMPLIFIER AND THE OTHER END TO ONE END OF A DIFFERENT SECONDARY WINDING, MEANS CONNECTING THE OTHER END OF THE SECONDARY WINDINGS AND THE REFERENCE TERMINAL OF EACH OF SAID PLURALITY OF AMPLIFIERS TO A POINT OF REFERENCE POTENTIAL, AND MEANS CONNECTED TO THE REMAINING END OF THE REMAINING SECONDARY WINDING FOR PROVIDING A REFLECTION FREE TERMINATION THEREOF.
Claim 2
Dependent Claim
137 words
A DISTRIBUTION AMPLIFIER SUITABLE FOR USE IN A COMMUNITY ANTENNA DISTRIBUTION SYSTEM COMPRISING A SOURCE OF SIGNALS, A PLURALITY OF AMPLIFIERS EACH HAVING INPUT, OUTPUT AND REFERENCE TERMINALS, A PLURALITY OF TRANSFORMERS EACH HAVING BIFILAR WOUND PRIMARY AND SECONDARY WINDINGS, MEANS CONNECTING ONE OF SAID PRIMARY WINDINGS BETWEEN SAID SOURCE OF SIGNALS AND THE INPUT TERMINAL OF ONE OF SAID AMPLIFIERS, MEANS CONNECTING ONE END OF EACH OF THE REMAINING PRIMARY WINDINGS TO THE INPUT TERMINAL OF A DIFFERENT AMPLIFIER AND THE OTHER END TO ONE END OF A DIFFERENT SECONDARY WINDING, MEANS CONNECTING THE OTHER END OF THE SECONDARY WINDINGS AND THE REFERENCE TERMINAL OF EACH OF SAID PLURALITY OF AMPLIFIERS TO A POINT OF REFERENCE POTENTIAL, AND MEANS CONNECTED TO THE REMAINING END OF THE REMAINING SECONDARY WINDING FOR PROVIDING A REFLECTION FREE TERMINATION THEREOF.
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |