FR970488A - Systèmes de signalisation - Google Patents

Systèmes de signalisation

Info

Publication number
FR970488A
FR970488A FR970488DA FR970488A FR 970488 A FR970488 A FR 970488A FR 970488D A FR970488D A FR 970488DA FR 970488 A FR970488 A FR 970488A
Authority
FR
France
Prior art keywords
signaling systems
signaling
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
English (en)
Inventor
Henry Leopold Horwitz
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR970488A publication Critical patent/FR970488A/fr
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
FR970488D 1946-07-06 1946-07-06 Systèmes de signalisation Expired FR970488A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR970488T 1946-07-06

Publications (1)

Publication Number Publication Date
FR970488A true FR970488A (fr) 1951-01-04

Family

ID=9506118

Family Applications (1)

Application Number Title Priority Date Filing Date
FR970488D Expired FR970488A (fr) 1946-07-06 1946-07-06 Systèmes de signalisation

Country Status (1)

Country Link
FR (1) FR970488A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1031838B (de) * 1956-11-07 1958-06-12 Siemens Ag Schaltungsanordnung zur Verhinderung stoerender Wirkungen durch Entlade- oder Aufladestroeme von Kondensatoren und Leitungen in Fernmelde-, insbesondere Fernsprechanlagen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1031838B (de) * 1956-11-07 1958-06-12 Siemens Ag Schaltungsanordnung zur Verhinderung stoerender Wirkungen durch Entlade- oder Aufladestroeme von Kondensatoren und Leitungen in Fernmelde-, insbesondere Fernsprechanlagen

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