US3354412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stripline termination device having a resistor that is shorter than one quarter wavelength
Assignee: EMC Technology Inc
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Filing: 1965-11-01
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Granted: 1967-11-21
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Expires: 1985-11-01
Abstract
No abstract record available.
Inventors
- 👤 Steidlitz Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:03
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/24; H01P1/26; H01P1/268; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A RESISTIVE DEVICE FOR A LINE OF STRIPLINE MICROWAVE CIRCUITRY, COMPRISING A CONDUCTIVE BODY HAVING TOP AND BOTTOM SURFACES AND A PERIPHERAL SIDE WALL, SAID CONDUCTIVE BODY HAVING A SUBSTANTIALLY WEDGE SHAPED CAVITY EXTENDING IN FROM SAID PERIPHERAL SIDE WALL, SAID CAVITY BEING OF MAXIMUM THICKNESS AT SAID PERIPHERAL SIDE WALL AND BEING SYMMETRICAL WITH RESPECT TO A PLANE INCLUDING THE APEX OF SAID WEDGE SHAPED CAVITY, A FLAT RESISTOR DISPOSED WHOLLY WITHIN SAID CAVITY ALONG SAID PLANE AND BEING CONNECTED AT ONE END TO SAID CONDUCTIVE BODY IN ELECTRICALLY CONDUCTING RELATION AT THE APEX OF SAID CAVITY, AND MEANS FOR CONNECTING THE OTHER END OF SAID RESISTOR IN ELECTRICALLY CONDUCTING RELATIONSHIP WITH STRIPLINE CIRCUITRY EXTERNAL OF SAID DEVICE, THE EFFECTIVE LENGTH OF SAID RESISTOR BEING SHORTER THAN ONE-QUATER OF THE SHORTEST WAVE LENGTH IN THE OPERATING FREQUENCY RANGE THEREOF.
Claim 2
Dependent Claim
140 words
A RESISTIVE DEVICE FOR A LINE OF STRIPLINE MICROWAVE CIRCUITRY, COMPRISING A CONDUCTIVE BODY HAVING TOP AND BOTTOM SURFACES AND A PERIPHERAL SIDE WALL, SAID CONDUCTIVE BODY HAVING A SUBSTANTIALLY WEDGE SHAPED CAVITY EXTENDING IN FROM SAID PERIPHERAL SIDE WALL, SAID CAVITY BEING OF MAXIMUM THICKNESS AT SAID PERIPHERAL SIDE WALL AND BEING SYMMETRICAL WITH RESPECT TO A PLANE INCLUDING THE APEX OF SAID WEDGE SHAPED CAVITY, A FLAT RESISTOR DISPOSED WHOLLY WITHIN SAID CAVITY ALONG SAID PLANE AND BEING CONNECTED AT ONE END TO SAID CONDUCTIVE BODY IN ELECTRICALLY CONDUCTING RELATION AT THE APEX OF SAID CAVITY, AND MEANS FOR CONNECTING THE OTHER END OF SAID RESISTOR IN ELECTRICALLY CONDUCTING RELATIONSHIP WITH STRIPLINE CIRCUITRY EXTERNAL OF SAID DEVICE, THE EFFECTIVE LENGTH OF SAID RESISTOR BEING SHORTER THAN ONE-QUATER OF THE SHORTEST WAVE LENGTH IN THE OPERATING FREQUENCY RANGE THEREOF.
References Cited (Backward Citations)
US3213392A
Cited
US3174123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |