US4947459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiber optic link noise measurement and optimization system
Assignee: BALTIMORE EDUCATIONAL FOUNDATION, University of
•
Filing: 1988-11-25
•
Granted: 1990-08-07
•
Expires: 2008-11-25
Abstract
Abstract Apparatus for optimizing system performance for use in a transmission and signal distribution system which includes at least one fiber optic link having transmission and receiving means. The apparatus includes apparatus for measuring noise signals in each fiber optic link and apparatus for generating system performance data corresponding to the noise signals measured by the noise measurement apparatus.
Inventors
- 👤 Larry A. Nelson
- 👤 James W. Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:41
CPC Classifications
H; H04; H04B; H04B10/00; H04B10/07; H04B10/075; H04B10/079; H04B10/0799; H04B10/0793; H04B10/0795; H04B10/07953; H04B10/60; H04B10/66; H04B10/67; H04B10/676
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
207 words
Apparatus for optimizing system performance for use in an FM transmission and signal distribution system which includes at least two fiber optic links both having an output and an input, wherein the transmission and signal distribution system includes a transmitter, comprising: (a) means for measuring noise signals coupled to the at least two fiber optic link outputs; (b) controlling means coupled to the noise measuring means including: (i) means for generating system performance data proportional to the noise signals measured by the noise measurement means wherein the performance data generated includes data pertaining to fiber optic link loss in the at least two fiber optic links, (ii) means for comparing data pertaining to fiber optic link loss in at least two fiber optic links wherein the comparing means determines the optimum fiber optic link based on the fiber optic link loss data, and provides a comparison control signal consistent therewith; (c) means for storing the generated performance data including the data pertaining to fiber optic link loss, wherein the storing means is coupled to the control means; and (d) means coupled to the control means and responsive to the comparison control signal for routing signals according to comparisons of the data pertaining to fiber optic link loss.
Claim 2
Dependent Claim
207 words
Apparatus for optimizing system performance for use in an FM transmission and signal distribution system which includes at least two fiber optic links both having an output and an input, wherein the transmission and signal distribution system includes a transmitter, comprising: (a) means for measuring noise signals coupled to the at least two fiber optic link outputs; (b) controlling means coupled to the noise measuring means including: (i) means for generating system performance data proportional to the noise signals measured by the noise measurement means wherein the performance data generated includes data pertaining to fiber optic link loss in the at least two fiber optic links, (ii) means for comparing data pertaining to fiber optic link loss in at least two fiber optic links wherein the comparing means determines the optimum fiber optic link based on the fiber optic link loss data, and provides a comparison control signal consistent therewith; (c) means for storing the generated performance data including the data pertaining to fiber optic link loss, wherein the storing means is coupled to the control means; and (d) means coupled to the control means and responsive to the comparison control signal for routing signals according to comparisons of the data pertaining to fiber optic link loss.
Claim 3
Dependent Claim
159 words
Apparatus for optimizing system performance for use in FM transmission and signal distribution system which includes at least one fiber optic link having an output and an input, wherein the transmission and signal distribution system includes a transmitter, comprising: (a) means for measuring noise signals coupled to the output of the at least one fiber optic link; (b) controlling means coupled to the noise measuring means, including: (i) means for generating system performance data proportional to the noise signals measured by the noise measurement means wherein the performance data generated includes data pertaining to fiber optic link loss and wherein the performance data generated includes data pertaining to transmitter power, (ii) means for controlling the transmission power level wherein the transmission power level controlling means provides transmission control signals to the transmitter and wherein the transmission control signals are consistent with the generated performance data; and (c) means coupled to the controlling means for storing the generated performance data.
Claim 4
Dependent Claim
159 words
Apparatus for optimizing system performance for use in FM transmission and signal distribution system which includes at least one fiber optic link having an output and an input, wherein the transmission and signal distribution system includes a transmitter, comprising: (a) means for measuring noise signals coupled to the output of the at least one fiber optic link; (b) controlling means coupled to the noise measuring means, including: (i) means for generating system performance data proportional to the noise signals measured by the noise measurement means wherein the performance data generated includes data pertaining to fiber optic link loss and wherein the performance data generated includes data pertaining to transmitter power, (ii) means for controlling the transmission power level wherein the transmission power level controlling means provides transmission control signals to the transmitter and wherein the transmission control signals are consistent with the generated performance data; and (c) means coupled to the controlling means for storing the generated performance data.
References Cited (Backward Citations)
SU1007208A1
Cited
US4637072A
Cited
JPS6096040A
Cited
DE3340428A1
Cited
JPS60139036A
Cited
JPS60144032A
Cited
JPS60144031A
Cited
JPS6239935A
Cited
JPS6295034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-08-06 | 1994-02-05 | 1994-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-06 | 1998-02-05 | 1998-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-06 | 2002-02-05 | 2002-08-07 | $7700.00 | Window Closed / Lapsed |