US4583055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spatial power combiner
Assignee: Raytheon Co
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Filing: 1983-12-28
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Granted: 1986-04-15
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Expires: 2003-12-28
Abstract
Abstract The spatial power combiner disclosed here is used to efficiently combine the power sources, which incorporate two-terminal negative resistance devices, in a coherent manner such that a high power output with a stable and definite frequency and phase is obtained, the sources to be combined being arranged in an array configuration.
Inventors
- 👤 Huan-Chun Yen
- 👤 Danilo Radovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:39
CPC Classifications
H; H03; H03B; H03B9/00; H03B9/12; H03B9/14; H03B9/143
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
113 words
A spatial power combiner for efficiently combining a plurality of power sources, comprising: oscillation means including a plurality of two-terminal negative resistance devices for producing free running oscillation energy from each of said negative resistance devices; a waveguide array having separate waveguide sections, each section including one of said negative resistance devices, said sections having interelement separation and individual radiation patterns resulting in an array main beam lobe having a relatively small bandwidth compared to array element bandwidth when phase synchronized; and phase synchronization means including an injection signal source producing injection signal energy coupled to each of said negative resistance devices for synchronizing said free running oscillation energy generated by said devices.
Claim 2
Dependent Claim
113 words
A spatial power combiner for efficiently combining a plurality of power sources, comprising: oscillation means including a plurality of two-terminal negative resistance devices for producing free running oscillation energy from each of said negative resistance devices; a waveguide array having separate waveguide sections, each section including one of said negative resistance devices, said sections having interelement separation and individual radiation patterns resulting in an array main beam lobe having a relatively small bandwidth compared to array element bandwidth when phase synchronized; and phase synchronization means including an injection signal source producing injection signal energy coupled to each of said negative resistance devices for synchronizing said free running oscillation energy generated by said devices.
Claim 3
Dependent Claim
24 words
The spatial power combiner according to claim 1, wherein said injection signal source is coupled to said negative resistance devices producing master-slave injection locking.
Claim 4
Dependent Claim
56 words
The spatial power combiner according to claim 5, wherein said waveguide array includes a master waveguide section in which said injection signal source is disposed, said phase synchronization means including means for coupling said injection signal energy from said master waveguide section to the other of said waveguide sections for synchronizing said free running oscillation energy.
Claim 5
Dependent Claim
24 words
The spatial power combiner according to claim 1, wherein said injection signal source is coupled to said negative resistance device producing illumination injection locking.
Claim 6
Dependent Claim
28 words
The spatial power combiner according to claim 2, wherein said waveguide array includes an input end, and wherein said injection signal energy is directed at said input end.
Claim 7
Dependent Claim
35 words
The spatial power combiner according to claim 6, wherein said waveguide sections have parallel longitudinal axes, and wherein said injection signal energy is directed at a predetermined acute angle with respect to said longitudinal axes.
Claim 8
Dependent Claim
54 words
The spatial power combiner according to claim 7, also comprising a collecting aperture means disposed at approximately said predetermined acute angle with respect to said longitudinal axes on the side thereof opposite said injection signal source for collecting coherently combined output power exiting said waveguide array in the form of said main beam lobe.
Claim 9
Dependent Claim
25 words
The spatial power combiner according to claim 1, wherein said injection signal source is coupled to said negative resistance devices producing illuminated subreflector injection locking.
Claim 10
Dependent Claim
62 words
The spatial power combiner according to claim 3, also comprising a primary reflector and wherein said waveguide array includes an input end having a convex subreflector through which ouptut power from said negative resistance devices propagates toward a concave surface of said primary reflector, said injection signal energy from said injection signal source being directed toward said waveguide array through said subreflector.
Claim 11
Dependent Claim
33 words
The spatial power combiner according to claim 9, wherein said injection signal energy propagates through an aperture in said primary reflector at its axis and parallel to said axes of said waveguide array.
Claim 12
Dependent Claim
38 words
The spatial power combiner according to claim 9, wherein said primary reflector is a portion of a parent paraboloid configuration and said injection signal energy propagates toward said waveguide array and of said axes of said waveguide array.
Claim 13
Dependent Claim
24 words
The spatial power combiner according to claim 1, wherein said injection signal source is coupled to said negative resistance devices producing coupler-coupled injection locking.
Claim 14
Dependent Claim
39 words
The spatial power combiner according to claim 4, also comprising crossguide coupler means into which said injection signal energy is introduced, said crossguide coupler means being coupled to said waveguide sections for said synchronizing said free running oscillation energy.
Claim 15
Dependent Claim
30 words
The spatial power combiner according to claim 12, wherein said crossguide coupler means includes a plurality of crossguide coupler members each coupled to an associated one of said waveguide sections.
References Cited (Backward Citations)
US3393375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-14 | 1989-10-14 | 1990-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-14 | 1993-10-14 | 1994-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-14 | 1997-10-14 | 1998-04-15 | $7700.00 | Window Closed / Lapsed |