Electronic testing apparatus
Abstract
Abstract ROTARY SWITCH ACTUATORS ARE TESTED BY CONNECTION TO TESTING APPARATUS HAVING A CONTROL TO DRIVE THE ACTUATOR, A SWITCH ARRANGED TO BE OPENED OR CLOSED BY THE ACTUATOR, A TACHOMETER SENSING THE SPEED OF OPERATION AS THE MOTOR DRIVES THE ACTUATOR AT VARYING SPEEDS, AND A COMPARATOR CIRCUIT IS ARRANGED TO RECEIVE AN OUTPUT FROM THE TACHOMETER AND TO HAVE ONE OR MORE INPUTS PRESET TO VALUES CORRESPONDING TO TACHOMETER OUTPUT AT PREDETERMINED SPEEDS. THE COMPARATOR CIRCUIT OUTPUT IN CONNECTED TO A GATE CIRCUIT AND THE GATE CIRCUIT ALSO RECEIVES AN INPUT FROM THE SWITCH, WHEREBY A SIGNAL OR LACK OF A SIGNAL FROM THE GATE CIRCUIT OUTPUT INDICATES SUCCESS OR FAILURE OF AN ACTUATOR UNDER TEST TO OPERATE THE SWITCH WITHIN DESIRES SPEED LIMITS.
Inventors
- 👤 Stuart E Athey
Bibliographic Details
Claims Analysis
Total Claims: 0References 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 |