US3087988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simulated stereophonic sound translating and recording system
Assignee: RCA Corp
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Filing: 1960-01-28
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Granted: 1963-04-30
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Expires: 1980-01-28
Abstract
No abstract record available.
Inventors
- 👤 Jack A Somer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:59
CPC Classifications
H; H04; H04S; H04S5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A SIGNAL TRANSLATING SYSTEM COMPRISING THE COMBINATION OF A SIGNAL INPUT CIRCUIT, A PAIR OF SIGNAL OUTPUT CIRCUITS, FIRST MEANS COUPLING SAID SIGNAL INPUT CIRCUIT TO SAID SIGNAL OUTPUT CIRCUITS SO THAT THE FREQUENCY RANGE OF THE SIGNALS APPLIED TO ONE OF SAID OUTPUT CIRCUITS IS DIFFERENT FROM THE FREQUENCY RANGE OF THE SIGNALS APPLIED TO THE OTHER OF SAID OUTPUT CIRCUITS, AND SECOND MEANS COUPLING SAID INPUT CIRCUIT TO SAID OUTPUT CIRCUITS FOR APPLYING SUBSTANTIALLY FULL FREQUENCY RANGE SIGNALS TO EACH OF SAID OUTPUT CIRCUITS.
Claim 2
Dependent Claim
86 words
A SIGNAL TRANSLATING SYSTEM COMPRISING THE COMBINATION OF A SIGNAL INPUT CIRCUIT, A PAIR OF SIGNAL OUTPUT CIRCUITS, FIRST MEANS COUPLING SAID SIGNAL INPUT CIRCUIT TO SAID SIGNAL OUTPUT CIRCUITS SO THAT THE FREQUENCY RANGE OF THE SIGNALS APPLIED TO ONE OF SAID OUTPUT CIRCUITS IS DIFFERENT FROM THE FREQUENCY RANGE OF THE SIGNALS APPLIED TO THE OTHER OF SAID OUTPUT CIRCUITS, AND SECOND MEANS COUPLING SAID INPUT CIRCUIT TO SAID OUTPUT CIRCUITS FOR APPLYING SUBSTANTIALLY FULL FREQUENCY RANGE SIGNALS TO EACH OF SAID OUTPUT CIRCUITS.
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |