GB191404184A - A Method of Manufacture of Heating Conductors for Thermic Telephones from Platinum Wires Treated by the Wollastone Process. - Google Patents

A Method of Manufacture of Heating Conductors for Thermic Telephones from Platinum Wires Treated by the Wollastone Process.

Info

Publication number
GB191404184A
GB191404184A GB191404184DA GB191404184A GB 191404184 A GB191404184 A GB 191404184A GB 191404184D A GB191404184D A GB 191404184DA GB 191404184 A GB191404184 A GB 191404184A
Authority
GB
United Kingdom
Prior art keywords
wollastone
manufacture
heating conductors
platinum wires
wires treated
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
Pieter De Lange
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 GB191404184A publication Critical patent/GB191404184A/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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Resistance Heating (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Wire Processing (AREA)
  • Insulating Bodies (AREA)
GB191404184D 1913-05-08 1914-02-18 A Method of Manufacture of Heating Conductors for Thermic Telephones from Platinum Wires Treated by the Wollastone Process. Expired GB191404184A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE306014T 1913-05-08
DE309334T 1913-06-03

Publications (1)

Publication Number Publication Date
GB191404184A true GB191404184A (en) 1915-02-11

Family

ID=32826443

Family Applications (3)

Application Number Title Priority Date Filing Date
GB191404184D Expired GB191404184A (en) 1913-05-08 1914-02-18 A Method of Manufacture of Heating Conductors for Thermic Telephones from Platinum Wires Treated by the Wollastone Process.
GB191404220D Expired GB191404220A (en) 1913-05-08 1914-02-18 A Support for the Heating Conductor of Thermic Telephones, and a Method for its Manufacture.
GB191404203D Expired GB191404203A (en) 1913-05-08 1914-02-18 A Method of Manufacture of Heating Conductors for Thermic Telephones from Platinum Wires Trated by the Wollastone Process.

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB191404220D Expired GB191404220A (en) 1913-05-08 1914-02-18 A Support for the Heating Conductor of Thermic Telephones, and a Method for its Manufacture.
GB191404203D Expired GB191404203A (en) 1913-05-08 1914-02-18 A Method of Manufacture of Heating Conductors for Thermic Telephones from Platinum Wires Trated by the Wollastone Process.

Country Status (4)

Country Link
DE (3) DE306014C (https=)
FR (1) FR468597A (https=)
GB (3) GB191404184A (https=)
NL (2) NL1896C (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3688289A4 (en) 2017-09-25 2021-03-24 Faurecia Emissions Control Technologies, USA, LLC ACOUSTIC VOLUME AT THE HOT END OF EXHAUST SYSTEMS

Also Published As

Publication number Publication date
DE306014C (https=)
DE309334C (https=)
FR468597A (fr) 1914-07-09
GB191404203A (en) 1915-02-11
NL1896C (https=)
GB191404220A (en) 1915-04-29
DE305716C (https=)
NL2566C (https=)

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