US3588546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bistable trigger circuit having different voltage threshold
Assignee: US Philips Corp
•
Filing: 1967-11-28
•
Granted: 1971-06-28
•
Expires: 1987-11-28
Abstract
Abstract A BISTABLE TRIGGER CIRCUIT FOR PREVENTING SPURIOUS SIGNALS FROM AFFECTING THE OUTPUT DURING THE RISE AND FALL TIME OF AN INPUT CLOCK SIGNAL UTILIZING A LOGIC STAGE INTERMEDIATE THE INPUT AND OUTPUT STAGES. THE INTERMEDIATE STAGE IS PROVIDED WITH A THRESHOLDED ELEMENT FOR RESPONSE EARLIER IN TIME THAN THE REMAINING LOGIC ELEMENTS DURING THE RISE TIME, AND LATER IN TIME DURING THE FALL TIME. LOGIC ELEMENTS COUPLED TO THE THRESHOLDED ELEMENT THUS ARE BLOCKED TO THE PASSAGE OF A SPURIOUS PULSE.
Inventors
- 👤 Klaus Lagemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:34
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/027; H03K3/037; H03K3/0372; G; G11; G11C; G11C11/00; G11C11/21; G11C11/34; G11C11/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |