FR924738A - Improvements to signaling devices - Google Patents

Improvements to signaling devices

Info

Publication number
FR924738A
FR924738A FR924738DA FR924738A FR 924738 A FR924738 A FR 924738A FR 924738D A FR924738D A FR 924738DA FR 924738 A FR924738 A FR 924738A
Authority
FR
France
Prior art keywords
signaling devices
signaling
devices
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
Martin Dwyer
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 filed Critical
Application granted granted Critical
Publication of FR924738A publication Critical patent/FR924738A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B45/00—Arrangements or adaptations of signalling or lighting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2201/00—Signalling devices
    • B63B2201/04—Illuminating
    • B63B2201/06—Illuminating by combustion of fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2201/00—Signalling devices
    • B63B2201/10—Smoke producing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
FR924738D 1945-11-16 1945-11-16 Improvements to signaling devices Expired FR924738A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR924738T 1945-11-16

Publications (1)

Publication Number Publication Date
FR924738A true FR924738A (en) 1947-08-13

Family

ID=9439550

Family Applications (1)

Application Number Title Priority Date Filing Date
FR924738D Expired FR924738A (en) 1945-11-16 1945-11-16 Improvements to signaling devices

Country Status (1)

Country Link
FR (1) FR924738A (en)

Similar Documents

Publication Publication Date Title
FR932089A (en) Improvements to electrical connection devices
FR938485A (en) Signaling device
FR921209A (en) Improvements to pyrotechnic perforating devices
FR935151A (en) Improvements to transmission devices
FR988932A (en) Improvements to fixing devices
FR1047370A (en) Improvements to doubling signaling devices
FR939279A (en) Improvements to electrical attenuator devices
FR1026828A (en) Improvements to signaling devices
FR925710A (en) Improvements to signaling systems
FR917847A (en) Improvements to electrical connection devices
FR924738A (en) Improvements to signaling devices
FR923728A (en) Improvements to signaling devices
FR909348A (en) Improvements to signaling devices
FR933422A (en) Improvements to portable traction devices
FR56405E (en) Improvements to cooling devices
FR926532A (en) Improvements relating to signaling devices
FR933738A (en) Improvements to totalization devices
FR926376A (en) Improvements to underwater signaling devices
FR996610A (en) Improvements relating to railway signaling devices
FR997289A (en) Improvements relating to railway signaling devices
FR930239A (en) Improvements to indicating devices
FR926988A (en) Improvements to automatic compensating devices
FR928546A (en) Long distance signaling devices
FR919497A (en) Improvement in underwater signaling devices
FR996038A (en) Improvements to signaling devices for railways