FR479038A - Method and apparatus for amplifying the value of periodic electric currents - Google Patents

Method and apparatus for amplifying the value of periodic electric currents

Info

Publication number
FR479038A
FR479038A FR479038A FR479038DA FR479038A FR 479038 A FR479038 A FR 479038A FR 479038 A FR479038 A FR 479038A FR 479038D A FR479038D A FR 479038DA FR 479038 A FR479038 A FR 479038A
Authority
FR
France
Prior art keywords
amplifying
value
electric currents
periodic electric
periodic
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
FR479038A
Other languages
French (fr)
Inventor
Vittorio Tedeschi
Andrea Giulio Rossi
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 FR479038A publication Critical patent/FR479038A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C7/00—Non-inflatable or solid tyres
    • B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
    • B60C7/14—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs
    • B60C7/16—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs of helical or flat coil form
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F13/00—Amplifiers using amplifying element consisting of two mechanically- or acoustically-coupled transducers, e.g. telephone-microphone amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Tires In General (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FR479038A 1915-06-16 1915-06-15 Method and apparatus for amplifying the value of periodic electric currents Expired FR479038A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191508903T 1915-06-16

Publications (1)

Publication Number Publication Date
FR479038A true FR479038A (en) 1916-02-02

Family

ID=32650124

Family Applications (1)

Application Number Title Priority Date Filing Date
FR479038A Expired FR479038A (en) 1915-06-16 1915-06-15 Method and apparatus for amplifying the value of periodic electric currents

Country Status (2)

Country Link
FR (1) FR479038A (en)
GB (2) GB191408903A (en)

Also Published As

Publication number Publication date
GB191508903A (en) 1915-10-21
GB191408903A (en) 1914-10-29

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