Patent US3320437A successfully refreshed from Google Patents.
US3320437A
Expired / Lapsed
US
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Human contact controlled dimmer circuit with multivibrator and biswitch operation
Assignee: Ideal Industries Inc
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Filing: 1964-11-12
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Granted: 1967-05-16
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Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:47
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/94; H03K17/96; H03K17/962; H03K3/00; H03K3/02; H03K3/37; Y; Y10; Y10S; Y10S315/00; Y10S315/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A CONTROL CIRCUIT FOR CONNECTION TO A SOURCE OF POWER, A BISTABLE CIRCUIT CONNECTED ACROSS SAID SOURCE, MEANS FOR CAUSING SAID BISTABLE CIRCUIT TO SWITCH FROM ONE STABLE CONDITION TO THE OTHER A PAIR OF SPACED ANTENNA MEANS, EACH CONNECTED TO ONE SIDE OF SAID BISTABLE CIRCUIT FOR SWITCHING SAID BISTABLE CIRCUIT UPON HUMAN CONTACT WITH ONE OF SAID ANTENNA MEANS, A LOAD AND A GATED SEMICONDUCTOR BISWITCH CONNECTED IN SERIES ACROSS SAID SOURCE, AND MEANS COOPERATING WITH SAID BISTABLE CIRCUIT AND OPERABLE WHEN SAID BISTABLE CIRCUIT IS IN ONLY ONE STABLE CONDITION FOR APPLYING A VOLTAGE TO THE BISWITCH GATE TO CAUSE IT TO CONDUCT AND TO PERMIT CURRENT TO PASS THROUGH SAID LOAD.
Claim 2
Dependent Claim
116 words
IN A CONTROL CIRCUIT FOR CONNECTION TO A SOURCE OF POWER, A BISTABLE CIRCUIT CONNECTED ACROSS SAID SOURCE, MEANS FOR CAUSING SAID BISTABLE CIRCUIT TO SWITCH FROM ONE STABLE CONDITION TO THE OTHER A PAIR OF SPACED ANTENNA MEANS, EACH CONNECTED TO ONE SIDE OF SAID BISTABLE CIRCUIT FOR SWITCHING SAID BISTABLE CIRCUIT UPON HUMAN CONTACT WITH ONE OF SAID ANTENNA MEANS, A LOAD AND A GATED SEMICONDUCTOR BISWITCH CONNECTED IN SERIES ACROSS SAID SOURCE, AND MEANS COOPERATING WITH SAID BISTABLE CIRCUIT AND OPERABLE WHEN SAID BISTABLE CIRCUIT IS IN ONLY ONE STABLE CONDITION FOR APPLYING A VOLTAGE TO THE BISWITCH GATE TO CAUSE IT TO CONDUCT AND TO PERMIT CURRENT TO PASS THROUGH SAID LOAD.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |