US4906945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Millimeter-wave/submillimeter-wave oscillator
Assignee: Panasonic Holdings Corp
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Filing: 1989-04-20
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Granted: 1990-03-06
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Expires: 2009-04-20
Abstract
Abstract There is disclosed herein a millimeter-wave/submillimeter-wave oscillator comprising a mirror and a diffraction grating so as to form a Fabry-Perot type resonator. The mirror, being a concave mirror or a plane mirror, and the diffraction grating are disposed in facing and spaced relation to each other. The diffraction grating has a plurality of channels extending in a direction normal to a surface of the mirror so that the oscillator has a comb-like configuration. A plurality of oscillation elements are mounted on portions within the channels of the diffraction grating.
Inventors
- 👤 Koji Mizuno
- 👤 Haruyoshi Endo
- 👤 Mitsuo Makimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:45
CPC Classifications
H; H03; H03B; H03B9/00; H03B9/12; H03L; H03L1/00; H03L1/02
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
53 words
An oscillator comprising: a mirror; a diffraction grating disposed in facing and spaced relation to said mirror, said diffraction grating having at least one channel extending in a direction normal to a surface of said mirror; and at least one oscillation element mounted on said diffraction grating to be positioned within said channel.
Claim 2
Dependent Claim
53 words
An oscillator comprising: a mirror; a diffraction grating disposed in facing and spaced relation to said mirror, said diffraction grating having at least one channel extending in a direction normal to a surface of said mirror; and at least one oscillation element mounted on said diffraction grating to be positioned within said channel.
Claim 3
Dependent Claim
14 words
An oscillator as claimed in claim 1, wherein said mirror is a concave mirror.
Claim 4
Dependent Claim
14 words
An oscillator as claimed in claim 1, wherein said mirror is a plane mirror.
Claim 5
Dependent Claim
32 words
An oscillator as claimed in claim 1, wherein the resonance mode is TEMoo and the resonance frequency is determined on the basis of the distance between said mirror and said diffraction grating.
Claim 6
Dependent Claim
19 words
An oscillator as claimed in claim 4, wherein the distance therebetween is above several times of the oscillation wavelength.
Claim 7
Dependent Claim
55 words
An oscillator comprising: a mirror; a diffraction grating disposed in facing and spaced relation to said mirror, said diffraction grating having at least one channel extending in a direction normal to a surface of said mirror; and a plurality of oscillation elements mounted in alignment on portions of said diffraction grating within said channel to.
Claim 8
Dependent Claim
55 words
An oscillator comprising: a mirror; a diffraction grating disposed in facing and spaced relation to said mirror, said diffraction grating having at least one channel extending in a direction normal to a surface of said mirror; and a plurality of oscillation elements mounted in alignment on portions of said diffraction grating within said channel to.
Claim 9
Dependent Claim
57 words
An oscillator comprising: a mirror; a diffraction grating disposed in facing and spaced relation to said mirror, said diffraction grating having a plurality of channels extending in a direction normal to a surface of said mirror; and a plurality of oscillation elements mounted on portions of said diffraction grating within said channels in a plurality of rows.
Claim 10
Dependent Claim
57 words
An oscillator comprising: a mirror; a diffraction grating disposed in facing and spaced relation to said mirror, said diffraction grating having a plurality of channels extending in a direction normal to a surface of said mirror; and a plurality of oscillation elements mounted on portions of said diffraction grating within said channels in a plurality of rows.
Claim 11
Dependent Claim
21 words
An oscillator as claimed in claim 7, wherein said channels are formed so that said diffraction grating has a comb-like configuration.
Claim 12
Dependent Claim
68 words
An oscillator comprising: a mirror; a diffraction grating disposed in facing and spaced relation to said mirror, said diffraction grating having at least one channel extending in a direction normal to a surface of said mirror; a plurality of oscillation elements mounted on portions of said diffraction grating within said channel; and a control circuit for applying a control signal to one of said plurality of oscillation elements.
Claim 13
Dependent Claim
68 words
An oscillator comprising: a mirror; a diffraction grating disposed in facing and spaced relation to said mirror, said diffraction grating having at least one channel extending in a direction normal to a surface of said mirror; a plurality of oscillation elements mounted on portions of said diffraction grating within said channel; and a control circuit for applying a control signal to one of said plurality of oscillation elements.
Claim 14
Dependent Claim
130 words
An oscillator as claimed in claim 9, further comprising receiving means for receiving the RF output of said oscillation elements, and wherein said control circuit comprises a reference oscillator for generating a reference oscillation signal, a frequency multiplexer coupled to said reference oscillator for multiplexing said reference oscillation signal, a mixer coupled to said receiving means and said frequency multiplexer for mixing the output of said frequency multiplexer and said RF output, a frequency divider coupled to said mixer for dividing the output of said mixer, and a phase comparator coupled to said frequency divider for comparing the output of said frequency divider in phase with the output of a temperature-compensation crystal oscillator, the output of said phase comparator being supplied to the one of said plurality of oscillation elements.
Claim 15
Dependent Claim
32 words
An oscillator as claimed in claim 10, wherein the resonance mode is TEMoo and the resonance frequency is determined on the basis of the distance between said mirror and said diffraction grating.
Claim 16
Dependent Claim
19 words
An oscillator as claimed in claim 10, wherein the distance therebetween is above several times of the oscillation wavelength.
References Cited (Backward Citations)
US4286230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-03-05 | 1993-09-04 | 1994-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-05 | 1997-09-04 | 1998-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-05 | 2001-09-04 | 2002-03-06 | $7700.00 | Window Closed / Lapsed |