FR423356A - Telephone instruments - Google Patents

Telephone instruments

Info

Publication number
FR423356A
FR423356A FR423356A FR423356DA FR423356A FR 423356 A FR423356 A FR 423356A FR 423356 A FR423356 A FR 423356A FR 423356D A FR423356D A FR 423356DA FR 423356 A FR423356 A FR 423356A
Authority
FR
France
Prior art keywords
telephone instruments
instruments
telephone
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
FR423356A
Other languages
French (fr)
Inventor
Felix Gottschalk
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 FR423356A publication Critical patent/FR423356A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
FR423356A 1910-12-06 1910-12-06 Telephone instruments Expired FR423356A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191028396T 1910-12-06

Publications (1)

Publication Number Publication Date
FR423356A true FR423356A (en) 1911-04-14

Family

ID=32495416

Family Applications (1)

Application Number Title Priority Date Filing Date
FR423356A Expired FR423356A (en) 1910-12-06 1910-12-06 Telephone instruments

Country Status (2)

Country Link
FR (1) FR423356A (en)
GB (1) GB191028396A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1029416B (en) * 1956-03-29 1958-05-08 Siemens Ag Contact spring arrangement for electroacoustic transducers
DE1195815B (en) * 1961-01-10 1965-07-01 Siemens Ag Handset for telephone stations

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1029416B (en) * 1956-03-29 1958-05-08 Siemens Ag Contact spring arrangement for electroacoustic transducers
DE1195815B (en) * 1961-01-10 1965-07-01 Siemens Ag Handset for telephone stations

Also Published As

Publication number Publication date
GB191028396A (en) 1911-03-30

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