ATA78377A - Freisprecheinrichtung fuer notruftelefone od.dgl. - Google Patents

Freisprecheinrichtung fuer notruftelefone od.dgl.

Info

Publication number
ATA78377A
ATA78377A AT78377A AT78377A ATA78377A AT A78377 A ATA78377 A AT A78377A AT 78377 A AT78377 A AT 78377A AT 78377 A AT78377 A AT 78377A AT A78377 A ATA78377 A AT A78377A
Authority
AT
Austria
Prior art keywords
dgl
hands
free device
emergency phones
phones
Prior art date
Application number
AT78377A
Other languages
English (en)
Other versions
AT351607B (de
Inventor
Siegfried Wegner
Original Assignee
Elmeg
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 Elmeg filed Critical Elmeg
Publication of ATA78377A publication Critical patent/ATA78377A/de
Application granted granted Critical
Publication of AT351607B publication Critical patent/AT351607B/de

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
    • H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Telephone Function (AREA)
AT78377A 1976-02-10 1977-02-07 Freisprecheinrichtung fuer notruftelefone od.dgl. AT351607B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2605086A DE2605086B2 (de) 1976-02-10 1976-02-10 Freisprecheinrichtung für Notruftelefone

Publications (2)

Publication Number Publication Date
ATA78377A true ATA78377A (de) 1979-01-15
AT351607B AT351607B (de) 1979-08-10

Family

ID=5969454

Family Applications (1)

Application Number Title Priority Date Filing Date
AT78377A AT351607B (de) 1976-02-10 1977-02-07 Freisprecheinrichtung fuer notruftelefone od.dgl.

Country Status (7)

Country Link
AT (1) AT351607B (de)
CH (1) CH614575A5 (de)
DE (1) DE2605086B2 (de)
FR (1) FR2341237A1 (de)
GB (1) GB1567548A (de)
IT (1) IT1077623B (de)
SE (1) SE7701423L (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2218878A (en) * 1988-02-12 1989-11-22 Mars Inc Telephone
GB2218302A (en) * 1988-05-07 1989-11-08 Crystalate Electronics Hands-free telephone
GB2310559B (en) * 1996-02-23 2000-09-20 Nokia Mobile Phones Ltd Audio output apparatus for a mobile communication device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE135160C (de) *
DE132355C (de) *
US2581251A (en) * 1949-08-09 1952-01-01 Bell Telephone Labor Inc Telephone booth
US3144513A (en) * 1961-05-26 1964-08-11 Sherron Metallic Corp Telephone booth
FR1429988A (fr) * 1965-04-16 1966-02-25 Proburbel Cabine d'insonorisation
DE2245881A1 (de) * 1972-09-19 1974-03-28 Manfred Unger Gegensprechanlage fuer motorradfahrer zum einbau in vollvisierhelme
DE7342649U (de) * 1973-11-30 1974-04-04 Neumann Elektronik Gmbh Notrufsäule mit Schwenktüre

Also Published As

Publication number Publication date
DE2605086A1 (de) 1977-08-11
AT351607B (de) 1979-08-10
DE2605086B2 (de) 1979-10-04
GB1567548A (en) 1980-05-14
CH614575A5 (en) 1979-11-30
IT1077623B (it) 1985-05-04
SE7701423L (sv) 1977-08-11
FR2341237A1 (fr) 1977-09-09

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties