US3639857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planar-type resonator circuit
Assignee: Hitachi Ltd
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Filing: 1970-07-30
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Granted: 1972-02-01
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Expires: 1990-07-30
Abstract
Abstract A planar-type resonator circuit comprising a conductive plate and a resonating conductive plate provided on said conductive plate in face-to-face fashion with a dielectric layer disposed therebetween, said resonating conductive plate having an input portion on one end and an output portion on the other end and also having decreasing widths towards the ends.
Inventors
- 👤 Takanori Okoshi
- 👤 Masatoshi Migitaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:11
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/08; H01P7/082; H01P7/084; H03; H03B; H03B9/00; H03B9/12; H03B9/14; H03B9/147; H10; H10W; H10W44/00; H10W44/20; H03B2009/126; H10W44/226; H10W44/234
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
66 words
A planar type resonator circuit comprising at least one conductive base plate, a dielectric layer disposed on said baseplate and a resonating conductive plate formed in a parallelogrammic shape provided on said dielectric layer, said resonating conductive plate being provided with at least an input and an output portion at diametrically opposite corners of said plate, and means for applying high-frequency energy to said input portion.
Claim 2
Dependent Claim
66 words
A planar type resonator circuit comprising at least one conductive base plate, a dielectric layer disposed on said baseplate and a resonating conductive plate formed in a parallelogrammic shape provided on said dielectric layer, said resonating conductive plate being provided with at least an input and an output portion at diametrically opposite corners of said plate, and means for applying high-frequency energy to said input portion.
Claim 3
Dependent Claim
60 words
A planar type resonator circuit according to claim 1, wherein said means for applying high-frequency energy to said input portion includes a solid state oscillating element electrically coupled between a corner of said resonating conductive plate and said baseplate, said resonating conductive plate and said baseplate being provided with terminals for applying a DC bias voltage to said oscillating element.
Claim 4
Dependent Claim
63 words
A planar type resonator circuit according to claim 1, wherein one portion of said conductive baseplate adjacent said resonating conductive plate is removed and a movable conductor is provided in this portion in closely spaced relationship to said resonating conductive plate, whereby the distance between said movable conductor and said resonating conductive plate serves to adjust the resonant frequency of the resonator circuit.
Claim 5
Dependent Claim
26 words
A planar type resonator circuit according to claim 1, wherein said resonating conductive plate is provided between two conductive baseplates with respective dielectric layers disposed therebetween.
Claim 6
Dependent Claim
35 words
A planar type resonator circuit according to claim 2, wherein said resonating conductive plate is in the form of a parallelogram having a pair of opposite corners removed to form said input and output portions.
Claim 7
Dependent Claim
26 words
A planar type resonator circuit according to claim 5, wherein said resonating conductive plate is a square conductive plate having a pair of opposite corners removed.
Claim 8
Dependent Claim
35 words
A planar type resonator circuit according to claim 6, wherein said square-shaped resonating conductive plate is further provided with a solid state oscillating element at least at one of the remaining corners of said square.
Claim 9
Dependent Claim
20 words
A planar type resonator circuit according to claim 1, wherein said resonating conductive plate is formed in a square shape.
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) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |