Auxiliary power for telephone distribution system

• US 5,623,531 A
• Filed: 06/22/1994
• Issued: 04/22/1997
• Est. Priority Date: 10/22/1986
• Status: Expired due to Fees

• Current Assignee: Ole K Nilssen
• Original Assignee: Ole K Nilssen
• Inventors: Nilssen, Ole K.
• Primary Examiner(s): Bost, Dwayne D.
• Assistant Examiner(s): Chernoff, Michael B.
• Application Number:
  US08/263,453
• Time in Patent Office: 1,035 Days
• Field of Search: 379/58, 379/56, 379/413, 379/418, 379/322, 379/323, 379/324, 359/109, 359/113, 359/114, 359/119, 359/120, 359/125, 359/137
• US Class Current: 379/56.2
• CPC Class Codes: H04B 2203/5437 Wired telephone
• CPC Class Codes: H04B 2203/5441 Wireless systems or telephone
• CPC Class Codes: H04B 2203/5458 Monitor sensor; Alarm systems
• CPC Class Codes: H04B 3/54 Systems for transmission via power distribution lines
• CPC Class Codes: H04M 1/725 Cordless telephones user interfaces specially adapted therefor H04M1/724
• CPC Class Codes: H04M 19/08 with current supply sources at the substations generating ringing current H04M19/04

Abstract

A telephone and auxiliary power distribution system includes an optical fiber in joint combination with one or more copper conductors to provide electric power for powering the various electronic devices associated with the optical fiber telephone distribution system.

Claims

1. An arrangement comprising:

a central telephone exchange having a pair of source terminals across which is provided a source voltage;

the central telephone exchange also being characterized by having a central optic connect means operative to connect with an optic fiber means;

plural pairs of ordinary telephone wires, each one pair being connected with the source terminals by way of a current control means exclusively dedicated to said one pair of telephone wires and functional to prevent more than a certain maximum magnitude of current from being supplied thereto;

optic fiber means connected with the central optic connect means and extending to each of plural locations outside of the central telephone exhange; and

at each of said plural locations, a telephone-type apparatus connected with one of the plural pairs of telephone wires and characterized by having a local optic connect means connected with the optic fiber means;

the telephone-type apparatus being further characterized by;

(i) being functional to convert electronic signals to optic signals and/or vice versa;

(ii) being functional to receive and/or transmit telephone signals and/or other information signals along the optic fiber means; and

(iii) drawing electric power from said one of the plural pairs of telephone wires for use in the process of converting electronic signals to optic signals and/or vice versa.

2. The arrangement of claim 1 wherein said current control means is characterized by including an input receptive of a control signal operative to control said certain maximum magnitude.

3. The arrangement of claim 1 wherein said one of the plural pairs of telephone wires is used only for transmitting electric power from the central telephone exhange to one of the plural locations.

4. An arrangement comprising:

a central telephone exchange having a pair of central source terminals across which is provided a central source voltage;

the central telephone exchange being characterized by being, or having been, adapted to function as a telephone exchange;

plural pairs of ordinary telephone wires, such as pairs of twisted copper wires;

each one pair being;

(i) connected with the central source terminals by way of an associated current control means functional to prevent more than a certain level of current from being supplied to the one pair of telephone wires;

said one pair of telephone wires being characterized by not being a coaxial cable;

(ii) used only for transmitting electric power from the central source terminals; and

plural remote locations outside of the central telephone exchange;

each remote location being characterized by having a load means connected with one of the plural pairs of telephone wires;

the load means drawing electric power from the central source terminals by way of said one of the plural pairs of telephone wires.

5. The arrangement of claim 4 wherein:

(i) a certain total number of pairs of telephone wires are connected with the central source terminals; and

(ii) most of said certain total number of pairs of telephone wires are used only for conveying electric power and not for conveying telephone signals.

6. The arrangement of claim 4 additionally characterized in that an optic fiber means is connected between the central telephone exchange and the load means at one of the plural remote locations;

which load means includes a converter means functional to convert an optical signal to an electrical signal and vice versa.

7. An arrangement comprising:

a central telephone exchange having a pair of central source terminals across which is provided a central source voltage;

the central telephone exchange being characterized by having been operative to function as a telephone exchange;

plural pairs of ordinary telephone wires, such as included in a twisted copper pair cable;

each one pair being;

(i) connected with the central source terminals by way of a current control means specifically dedicated to said one pair and functional to prevent more than a certain maximum magnitude of current from being supplied to said one pair of telephone wires;

said one pair of telephone wires being characterized by not being a coaxial cable; and

(ii) used for transmitting electric power, but not telephone signals, from the central source terminals; and

plural remote locations outside of the central telephone exchange;

each remote location having an electric-type apparatus connected with one of the plural pairs of telephone wires;

the electric-type apparatus drawing electric power from the central source terminals by way of said one of the plural pairs of telephone wires.

8. The arrangement of claim 7 additionally characterized in that the current control means is adapted to control said certain maximum magnitude of current being supplied from the central source terminals to its associated pair of telephone wires.

9. The arrangement of claim 8 yet additionally characterized in that the current control means is connected in communication with the electric-type apparatus, thereby to effectuate control of said certain maximum magnitude of current in response to a signal provided from the electric-type apparatus.

10. The arrangement of claim 9 further characterized by including optic fiber means connected between the electric-type apparatus and the current control means.

11. The arrangement of claim 7 additionally characterized in that the current control means is functional to permit current of magnitude as high as 1.0 Ampere to flow therethrough.

12. The arrangement of claim 11 yet additionally characterized in that the central source voltage is a unidirectional voltage of magnitude equal to about 100 Volt or higher.