GB191506586A - Improvements in or relating to Thermic Telephones and Microphones. - Google Patents

Improvements in or relating to Thermic Telephones and Microphones.

Info

Publication number
GB191506586A
GB191506586A GB191506586DA GB191506586A GB 191506586 A GB191506586 A GB 191506586A GB 191506586D A GB191506586D A GB 191506586DA GB 191506586 A GB191506586 A GB 191506586A
Authority
GB
United Kingdom
Prior art keywords
support
conductor
terminals
heating
laid
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 GB191506586A publication Critical patent/GB191506586A/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)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Insulated Conductors (AREA)
GB191506586D 1915-05-03 1915-05-03 Improvements in or relating to Thermic Telephones and Microphones. Expired GB191506586A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191506586T 1915-05-03

Publications (1)

Publication Number Publication Date
GB191506586A true GB191506586A (en) 1916-04-27

Family

ID=32674784

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191506586D Expired GB191506586A (en) 1915-05-03 1915-05-03 Improvements in or relating to Thermic Telephones and Microphones.

Country Status (4)

Country Link
DE (1) DE297633C (https=)
FR (1) FR481660A (https=)
GB (1) GB191506586A (https=)
NL (1) NL4054C (https=)

Also Published As

Publication number Publication date
DE297633C (https=)
FR481660A (fr) 1917-01-05
NL4054C (https=)

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