Patent US2408842A successfully refreshed from Google Patents.
Patent US3717813A successfully refreshed from Google Patents.
US3717813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplifier station
Assignee: GTE Sylvania Inc
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Filing: 1971-04-01
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Granted: 1973-02-20
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Expires: 1991-04-01
Abstract
Abstract An amplifier station for community antenna television (CATV) signal distribution systems is shown. The amplifier station includes an enclosed housing with ports for connection to trunk and distribution cables. A chassis is disposed within the housing and includes a base plate carrying a number of radio frequency terminals. Modules carrying mating connectors are plugged into the radio frequency terminals.
Inventors
- 👤 D Lieberman
- 👤 R Neuber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:15
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/10; H04N7/102
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
336 words
An amplifier station for amplifying radio frequency (RF) signals transmitted via a cable transmission system comprising: an enclosed housing having a plurality of ports each adapted to be coupled to cable segments; a base plate and a power source disposed within said housing and fixedly attached thereto; a plurality of RF terminals mounted on said base plate; a plurality of RF connectors each mounted in said housing adjacent corresponding ones of said ports for connection to signal carrying conductors of said cable segments connected to said ports; means electrically connecting a first one of said RF connectors to a first one of said RF terminals, a second one of said RF terminals to a third one of said RF terminals, a fourth one of said RF terminals to a fifth one of said RF terminals, a sixth one of said RF terminals to a seventh one of said RF terminals, an eighth one of said RF terminals to a ninth one of said RF terminals, and a 10th one of said RF terminals to a second one of said RF connectors; first and second electrical connectors mounted in corresponding openings in said base plate; means electrically connecting said power source to said first and second electrical connectors; a first module for amplifying RF signals in a predetermined frequency range, said first module carrying on one edge thereof two RF mating connectors and a first electrical mating connector for pluggable engagement with said third and sixth RF terminals and said first electrical connector, respectively; a second module carrying on one edge thereof two RF mating connectors and a second electrical mating connector for pluggable engagement with said fifth and eighth RF terminals and said second electrical connector, respectively; a first signal coupling module carrying on one edge thereof RF mating connectors for pluggable engagement with said first, second, and fourth RF terminals; and a second signal coupling module carrying on one edge thereof RF mating connectors for pluggable engagement with said seventh, ninth, and 10th RF terminals.
Claim 2
Dependent Claim
336 words
An amplifier station for amplifying radio frequency (RF) signals transmitted via a cable transmission system comprising: an enclosed housing having a plurality of ports each adapted to be coupled to cable segments; a base plate and a power source disposed within said housing and fixedly attached thereto; a plurality of RF terminals mounted on said base plate; a plurality of RF connectors each mounted in said housing adjacent corresponding ones of said ports for connection to signal carrying conductors of said cable segments connected to said ports; means electrically connecting a first one of said RF connectors to a first one of said RF terminals, a second one of said RF terminals to a third one of said RF terminals, a fourth one of said RF terminals to a fifth one of said RF terminals, a sixth one of said RF terminals to a seventh one of said RF terminals, an eighth one of said RF terminals to a ninth one of said RF terminals, and a 10th one of said RF terminals to a second one of said RF connectors; first and second electrical connectors mounted in corresponding openings in said base plate; means electrically connecting said power source to said first and second electrical connectors; a first module for amplifying RF signals in a predetermined frequency range, said first module carrying on one edge thereof two RF mating connectors and a first electrical mating connector for pluggable engagement with said third and sixth RF terminals and said first electrical connector, respectively; a second module carrying on one edge thereof two RF mating connectors and a second electrical mating connector for pluggable engagement with said fifth and eighth RF terminals and said second electrical connector, respectively; a first signal coupling module carrying on one edge thereof RF mating connectors for pluggable engagement with said first, second, and fourth RF terminals; and a second signal coupling module carrying on one edge thereof RF mating connectors for pluggable engagement with said seventh, ninth, and 10th RF terminals.
Claim 3
Dependent Claim
336 words
An amplifier station for amplifying radio frequency (RF) signals transmitted via a cable transmission system comprising: an enclosed housing having a plurality of ports each adapted to be coupled to cable segments; a base plate and a power source disposed within said housing and fixedly attached thereto; a plurality of RF terminals mounted on said base plate; a plurality of RF connectors each mounted in said housing adjacent corresponding ones of said ports for connection to signal carrying conductors of said cable segments connected to said ports; means electrically connecting a first one of said RF connectors to a first one of said RF terminals, a second one of said RF terminals to a third one of said RF terminals, a fourth one of said RF terminals to a fifth one of said RF terminals, a sixth one of said RF terminals to a seventh one of said RF terminals, an eighth one of said RF terminals to a ninth one of said RF terminals, and a 10th one of said RF terminals to a second one of said RF connectors; first and second electrical connectors mounted in corresponding openings in said base plate; means electrically connecting said power source to said first and second electrical connectors; a first module for amplifying RF signals in a predetermined frequency range, said first module carrying on one edge thereof two RF mating connectors and a first electrical mating connector for pluggable engagement with said third and sixth RF terminals and said first electrical connector, respectively; a second module carrying on one edge thereof two RF mating connectors and a second electrical mating connector for pluggable engagement with said fifth and eighth RF terminals and said second electrical connector, respectively; a first signal coupling module carrying on one edge thereof RF mating connectors for pluggable engagement with said first, second, and fourth RF terminals; and a second signal coupling module carrying on one edge thereof RF mating connectors for pluggable engagement with said seventh, ninth, and 10th RF terminals.
