US3343124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistorized turn direction indicator circuit
Assignee: Motorola Solutions Inc
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Filing: 1965-03-31
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Granted: 1967-09-19
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Expires: 1985-03-31
Abstract
No abstract record available.
Inventors
- 👤 Tyzack Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:42
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/34; B60Q1/38; B60Q1/387
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A TURN DIRECTION INDICATOR CIRCUIT FOR A VEHICLE HAVING A SOURCE OF DIRECT CURRENT POTENTIAL, INCLUDING IN COMBINATION, INDICATOR MEANS MOUNTED ON THE VEHICLE FOR VISIBLY INDICATING THE TURN DIRECTION BY INTERMITTENT ELECTRICAL ENERGIZATION, TRANSISTOR MEANS HAVING A PRIMARY CURRENT PATH AND A CONTROL CURRENT PATH AND BEING RESPONSIVE TO CURRENT IN SAID CONTROL CURRENT PATH TO CONDUCT CURRENT THROUGH SAID PRIMARY CURRENT PATH, MEANS FOR CONNECTING SAID PRIMARY CURRENT PATH IN SERIES WITH SAID INDICATOR MEANS ACROSS THE SOURCE OF POTENTIAL, FLASHER MEANS RESPONSIVE TO VOLTAGE APPLIED THERETO TO INTERMITTENTLY CONDUCT CURRENT, AND MEANS INCLUDING A TURN SWITCH CONNECTING THE CONTROL CURRENT PATH OF SAID TRANSISTOR MEANS IN SERIES WITH SAID FLASHER MEANS ACROSS THE SOURCE OF POTENTIAL TO PROVIDE INTERMITTENT CONTROL CURRENT THERETHROUGH WHEN SAID TURN SWITCH IS CLOSED AND IN RESPONSE TO THE CONDUCTION OF SAID FLASHER MEANS, SAID TRANSISTOR MEANS CONDUCTING THROUGH SAID PRIMARY CURRENT PATH IN RESPONSE TO THE CONTROL CURRENT TO ENERGIZE SAID INDICATOR LAMP.
Claim 2
Dependent Claim
161 words
A TURN DIRECTION INDICATOR CIRCUIT FOR A VEHICLE HAVING A SOURCE OF DIRECT CURRENT POTENTIAL, INCLUDING IN COMBINATION, INDICATOR MEANS MOUNTED ON THE VEHICLE FOR VISIBLY INDICATING THE TURN DIRECTION BY INTERMITTENT ELECTRICAL ENERGIZATION, TRANSISTOR MEANS HAVING A PRIMARY CURRENT PATH AND A CONTROL CURRENT PATH AND BEING RESPONSIVE TO CURRENT IN SAID CONTROL CURRENT PATH TO CONDUCT CURRENT THROUGH SAID PRIMARY CURRENT PATH, MEANS FOR CONNECTING SAID PRIMARY CURRENT PATH IN SERIES WITH SAID INDICATOR MEANS ACROSS THE SOURCE OF POTENTIAL, FLASHER MEANS RESPONSIVE TO VOLTAGE APPLIED THERETO TO INTERMITTENTLY CONDUCT CURRENT, AND MEANS INCLUDING A TURN SWITCH CONNECTING THE CONTROL CURRENT PATH OF SAID TRANSISTOR MEANS IN SERIES WITH SAID FLASHER MEANS ACROSS THE SOURCE OF POTENTIAL TO PROVIDE INTERMITTENT CONTROL CURRENT THERETHROUGH WHEN SAID TURN SWITCH IS CLOSED AND IN RESPONSE TO THE CONDUCTION OF SAID FLASHER MEANS, SAID TRANSISTOR MEANS CONDUCTING THROUGH SAID PRIMARY CURRENT PATH IN RESPONSE TO THE CONTROL CURRENT TO ENERGIZE SAID INDICATOR LAMP.
References Cited (Backward Citations)
US3002127A
Cited
US3189796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |