GB191505832A - A Process for the Manufacture of Heating Conductors for Thermic Telephones from Wires Treated by the Wollaston Process. - Google Patents

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

Info

Publication number
GB191505832A
GB191505832A GB191505832DA GB191505832A GB 191505832 A GB191505832 A GB 191505832A GB 191505832D A GB191505832D A GB 191505832DA GB 191505832 A GB191505832 A GB 191505832A
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 GB191505832A publication Critical patent/GB191505832A/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)
  • Processes Specially Adapted For Manufacturing Cables (AREA)
  • Non-Insulated Conductors (AREA)
  • ing And Chemical Polishing (AREA)
  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)
GB191505832D 1915-02-06 1915-04-19 A Process for the Manufacture of Heating Conductors for Thermic Telephones from Wires Treated by the Wollaston Process. Expired GB191505832A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191505832X 1915-02-06

Publications (1)

Publication Number Publication Date
GB191505832A true GB191505832A (en) 1916-04-19

Family

ID=32668490

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191505832D Expired GB191505832A (en) 1915-02-06 1915-04-19 A Process for the Manufacture of Heating Conductors for Thermic Telephones from Wires Treated by the Wollaston Process.

Country Status (2)

Country Link
DE (1) DE298383C (enExample)
GB (1) GB191505832A (enExample)

Also Published As

Publication number Publication date
DE298383C (enExample)

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