US3284726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Square law compander system utilizing a hall effect multiplier as the square law device
Assignee: Motorola Solutions Inc
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Filing: 1964-03-03
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Granted: 1966-11-08
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Expires: 1984-03-03
Abstract
No abstract record available.
Inventors
- 👤 Harry F Kotecki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:05
CPC Classifications
H; H03; H03G; H03G7/00; H03G7/002; H03G7/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A SIGNAL AMPLITUDE COMPRESSOR INCLUDING IN COMBINATION A FIRST HIGH GAIN LINEAR AMPLIFIER HAVING AN INPUT FOR RECEIVING AN INPUT SIGNAL AND AN OUTPUT, A HALL EFFECT MULTIPLIER HAVING FIRST AND SECOND INPUT CONDUCTORS CONNECTED TO SAID OUTPUT OF SAID AMPLIFIER AND AN OUTPUT CONDUCTOR, RESISTOR MEANS CONNECTED TO SAID OUTPUT CONDUCTOR PROVIDING A LOAD FOR SAID HALL EFFECT MULTIPLIER TO PROVIDE A SIGNAL THEREACROSS REPRESENTING THE SQUARE OF THE SIGNAL APPLIED TO SAID FIRST AND SECOND INPUT CONDUCTORS, AND INVERTER AMPLIFIER CONNECTING SAID RESISTOR MEANS TO SAID INPUT OF SAID FIRST AMPLIFIER FOR APPLYING THE INVERTED SQUARED SIGNAL THERETO, SO THAT THE INVERTED SQUARED SIGNAL FROM SAID HALL EFFECT MULTIPLIER IS SUBTRACTED FROM THE COMPRESSOR INPUT SIGNAL APPLIED TO SAID FIRST AMPLIFIER INPUT, SAID FIRST AMPLIFIER PROVIDING A COMPRESSOR OUTPUT SIGNAL AT SAID OUTPUT THEREOF WHICH IS PROPORTIONAL TO THE SQUARE ROOT OF THE COMPRESSOR INPUT SIGNAL.
Claim 2
Dependent Claim
148 words
A SIGNAL AMPLITUDE COMPRESSOR INCLUDING IN COMBINATION A FIRST HIGH GAIN LINEAR AMPLIFIER HAVING AN INPUT FOR RECEIVING AN INPUT SIGNAL AND AN OUTPUT, A HALL EFFECT MULTIPLIER HAVING FIRST AND SECOND INPUT CONDUCTORS CONNECTED TO SAID OUTPUT OF SAID AMPLIFIER AND AN OUTPUT CONDUCTOR, RESISTOR MEANS CONNECTED TO SAID OUTPUT CONDUCTOR PROVIDING A LOAD FOR SAID HALL EFFECT MULTIPLIER TO PROVIDE A SIGNAL THEREACROSS REPRESENTING THE SQUARE OF THE SIGNAL APPLIED TO SAID FIRST AND SECOND INPUT CONDUCTORS, AND INVERTER AMPLIFIER CONNECTING SAID RESISTOR MEANS TO SAID INPUT OF SAID FIRST AMPLIFIER FOR APPLYING THE INVERTED SQUARED SIGNAL THERETO, SO THAT THE INVERTED SQUARED SIGNAL FROM SAID HALL EFFECT MULTIPLIER IS SUBTRACTED FROM THE COMPRESSOR INPUT SIGNAL APPLIED TO SAID FIRST AMPLIFIER INPUT, SAID FIRST AMPLIFIER PROVIDING A COMPRESSOR OUTPUT SIGNAL AT SAID OUTPUT THEREOF WHICH IS PROPORTIONAL TO THE SQUARE ROOT OF THE COMPRESSOR INPUT SIGNAL.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |