Patent US3289202A successfully refreshed from Google Patents.
US3289202A
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Apparatus for detecting the presence of objects by electromagnetic radiation
Assignee: Societe de Fabrication dInstruments de Mesure SFIM SA
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Filing: 1964-10-12
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Granted: 1966-11-29
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Expires: 1984-10-12
Abstract
No abstract record available.
Inventors
- 👤 Preti Jean-Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:19
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/48; G01S; G01S13/00; G01S13/02; G01S13/04; G01S13/06; G01S13/08; G01S13/32; G06; G06M; G06M1/00; G06M1/08; G06M1/10; H; H03; H03K; H03K21/00; H03K21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A DETECTING APPARATUS COMPRISING, IN COMBINATION: (A) CONVEYING MEANS FOR GUIDING AN OBJECT HAVING A FLAT FACE IN A PREDETERMINED PATH PARALLEL TO SAID FACE; (B) A MICROWAVE TRANSMITTER; (C) FIRST DIRECTIONAL ANTENNA MEANS OPERATIVELY CONNECTED TO SAID TRANSMITTER AND DIRECTED TOWARD SAID PATH FOR DIRECTING AN INCIDENT BEAM OF ELECTROMAGNETIC RADIATION TOWARD A PREDETERMINED PORTION OF SAID PATH IN A DIRECTION OBLIQUELY INCLINED RELATIVE TO THE FACE OF AN OBJECT GUIDED IN SAID PORTION OF THE PATH BY SAID CONVEYING MEANS, WHEREBY SAID BEAM IS REFLECTED FROM SAID FACE IN ANOTHER DIRECTION OBLIQUELY INCLINED RELATIVE TO SAID FACE; (D) A MICROWAVE RECEIVER; (E) SECOND DIRECTIONAL ANTENNA MEANS OPERATIVELY CONNECTED OF SAID PATH FOR RECEIVING SAID REFLECTED BEAM; TION OF SAID PATH FOR RECEIVING SAID REFLECTED BEAM; AND (F) SIGNAL GENERATING MEANS CONNECTED TO SAID RECEIVER FOR GENERATING A PERCEPTIBLE SIGNAL IN RESPONSE TO THE RECEPTION OF THE REFLECTED BEAM BY SAID SECOND ANTENNA MEANS.
Claim 2
Dependent Claim
155 words
A DETECTING APPARATUS COMPRISING, IN COMBINATION: (A) CONVEYING MEANS FOR GUIDING AN OBJECT HAVING A FLAT FACE IN A PREDETERMINED PATH PARALLEL TO SAID FACE; (B) A MICROWAVE TRANSMITTER; (C) FIRST DIRECTIONAL ANTENNA MEANS OPERATIVELY CONNECTED TO SAID TRANSMITTER AND DIRECTED TOWARD SAID PATH FOR DIRECTING AN INCIDENT BEAM OF ELECTROMAGNETIC RADIATION TOWARD A PREDETERMINED PORTION OF SAID PATH IN A DIRECTION OBLIQUELY INCLINED RELATIVE TO THE FACE OF AN OBJECT GUIDED IN SAID PORTION OF THE PATH BY SAID CONVEYING MEANS, WHEREBY SAID BEAM IS REFLECTED FROM SAID FACE IN ANOTHER DIRECTION OBLIQUELY INCLINED RELATIVE TO SAID FACE; (D) A MICROWAVE RECEIVER; (E) SECOND DIRECTIONAL ANTENNA MEANS OPERATIVELY CONNECTED OF SAID PATH FOR RECEIVING SAID REFLECTED BEAM; TION OF SAID PATH FOR RECEIVING SAID REFLECTED BEAM; AND (F) SIGNAL GENERATING MEANS CONNECTED TO SAID RECEIVER FOR GENERATING A PERCEPTIBLE SIGNAL IN RESPONSE TO THE RECEPTION OF THE REFLECTED BEAM BY SAID SECOND ANTENNA MEANS.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |