US3414773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic relay carrier circuitry for testing multiple terminal points employing timer sampling means
Assignee: WAYNE ELECTRONIC PRODUCTS CO
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Filing: 1966-08-25
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Granted: 1968-12-03
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Expires: 1986-08-25
Abstract
No abstract record available.
Inventors
- 👤 Marion D Knox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:26
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/02; H02H3/04; H02H3/044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
AUTOMATIC RELAY CARRIER TESTING APPARATUS FOR USE WITH PROTECTIVE RELAY SYSTEMS FOR HIGH VOLTAGE TRANSMISSION LINES, WHICH SYSTEMS INCLUDE A CARRIER-CURRENT TRANSMITTER AND RECEIVER INTERCONNECTED BETWEEN EACH TRANSMISSION LINE TERMINAL POINT, COMPRISING: CONTROL MEANS AT EACH TERMINAL CONNECTED TO ENERGIZE THE RESPECTIVE TRANSMITTER; FIRST PROGRAM SWITCH MEANS PROVIDING A PLURALITY OF FIRST CONTROL OUTPUTS TO A FIRST ONE OF SAID CONTROL MEANS; FIRST DRIVE MEANS CONNECTED TO ACTUATE SAID FIRST PROGRAM SWITCH MEANS THROUGH A PREDETERMINED PROGRAM TO PROVIDE A DESIRED SEQUENCE OF CONTROL OUTPUTS; MEANS FOR ENERGIZING SAID FIRST DRIVE MEANS ONLY DURING SPACED INTERVALS; SECOND PROGRAM SWITCH MEANS PROVIDING A PLURALITY OF SECOND CONTROL OUTPUTS TO A SECOND ONE OF SAID CONTROL MEANS; SECOND DRIVE MEANS CONNECTED TO ACTUATE SAID SECOND PROGRAM SWITCH MEANS THROUGH A PREDETERMINED PROGRAM TO PROVIDE A DESIRED SEQUENCE OF CONTROL OUTPUTS; MEANS CONTROLLED BY ACTUATION OF SAID FIRST PROGRAM SWITCH MEANS FOR ENERGIZING SAID SECOND DRIVE MEANS TO FUNCTION IN SYNCHRONISM WITH SAID DRIVE MEANS; WHEREBY SAID FIRST AND SECOND CONTROL OUTPUTS ENERGIZE THEIR RESPECTIVE TRANSMITTERS IN A PREDETERMINED ORDER TO VERIFY THE OPERATION OF THE CARRIER-CURRENT EQUIPMENT.
Claim 2
Dependent Claim
185 words
AUTOMATIC RELAY CARRIER TESTING APPARATUS FOR USE WITH PROTECTIVE RELAY SYSTEMS FOR HIGH VOLTAGE TRANSMISSION LINES, WHICH SYSTEMS INCLUDE A CARRIER-CURRENT TRANSMITTER AND RECEIVER INTERCONNECTED BETWEEN EACH TRANSMISSION LINE TERMINAL POINT, COMPRISING: CONTROL MEANS AT EACH TERMINAL CONNECTED TO ENERGIZE THE RESPECTIVE TRANSMITTER; FIRST PROGRAM SWITCH MEANS PROVIDING A PLURALITY OF FIRST CONTROL OUTPUTS TO A FIRST ONE OF SAID CONTROL MEANS; FIRST DRIVE MEANS CONNECTED TO ACTUATE SAID FIRST PROGRAM SWITCH MEANS THROUGH A PREDETERMINED PROGRAM TO PROVIDE A DESIRED SEQUENCE OF CONTROL OUTPUTS; MEANS FOR ENERGIZING SAID FIRST DRIVE MEANS ONLY DURING SPACED INTERVALS; SECOND PROGRAM SWITCH MEANS PROVIDING A PLURALITY OF SECOND CONTROL OUTPUTS TO A SECOND ONE OF SAID CONTROL MEANS; SECOND DRIVE MEANS CONNECTED TO ACTUATE SAID SECOND PROGRAM SWITCH MEANS THROUGH A PREDETERMINED PROGRAM TO PROVIDE A DESIRED SEQUENCE OF CONTROL OUTPUTS; MEANS CONTROLLED BY ACTUATION OF SAID FIRST PROGRAM SWITCH MEANS FOR ENERGIZING SAID SECOND DRIVE MEANS TO FUNCTION IN SYNCHRONISM WITH SAID DRIVE MEANS; WHEREBY SAID FIRST AND SECOND CONTROL OUTPUTS ENERGIZE THEIR RESPECTIVE TRANSMITTERS IN A PREDETERMINED ORDER TO VERIFY THE OPERATION OF THE CARRIER-CURRENT EQUIPMENT.
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |