GB123727A - Improvements in or relating to Thermic Telephones or like Electrical Apparatus Provided with Heating Conductors. - Google Patents

Improvements in or relating to Thermic Telephones or like Electrical Apparatus Provided with Heating Conductors.

Info

Publication number
GB123727A
GB123727A GB361919A GB361919A GB123727A GB 123727 A GB123727 A GB 123727A GB 361919 A GB361919 A GB 361919A GB 361919 A GB361919 A GB 361919A GB 123727 A GB123727 A GB 123727A
Authority
GB
United Kingdom
Prior art keywords
support
loops
relating
lower ends
apparatus provided
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
GB361919A
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 GB123727A publication Critical patent/GB123727A/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; DEAF-AID SETS; 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)
  • Pipe Accessories (AREA)
  • Insulated Conductors (AREA)
GB361919A 1918-02-15 1919-02-14 Improvements in or relating to Thermic Telephones or like Electrical Apparatus Provided with Heating Conductors. Expired GB123727A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE318481T 1918-02-15

Publications (1)

Publication Number Publication Date
GB123727A true GB123727A (en) 1919-09-04

Family

ID=32332101

Family Applications (1)

Application Number Title Priority Date Filing Date
GB361919A Expired GB123727A (en) 1918-02-15 1919-02-14 Improvements in or relating to Thermic Telephones or like Electrical Apparatus Provided with Heating Conductors.

Country Status (4)

Country Link
DE (1) DE318481C (cs)
FR (1) FR495443A (cs)
GB (1) GB123727A (cs)
NL (1) NL5748C (cs)

Also Published As

Publication number Publication date
NL5748C (cs)
DE318481C (cs)
FR495443A (fr) 1919-10-08

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