US3123723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Staircase wave generator employing two four-layer diodes
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:22
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/02; H03K4/023; H03K4/06; H03K4/08; H03K4/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN IMPROVED STAIRCASE WAVE GENERATOR CIRCUIT COMPRISING: (A) A VOLTAGE SUPPLY HAVING ONE SIDE THEREOF CONNECTED TO A POINT OF GROUND POTENTIAL, (B) A FIRST CAPACITOR AND A FIRST RESISTOR IN PARALLEL AND CONNECTED BETWEEN THE OTHER SIDE OF SAID VOLTAGE SUPPLY AND ONE TERMINAL OF A FIRST P-N-P-N TYPE SEMICONDUCTOR DEVICE, (C) A SECOND P-N-P-N TYPE SEMICONDUCTOR DEVICE HAVING ONE TERMINAL CONNECTED TO SAID POINT OF GROUND POTENTIAL, (D) A CURRENT LIMITING SECOND RESISTOR BEING CONNECTED BETWEEN THE OTHER TERMINAL OF SAID FIRST SEMICONDUCTOR DEVICE AND THE OTHER TERMINAL OF SAID SECOND SEMICONDUCTOR DEVICE, (E) A SECOND CAPACITOR AND A CURRENT LIMITING THIRD RESISTOR IN SERIES CONNECTED ACROSS SAID SECOND SEMICONDUCTOR DEVICE, (F) THE OUTPUT FROM THE CIRCUIT TAKEN FROM ACROSS SAID SECOND SEMICONDUCTOR DEVICE,
Claim 2
Dependent Claim
126 words
AN IMPROVED STAIRCASE WAVE GENERATOR CIRCUIT COMPRISING: (A) A VOLTAGE SUPPLY HAVING ONE SIDE THEREOF CONNECTED TO A POINT OF GROUND POTENTIAL, (B) A FIRST CAPACITOR AND A FIRST RESISTOR IN PARALLEL AND CONNECTED BETWEEN THE OTHER SIDE OF SAID VOLTAGE SUPPLY AND ONE TERMINAL OF A FIRST P-N-P-N TYPE SEMICONDUCTOR DEVICE, (C) A SECOND P-N-P-N TYPE SEMICONDUCTOR DEVICE HAVING ONE TERMINAL CONNECTED TO SAID POINT OF GROUND POTENTIAL, (D) A CURRENT LIMITING SECOND RESISTOR BEING CONNECTED BETWEEN THE OTHER TERMINAL OF SAID FIRST SEMICONDUCTOR DEVICE AND THE OTHER TERMINAL OF SAID SECOND SEMICONDUCTOR DEVICE, (E) A SECOND CAPACITOR AND A CURRENT LIMITING THIRD RESISTOR IN SERIES CONNECTED ACROSS SAID SECOND SEMICONDUCTOR DEVICE, (F) THE OUTPUT FROM THE CIRCUIT TAKEN FROM ACROSS SAID SECOND SEMICONDUCTOR DEVICE,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |