Patent US3376518A successfully refreshed from Google Patents.
US3376518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low frequency oscillator circuit
Assignee: RADIATION INSTR DEV LAB
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Filing: 1964-05-13
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Granted: 1968-04-02
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Expires: 1984-05-13
Abstract
No abstract record available.
Inventors
- 👤 Emmer Thomas Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:05
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A LOW FREQUENCY OSCILLATOR CIRCUIT FOR GENERATING A SERIES OF ELECTRICAL PULSES COMPRISING A PLURALITY OF GATED CONSTANT CURRENT MEANS, A SOURCE OF GATING PULSES, AN INTEGRATING CAPACITOR, MEANS FOR APPLYING SAID GATING PULSES TO ONE OF SAID CONSTANT CURRENT MEANS FOR SELECTING A PREDETERMINED CONSTANT CURRENT VALUE THEREFROM, THE CONSTANT CURRENT MEANS BEING ADAPTED TO CHARGE THE CAPACITOR TO A LINEAR SAWTOOTH WAVEFORM, DISCHARGE MEANS FOR ABRUPTLY PERIODICALLY DISCHARGING THE CAPACITOR TO A FIXED REFERENCE POTENTIAL, VOLTAGE DISCRIMINATOR MEANS BEING CONNECTED TO THE INTEGRATING CAPACITOR AND ADAPTED TO RESPOND TO A VOLTAGE LEVEL ACROSS THE CAPACITOR EXCEEDING A PREDETERMINED THRESHOLD VALUE BY GENERATING A PULSE SIGNAL, PULSE SHAPER MEANS BEING CONNECTED TO THE OUTPUT OF THE VOLTAGE DISCRIMINATOR AND ADAPTED TO RESPOND TO THE PULSE SIGNAL FROM THE DISCRIMINATOR BY GENERATING AN OUTPUT SIGNAL, THE DISCHARGE MEANS BEING CONNECTED BETWEEN THE PULSE SHAPER AND THE INTEGRATING CAPACITOR ADAPTED TO DISCHARGE THE CAPACITOR TO THE FIXED REFERENCE POTENTIAL IN RESPONSE TO THE OUTPUT SIGNAL.
Claim 2
Dependent Claim
164 words
A LOW FREQUENCY OSCILLATOR CIRCUIT FOR GENERATING A SERIES OF ELECTRICAL PULSES COMPRISING A PLURALITY OF GATED CONSTANT CURRENT MEANS, A SOURCE OF GATING PULSES, AN INTEGRATING CAPACITOR, MEANS FOR APPLYING SAID GATING PULSES TO ONE OF SAID CONSTANT CURRENT MEANS FOR SELECTING A PREDETERMINED CONSTANT CURRENT VALUE THEREFROM, THE CONSTANT CURRENT MEANS BEING ADAPTED TO CHARGE THE CAPACITOR TO A LINEAR SAWTOOTH WAVEFORM, DISCHARGE MEANS FOR ABRUPTLY PERIODICALLY DISCHARGING THE CAPACITOR TO A FIXED REFERENCE POTENTIAL, VOLTAGE DISCRIMINATOR MEANS BEING CONNECTED TO THE INTEGRATING CAPACITOR AND ADAPTED TO RESPOND TO A VOLTAGE LEVEL ACROSS THE CAPACITOR EXCEEDING A PREDETERMINED THRESHOLD VALUE BY GENERATING A PULSE SIGNAL, PULSE SHAPER MEANS BEING CONNECTED TO THE OUTPUT OF THE VOLTAGE DISCRIMINATOR AND ADAPTED TO RESPOND TO THE PULSE SIGNAL FROM THE DISCRIMINATOR BY GENERATING AN OUTPUT SIGNAL, THE DISCHARGE MEANS BEING CONNECTED BETWEEN THE PULSE SHAPER AND THE INTEGRATING CAPACITOR ADAPTED TO DISCHARGE THE CAPACITOR TO THE FIXED REFERENCE POTENTIAL IN RESPONSE TO THE OUTPUT SIGNAL.
References Cited (Backward Citations)
US3156875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |