Patent US3728648A successfully refreshed from Google Patents.
US3728648A
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US
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Power distribution network
Assignee: Lockheed Electronics Co Inc
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Filing: 1971-06-28
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Granted: 1973-04-17
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Expires: 1991-06-28
Abstract
Abstract A power distribution and control network wherein two crossed TE11 modes and a TEM mode are derived and then combined in a radial transmission line. The relative amplitudes and phases are adjusted to yield a ''''cosine-on-a-pedestal'''' amplitude distribution. Then, preserving phase of the two TE11 modes, the pair is shifted in amplitude with respect to the TEM mode, and the ''''cosine-on-a-pedestal'''' distribution is made to rotate. The resulting signal is applied to the radiators of a phased array.
Inventors
- 👤 D Lerner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:39
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/16; H01Q; H01Q3/00; H01Q3/24; H01Q3/242; H01Q3/26; H01Q3/28
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
104 words
A power distribution and control network comprising an rf directional input, means for dividing the rf input into a TEM path and a TE11 path, means for adjusting the phase and amplitude in the TE11 path to provide two outputs, the amplitudes of which are proportional to the sine and cosine functions, a power scanner consisting of a first section to which the two outputs are connected, a radial section attached to the first section, and including means in the center thereof to which the TEM path is connected, and plurality of outputs on the radial section and evenly spaced around the center thereof.
Claim 2
Dependent Claim
104 words
A power distribution and control network comprising an rf directional input, means for dividing the rf input into a TEM path and a TE11 path, means for adjusting the phase and amplitude in the TE11 path to provide two outputs, the amplitudes of which are proportional to the sine and cosine functions, a power scanner consisting of a first section to which the two outputs are connected, a radial section attached to the first section, and including means in the center thereof to which the TEM path is connected, and plurality of outputs on the radial section and evenly spaced around the center thereof.
Claim 3
Dependent Claim
35 words
The network as defined by claim 1, wherein the first section is a coaxial section, having a pair of inputs spaced 90* apart for coupling the TE11 outputs into the side of the coaxial section.
Claim 4
Dependent Claim
21 words
The network as defined by claim 2 and wherein the radial section is stepped at the junction with the coaxial section.
Claim 5
Dependent Claim
20 words
The network as defined by claim 1 and wherein the means for dividing the rf input is a directional coupler.
Claim 6
Dependent Claim
54 words
The network as defined by claim 4 and wherein the means for adjusting the phase and amplitude of the TE11 path comprises a first directional coupler, a pair of equal and opposite phase shIfters connected to the outputs of the coupler and a second directional coupler connected to the outputs of the phase shifters.
References Cited (Backward Citations)
US3165743A
Cited
US3587004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |