GB1238298A - - Google Patents

Info

Publication number
GB1238298A
GB1238298A GB1238298DA GB1238298A GB 1238298 A GB1238298 A GB 1238298A GB 1238298D A GB1238298D A GB 1238298DA GB 1238298 A GB1238298 A GB 1238298A
Authority
GB
United Kingdom
Prior art keywords
signal unit
messages
words
subsequent
message
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
Other languages
English (en)
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 filed Critical
Publication of GB1238298A publication Critical patent/GB1238298A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • 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)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
GB1238298D 1967-11-30 1967-11-30 Expired GB1238298A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5458567 1967-11-30

Publications (1)

Publication Number Publication Date
GB1238298A true GB1238298A (enrdf_load_stackoverflow) 1971-07-07

Family

ID=10471485

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1238298D Expired GB1238298A (enrdf_load_stackoverflow) 1967-11-30 1967-11-30

Country Status (1)

Country Link
GB (1) GB1238298A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2163748A1 (enrdf_load_stackoverflow) * 1971-12-16 1973-07-27 Collins Radio Cy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2163748A1 (enrdf_load_stackoverflow) * 1971-12-16 1973-07-27 Collins Radio Cy

Similar Documents

Publication Publication Date Title
GB1342781A (en) Communication systems
GB1357150A (en) Time division multiplex communication
GB1302597A (enrdf_load_stackoverflow)
GB1043643A (en) Asymmetrical d.c. signalling system over two-wire telecommunication, particularly telephone lines
GB1130699A (en) Telecommunication subscriber's set
ES400671A1 (es) Disposicion de linea de transmision en anillo cerrado per- feccionada.
GB504237A (en) Improvements in or relating to electric signalling systems
GB1288917A (enrdf_load_stackoverflow)
GB1065540A (en) Circuit arrangement for dial pulse receiving facilities in a telephone exchange system
GB654096A (en) Telephone systems
GB1238298A (enrdf_load_stackoverflow)
GB1122924A (en) Circuit arrangement for a centrally controlled exchange, serving in common a telephone and a teleprinting network
US3453391A (en) Signal converter circuit
GB651781A (en) Pulse telecommunication system
US3567868A (en) Interphone device having presence indicator means
US2375053A (en) Signaling system
US2586534A (en) Private branch exchange trunk circuit
GB1066589A (en) Telephone switching systems
GB1103602A (en) Common channelling signalling system for telecommunications networks
US3925600A (en) Line switching system for digital data
US2407640A (en) Telephone or like signaling system
GB1084099A (enrdf_load_stackoverflow)
GB1019480A (en) Circuit arrangement to release registers in telecommunication, particularly telephone systems
US2255596A (en) Teletypewriter switching system
USRE22958E (en) Telekiione system

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees