US3322969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triangular voltage waveform generator
Assignee: High Voltage Engineering Corp
•
Filing: 1964-05-07
•
Granted: 1967-05-30
•
Expires: 1984-05-07
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Callahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:52
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/50; H03K4/58; H03K4/10; H03K4/12; H03K4/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A TRIANGULAR WAVEFORM GENERATOR COMPRISING AN ELECTRON TUBE HAVING AN ANODE, A CATHODE AND A CONTROL GRID CONNECTED AS A CATHODE FOLLOWER, CAPACITOR MEANS EFFECTIVE TO CONTROL THE OUTPUT OF SAID CATHODE FOLLOWER CONNECTED BETWEEN SAID CONTROL GRID AND GROUND, A PLATE SUPPLY VOLTAGE SOURCE, A FIRST CIRCUIT MEANS FOR CHARGING SAID CAPACITOR MEANS INCLUDING A FIRST DIODE CONNECTED TO SAID PLATE SUPPLY VOLTAGE SOURCE, AND A FIRST SWITCHING MEANS FOR INTERRUPTING THE CHARGING CURRENT SERIALLY CONNECTED BETWEEN SAID FIRST DIODE AND SAID CONTROL GRID, A SECOND CIRCUIT MEANS FOR DISCHARGING OF SAID CAPACITOR MEANS INCLUDING A SECOND DIODE CONNECTED TO GROUND AND A SECOND SWITCHING MEANS FOR INTERRUPTING THE DISCHARGE CURRENT SERIALLY CONNECTED BETWEEN SAID SECOND DIODE AND SAID CONTROL GRID, A FIRST FEEDBACK CIRCUIT INCLUDING A FIRST SUBSTAN-
Claim 2
Dependent Claim
130 words
A TRIANGULAR WAVEFORM GENERATOR COMPRISING AN ELECTRON TUBE HAVING AN ANODE, A CATHODE AND A CONTROL GRID CONNECTED AS A CATHODE FOLLOWER, CAPACITOR MEANS EFFECTIVE TO CONTROL THE OUTPUT OF SAID CATHODE FOLLOWER CONNECTED BETWEEN SAID CONTROL GRID AND GROUND, A PLATE SUPPLY VOLTAGE SOURCE, A FIRST CIRCUIT MEANS FOR CHARGING SAID CAPACITOR MEANS INCLUDING A FIRST DIODE CONNECTED TO SAID PLATE SUPPLY VOLTAGE SOURCE, AND A FIRST SWITCHING MEANS FOR INTERRUPTING THE CHARGING CURRENT SERIALLY CONNECTED BETWEEN SAID FIRST DIODE AND SAID CONTROL GRID, A SECOND CIRCUIT MEANS FOR DISCHARGING OF SAID CAPACITOR MEANS INCLUDING A SECOND DIODE CONNECTED TO GROUND AND A SECOND SWITCHING MEANS FOR INTERRUPTING THE DISCHARGE CURRENT SERIALLY CONNECTED BETWEEN SAID SECOND DIODE AND SAID CONTROL GRID, A FIRST FEEDBACK CIRCUIT INCLUDING A FIRST SUBSTAN-
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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |