GB191505835A - A Process for the Manufacture of Heating Conductors for Thermic Telephones from Wires Manufactured by the Wollaston Process. - Google Patents

A Process for the Manufacture of Heating Conductors for Thermic Telephones from Wires Manufactured by the Wollaston Process.

Info

Publication number
GB191505835A
GB191505835A GB191505835DA GB191505835A GB 191505835 A GB191505835 A GB 191505835A GB 191505835D A GB191505835D A GB 191505835DA GB 191505835 A GB191505835 A GB 191505835A
Authority
GB
United Kingdom
Prior art keywords
wollaston
manufacture
heating conductors
thermic
telephones
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)
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.)
DE NL THERMO TELEPHOON MIJ NV
Original Assignee
DE NL THERMO TELEPHOON MIJ NV
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 DE NL THERMO TELEPHOON MIJ NV filed Critical DE NL THERMO TELEPHOON MIJ NV
Publication of GB191505835A publication Critical patent/GB191505835A/en
Expired 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)
GB191505835D 1915-02-09 1915-04-19 A Process for the Manufacture of Heating Conductors for Thermic Telephones from Wires Manufactured by the Wollaston Process. Expired GB191505835A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB191505835A true GB191505835A (en) 1916-04-19

Family

ID=32668492

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191505835D Expired GB191505835A (en) 1915-02-09 1915-04-19 A Process for the Manufacture of Heating Conductors for Thermic Telephones from Wires Manufactured by the Wollaston Process.

Country Status (3)

Country Link
DE (1) DE296134C (https=)
FR (1) FR480856A (https=)
GB (1) GB191505835A (https=)

Also Published As

Publication number Publication date
DE296134C (https=)
FR480856A (fr) 1916-10-04

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