CH194900A - Telephonhörer. - Google Patents

Telephonhörer.

Info

Publication number
CH194900A
CH194900A CH194900DA CH194900A CH 194900 A CH194900 A CH 194900A CH 194900D A CH194900D A CH 194900DA CH 194900 A CH194900 A CH 194900A
Authority
CH
Switzerland
Prior art keywords
telephone receiver
telephone
receiver
Prior art date
Application number
Other languages
English (en)
Inventor
E Rappenecker Alfons
Original Assignee
E Rappenecker Alfons
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 E Rappenecker Alfons filed Critical E Rappenecker Alfons
Publication of CH194900A publication Critical patent/CH194900A/de

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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/06—Telephone receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Telephone Set Structure (AREA)
CH194900D 1937-03-16 1937-03-16 Telephonhörer. CH194900A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH499449X 1937-03-16

Publications (1)

Publication Number Publication Date
CH194900A true CH194900A (de) 1937-12-31

Family

ID=4516866

Family Applications (1)

Application Number Title Priority Date Filing Date
CH194900D CH194900A (de) 1937-03-16 1937-03-16 Telephonhörer.

Country Status (2)

Country Link
CH (1) CH194900A (de)
GB (1) GB499449A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE938073C (de) * 1952-06-21 1956-01-19 Canadian Benaudi Comp Ltd Telefonzusatzhoerer
DE957231C (de) * 1953-02-22 1957-01-31 Standard Elek K Ag Zusatzhoerer fuer Fernsprechstationen
DE1112118B (de) * 1958-08-29 1961-08-03 Siemens Ag Hoerer, insbesondere Zweithoerer fuer Fernsprechstationen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE938073C (de) * 1952-06-21 1956-01-19 Canadian Benaudi Comp Ltd Telefonzusatzhoerer
DE957231C (de) * 1953-02-22 1957-01-31 Standard Elek K Ag Zusatzhoerer fuer Fernsprechstationen
DE1112118B (de) * 1958-08-29 1961-08-03 Siemens Ag Hoerer, insbesondere Zweithoerer fuer Fernsprechstationen

Also Published As

Publication number Publication date
GB499449A (en) 1939-01-24

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