US3084253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuously self-calibrating differential detection system
Assignee: Barnes Engineering Co
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Filing: 1960-09-06
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Granted: 1963-04-02
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Expires: 1980-09-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Mchenry
- 👤 Robert W Astheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:23
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/28; G01J1/00; G01J1/10; G01J1/16; G01J3/46; G01J3/50; G01J3/502; G01J3/51; G01J3/52; G01J3/524; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/27; G01N21/274; G01J1/42; G01J2001/4242; G01J3/2823; G01J2003/2826; G01J3/02; G01J3/0205; G01J3/0232; G01J3/501; G01J5/00; G01J5/60; G01J5/602; G01J5/80; G01N21/31; G01N21/314; G01N2021/317; G01N21/35; G01N21/3504; G01N2021/3531
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AN AUTOCALIBRATING COMPARISON RADIOMETER FOR MEASURING CHANGES IN OBJECTS, WHICH CHANGES AFFECT THE NATURE OF OPTICAL RADIATIONS FROM SAID OBJECTS, COMPRISING, IN COMBINATION AND IN OPTICAL ALIGNMENT, MEANS FOR COLLECTING AT LEAST ONE RADIATION BEAM FROM SAID OBJECT, SPECTRALLY SELECTIVE ELEMENTS IN SAID BEAM HAVING RESPONSES IN A NARROW WAVELENGTH BAND INCLUDING A WAVELENGTH IN WHICH CHANGES OF THE OBJECT CHARACTERISTICS PRODUCE MARKED RADIATION CHANGES, AT LEAST ONE REFERENCE RADIATION SOURCE, MEANS FOR PRODUCING A BEAM OF RADIATION THEREFROM, RADIATION DETECTING MEANS PRODUCING ELECTRIC SIGNALS, AND INCLUDING ELECTRONIC AMPLIFYING AND PROCESSING CIRCUITS THEREFOR, SAID DETECTING MEANS RECEIVING RADIATION FROM SAID BEAMS, MEANS FOR INTERRUPTING THE RADIATION IN THE BEAMS AT A PREDETERMINED FREQUENCY, MEANS FOR INTERRUPTING BEAMS FROM SAID REFERENCE SOURCE AT A
Claim 2
Dependent Claim
123 words
AN AUTOCALIBRATING COMPARISON RADIOMETER FOR MEASURING CHANGES IN OBJECTS, WHICH CHANGES AFFECT THE NATURE OF OPTICAL RADIATIONS FROM SAID OBJECTS, COMPRISING, IN COMBINATION AND IN OPTICAL ALIGNMENT, MEANS FOR COLLECTING AT LEAST ONE RADIATION BEAM FROM SAID OBJECT, SPECTRALLY SELECTIVE ELEMENTS IN SAID BEAM HAVING RESPONSES IN A NARROW WAVELENGTH BAND INCLUDING A WAVELENGTH IN WHICH CHANGES OF THE OBJECT CHARACTERISTICS PRODUCE MARKED RADIATION CHANGES, AT LEAST ONE REFERENCE RADIATION SOURCE, MEANS FOR PRODUCING A BEAM OF RADIATION THEREFROM, RADIATION DETECTING MEANS PRODUCING ELECTRIC SIGNALS, AND INCLUDING ELECTRONIC AMPLIFYING AND PROCESSING CIRCUITS THEREFOR, SAID DETECTING MEANS RECEIVING RADIATION FROM SAID BEAMS, MEANS FOR INTERRUPTING THE RADIATION IN THE BEAMS AT A PREDETERMINED FREQUENCY, MEANS FOR INTERRUPTING BEAMS FROM SAID REFERENCE SOURCE AT A
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |