FR1437291A - Perfectionnement aux dispositifs électriques de signalisation - Google Patents

Perfectionnement aux dispositifs électriques de signalisation

Info

Publication number
FR1437291A
FR1437291A FR21753A FR21753A FR1437291A FR 1437291 A FR1437291 A FR 1437291A FR 21753 A FR21753 A FR 21753A FR 21753 A FR21753 A FR 21753A FR 1437291 A FR1437291 A FR 1437291A
Authority
FR
France
Prior art keywords
signaling devices
electrical signaling
advanced training
training
advanced
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
FR21753A
Other languages
English (en)
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.)
V&E Friedland Ltd
Original Assignee
V&E Friedland Ltd
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 V&E Friedland Ltd filed Critical V&E Friedland Ltd
Priority to FR21753A priority Critical patent/FR1437291A/fr
Application granted granted Critical
Publication of FR1437291A publication Critical patent/FR1437291A/fr
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
    • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/062—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
    • G10K1/066—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a tube, plate or rod

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR21753A 1965-06-22 1965-06-22 Perfectionnement aux dispositifs électriques de signalisation Expired FR1437291A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR21753A FR1437291A (fr) 1965-06-22 1965-06-22 Perfectionnement aux dispositifs électriques de signalisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR21753A FR1437291A (fr) 1965-06-22 1965-06-22 Perfectionnement aux dispositifs électriques de signalisation

Publications (1)

Publication Number Publication Date
FR1437291A true FR1437291A (fr) 1966-04-29

Family

ID=8582723

Family Applications (1)

Application Number Title Priority Date Filing Date
FR21753A Expired FR1437291A (fr) 1965-06-22 1965-06-22 Perfectionnement aux dispositifs électriques de signalisation

Country Status (1)

Country Link
FR (1) FR1437291A (fr)

Similar Documents

Publication Publication Date Title
FR1498480A (fr) Perfectionnement aux contacteurs électriques
FR1508114A (fr) Perfectionnement aux appareils de reformage
FR1535862A (fr) Perfectionnements aux dispositifs électriques à base de céramique
CH472810A (de) Codiervorrichtung
FR1526306A (fr) Dispositif électrique de signalisation
CH438487A (fr) Appareil auto-lumineux de signalisation
FR1437291A (fr) Perfectionnement aux dispositifs électriques de signalisation
FR1451544A (fr) Portique de signalisation
FR1356378A (fr) Barrière de signalisation
FR1379650A (fr) Commutateur de commande et de signalisation
FR1285566A (fr) Perfectionnement aux dispositifs de signalisation
FR1541865A (fr) Perfectionnements aux dispositifs de signalisation
FR1446151A (fr) Dispositif de signalisation électrique
FR1444245A (fr) Perfectionnement aux dispositifs de cintrage
FR1395661A (fr) Perfectionnement aux dispositifs thermoélectriques
FR1430293A (fr) Perfectionnements aux dispositifs lumineux de signalisation
FR1290190A (fr) Perfectionnement aux dispositifs de signalisation électrique par interrogateurrépondeur
FR1444434A (fr) Appareil de signalisation sous-marine
FR1288303A (fr) Perfectionnement aux dispositifs de signalisation radioélectriques
FR1508205A (fr) Dispositif de signalisation
FR1452770A (fr) Perfectionnement aux dispositifs de manchonnage de câbles métalliques
FR1496428A (fr) Perfectionnements relatifs aux dispositifs de capsulage
FR1444996A (fr) Dispositif de signalisation électrique
FR1287611A (fr) Perfectionnement aux dispositifs de signalisation par interrogateur-répondeur
FR1500028A (fr) Perfectionnement aux organes pneumatiques de commutation