US3320604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicator announcing system
Assignee: Lockheed Martin Corp
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Filing: 1965-02-10
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Granted: 1967-05-16
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Expires: 1985-02-10
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Baer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:28
CPC Classifications
G; G01; G01D; G01D7/00; G01D7/12; G08; G08B; G08B3/00; G08B3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
AN INDICATOR ANNOUNCING SYSTEM COMPRISING METER MEANS HAVING A MOVABLE INDICATOR, A LIGHT SOURCE ADAPTED TO PROVIDE A LIGHT BEAM, MEANS TO CHANGE THE POSITION OF SAID LIGHT BEAM PROPORTIONAL TO THE DISPLACEMENT OF SAID INDICATOR, AT LEAST ONE FILM SOUND TRACK HAVING PRERECORDED THEREON A PREDETERMINED METER POSITION OF SAID LIGHT BEAM CORRESPONDING TO SAID PREDETERMINED METER INDICATION, MEANS FOR OPTICALLY SCANNING SAID TRACK BY SAID LIGHT BEAM IN SAID PREDETERMINED POSITION THEREOF, PHOTOELECTRIC TRANSDUCER MEANS TO PROVIDE AN OUTPUT SIG-
Claim 2
Dependent Claim
82 words
AN INDICATOR ANNOUNCING SYSTEM COMPRISING METER MEANS HAVING A MOVABLE INDICATOR, A LIGHT SOURCE ADAPTED TO PROVIDE A LIGHT BEAM, MEANS TO CHANGE THE POSITION OF SAID LIGHT BEAM PROPORTIONAL TO THE DISPLACEMENT OF SAID INDICATOR, AT LEAST ONE FILM SOUND TRACK HAVING PRERECORDED THEREON A PREDETERMINED METER POSITION OF SAID LIGHT BEAM CORRESPONDING TO SAID PREDETERMINED METER INDICATION, MEANS FOR OPTICALLY SCANNING SAID TRACK BY SAID LIGHT BEAM IN SAID PREDETERMINED POSITION THEREOF, PHOTOELECTRIC TRANSDUCER MEANS TO PROVIDE AN OUTPUT SIG-
References Cited (Backward Citations)
US2054216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |