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US5343314A Expired / Lapsed US ⏱️ 0.0 years remaining

Optical fiber communication method and multimedia optical fiber network using the same

Assignee: Canon Inc
•
Filing: 1992-06-12
•
Granted: 1994-08-30
•
Expires: 2012-06-12
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Abstract

Abstract The present invention discloses an optical fiber communication system for an optical network in which a plurality-of types of communication terminal equipments are connected to one another via optical fibers, the optical fiber communication system, being consisting of the steps: conducting wavelength multiplexing using at least three wavelengths, allotting a first optical wavelength to a packet switched communication of a distribution control system, allotting a second optical wavelength to a line switched communication of a time division multiplexing system, allotting the residual optical wavelength to a line switched communication by an optical, wavelength allotment system, and conducting a control of the line switched communication of the time division multiplexing system using the second optical wavelength and the line switched communication by the optical wavelength allotment using the residual optical wavelength, this control being conducted by using the packet switched communication using the first optical wavelength. The present invention further discloses an optical network having an optical network control unit to which the optical fiber communication system is applied, an optical network having no optical network control unit, a terminal equipment forming the optical network, and an optical network control unit.

Inventors

  • 👤 Kenji Nakamura
  • 👤 Masao Majima
  • 👤 Noboru Yamamoto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 04:11
CPC Classifications
H; H04; H04J; H04J14/00; H04J14/02; H04J14/0278; H04J14/028; H04J14/0226; H04J14/0227; H04J14/0241; H04J14/0242; H04J14/0245; H04J14/0246; H04J14/0247; H04J14/0249; H04J14/025; H04J14/0252; H04J14/0282

Claims Analysis

Total Claims: 88
Claim 1
Independent Claim 95 words
A data terminal, connected to an optical fiber network, for conducting a circuit switching communication via said optical fiber, comprising: first communication means for conducting a packet switching communication with another data terminal using a first optical wavelength; second communication means for conducting the circuit switching communication with another data terminal using a second optical wavelength: storage means for storing a state of the circuit switching communication using said second optical wavelength; and control means for controlling the circuit switching communication of said second communication means in accordance with a content of said storage means.
Claim 2
Dependent Claim 95 words
A data terminal, connected to an optical fiber network, for conducting a circuit switching communication via said optical fiber, comprising: first communication means for conducting a packet switching communication with another data terminal using a first optical wavelength; second communication means for conducting the circuit switching communication with another data terminal using a second optical wavelength: storage means for storing a state of the circuit switching communication using said second optical wavelength; and control means for controlling the circuit switching communication of said second communication means in accordance with a content of said storage means.
Claim 3
Dependent Claim 22 words
A data terminal according to claim 1, wherein said control means comprises detection means to detect a carrier on said optical fiber.
Claim 4
Dependent Claim 21 words
A data terminal according to claim 1, wherein said data terminal is connected to said optical fiber with an optical coupler.
Claim 5
Dependent Claim 24 words
A data terminal according to claim 1, wherein said first and second optical wavelengths are multiplexed by wavelength division multiplexing on said optical fiber.
Claim 6
Dependent Claim 20 words
A data terminal according to claim 1, wherein said second communication means conducts the circuit switching communication of continuous signals.
Claim 7
Dependent Claim 22 words
A data terminal according to claim 1, wherein said second communication means conducts the circuit switching communication of time division multiplexing signals.
Claim 8
Dependent Claim 95 words
An optical fiber communication method in an optical network established by connecting a plurality of types of data terminals with an optical fiber, said optical fiber communication method comprising the steps of: allotting a first optical wavelength to a packet switching communication between said data terminals; allotting a second optical wavelength to a circuit switching communication between said data terminals; storing states of said circuit switching communication using said second optical wavelength; and controlling said circuit switching communication using said second optical wavelength, on the basis of said stored states of said circuit switching communication.
Claim 9
Dependent Claim 95 words
An optical fiber communication method in an optical network established by connecting a plurality of types of data terminals with an optical fiber, said optical fiber communication method comprising the steps of: allotting a first optical wavelength to a packet switching communication between said data terminals; allotting a second optical wavelength to a circuit switching communication between said data terminals; storing states of said circuit switching communication using said second optical wavelength; and controlling said circuit switching communication using said second optical wavelength, on the basis of said stored states of said circuit switching communication.
Claim 10
Dependent Claim 24 words
An optical fiber communication method according to claim 7, wherein said data terminals are respectively connected to said optical fiber with an optical coupler.
Claim 11
Dependent Claim 21 words
An optical fiber communication method according to claim 7, wherein said optical fiber has an optical amplifier to amplify optical signals.
Claim 12
Dependent Claim 29 words
An optical fiber communication method according to claim 7, wherein said optical network is a star type network in which said data terminals are connected with a star coupler.
Claim 13
Dependent Claim 28 words
An optical fiber communication method according to claim 7, wherein said optical network is a bus type network which connects said data terminals to an optical fiber bus.
Claim 14
Dependent Claim 27 words
An optical fiber communication method according to claim 7, wherein said first and second optical wavelengths are multiplexed by a wavelength division multiplexing on said optical fiber.
Claim 15
Dependent Claim 23 words
An optical fiber communication method according to claim 7, wherein in said controlling step said circuit switching communication of continuous signals is controlled.
Claim 16
Dependent Claim 25 words
An optical fiber communication method according to claim 7, wherein in said controlling step said circuit switching communication of time division multiplexing signals is controlled.
Claim 17
Dependent Claim 84 words
A data terminal, connected to an optical fiber of an optical fiber network, for conducting a circuit switching communication via said optical fiber, comprising: first communication means for conducting a packet switching communication with another data terminal using a first optical wavelength; second communication means for conducting the circuit switching communication with another data terminal using a second optical wavelength; and control means for controlling the circuit switching communication of said second communication means in accordance with a state of the circuit switching communication.
Claim 18
Dependent Claim 84 words
A data terminal, connected to an optical fiber of an optical fiber network, for conducting a circuit switching communication via said optical fiber, comprising: first communication means for conducting a packet switching communication with another data terminal using a first optical wavelength; second communication means for conducting the circuit switching communication with another data terminal using a second optical wavelength; and control means for controlling the circuit switching communication of said second communication means in accordance with a state of the circuit switching communication.
Claim 19
Dependent Claim 22 words
A data terminal according to claim 15, wherein said control means comprises detection means to detect a carrier on said optical fiber.
Claim 20
Dependent Claim 21 words
A data terminal according to claim 15, wherein said data terminal is connected to said optical fiber with an optical coupler.
Claim 21
Dependent Claim 25 words
A data terminal according to claim 15, wherein said first and second optical wavelengths are multiplexed by a wavelength division multiplexing on said optical fiber.
Claim 22
Dependent Claim 20 words
A data terminal according to claim 15, wherein said second communication means conducts the circuit switching communication of continuous signals.
Claim 23
Dependent Claim 22 words
A data terminal according to claim 15, wherein said second communication means conducts the circuit switching communication of time division multiplexing signals.
Claim 24
Dependent Claim 82 words
An optical fiber communication method in an optical network established by connecting a plurality of types of data terminals with an optical fiber, said optical fiber communication method comprising the steps of: allotting a first optical wavelength to a packet switching communication between said data terminals; allotting a second optical wavelength to a circuit switching communication between said data terminals; and controlling said circuit switching communication using said second optical wavelength on the basis of a state of said circuit switching communication.
Claim 25
Dependent Claim 82 words
An optical fiber communication method in an optical network established by connecting a plurality of types of data terminals with an optical fiber, said optical fiber communication method comprising the steps of: allotting a first optical wavelength to a packet switching communication between said data terminals; allotting a second optical wavelength to a circuit switching communication between said data terminals; and controlling said circuit switching communication using said second optical wavelength on the basis of a state of said circuit switching communication.
Claim 26
Dependent Claim 24 words
An optical fiber communication method according to claim 21, wherein said data terminals are respectively connected to said optical fiber with an optical coupler.
Claim 27
Dependent Claim 21 words
An optical fiber communication method according to claim 21, wherein said optical fiber has an optical amplifier to amplify optical signals.
Claim 28
Dependent Claim 29 words
An optical fiber communication method according to claim 21, wherein said optical network is a star type network in which said data terminals are connected with a star coupler.
Claim 29
Dependent Claim 28 words
An optical fiber communication method according to claim 21, wherein said optical network is a bus type network which connects said data terminals to an optical fiber bus.
Claim 30
Dependent Claim 27 words
An optical fiber communication method according to claim 21, wherein said first and second optical wavelengths are multiplexed by a wavelength division multiplexing on said optical fiber.
Claim 31
Dependent Claim 23 words
An optical fiber communication method according to claim 21, wherein in said controlling step, said circuit switching communication of continuous signals is controlled.
Claim 32
Dependent Claim 25 words
An optical fiber communication method according to claim 21, wherein in said controlling step, said circuit switching communication of time division multiplexing signals is controlled.
Claim 33
Dependent Claim 96 words
A data terminal, connected to an optical fiber network, for conducting a circuit switching communication via said optical fiber, comprising: first communication means for conducting a time division multiplexing communication with another data terminal using a first optical wavelength; second communication means for conducting the circuit switching communication with another data terminal using a second optical wavelength; storage means for storing a state of the circuit switching communication using said second optical wavelength; and control means for controlling the circuit switching communication of said second communication means in accordance with a content of said storage means.
Claim 34
Dependent Claim 96 words
A data terminal, connected to an optical fiber network, for conducting a circuit switching communication via said optical fiber, comprising: first communication means for conducting a time division multiplexing communication with another data terminal using a first optical wavelength; second communication means for conducting the circuit switching communication with another data terminal using a second optical wavelength; storage means for storing a state of the circuit switching communication using said second optical wavelength; and control means for controlling the circuit switching communication of said second communication means in accordance with a content of said storage means.
Claim 35
Dependent Claim 22 words
A data terminal according to claim 29, wherein said control means comprises detection means for detecting a carrier on said optical fiber.
Claim 36
Dependent Claim 21 words
A data terminal according to claim 29, wherein said data terminal is connected to said optical fiber with an optical coupler.
Claim 37
Dependent Claim 24 words
A data terminal according to claim 29, wherein said first and second optical wavelengths are multiplexed by wavelength division multiplexing on said optical fiber.
Claim 38
Dependent Claim 20 words
A data terminal according to claim 29, wherein said second communication means conducts the circuit switching communication of continuous signals.
Claim 39
Dependent Claim 96 words
An optical fiber communication method in an optical network established by connecting a plurality of types of data terminals with an optical fiber, said optical fiber communication method comprising the steps of: allotting a first optical wavelength to a time division multiplexing communication between said data terminals; allotting a second optical wavelength to a circuit switching communication between said data terminals; storing states of said circuit switching communication using said second optical wavelength; and controlling said circuit switching communication using said second optical wavelength on the basis of said stored states of said circuit switching communication.
Claim 40
Dependent Claim 96 words
An optical fiber communication method in an optical network established by connecting a plurality of types of data terminals with an optical fiber, said optical fiber communication method comprising the steps of: allotting a first optical wavelength to a time division multiplexing communication between said data terminals; allotting a second optical wavelength to a circuit switching communication between said data terminals; storing states of said circuit switching communication using said second optical wavelength; and controlling said circuit switching communication using said second optical wavelength on the basis of said stored states of said circuit switching communication.
Claim 41
Dependent Claim 24 words
An optical fiber communication method according to claim 34, wherein said data terminals are respectively connected to said optical fiber with an optical coupler.
