FR488111A - Improvements to automatic signaling devices - Google Patents

Improvements to automatic signaling devices

Info

Publication number
FR488111A
FR488111A FR488111DA FR488111A FR 488111 A FR488111 A FR 488111A FR 488111D A FR488111D A FR 488111DA FR 488111 A FR488111 A FR 488111A
Authority
FR
France
Prior art keywords
signaling devices
automatic signaling
automatic
devices
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)
Inventor
Thomas Dudley Joeck
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR488111A publication Critical patent/FR488111A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/135—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by making use of contacts which are actuated by a movable inertial mass

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR488111D 1917-12-21 1917-12-21 Improvements to automatic signaling devices Expired FR488111A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR488111T 1917-12-21

Publications (1)

Publication Number Publication Date
FR488111A true FR488111A (en) 1918-09-05

Family

ID=1524503

Family Applications (1)

Application Number Title Priority Date Filing Date
FR488111D Expired FR488111A (en) 1917-12-21 1917-12-21 Improvements to automatic signaling devices

Country Status (1)

Country Link
FR (1) FR488111A (en)

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