Patent US1745501A successfully refreshed from Google Patents.
US3290587A
Expired / Lapsed
US
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Dryness sensor for automatic fabric drying machine
Assignee: General Electric Co
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Filing: 1964-03-16
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Granted: 1966-12-06
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Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Glenn R Chafee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:29
CPC Classifications
G; G01; G01N; G01N22/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A SENSOR FOR DETERMINING DRYNESS OF THE CONTENTS OF THE FABRIC CONTAINER OF A FRABIC DRYING MACHINE, SAID SENSOR COMPRISING: (A) A CIRCUIT BOARD HAVING A GROUND PLANE AFFIXED TO ONE SURFACE THEREOF, (B) OSCILLATOR MEANS FOR GENERATING A HIGH FREQUENCY ELECTRIC CURRENT, (1) SAID OSCILLATOR MEANS INCLUDING A MICROSTRIP LINE AFFIXED TO SAID CIRCUIT BOARD ON THE SIDE OPEPOSITE SAID GROUND PLANE AND RESONANT AT SAID HIGH FREQUENCY, (C) ANTENNA MEANS POSITIONED FOR TRANSMITTING ELECTROMAGNETIC WAVES TO THE FABRIC CONTAINER AND FOR RECEIVING THE ELECTROMAGNETIC WAVES REFLECTED THEREFROM, (D) MEANS CONNECTING SAID MICROSTRIP LINE TO SAID ANTENNA MEANS, AND (E) MEANS CONNECTED TO SAID ANTENNA FOR DETECTING THE ELECTROMAGNETIC WAVES REFLECTED FROM THE FABRIC CONTAINER.
Claim 2
Dependent Claim
116 words
A SENSOR FOR DETERMINING DRYNESS OF THE CONTENTS OF THE FABRIC CONTAINER OF A FRABIC DRYING MACHINE, SAID SENSOR COMPRISING: (A) A CIRCUIT BOARD HAVING A GROUND PLANE AFFIXED TO ONE SURFACE THEREOF, (B) OSCILLATOR MEANS FOR GENERATING A HIGH FREQUENCY ELECTRIC CURRENT, (1) SAID OSCILLATOR MEANS INCLUDING A MICROSTRIP LINE AFFIXED TO SAID CIRCUIT BOARD ON THE SIDE OPEPOSITE SAID GROUND PLANE AND RESONANT AT SAID HIGH FREQUENCY, (C) ANTENNA MEANS POSITIONED FOR TRANSMITTING ELECTROMAGNETIC WAVES TO THE FABRIC CONTAINER AND FOR RECEIVING THE ELECTROMAGNETIC WAVES REFLECTED THEREFROM, (D) MEANS CONNECTING SAID MICROSTRIP LINE TO SAID ANTENNA MEANS, AND (E) MEANS CONNECTED TO SAID ANTENNA FOR DETECTING THE ELECTROMAGNETIC WAVES REFLECTED FROM THE FABRIC CONTAINER.
References Cited (Backward Citations)
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US3047850A
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US3015042A
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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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |