FR480857A - Téléphone thermique - Google Patents

Téléphone thermique

Info

Publication number
FR480857A
FR480857A FR480857DA FR480857A FR 480857 A FR480857 A FR 480857A FR 480857D A FR480857D A FR 480857DA FR 480857 A FR480857 A FR 480857A
Authority
FR
France
Prior art keywords
phone
thermal
thermal phone
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
Application granted granted Critical
Publication of FR480857A publication Critical patent/FR480857A/fr
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)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Telephone Set Structure (AREA)
FR480857D 1915-02-10 1916-02-04 Téléphone thermique Expired FR480857A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE297247T 1915-02-10

Publications (1)

Publication Number Publication Date
FR480857A true FR480857A (fr) 1916-10-04

Family

ID=32668493

Family Applications (1)

Application Number Title Priority Date Filing Date
FR480857D Expired FR480857A (fr) 1915-02-10 1916-02-04 Téléphone thermique

Country Status (4)

Country Link
DE (1) DE297247C (fr)
FR (1) FR480857A (fr)
GB (1) GB191505836A (fr)
NL (1) NL4051C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017035358A1 (fr) 2015-08-25 2017-03-02 Hellermanntyton Corporation Support de trou borgne
US12338848B2 (en) 2022-06-30 2025-06-24 Hellermanntyton Corporation Anti-wobble fir tree mount

Also Published As

Publication number Publication date
DE297247C (fr)
NL4051C (fr)
GB191505836A (en) 1916-04-19

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