US4307333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two way regulating circuit
Assignee: Unisys Corp
•
Filing: 1980-07-29
•
Granted: 1981-12-22
•
Expires: 2000-07-29
Abstract
Abstract A circuit for controlling the charge and the voltage of a substrate for use with integrated circuit devices.
Inventors
- 👤 Arthur K. Hargrove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:01
CPC Classifications
G; G05; G05F; G05F3/00; G05F3/02; G05F3/08; G05F3/10; G05F3/16; G05F3/20; G05F3/205
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
116 words
A circuit for regulating the voltage at a substrate comprising, first and second semiconductor devices each having one end of the respective conduction paths thereof connected to said substrate, source means, first and second reactive means connected between said source means and the other end of the respective conduction paths of said first and second semiconductor devices and, third and fourth semiconductor devices having the conduction paths thereof connected in series between said other ends of said first and second semiconductor devices, the control electrodes of said first and fourth semiconductor devices connected together, the control electrodes of said second and third semiconductor devices connected together and cross-coupled relative to said first and fourth semiconductor devices.
Claim 2
Dependent Claim
116 words
A circuit for regulating the voltage at a substrate comprising, first and second semiconductor devices each having one end of the respective conduction paths thereof connected to said substrate, source means, first and second reactive means connected between said source means and the other end of the respective conduction paths of said first and second semiconductor devices and, third and fourth semiconductor devices having the conduction paths thereof connected in series between said other ends of said first and second semiconductor devices, the control electrodes of said first and fourth semiconductor devices connected together, the control electrodes of said second and third semiconductor devices connected together and cross-coupled relative to said first and fourth semiconductor devices.
Claim 3
Dependent Claim
19 words
The circuit recited in claim 1 wherein, said first and second reactive means comprise first and second capacitance means.
Claim 4
Dependent Claim
18 words
The circuit recited in claim 2 wherein, said semiconductor devices comprise field effect transistors formed in said substrate.
Claim 5
Dependent Claim
17 words
The circuit recited in claim 1 wherein, said first and second semiconductor devices are mutually exclusively conductive.
Claim 6
Dependent Claim
20 words
The circuit recited in claim 1 wherein, said source means supplies charge to said first and second reactive means alternately.
Claim 7
Dependent Claim
56 words
The circuit recited in claim 1 wherein, said source means supplies charge to said first and second reactive means alternately, and said first and second reactive means alternately supply charge to or receive charge from said substrate as a function of the charge in said substrate and the conduction of said first and second semiconductor devices.
Claim 8
Dependent Claim
25 words
The circuit recited in claim 1 wherein, the conduction of said first and second semiconductor devices is controlled by said third and fourth semiconductor devices.
Claim 9
Dependent Claim
66 words
The circuit recited in claim 1 wherein, said source means includes, signal supplying means, a first pair of semiconductor devices connected to receive signals from said signal supplying means, and a second pair of semiconductor devices connected to receive signals from said signal supplying means, said first and second pairs of semiconductor devices connected to selectively supply signals to said first and second reactive means, respectively.
Claim 10
Dependent Claim
22 words
The circuit recited in claim 8 including, voltage supplying means connected to each of said first and second pair of semiconductor devices.
Claim 11
Dependent Claim
43 words
The circuit recited in claim 9 wherein, each of said first and second pairs of semiconductor devices is connected so that only one of the semiconductor devices in each pair is mutually conductive in response to the signals from said signal supplying means.
Claim 12
Dependent Claim
34 words
The circuit recited in claim 8 wherein, said first pair of semiconductor devices comprises a pair of complementary conductivity devices, and said second pair of semiconductor devices comprises a pair of complementary conductivity devices.
References Cited (Backward Citations)
US4032838A
Cited
US4100437A
Cited
US4092548A
Cited
US4165478A
Cited
US4229667A
Cited
US4208595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-12-21 | 1985-06-22 | 1985-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-21 | 1989-06-22 | 1989-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-21 | 1993-06-22 | 1993-12-22 | $7700.00 | Window Closed / Lapsed |