US4563064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conical field-of-view radar transmitter system
Assignee: General Dynamics Mission Systems Inc
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Filing: 1982-07-30
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Granted: 1986-01-07
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Expires: 2002-07-30
Abstract
Abstract A system for providing a far field shell-like conic pattern utilizing four quadrant oriented reflective optical assemblies. The pattern from each assembly covers one quadrant sector of the pattern and provides a shell having a thickness on the order of one degree.
Inventors
- 👤 Anthony G. Garas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:46
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/48; G01S7/481; G01S7/4814; G02; G02B; G02B19/00; G02B19/0004; G02B19/0019; G02B19/0023; G02B19/0033; G02B19/0047; G02B19/0071
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
105 words
An optical transmission assembly comprising: an off-axis cylindrical mirror element adapted for illumination by an optical pencil beam; a flat mirror element oriented to receive a first reflection of said optical pencil beam from said off-axis cylindrical mirror; a spherical toric mirror element oriented to receive a second reflection of said pencil beam from said flat mirror; and a parabolic toric mirror element oriented to receive a third reflection of said pencil beam from said spherical toric mirror element, said parabolic toric mirror producing a segment of a conic-shell optical pattern having a conic half-angle in the range of from 15 degrees to 90 degrees.
Claim 2
Dependent Claim
105 words
An optical transmission assembly comprising: an off-axis cylindrical mirror element adapted for illumination by an optical pencil beam; a flat mirror element oriented to receive a first reflection of said optical pencil beam from said off-axis cylindrical mirror; a spherical toric mirror element oriented to receive a second reflection of said pencil beam from said flat mirror; and a parabolic toric mirror element oriented to receive a third reflection of said pencil beam from said spherical toric mirror element, said parabolic toric mirror producing a segment of a conic-shell optical pattern having a conic half-angle in the range of from 15 degrees to 90 degrees.
Claim 3
Dependent Claim
54 words
The optical assembly according to claim 1 further comprising: a first mounting surface; and a second mounting surface, said off-axis cylindrical mirror element and said spherical toric mirror element being mounted on said first mounting surface and said flat mirror element and said parabolic toric mirror element being mounted on said second mounting surface.
Claim 4
Dependent Claim
25 words
The optical assembly according to claim 2 wherein said first and said second mounting surfaces are mutually parallel and are facing each to the other.
Claim 5
Independent Claim
65 words
A method for generating an optical transmission pattern comprising the steps of: generating an optical pencil beam; reflecting said optical pencil beam from a cylindrical mirror to produce a first reflected beam; reflecting said first reflected beam from a spherical toric mirror to produce a second reflected beam; and reflecting said second reflected beam from a parabolic toric mirror to produce a conic-shell segment pattern.
Claim 6
Independent Claim
65 words
A method for generating an optical transmission pattern comprising the steps of: generating an optical pencil beam; reflecting said optical pencil beam from a cylindrical mirror to produce a first reflected beam; reflecting said first reflected beam from a spherical toric mirror to produce a second reflected beam; and reflecting said second reflected beam from a parabolic toric mirror to produce a conic-shell segment pattern.
Claim 7
Dependent Claim
35 words
The method according to claim 4 wherein said step of reflecting said first reflected beam further comprises: reflecting said first reflected beam from a flat mirror for reversing a direction of said first reflected beam.
Claim 8
Dependent Claim
14 words
The method according to claim 5 wherein said cylinder mirror is an off-axis mirror.
Claim 9
Dependent Claim
48 words
The method according to claim 5 wherein said parabolic toric and said flat mirrors are mounted on a first surface and said cylindrical and said spherical toric mirrors are mounted on a second surface, said first and second surfaces being in a facing relationship each to the other.
Claim 10
Dependent Claim
18 words
The method according to claim 7 wherein said first and second surfaces are parallel each to the other.
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) | 1989-01-06 | 1989-07-08 | 1990-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-06 | 1993-07-08 | 1994-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-06 | 1997-07-08 | 1998-01-07 | $7700.00 | Window Closed / Lapsed |