FR829819A - Electrical signaling systems - Google Patents

Electrical signaling systems

Info

Publication number: FR829819A
Authority: FR; France
Prior art keywords: signaling systems; electrical signaling; electrical; systems; signaling
Prior art date: 1937-03-10
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

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.)

Thales SA

Original Assignee

Le Materiel Telephonique Thomson CSF

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.)

1937-03-10

Filing date

1937-03-10

Publication date

1938-07-07

1937-03-10 Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF

1938-07-07 Application granted granted Critical

1938-07-07 Publication of FR829819A publication Critical patent/FR829819A/en

Status Expired legal-status Critical Current

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)

FR829819D 1937-03-10 1937-03-10 Electrical signaling systems Expired FR829819A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR829819T		1937-03-10

Publications (1)

Publication Number	Publication Date
FR829819A true FR829819A (en)	1938-07-07

Family

ID=9284540

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR829819D Expired FR829819A (en)	1937-03-10	1937-03-10	Electrical signaling systems

Country Status (1)

Country	Link
FR (1)	FR829819A (en)

1937
- 1937-03-10 FR FR829819D patent/FR829819A/en not_active Expired

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