DE296134C - - Google Patents

Info

Publication number
DE296134C
DE296134C DE1915296134D DE296134DA DE296134C DE 296134 C DE296134 C DE 296134C DE 1915296134 D DE1915296134 D DE 1915296134D DE 296134D A DE296134D A DE 296134DA DE 296134 C DE296134 C DE 296134C
Authority
DE
Germany
Prior art keywords
acid
wollaston
heat conductors
sounder
abandoned
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 - Lifetime
Application number
DE1915296134D
Other languages
German (de)
English (en)
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 of DE296134C publication Critical patent/DE296134C/de
Application filed filed Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/002—Transducers other than those covered by groups H04R9/00 - H04R21/00 using electrothermic-effect transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Resistance Heating (AREA)
  • Wire Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DE1915296134D 1915-02-09 1915-02-09 Expired - Lifetime DE296134C (fa)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE296134T 1915-02-09

Publications (1)

Publication Number Publication Date
DE296134C true DE296134C (fa)

Family

ID=32668492

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1915296134D Expired - Lifetime DE296134C (fa) 1915-02-09 1915-02-09

Country Status (3)

Country Link
DE (1) DE296134C (fa)
FR (1) FR480856A (fa)
GB (1) GB191505835A (fa)

Also Published As

Publication number Publication date
FR480856A (fr) 1916-10-04
GB191505835A (en) 1916-04-19

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