US3200304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Touch control circuit
Assignee: Tung Sol Electric Inc
•
Filing: 1962-04-25
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Granted: 1965-08-10
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Expires: 1982-04-25
Abstract
No abstract record available.
Inventors
- 👤 Carl E Atkins
- 👤 Robert L Ziolkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:49
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/94; H03K17/96; H03K17/962; G; G08; G08B; G08B13/00; G08B13/22; G08B13/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A TOUCH RESPONSIVE CIRCUIT FOR CONNECTING AND DISCONNECTING A LOAD TO A SOURCE OF ELECTRICAL ENERGY COMPRISING: (A) A SEMICONDUCTIVE SWITCHING MEANS HAVING A GATING TERMINAL; (B) A LOW FREQUENCY SOURCE OF OSCILLATORY ENERGY COUPLED TO THE GATING TERMINAL OF SAID SEMICONDUCTIVE SWITCHING MEANS TO KEEP THE SEMICONDUCTIVE SWITCHING MEANS IN ONE OF ITS TWO OPERATING STATES; (C) A FIRST TOURCH RESPONSIVE MEANS COUPLED TO SAID SOURCE OF OSCILLATORY ENERGY WHICH WHEN TOUCHED SUPPRESSES THE APPLICATION OF OSCILLATORY ENERGY TO THE GATING TERMINAL OF THE SEMICONDUCTOR SWITCHING MEANS TO SWITCH THE SEMICONDUCTIVE SWITCHING MEANS TO THE OTHER OF ITS OPERATING STATES; (D) A RELAY COUPLED TO THE SEMICONDUCTIVE SWITCHING MEANS FOR COUPLING AND UNCOUPLING THE LOAD TO THE SOURCE OF ELECTRICAL ENERGY AS A FUNCTION OF THE OPERATING STATE OF THE SEMICONDUCTIVE SWITCHING MEANS, SAID RELAY HAVING CONTACTS WHICH OPEN AND CLOSE AS
Claim 2
Dependent Claim
143 words
A TOUCH RESPONSIVE CIRCUIT FOR CONNECTING AND DISCONNECTING A LOAD TO A SOURCE OF ELECTRICAL ENERGY COMPRISING: (A) A SEMICONDUCTIVE SWITCHING MEANS HAVING A GATING TERMINAL; (B) A LOW FREQUENCY SOURCE OF OSCILLATORY ENERGY COUPLED TO THE GATING TERMINAL OF SAID SEMICONDUCTIVE SWITCHING MEANS TO KEEP THE SEMICONDUCTIVE SWITCHING MEANS IN ONE OF ITS TWO OPERATING STATES; (C) A FIRST TOURCH RESPONSIVE MEANS COUPLED TO SAID SOURCE OF OSCILLATORY ENERGY WHICH WHEN TOUCHED SUPPRESSES THE APPLICATION OF OSCILLATORY ENERGY TO THE GATING TERMINAL OF THE SEMICONDUCTOR SWITCHING MEANS TO SWITCH THE SEMICONDUCTIVE SWITCHING MEANS TO THE OTHER OF ITS OPERATING STATES; (D) A RELAY COUPLED TO THE SEMICONDUCTIVE SWITCHING MEANS FOR COUPLING AND UNCOUPLING THE LOAD TO THE SOURCE OF ELECTRICAL ENERGY AS A FUNCTION OF THE OPERATING STATE OF THE SEMICONDUCTIVE SWITCHING MEANS, SAID RELAY HAVING CONTACTS WHICH OPEN AND CLOSE AS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |