Patent US3979695A successfully refreshed from Google Patents.
US3979695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High order beam mode resonator
Assignee: Honeywell Inc
•
Filing: 1974-12-20
•
Granted: 1976-09-07
•
Expires: 1994-12-20
Abstract
Abstract High order resonant beam modes are generated in an open resonant cavity. The cavity is formed by reflectors which are separated from one another along an axis. Wave energy is introduced into the resonant cavity at a position which is not on the axis.
Inventors
- 👤 Clifford W. Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:04
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/08; G; G01; G01D; G01D5/00; G01D5/26; G01D5/266; G10; G10K; G10K15/00
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
56 words
Apparatus for producing beam modes, the apparatus comprising: beam resonant cavity means comprising concave curved surfaces separated from one another along an axis; and energy source means for introducing coherent wave energy having a wavelength between about 0.1 mm and about 10 cm into the beam resonant cavity means through a position not on the axis.
Claim 2
Dependent Claim
56 words
Apparatus for producing beam modes, the apparatus comprising: beam resonant cavity means comprising concave curved surfaces separated from one another along an axis; and energy source means for introducing coherent wave energy having a wavelength between about 0.1 mm and about 10 cm into the beam resonant cavity means through a position not on the axis.
Claim 3
Dependent Claim
43 words
The apparatus of claim 1 and further comprising an off-axis opening in one of the concave curved surfaces and wherein the energy source means introduces the energy into the beam resonant cavity means through said opening in one of the concave curved surfaces.
Claim 4
Dependent Claim
14 words
The apparatus of claim 1 wherein the concave curved surfaces have substantially spherical surfaces.
Claim 5
Dependent Claim
12 words
The apparatus of claim 1 wherein the wave energy is electromagnetic energy.
Claim 6
Dependent Claim
12 words
The apparatus of claim 1 wherein the wave energy is acoustic energy.
Claim 7
Dependent Claim
21 words
The apparatus of claim 1 wherein the projection of the concave surfaces on a plane perpendicular to the axis is circular.
Claim 8
Dependent Claim
22 words
The apparatus of claim 1 wherein the projection of the concave curved surfaces on a plane perpendicular to the axis is rectangular.
Claim 9
Dependent Claim
75 words
A beam mode resonator comprising: first and second reflector means for reflecting wave energy therebetween, said reflector means forming a resonant cavity, the first and second reflector means being separated from one another along an axis; and energy source means for introducing, into said resonant cavity formed by the first and second reflector means through a position spaced from the axis, coherent wave energy having a wavelength between about 0.1 mm and about 10 cm.
Claim 10
Dependent Claim
75 words
A beam mode resonator comprising: first and second reflector means for reflecting wave energy therebetween, said reflector means forming a resonant cavity, the first and second reflector means being separated from one another along an axis; and energy source means for introducing, into said resonant cavity formed by the first and second reflector means through a position spaced from the axis, coherent wave energy having a wavelength between about 0.1 mm and about 10 cm.
Claim 11
Dependent Claim
27 words
The beam mode resonator of claim 8 wherein the energy source means introduces energy through an off-axis opening in one of the first and second reflector means.
Claim 12
Dependent Claim
16 words
The beam mode resonator of claim 8 wherein the first and second reflector means are metal.
Claim 13
Dependent Claim
21 words
The beam mode resonator of claim 8 wherein the first and second reflector means have concave curved surfaces facing one another.
Claim 14
Dependent Claim
16 words
The beam mode resonator of claim 11 wherein the concave curved surfaces are substantially spherical surfaces.
Claim 15
Dependent Claim
17 words
The beam mode resonator of claim 8 wherein the first and second reflector means are substantially circular.
Claim 16
Dependent Claim
17 words
The beam mode resonator of claim 8 wherein the first and second reflector means are substantially rectangular.
Claim 17
Dependent Claim
12 words
The apparatus of claim 8 wherein the wave energy is electromagnetic energy.
Claim 18
Dependent Claim
14 words
The beam mode resonator of claim 8 wherein the wave energy is acoustic energy.
References Cited (Backward Citations)
US3466566A
Cited
US3571738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-09-07 | 1980-03-08 | 1980-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-07 | 1984-03-08 | 1984-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-07 | 1988-03-08 | 1988-09-07 | $7700.00 | Window Closed / Lapsed |