Patent US417879A successfully refreshed from Google Patents.
US4127784A
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Light activated solid state microwave generators
Assignee: Verizon Laboratories Inc
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Filing: 1977-01-06
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Granted: 1978-11-28
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Expires: 1997-01-06
Abstract
Abstract A light activated solid state microwave generator capable of providing radio frequency pulse bursts includes a plurality of optoelectronic switches arranged on a common substrate for simultaneous activation thereof and a plurality of distributed transmission lines connected in series and properly terminated by the switches upon activation by light.
Inventors
- 👤 Joseph M. Proud, Jr.
- 👤 Scott L. Norman
- 👤 Charles N. Fallier, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:43
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/53; G; G02; G02B; G02B6/00; G02B6/24; G02B6/42; G02B6/4295; H03K17/00; H03K17/51; H03K17/78
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
110 words
A light activated solid state microwave switching generator comprising: a. a plurality of semiconductor optoelectronic switches disposed on a substrate for simultaneous activation by a source of light; b. a radio frequency transmission line coupled to each said switch and disposed proximate thereto; each said transmission line being serially connected upon activation of said switches; c. means for coupling a DC voltage to each said transmission line; d. electrically conductive shorting means, said shorting means being connected to one end of said serially connected transmission line upon activation of said switches; and e. means connected to the other end of said serially connected transmission line for obtaining an output signal.
Claim 2
Dependent Claim
110 words
A light activated solid state microwave switching generator comprising: a. a plurality of semiconductor optoelectronic switches disposed on a substrate for simultaneous activation by a source of light; b. a radio frequency transmission line coupled to each said switch and disposed proximate thereto; each said transmission line being serially connected upon activation of said switches; c. means for coupling a DC voltage to each said transmission line; d. electrically conductive shorting means, said shorting means being connected to one end of said serially connected transmission line upon activation of said switches; and e. means connected to the other end of said serially connected transmission line for obtaining an output signal.
Claim 3
Dependent Claim
21 words
A light activated solid state microwave switching generator according to claim 1 wherein said substrate is a high resistivity semiconducting medium.
Claim 4
Dependent Claim
35 words
A light activated solid state microwave switching generator according to claim 2 wherein said radio frequency transmission line is a distributed parameter transmission line utilizing said substrate to assist in providing the required transit times.
Claim 5
Dependent Claim
18 words
A light activated solid state microwave switching generator according to claim 2 wherein said substrate medium is silicon.
Claim 6
Dependent Claim
39 words
A light activated solid state microwave switching generator according to claim 1 wherein said substrate is a semiconducting medium and said radio frequency transmission lines are distributed parameter transmission lines utilizing said medium to provide the required transit times.
Claim 7
Dependent Claim
33 words
A light activated solid state microwave switching generator according to claim 1 wherein said optoelectric switches are adapted to be activated by light in the range of approximately 3000 to 6000 Angstroms (A°).
Claim 8
Dependent Claim
31 words
A light activated solid state microwave switching generator according to claim 1 wherein said voltage coupling means couples said DC voltage of given polarity to each said transmission line in parallel.
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) | 1981-11-27 | 1982-05-29 | 1982-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-27 | 1986-05-29 | 1986-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-27 | 1990-05-29 | 1990-11-28 | $7700.00 | Window Closed / Lapsed |