GB191504353A - Improvements in or relating to Thermic Telephones. - Google Patents

Improvements in or relating to Thermic Telephones.

Info

Publication number
GB191504353A
GB191504353A GB191504353DA GB191504353A GB 191504353 A GB191504353 A GB 191504353A GB 191504353D A GB191504353D A GB 191504353DA GB 191504353 A GB191504353 A GB 191504353A
Authority
GB
United Kingdom
Prior art keywords
block
wires
sleeve
central
holes
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.)
ELEKTROTECHNISCHE SPEZIALKONSTRUKTIONEN GmbH
Original Assignee
ELEKTROTECHNISCHE SPEZIALKONSTRUKTIONEN GmbH
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 ELEKTROTECHNISCHE SPEZIALKONSTRUKTIONEN GmbH filed Critical ELEKTROTECHNISCHE SPEZIALKONSTRUKTIONEN GmbH
Application granted granted Critical
Publication of GB191504353A publication Critical patent/GB191504353A/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)
  • Manufacturing Of Electrical Connectors (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
GB191504353D 1914-03-25 1915-03-19 Improvements in or relating to Thermic Telephones. Expired GB191504353A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE283703T 1914-03-25

Publications (1)

Publication Number Publication Date
GB191504353A true GB191504353A (en) 1915-07-29

Family

ID=32605053

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191504353D Expired GB191504353A (en) 1914-03-25 1915-03-19 Improvements in or relating to Thermic Telephones.

Country Status (4)

Country Link
DE (1) DE283703C (cs)
FR (1) FR510941A (cs)
GB (1) GB191504353A (cs)
NL (1) NL1925C (cs)

Also Published As

Publication number Publication date
DE283703C (cs) 1915-04-23
FR510941A (fr) 1920-12-14
NL1925C (cs) 1917-02-22

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