FR828493A - Warning systems for overtaking signals - Google Patents

Warning systems for overtaking signals

Info

Publication number
FR828493A
FR828493A FR828493DA FR828493A FR 828493 A FR828493 A FR 828493A FR 828493D A FR828493D A FR 828493DA FR 828493 A FR828493 A FR 828493A
Authority
FR
France
Prior art keywords
overtaking
signals
warning systems
warning
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.)
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.)
Filing date
Publication date
Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR828493A publication Critical patent/FR828493A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/10—Amplitude; Power
    • G01H3/12—Amplitude; Power by electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR828493D 1937-01-30 1937-01-30 Warning systems for overtaking signals Expired FR828493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR828493T 1937-01-30

Publications (1)

Publication Number Publication Date
FR828493A true FR828493A (en) 1938-05-18

Family

ID=9283797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828493D Expired FR828493A (en) 1937-01-30 1937-01-30 Warning systems for overtaking signals

Country Status (1)

Country Link
FR (1) FR828493A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950717C (en) * 1951-07-24 1956-10-11 Physikalisch Tech Werkstaetten Overhaul signal receiving system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950717C (en) * 1951-07-24 1956-10-11 Physikalisch Tech Werkstaetten Overhaul signal receiving system

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