FR791458A - Improvements to electrical signaling systems - Google Patents

Improvements to electrical signaling systems

Info

Publication number
FR791458A
FR791458A FR791458DA FR791458A FR 791458 A FR791458 A FR 791458A FR 791458D A FR791458D A FR 791458DA FR 791458 A FR791458 A FR 791458A
Authority
FR
France
Prior art keywords
signaling systems
electrical signaling
electrical
systems
signaling
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 ELECTRIC CO Ltd
Original Assignee
AUTOMATIC 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
Application filed by AUTOMATIC ELECTRIC CO Ltd filed Critical AUTOMATIC ELECTRIC CO Ltd
Application granted granted Critical
Publication of FR791458A publication Critical patent/FR791458A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/16—Electric signal transmission systems in which transmission is by pulses
    • G08C19/22—Electric signal transmission systems in which transmission is by pulses by varying the duration of individual pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR791458D 1934-07-27 1935-06-20 Improvements to electrical signaling systems Expired FR791458A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB791458X 1934-07-27

Publications (1)

Publication Number Publication Date
FR791458A true FR791458A (en) 1935-12-11

Family

ID=10504795

Family Applications (1)

Application Number Title Priority Date Filing Date
FR791458D Expired FR791458A (en) 1934-07-27 1935-06-20 Improvements to electrical signaling systems

Country Status (1)

Country Link
FR (1) FR791458A (en)

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