Claim 42
Dependent Claim 21 words
An optical fiber communication method according to claim 34, wherein said optical fiber has an optical amplifier to amplify optical signals.
Claim 43
Dependent Claim 29 words
An optical fiber communication method according to claim 34, wherein said optical network is a star type network in which said data terminals are connected with a star coupler.
Claim 44
Dependent Claim 28 words
An optical fiber communication method according to claim 34, wherein said optical network is a bus type network which connects said data terminals to an optical fiber bus.
Claim 45
Dependent Claim 27 words
An optical fiber communication method according to claim 34, wherein said first and second optical wavelengths are multiplexed by a wavelength division multiplexing on said optical fiber.
Claim 46
Dependent Claim 23 words
An optical fiber communication method according to claim 34, wherein in said controlling step, said circuit switching communication of continuous signals is controlled.
Claim 47
Dependent Claim 85 words
A data terminal connected to an optical fiber of an optical fiber network, for conducting a circuit switching communication via said optical fiber, comprising: first communication means for conducting a time division multiplexing communication with another data terminal using a first optical wavelength; second communication means for conducting the circuit switching communication with another data terminal using a second optical wavelength; and control means for controlling the circuit switching communication of said second communication means in accordance with a state of the circuit switching communication.
Claim 48
Dependent Claim 85 words
A data terminal connected to an optical fiber of an optical fiber network, for conducting a circuit switching communication via said optical fiber, comprising: first communication means for conducting a time division multiplexing communication with another data terminal using a first optical wavelength; second communication means for conducting the circuit switching communication with another data terminal using a second optical wavelength; and control means for controlling the circuit switching communication of said second communication means in accordance with a state of the circuit switching communication.
Claim 49
Dependent Claim 21 words
A data terminal according to claim 41, wherein said data terminal is connected to said optical fiber with an optical coupler.
Claim 50
Dependent Claim 25 words
A data terminal according to claim 42, wherein said first and second optical wavelengths are multiplexed by a wavelength division multiplexing on said optical fiber.
Claim 51
Dependent Claim 20 words
A data terminal according to claim 42, wherein said second communication means conducts the circuit switching communication of continuous signals.
Claim 52
Dependent Claim 22 words
A data terminal according to claim 42, wherein said control means comprises detection means to detect a carrier on said optical fiber.
Claim 53
Dependent Claim 83 words
An optical fiber communication method in an optical network established by connecting a plurality of types of data terminals with an optical fiber, said optical fiber communication method comprising the steps of: allotting a first optical wavelength to a time division multiplexing communication between said data terminals; allotting a second optical wavelength to a circuit switching communication between said data terminals; and controlling said circuit switching communication using said second optical wavelength on the basis of a state of said circuit switching communication.
Claim 54
Dependent Claim 83 words
An optical fiber communication method in an optical network established by connecting a plurality of types of data terminals with an optical fiber, said optical fiber communication method comprising the steps of: allotting a first optical wavelength to a time division multiplexing communication between said data terminals; allotting a second optical wavelength to a circuit switching communication between said data terminals; and controlling said circuit switching communication using said second optical wavelength on the basis of a state of said circuit switching communication.
Claim 55
Dependent Claim 24 words
An optical fiber communication method according to claim 46, wherein said data terminals are respectively connected to said optical fiber with an optical coupler.
Claim 56
Dependent Claim 21 words
An optical fiber communication method according to claim 46, wherein said optical fiber has an optical amplifier to amplify optical signals.
Claim 57
Dependent Claim 29 words
An optical fiber communication method according to claim 46, wherein said optical network is a star type network in which said data terminals are connected with a star coupler.
Claim 58
Dependent Claim 28 words
An optical fiber communication method according to claim 46, wherein said optical network is a bus type network which connects said data terminals to an optical fiber bus.
Claim 59
Dependent Claim 27 words
An optical fiber communication method according to claim 46, wherein said first and second optical wavelengths are multiplexed by a wavelength division multiplexing on said optical fiber.
Claim 60
Dependent Claim 23 words
An optical fiber communication method according to claim 46, wherein in said controlling step, said circuit switching communication of continuous signals is controlled.
Claim 61
Dependent Claim 114 words
A data terminal connected to an optical fiber network, for conducting a circuit switching communication via an optical fiber, comprising: first communication means for conducting a packet switching communication with another data terminal using a first optical wavelength; second communication means for controlling a time division multiplexing communication with another data terminal using a second optical wavelength; third communication means for conducting the circuit switching communication with another data terminal using a third optical wavelength; storage means for storing a state of the circuit switching communication using said third optical wavelength; and control means for controlling the circuit switching communication of said third communication means in accordance with a content of said storage means.
Claim 62
Dependent Claim 114 words
A data terminal connected to an optical fiber network, for conducting a circuit switching communication via an optical fiber, comprising: first communication means for conducting a packet switching communication with another data terminal using a first optical wavelength; second communication means for controlling a time division multiplexing communication with another data terminal using a second optical wavelength; third communication means for conducting the circuit switching communication with another data terminal using a third optical wavelength; storage means for storing a state of the circuit switching communication using said third optical wavelength; and control means for controlling the circuit switching communication of said third communication means in accordance with a content of said storage means.
Claim 63
Dependent Claim 22 words
A data terminal according to claim 53, wherein said control means comprises detection means for detecting a carrier on said optical fiber.
Claim 64
Dependent Claim 21 words
A data terminal according to claim 53, wherein said data terminal is connected to said optical fiber with an optical coupler.
Claim 65
Dependent Claim 25 words
A data terminal according to claim 53, wherein said first, second and third optical wavelengths are multiplexed by wavelength division multiplexing on said optical fiber.
Claim 66
Dependent Claim 20 words
A data terminal according to claim 53, wherein said third communication means conducts the circuit switching communication of continuous signals.
Claim 67
Dependent Claim 110 words
An optical fiber communication method in an optical network established by connecting a plurality of types of data terminals with an optical fiber, said optical fiber communication method comprising the steps of: allotting a first optical wavelength to a packet switching communication between said data terminals; allotting a second optical wavelength to a time division multiplexing communication between said data terminals; allotting a third optical wavelength to a circuit switching communication between said data terminals; storing states of said circuit switching communication using said third optical wavelength; and controlling said circuit switching communication using said third optical wavelength on the basis of said stored states of said circuit switching communication.
Claim 68
Dependent Claim 110 words
An optical fiber communication method in an optical network established by connecting a plurality of types of data terminals with an optical fiber, said optical fiber communication method comprising the steps of: allotting a first optical wavelength to a packet switching communication between said data terminals; allotting a second optical wavelength to a time division multiplexing communication between said data terminals; allotting a third optical wavelength to a circuit switching communication between said data terminals; storing states of said circuit switching communication using said third optical wavelength; and controlling said circuit switching communication using said third optical wavelength on the basis of said stored states of said circuit switching communication.
Claim 69
Dependent Claim 24 words
An optical fiber communication method according to claim 58, wherein said data terminals are respectively connected to said optical fiber with an optical coupler.
Claim 70
Dependent Claim 21 words
An optical fiber communication method according to claim 58, wherein said optical fiber has an optical amplifier to amplify optical signals.
Claim 71
Dependent Claim 29 words
An optical fiber communication method according to claim 58, wherein said optical network is a star type network in which said data terminals are connected with a star coupler.
Claim 72
Dependent Claim 28 words
An optical fiber communication method according to claim 58, wherein said optical network is a bus type network which connects said data terminals to an optical fiber bus.
Claim 73
Dependent Claim 27 words
An optical fiber communication method according to claim 58, wherein said first, second and third optical wavelengths are multiplexed by wavelength division multiplexing on said optical fiber.
Claim 74
Dependent Claim 23 words
An optical fiber communication method according to claim 58, wherein in said controlling step, the circuit switching communication of continuous signals is controlled.
Claim 75
Dependent Claim 103 words
A data terminal, connected to an optical fiber of an optical fiber network, for conducting a circuit switching communication via said optical fiber, comprising: first communication means for conducting a packet switching communication with another data terminal using a first optical wavelength; second communication means for conducting a time division multiplexing communication with another data terminal using a second optical wavelength; third communication means for conducting the circuit switching communication with another data terminal using a third optical wavelength; and control means for controlling the circuit switching communication of said third communication means in accordance with a state of the circuit switching communication.
Claim 76
Dependent Claim 103 words
A data terminal, connected to an optical fiber of an optical fiber network, for conducting a circuit switching communication via said optical fiber, comprising: first communication means for conducting a packet switching communication with another data terminal using a first optical wavelength; second communication means for conducting a time division multiplexing communication with another data terminal using a second optical wavelength; third communication means for conducting the circuit switching communication with another data terminal using a third optical wavelength; and control means for controlling the circuit switching communication of said third communication means in accordance with a state of the circuit switching communication.
Claim 77
Dependent Claim 21 words
A data terminal according to claim 65, wherein said data terminal is connected to said optical fiber with an optical coupler.
Claim 78
Dependent Claim 25 words
A data terminal according to claim 65, wherein said first, second and third optical wavelengths are multiplexed by wavelength division multiplexing on said optical fiber.
Claim 79
Dependent Claim 20 words
A data terminal according to claim 65, wherein said third communication means conducts the circuit switching communication of continuous signals.
Claim 80
Dependent Claim 22 words
A data terminal according to claim 65, wherein said control means comprises detection means for detecting a carrier on said optical fiber.
Claim 81
Dependent Claim 97 words
An optical fiber communication method in an optical network established by connecting a plurality of types of data terminals with an optical fiber, said optical fiber communication method comprising the steps of: allotting a first optical wavelength to a packet switching communication between said data terminals; allotting a second optical wavelength to a time division multiplexing communication between said data terminals; allotting a third optical wavelength to a circuit switching communication between said data terminals; and controlling said circuit switching communication using said third optical wavelength on the basis of a state of said circuit switching communication.
Claim 82
Dependent Claim 97 words
An optical fiber communication method in an optical network established by connecting a plurality of types of data terminals with an optical fiber, said optical fiber communication method comprising the steps of: allotting a first optical wavelength to a packet switching communication between said data terminals; allotting a second optical wavelength to a time division multiplexing communication between said data terminals; allotting a third optical wavelength to a circuit switching communication between said data terminals; and controlling said circuit switching communication using said third optical wavelength on the basis of a state of said circuit switching communication.
Claim 83
Dependent Claim 24 words
An optical fiber communication method according to claim 70, wherein said data terminals are respectively connected to said optical fiber with an optical coupler.
Claim 84
Dependent Claim 21 words
An optical fiber communication method according to claim 70, wherein said optical fiber has an optical amplifier to amplify optical signals.
Claim 85
Dependent Claim 29 words
An optical fiber communication method according to claim 70, wherein said optical network is a star type network in which said data terminals are connected with a star coupler.
Claim 86
Dependent Claim 28 words
An optical fiber communication method according to claim 70, wherein said optical network is a bus type network which connects said data terminals to an optical fiber bus.
Claim 87
Dependent Claim 27 words
An optical fiber communication method according to claim 70, wherein said first, second and third optical wavelengths are multiplexed by wavelength division multiplexing on said optical fiber.
Claim 88
Dependent Claim 23 words
An optical fiber communication method according to claim 70, wherein in said controlling step, said circuit switching communication of continuous signals is controlled.

References Cited (Backward Citations)

US4672373A Cited
US4704715A Cited
US5144466A Cited
US5130835A Cited

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