GB2231467B - A telecommunication apparatus - Google Patents

A telecommunication apparatus

Info

Publication number
GB2231467B
GB2231467B GB9009134A GB9009134A GB2231467B GB 2231467 B GB2231467 B GB 2231467B GB 9009134 A GB9009134 A GB 9009134A GB 9009134 A GB9009134 A GB 9009134A GB 2231467 B GB2231467 B GB 2231467B
Authority
GB
United Kingdom
Prior art keywords
telecommunication apparatus
telecommunication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB9009134A
Other versions
GB9009134D0 (en
GB2231467A (en
Inventor
Masaharu Iida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of GB9009134D0 publication Critical patent/GB9009134D0/en
Publication of GB2231467A publication Critical patent/GB2231467A/en
Application granted granted Critical
Publication of GB2231467B publication Critical patent/GB2231467B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
GB9009134A 1989-04-27 1990-04-24 A telecommunication apparatus Expired - Lifetime GB2231467B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1110882A JP2820955B2 (en) 1989-04-27 1989-04-27 Network controller

Publications (3)

Publication Number Publication Date
GB9009134D0 GB9009134D0 (en) 1990-06-20
GB2231467A GB2231467A (en) 1990-11-14
GB2231467B true GB2231467B (en) 1994-01-05

Family

ID=14547084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9009134A Expired - Lifetime GB2231467B (en) 1989-04-27 1990-04-24 A telecommunication apparatus

Country Status (3)

Country Link
JP (1) JP2820955B2 (en)
DE (1) DE4013420C2 (en)
GB (1) GB2231467B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4337530A1 (en) * 1993-11-04 1995-05-11 Bergermann Petra Module for connecting devices to the public telephone network
GB2287155B (en) * 1994-02-23 1998-08-12 Motorola Inc Telecommunications device
DE4420684A1 (en) * 1994-06-14 1995-12-21 Scharnagel Manfred Auxiliary subscriber's appts. connecting circuitry for telephone line

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0228954A1 (en) * 1985-12-13 1987-07-15 Digital Equipment Corporation Telephone line interface option module

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3042885C2 (en) * 1980-11-13 1983-11-17 Siemens AG, 1000 Berlin und 8000 München Arrangement for transmitting messages over a telephone line
DE3414331A1 (en) * 1984-04-16 1985-10-17 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for increasing the volume in the case of dynamic transducers
JP2524707B2 (en) * 1986-06-25 1996-08-14 株式会社リコー Compound communication terminal
DE3709012A1 (en) * 1987-03-19 1988-09-29 Kuke Kg Fritz CIRCUIT ARRANGEMENT FOR SIGNALING A CALL FOR A TERMINAL SWITCHED IN A DIGITAL TELEPHONE NETWORK
DE3721360A1 (en) * 1987-06-29 1989-01-12 Deutsche Bundespost Subscriber station in a telecommunication network with special distribution of the control information
DE3721889A1 (en) * 1987-07-02 1989-01-12 Standard Elektrik Lorenz Ag COMPUTER CONTROLLED SUBSCRIBER DEVICE FOR OPERATION IN TELECOMMUNICATION NETWORKS, IN PARTICULAR MOBILE RADIO NETWORKS, WITH DIFFERENT SYSTEM TECHNOLOGY

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0228954A1 (en) * 1985-12-13 1987-07-15 Digital Equipment Corporation Telephone line interface option module

Also Published As

Publication number Publication date
DE4013420C2 (en) 1995-01-05
DE4013420A1 (en) 1990-10-31
JPH02288436A (en) 1990-11-28
GB9009134D0 (en) 1990-06-20
GB2231467A (en) 1990-11-14
JP2820955B2 (en) 1998-11-05

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20100423