Claim 4
Dependent Claim
336 words
An amplifier station for amplifying radio frequency (RF) signals transmitted via a cable transmission system comprising: an enclosed housing having a plurality of ports each adapted to be coupled to cable segments; a base plate and a power source disposed within said housing and fixedly attached thereto; a plurality of RF terminals mounted on said base plate; a plurality of RF connectors each mounted in said housing adjacent corresponding ones of said ports for connection to signal carrying conductors of said cable segments connected to said ports; means electrically connecting a first one of said RF connectors to a first one of said RF terminals, a second one of said RF terminals to a third one of said RF terminals, a fourth one of said RF terminals to a fifth one of said RF terminals, a sixth one of said RF terminals to a seventh one of said RF terminals, an eighth one of said RF terminals to a ninth one of said RF terminals, and a 10th one of said RF terminals to a second one of said RF connectors; first and second electrical connectors mounted in corresponding openings in said base plate; means electrically connecting said power source to said first and second electrical connectors; a first module for amplifying RF signals in a predetermined frequency range, said first module carrying on one edge thereof two RF mating connectors and a first electrical mating connector for pluggable engagement with said third and sixth RF terminals and said first electrical connector, respectively; a second module carrying on one edge thereof two RF mating connectors and a second electrical mating connector for pluggable engagement with said fifth and eighth RF terminals and said second electrical connector, respectively; a first signal coupling module carrying on one edge thereof RF mating connectors for pluggable engagement with said first, second, and fourth RF terminals; and a second signal coupling module carrying on one edge thereof RF mating connectors for pluggable engagement with said seventh, ninth, and 10th RF terminals.
Claim 5
Dependent Claim
56 words
An amplifier station as defined in claim 1 wherein said housing includes first and second heat sinks positioned adjacent corresponding openings in said base plate for physically contacting said first and second modules, respectively, whereby heat generated by electronic components in said first and second modules is conducted to said first and second heat sinks, respectively.
Claim 6
Dependent Claim
48 words
An amplifier station as defined in claim 1 wherein said second module performs one of the functions of amplifying RF signals within said predetermined frequency range, amplifying RF signals in a frequency range other than said predetermined frequency range, and detecting the presence and absence of predetermined signals.
Claim 7
Dependent Claim
40 words
An amplifier station as defined in claim 1 wherein said second module is for amplifying RF signals in a frequency range other than said predetermined frequency range, and said first and second signal coupling modules each include a diplex filter.
Claim 8
Dependent Claim
139 words
An amplifier station as defined in claim 1 including means, including a directional coupler fixedly attached to said base plate, for electrically connecting said sixth RF terminal to an eleventh one of said RF terminals, said directional coupler for tapping-off a portion of the signals flowing between said sixth RF terminal and said second RF connector; a third electrical connector mounted in a corresponding opening in said base plate; means electrically connecting said power source to said third electrical connEctor and said third electrical connector to at least one of said first and second electrical connectors; and a third module for providing at least one gain control signal, said third module carrying on one edge thereof an RF mating connector and an electrical mating connector for pluggable engagement with said eleventh RF terminal and said third electrical connector, respectively.
Claim 9
Dependent Claim
195 words
An amplifier station as defined in claim 1 including a set of said RF terminals connected to corresponding ones of said RF connectors; a signal splitter module carrying on one edge thereof at least two RF mating connectors for pluggable engagement with an 11th one of said RF terminals and at least one of said RF terminals of said set of RF terminals; means, including a directional coupler fixedly attached to said base plate for electrically coupling said sixth RF terminal to a twelfth one of said RF terminals, said directional coupler for tapping-off a portion of the signals flowing between said sixth RF terminal and said second RF connector; means electrically connecting a thirteenth one of said RF terminals to said 11th RF terminal; a third electrical connector mounted in a corresponding opening in said base plate; means electrically connecting said power source to said third electrical connector; and a third module for amplifying RF signals, said third module carrying on one edge thereof first and second RF mating connectors for pluggable engagement with said 12th and thirteenth RF terminals, respectively, and an electrical mating connector for pluggable engagement with said third electrical connector.
Claim 10
Dependent Claim
147 words
An amplifier station as defined in claim 6 including a fourth electrical connector mounted in a corresponding opening in said base plate; means electrically connecting said power source to said fourth electrical connector and said fourth electrical connector to at least one of said first and second electrical connectors; and a fourth module for providing at least one gain control signal, said fourth module carrying on one edge thereof an RF mating connector and an electrical mating connector for pluggable engagement with a fourteenth one of said RF terminals and said fourth electrical connector, respectively, said means for electrically coupling said sixth RF terminal to a 12th one of said RF terminals including a signal splitter connected between said directional coupler and said 12th RF terminal for splitting the signal from said directional coupler and coupling a portion to each of said twelfth and fourteenth RF terminals.
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) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |