FR1035326A - Sonneries commandées par un courant alternatif - Google Patents

Sonneries commandées par un courant alternatif

Info

Publication number
FR1035326A
FR1035326A FR1035326DA FR1035326A FR 1035326 A FR1035326 A FR 1035326A FR 1035326D A FR1035326D A FR 1035326DA FR 1035326 A FR1035326 A FR 1035326A
Authority
FR
France
Prior art keywords
alternating current
ring tones
tones controlled
controlled
ring
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
English (en)
Inventor
Andre Montel
Jack Dugot
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 FR1035326A publication Critical patent/FR1035326A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR1035326D 1951-04-12 1951-04-12 Sonneries commandées par un courant alternatif Expired FR1035326A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1035326T 1951-04-12

Publications (1)

Publication Number Publication Date
FR1035326A true FR1035326A (fr) 1953-08-21

Family

ID=9585670

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1035326D Expired FR1035326A (fr) 1951-04-12 1951-04-12 Sonneries commandées par un courant alternatif

Country Status (1)

Country Link
FR (1) FR1035326A (fr)

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