FR933088A - Improvements relating to electrical signaling systems - Google Patents

Improvements relating to electrical signaling systems

Info

Publication number
FR933088A
FR933088A FR933088DA FR933088A FR 933088 A FR933088 A FR 933088A FR 933088D A FR933088D A FR 933088DA FR 933088 A FR933088 A FR 933088A
Authority
FR
France
Prior art keywords
improvements relating
signaling systems
electrical signaling
electrical
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
Other languages
French (fr)
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric 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
Priority claimed from GB1170142A external-priority patent/GB559539A/en
Application filed by Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Application granted granted Critical
Publication of FR933088A publication Critical patent/FR933088A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of dc pulses
    • H04Q1/36—Pulse-correcting arrangements, e.g. for reducing effects due to interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR933088D 1942-08-20 1946-08-29 Improvements relating to electrical signaling systems Expired FR933088A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1170142A GB559539A (en) 1942-08-20 1942-08-20 Improvements in or relating to electrical signalling systems
GB933088X 1942-08-20

Publications (1)

Publication Number Publication Date
FR933088A true FR933088A (en) 1948-04-09

Family

ID=26248461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR933088D Expired FR933088A (en) 1942-08-20 1946-08-29 Improvements relating to electrical signaling systems

Country Status (1)

Country Link
FR (1) FR933088A (en)

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