GB2038140B - Signalling systems - Google Patents

Signalling systems

Info

Publication number
GB2038140B
GB2038140B GB7848080A GB7848080A GB2038140B GB 2038140 B GB2038140 B GB 2038140B GB 7848080 A GB7848080 A GB 7848080A GB 7848080 A GB7848080 A GB 7848080A GB 2038140 B GB2038140 B GB 2038140B
Authority
GB
United Kingdom
Prior art keywords
signalling systems
signalling
systems
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
GB7848080A
Other versions
GB2038140A (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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB7848080A priority Critical patent/GB2038140B/en
Priority to BR7908035A priority patent/BR7908035A/en
Publication of GB2038140A publication Critical patent/GB2038140A/en
Application granted granted Critical
Publication of GB2038140B publication Critical patent/GB2038140B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB7848080A 1978-12-12 1978-12-12 Signalling systems Expired GB2038140B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB7848080A GB2038140B (en) 1978-12-12 1978-12-12 Signalling systems
BR7908035A BR7908035A (en) 1978-12-12 1979-12-10 SIGNALING SYSTEM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7848080A GB2038140B (en) 1978-12-12 1978-12-12 Signalling systems

Publications (2)

Publication Number Publication Date
GB2038140A GB2038140A (en) 1980-07-16
GB2038140B true GB2038140B (en) 1982-11-17

Family

ID=10501667

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7848080A Expired GB2038140B (en) 1978-12-12 1978-12-12 Signalling systems

Country Status (2)

Country Link
BR (1) BR7908035A (en)
GB (1) GB2038140B (en)

Also Published As

Publication number Publication date
GB2038140A (en) 1980-07-16
BR7908035A (en) 1980-07-22

Similar Documents

Publication Publication Date Title
GB2012092B (en) Alarm system
AU524095B2 (en) Signaling system
NZ191226A (en) Power line signalling system
HK32984A (en) Range determination system
ZA785255B (en) Alarm system
GB2019561B (en) Telecommunication systems
IL58754A0 (en) Irrigations system
GB2013383B (en) Warning devices
IL57402A (en) Excessive descent-rate warning system
JPS5525700A (en) Antiiskid system
GB2052920B (en) Signalling system
DE2965341D1 (en) Wire-guidance system
GB2014824B (en) Loudspeaker systems
GB2094004B (en) Fluid-gauging systems
GB2024914B (en) Electroniclocking system
JPS553293A (en) Nodeelike switching system
GB2094533B (en) Warning devices
GB2030336B (en) Emergnecy alarm systems
GB2038578B (en) Position indicating systems
GB2027242B (en) Alarm systems
GB2030416B (en) Radar systems
ZA791791B (en) Ligthing system
GB2023691B (en) Shoring systems
GB2019072B (en) Alarm systems
GB2038140B (en) Signalling systems

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee