Patent US5014028A successfully refreshed from Google Patents.
Patent US3301950A successfully refreshed from Google Patents.
US3301950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modulated light source for electrooptical analysis of spectral lines
Assignee: Individual
•
Filing: 1964-10-26
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Granted: 1967-01-31
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Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 Radames K H Gebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:55
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/02; G01J3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A SYSTEM FOR TRANSMITTING SPECTROGRAPHIC INFORMATION COMPRISING: A SOURCE OF SUBSTANTIALLLY COLLIMATED LIGHT, OSCILLATOR MEANS COUPLED TO SAID SOURCE FOR ALTERNATELY INCREASING AND DECREASING THE BRIGHTNESS OF THE LIGHT ABOUT A MEAN LEVEL AT A HIGH FREQUENCY CARRIER RATE, MASKING MEANS AT THE VIEWING SURFACE END OF SAID SOURCE OPAQUE TO SAID LIGHT EXCEPT ALONG A NARROW OBLONG SLIT THEREIN, A SPECTROGRAM IN THE FORM OF A PHOTOGRAPHIC FILM DISPOSED TO BE ILLUMINATED BY LIGHT PASSING THROUGH SAID SLIT, SAID FILM HAVING A WAVELENGTH AXIS PERPENDICULAR TO THE MAJOR AXIS OF SAID SLIT AND INCLUDING SPECTRAL LINES PERPENDICULAR TO SAID WAVELENGTH AXIS, TRANSDUCER MEANS FOR CONVERTING LIGHT INPUT THERETO INTO AN ELECTRICAL SIGNAL PROPORTIONAL TO THE LIGHT INTENSITY, SLIT MEANS PLACED BETWEEN SAID FILM AND SAID TRANSDUCER MEANS FOR IMAGING THE ILLUMINATED SPECTRAL LINES ON SAID TRANSDUCER MEANS, MEANS FOR MOVING SAID FILM RELATIVE TO SAID SLIT MEANS AT CONSTANT SPEED AND IN THE DIRECTION OF SAID WAVELENGTH AXIS, WHEREBY SAID ELECTRICAL SIGNALS AT THE OUTPUT OF SAID TRANSDUCER MEANS ARE AMPLITUDE MODULATED ACCORDING TO THE FREQUENCY DIS-
Claim 2
Independent Claim
178 words
A SYSTEM FOR TRANSMITTING SPECTROGRAPHIC INFORMATION COMPRISING: A SOURCE OF SUBSTANTIALLLY COLLIMATED LIGHT, OSCILLATOR MEANS COUPLED TO SAID SOURCE FOR ALTERNATELY INCREASING AND DECREASING THE BRIGHTNESS OF THE LIGHT ABOUT A MEAN LEVEL AT A HIGH FREQUENCY CARRIER RATE, MASKING MEANS AT THE VIEWING SURFACE END OF SAID SOURCE OPAQUE TO SAID LIGHT EXCEPT ALONG A NARROW OBLONG SLIT THEREIN, A SPECTROGRAM IN THE FORM OF A PHOTOGRAPHIC FILM DISPOSED TO BE ILLUMINATED BY LIGHT PASSING THROUGH SAID SLIT, SAID FILM HAVING A WAVELENGTH AXIS PERPENDICULAR TO THE MAJOR AXIS OF SAID SLIT AND INCLUDING SPECTRAL LINES PERPENDICULAR TO SAID WAVELENGTH AXIS, TRANSDUCER MEANS FOR CONVERTING LIGHT INPUT THERETO INTO AN ELECTRICAL SIGNAL PROPORTIONAL TO THE LIGHT INTENSITY, SLIT MEANS PLACED BETWEEN SAID FILM AND SAID TRANSDUCER MEANS FOR IMAGING THE ILLUMINATED SPECTRAL LINES ON SAID TRANSDUCER MEANS, MEANS FOR MOVING SAID FILM RELATIVE TO SAID SLIT MEANS AT CONSTANT SPEED AND IN THE DIRECTION OF SAID WAVELENGTH AXIS, WHEREBY SAID ELECTRICAL SIGNALS AT THE OUTPUT OF SAID TRANSDUCER MEANS ARE AMPLITUDE MODULATED ACCORDING TO THE FREQUENCY DIS-
References Cited (Backward Citations)
US3224322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |