GB191119011A - Improvements in and relating to Telephones. - Google Patents

Improvements in and relating to Telephones.

Info

Publication number
GB191119011A
GB191119011A GB191119011DA GB191119011A GB 191119011 A GB191119011 A GB 191119011A GB 191119011D A GB191119011D A GB 191119011DA GB 191119011 A GB191119011 A GB 191119011A
Authority
GB
United Kingdom
Prior art keywords
telephones
points
relating
fine wire
wire
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)
Inventor
Bronislaw Gwozdz
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191119011A publication Critical patent/GB191119011A/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)
  • Electron Sources, Ion Sources (AREA)
  • Communication Cables (AREA)
  • Surface Heating Bodies (AREA)
GB191119011D 1911-06-17 1911-08-24 Improvements in and relating to Telephones. Expired GB191119011A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191119011X 1911-06-17

Publications (1)

Publication Number Publication Date
GB191119011A true GB191119011A (en) 1912-05-02

Family

ID=32521996

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191119011D Expired GB191119011A (en) 1911-06-17 1911-08-24 Improvements in and relating to Telephones.

Country Status (2)

Country Link
DE (1) DE259961C (https=)
GB (1) GB191119011A (https=)

Also Published As

Publication number Publication date
DE259961C (https=)

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