Patent US2929577A successfully refreshed from Google Patents.
Patent US3864579A successfully refreshed from Google Patents.
US3864579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage regulating circuit providing plural outputs
Assignee: Duracell Inc USA
•
Filing: 1973-06-29
•
Granted: 1975-02-04
•
Expires: 1993-06-29
Abstract
Abstract A voltage regulator wherein a single variable input voltage provides two output voltages, the ratio of the output voltages remaining constant.
Inventors
- 👤 Charles H Klasing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:05
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; H03K17/18
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
87 words
In a voltage regulating means wherein a single variable output voltage provides two output voltages, the ratio of the output voltages remaining constant, a first diode in series with said output voltage, and a parallel combination of a second diode and a resistance means connected in series and serially connected resistance means, said parallel combination connected to said first diode, one of said output voltages connected between said second diode and said resistance means, the other of said output voltages connected to said serially connected resistance means.
Claim 2
Dependent Claim
87 words
In a voltage regulating means wherein a single variable output voltage provides two output voltages, the ratio of the output voltages remaining constant, a first diode in series with said output voltage, and a parallel combination of a second diode and a resistance means connected in series and serially connected resistance means, said parallel combination connected to said first diode, one of said output voltages connected between said second diode and said resistance means, the other of said output voltages connected to said serially connected resistance means.
Claim 3
Dependent Claim
34 words
In a voltage regulating means according to claim 1 wherein said resistance means is a resistor and said serially connected resistance means comprise two resistors, said other output voltage connected between said two resistors.
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) | 1978-02-03 | 1978-08-05 | 1979-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-03 | 1982-08-05 | 1983-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-03 | 1986-08-05 | 1987-02-04 | $7700.00 | Window Closed / Lapsed |