Patent US2378773A successfully refreshed from Google Patents.
Patent US3614477A successfully refreshed from Google Patents.
US3614477A
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US
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Field effect transistor shunt squaring network
Assignee: Bendix Corp
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Filing: 1968-11-26
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Granted: 1971-10-19
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Expires: 1988-11-26
Abstract
Abstract A squaring network wherein an input signal wave appearing on a signal line and having a peak value occurring at a repetition frequency equal to a pulse repetition frequency of a reference square wave is shaped into a square wave. A pair of oppositely poled field effect transistors shunt the signal line alternately to one and then another signal storage capacitor in response to the reference square wave.
Inventors
- 👤 Henry F Liebman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:03
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/353; H03K17/00; H03K17/51; H03K17/56; H03K17/687; H03K17/6871; H03K17/6872; H03K5/00; H03K5/156
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
192 words
An electrical squaring network comprising: a signal line having an input terminal at one end upon which an input voltage signal having peak voltage values is impressed and an output terminal; first and second voltage sources; a first charge storage element having two ends, one said end being connected to said first voltage source; a second charge storage element having two ends, one said end being connected to said second voltage source; a first field effect semiconductor having a first bilateral current path for coupling said signal line to said first charge storage element other end when in a first conductive state and for disconnecting said first bilateral current path when in a nonconductive state; a second field effect semiconductor having a second bilateral current path for coupling said signal line to said second charge storage element other end when in a conductive state and for disconnecting said second bilateral current path when in a nonconductive state, said second field effect semiconductor being oppositely poled from said first field effect semiconductor; and, means coupled to said first and second semiconductors for controlling the conductive states thereof synchronously with said peak voltage values.
Claim 2
Dependent Claim
192 words
An electrical squaring network comprising: a signal line having an input terminal at one end upon which an input voltage signal having peak voltage values is impressed and an output terminal; first and second voltage sources; a first charge storage element having two ends, one said end being connected to said first voltage source; a second charge storage element having two ends, one said end being connected to said second voltage source; a first field effect semiconductor having a first bilateral current path for coupling said signal line to said first charge storage element other end when in a first conductive state and for disconnecting said first bilateral current path when in a nonconductive state; a second field effect semiconductor having a second bilateral current path for coupling said signal line to said second charge storage element other end when in a conductive state and for disconnecting said second bilateral current path when in a nonconductive state, said second field effect semiconductor being oppositely poled from said first field effect semiconductor; and, means coupled to said first and second semiconductors for controlling the conductive states thereof synchronously with said peak voltage values.
Claim 3
Dependent Claim
20 words
The switching network recited in claim 1 wherein said first and second charge storage elements comprise first and second capacitors.
Claim 4
Dependent Claim
34 words
The switching network recited in claim 1 wherein said means for controlling the conductive state of said field effect semiconductors comprises means synchronized with said input voltage signal for generating a reference square wave.
Claim 5
Dependent Claim
155 words
An electronic squaring network comprising: a signal line having an input terminal at one end on which an input voltage signal having peak voltage magnitudes is impressed and an output terminal; a first voltage source; a second voltage source; a first charge storage element having two ends, one said first element end being connected to said first voltage source; a second charge storage element having two ends, one said second element end being connected to said second voltage source; a first field effect transistor having a source-drain circuit connected between said signal line and said first charge storage element second end and having a first gate electrode means; a second field effect transistor having a source-drain circuit connected between said signal line and said second charge storage element other end and having a second gate electrode means; and, means running synchronously with said peak values for alternately energizing said first and second gate electrode means.
Claim 6
Dependent Claim
155 words
An electronic squaring network comprising: a signal line having an input terminal at one end on which an input voltage signal having peak voltage magnitudes is impressed and an output terminal; a first voltage source; a second voltage source; a first charge storage element having two ends, one said first element end being connected to said first voltage source; a second charge storage element having two ends, one said second element end being connected to said second voltage source; a first field effect transistor having a source-drain circuit connected between said signal line and said first charge storage element second end and having a first gate electrode means; a second field effect transistor having a source-drain circuit connected between said signal line and said second charge storage element other end and having a second gate electrode means; and, means running synchronously with said peak values for alternately energizing said first and second gate electrode means.
Claim 7
Dependent Claim
22 words
An electronic squaring network as recited in claim 4 wherein said first and second charge storage elements comprise first and second capacitors.
Claim 8
Dependent Claim
34 words
An electronic squaring network as recited in claim 5 wherein said first and second field effect transistors are oppositely poled and said energizing means comprises a square wave generator synchronized with said input signal.
Claim 9
Dependent Claim
99 words
An electronic squaring network as recited in claim 6 wherein said square wave generator includes a reference terminal upon which a reference square wave is generated and wherein said first gate electrode means comprises: a first gate electrode; a third capacitor for coupling said first gate electrode to said reference terminal; a first diode for shunting said third capacitor; and, wherein said second gate electrode means comprises; a second gate electrode; a fourth capacitor for coupling said second gate electrode to said reference terminal; and, a second diode, oppositely poled from said first diode, for shunting said fourth capacitor.
Claim 10
Dependent Claim
29 words
An electronic squaring network as recited in claim 7 with additional filter means connected to said reference terminal for removing undesired frequency components from said reference voltage square wave.
Claim 11
Dependent Claim
20 words
An electronic squaring network recited in claim 8 wherein said first and second voltage sources comprise a single voltage source.
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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) | 1974-10-18 | 1975-04-19 | 1975-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-18 | 1979-04-19 | 1979-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-18 | 1983-04-19 | 1983-10-19 | $7700.00 | Window Closed / Lapsed |