GB191404203A - A Method of Manufacture of Heating Conductors for Thermic Telephones from Platinum Wires Trated by the Wollastone Process. - Google Patents

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

Info

Publication number
GB191404203A
GB191404203A GB191404203DA GB191404203A GB 191404203 A GB191404203 A GB 191404203A GB 191404203D A GB191404203D A GB 191404203DA GB 191404203 A GB191404203 A GB 191404203A
Authority
GB
United Kingdom
Prior art keywords
wollastone
trated
manufacture
heating conductors
platinum wires
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
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 GB191404203A publication Critical patent/GB191404203A/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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Wire Processing (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Insulating Bodies (AREA)

Abstract

4203. Lange, P. de. June 3, 1913, [Convention date]. [Addition to 4184J14.] Hot-wire receivers are provided with T-shaped supports for the filaments having holes or grooves in their cross-pieces 9, 10 into which the ends of the filaments 1 fit. The cross-pieces 9, 10 may be of circular, rectangular, or other shape in cross-section. The filaments may be prepared as described in the parent Specification, and their ends may be flattened and soldered or riveted to the supports. The stems of the supports may pass through a block of insulating-material which fits into a casing having a perforated cover.
GB191404203D 1913-05-08 1914-02-18 A Method of Manufacture of Heating Conductors for Thermic Telephones from Platinum Wires Trated by the Wollastone Process. Expired GB191404203A (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
GB191404203A true GB191404203A (en) 1915-02-11

Family

ID=32826443

Family Applications (3)

Application Number Title Priority Date Filing Date
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.
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.

Family Applications After (2)

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.

Country Status (4)

Country Link
DE (3) DE306014C (en)
FR (1) FR468597A (en)
GB (3) GB191404203A (en)
NL (2) NL2566C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019059942A1 (en) 2017-09-25 2019-03-28 Faurecia Emissions Control Technologies, Usa, Llc Acoustic volume in hot-end of exhaust systems

Also Published As

Publication number Publication date
DE306014C (en)
DE309334C (en)
DE305716C (en)
GB191404184A (en) 1915-02-11
GB191404220A (en) 1915-04-29
NL2566C (en)
NL1896C (en)
FR468597A (en) 1914-07-09

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