US3167681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic deflection circuit
Assignee: RCA Corp
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Filing: 1962-03-27
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Granted: 1965-01-26
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Expires: 1982-03-27
Abstract
No abstract record available.
Inventors
- 👤 Robert A Dischert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:52
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/50; H03K6/00; H04; H04N; H04N23/00; H04N23/10; H04N23/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN COMBINATION, AN ELECTROMAGNETIC DEFLECTION SYSTEM AND AN ELECTROSTATIC DEFLECTION SYSTEM, SAID ELECTROMAGNETIC DEFLECTION SYSTEM COMPRISING A DEFLECTION COIL THROUGH WHICH DEFLECTION CURRENT FLOWS, SAID CURRENT HAVING A WAVEFORM THAT HAS A FORWARD TRACE TIME PORTION AND A RETURN TIME PORTION, MEANS FOR OBTAINING FROM SAID ELECTROMAGNETIC DEFLECTION SYSTEM A VOLTAGE HAVING A FORWARD TRACE TIME PORTION AND A RETURN TIME PORTION WITH THE FORWARD TRACE TIME PORTION BEING THE SAME AS THE FORWARD TRACE TIME PORTION OF SAID CURRENT, SAID ELECTROSTATIC DEFLECTION SYSTEM COMPRISING AN ADDING CIRCUIT, CIRCUIT MEANS TO WHICH THE VOLTAGE OBTAINED FROM SAID ELECTROMAGNETIC DEFLECTION SYSTM IS APPLIED AND THROUGH WHICH THERE IS SUPPLIED TO SAID ADDING CIRCUIT A SECOND VOLTAGE HAVING A WAVEFORM IN WHICH A FORWARD TRACE TIME PORTION CORRESPONDS TO THE FORWARD TRACE TIME POR-
Claim 2
Dependent Claim
132 words
IN COMBINATION, AN ELECTROMAGNETIC DEFLECTION SYSTEM AND AN ELECTROSTATIC DEFLECTION SYSTEM, SAID ELECTROMAGNETIC DEFLECTION SYSTEM COMPRISING A DEFLECTION COIL THROUGH WHICH DEFLECTION CURRENT FLOWS, SAID CURRENT HAVING A WAVEFORM THAT HAS A FORWARD TRACE TIME PORTION AND A RETURN TIME PORTION, MEANS FOR OBTAINING FROM SAID ELECTROMAGNETIC DEFLECTION SYSTEM A VOLTAGE HAVING A FORWARD TRACE TIME PORTION AND A RETURN TIME PORTION WITH THE FORWARD TRACE TIME PORTION BEING THE SAME AS THE FORWARD TRACE TIME PORTION OF SAID CURRENT, SAID ELECTROSTATIC DEFLECTION SYSTEM COMPRISING AN ADDING CIRCUIT, CIRCUIT MEANS TO WHICH THE VOLTAGE OBTAINED FROM SAID ELECTROMAGNETIC DEFLECTION SYSTM IS APPLIED AND THROUGH WHICH THERE IS SUPPLIED TO SAID ADDING CIRCUIT A SECOND VOLTAGE HAVING A WAVEFORM IN WHICH A FORWARD TRACE TIME PORTION CORRESPONDS TO THE FORWARD TRACE TIME POR-
References Cited (Backward Citations)
US2248556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |