FR922425A - Improvements to underwater signaling - Google Patents

Improvements to underwater signaling

Info

Publication number
FR922425A
FR922425A FR922425DA FR922425A FR 922425 A FR922425 A FR 922425A FR 922425D A FR922425D A FR 922425DA FR 922425 A FR922425 A FR 922425A
Authority
FR
France
Prior art keywords
underwater signaling
underwater
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)
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.)
Submarine Signal Co
Original Assignee
Submarine Signal Co
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 Submarine Signal Co filed Critical Submarine Signal Co
Application granted granted Critical
Publication of FR922425A publication Critical patent/FR922425A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/08—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR922425D 1946-01-02 1946-01-02 Improvements to underwater signaling Expired FR922425A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR922425T 1946-01-02

Publications (1)

Publication Number Publication Date
FR922425A true FR922425A (en) 1947-06-09

Family

ID=9438009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR922425D Expired FR922425A (en) 1946-01-02 1946-01-02 Improvements to underwater signaling

Country Status (1)

Country Link
FR (1) FR922425A (en)

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