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GB2061672B - Electro-optical telephone line interface unit - Google Patents

Electro-optical telephone line interface unit

Info

Publication number
GB2061672B
GB2061672B GB7931851A GB7931851A GB2061672B GB 2061672 B GB2061672 B GB 2061672B GB 7931851 A GB7931851 A GB 7931851A GB 7931851 A GB7931851 A GB 7931851A GB 2061672 B GB2061672 B GB 2061672B
Authority
GB
United Kingdom
Prior art keywords
electro
interface unit
telephone line
line interface
optical telephone
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
Application number
GB7931851A
Other versions
GB2061672A (en
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.)
Gower M P
Sterland M J N
Original Assignee
Gower M P
Sterland M J N
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 Gower M P, Sterland M J N filed Critical Gower M P
Priority to GB7931851A priority Critical patent/GB2061672B/en
Publication of GB2061672A publication Critical patent/GB2061672A/en
Application granted granted Critical
Publication of GB2061672B publication Critical patent/GB2061672B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/26—Circuits with optical sensing means, i.e. using opto-couplers for isolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
GB7931851A 1979-09-13 1979-09-13 Electro-optical telephone line interface unit Expired GB2061672B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7931851A GB2061672B (en) 1979-09-13 1979-09-13 Electro-optical telephone line interface unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7931851A GB2061672B (en) 1979-09-13 1979-09-13 Electro-optical telephone line interface unit

Publications (2)

Publication Number Publication Date
GB2061672A GB2061672A (en) 1981-05-13
GB2061672B true GB2061672B (en) 1983-10-19

Family

ID=10507821

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7931851A Expired GB2061672B (en) 1979-09-13 1979-09-13 Electro-optical telephone line interface unit

Country Status (1)

Country Link
GB (1) GB2061672B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596048A (en) * 1983-04-04 1986-06-17 General Electric Company Optically isolated contention bus
US4518823A (en) * 1983-10-06 1985-05-21 Novation, Inc. Modem cartridge and connection for program cartridge type computers
CH669290A5 (en) * 1986-04-23 1989-02-28 Siegrist W Sibalco OPTOCOUPLER.
CA1280229C (en) * 1988-04-29 1991-02-12 Michael Jamil Wakim Infrared hookswitch for a telephone
US5655009A (en) * 1992-03-19 1997-08-05 Fujitsu Limited Modem unit

Also Published As

Publication number Publication date
GB2061672A (en) 1981-05-13

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee