FR739649A - Perfectionnements aux leviers d'itinéraires - Google Patents

Perfectionnements aux leviers d'itinéraires

Info

Publication number: FR739649A
Authority: FR; France
Prior art keywords: levers; route; route levers
Prior art date: 1931-10-15
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

Inventor

Theophile Ducousso

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.)

1931-10-15

Filing date

1931-10-15

Publication date

1933-01-14

1931-10-15 Application filed filed Critical

1933-01-14 Application granted granted Critical

1933-01-14 Publication of FR739649A publication Critical patent/FR739649A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/08—Demodulation of amplitude-modulated oscillations by means of non-linear two-pole elements
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
- B61L19/02—Interlocking devices having mechanical or fluid-pressure operation
- B61L19/023—Interlocking devices having mechanical or fluid-pressure operation purely mechanical

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Power Engineering (AREA)

FR739649D 1931-10-15 1931-10-15 Perfectionnements aux leviers d'itinéraires Expired FR739649A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR739649T		1931-10-15

Publications (1)

Publication Number	Publication Date
FR739649A true FR739649A (fr)	1933-01-14

Family

ID=34043816

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR739649D Expired FR739649A (fr)	1931-10-15	1931-10-15	Perfectionnements aux leviers d'itinéraires
FR43031D Expired FR43031E (fr)	1931-10-15	1932-10-14	Perfectionnements aux leviers d'itinéraires

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
FR43031D Expired FR43031E (fr)	1931-10-15	1932-10-14	Perfectionnements aux leviers d'itinéraires

Country Status (1)

Country	Link
FR (2)	FR739649A (fr)

1931
- 1931-10-15 FR FR739649D patent/FR739649A/fr not_active Expired
1932
- 1932-10-14 FR FR43031D patent/FR43031E/fr not_active Expired

Also Published As

Publication number	Publication date
FR43031E (fr)	1934-01-24

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