FR528309A - Expéditeur automatique de signaux - Google Patents

Expéditeur automatique de signaux

Info

Publication number
FR528309A
FR528309A FR528309A FR528309DA FR528309A FR 528309 A FR528309 A FR 528309A FR 528309 A FR528309 A FR 528309A FR 528309D A FR528309D A FR 528309DA FR 528309 A FR528309 A FR 528309A
Authority
FR
France
Prior art keywords
automatic signal
signal sender
sender
automatic
signal
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
FR528309A
Other languages
English (en)
Inventor
Axel Uno Sarnmark
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 FR528309A publication Critical patent/FR528309A/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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
    • G10K11/006—Transducer mounting in underwater equipment, e.g. sonobuoys

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR528309A 1919-12-01 1920-12-09 Expéditeur automatique de signaux Expired FR528309A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE528309X 1919-12-01

Publications (1)

Publication Number Publication Date
FR528309A true FR528309A (fr) 1921-11-10

Family

ID=20311311

Family Applications (1)

Application Number Title Priority Date Filing Date
FR528309A Expired FR528309A (fr) 1919-12-01 1920-12-09 Expéditeur automatique de signaux

Country Status (1)

Country Link
FR (1) FR528309A (fr)

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