FI951466A0 - An embodiment of telecommunications terminals for using a handset microphone as a hands-free microphone - Google Patents

An embodiment of telecommunications terminals for using a handset microphone as a hands-free microphone

Info

Publication number
FI951466A0
FI951466A0 FI951466A FI951466A FI951466A0 FI 951466 A0 FI951466 A0 FI 951466A0 FI 951466 A FI951466 A FI 951466A FI 951466 A FI951466 A FI 951466A FI 951466 A0 FI951466 A0 FI 951466A0
Authority
FI
Finland
Prior art keywords
microphone
hands
telecommunications terminals
handset
free
Prior art date
Application number
FI951466A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI951466A (en
Inventor
Rolf Baumeister
Florian Jankowsky
Hans-Juergen Neuhaus
Original Assignee
Deutsche Telephonwerk Kabel
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 Deutsche Telephonwerk Kabel filed Critical Deutsche Telephonwerk Kabel
Publication of FI951466A0 publication Critical patent/FI951466A0/en
Publication of FI951466A publication Critical patent/FI951466A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/62—Constructional arrangements
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
FI951466A 1994-03-28 1995-03-28 An embodiment of telecommunications terminals for using a handset microphone as a hands-free microphone FI951466A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4411322 1994-03-28

Publications (2)

Publication Number Publication Date
FI951466A0 true FI951466A0 (en) 1995-03-28
FI951466A FI951466A (en) 1995-09-29

Family

ID=6514404

Family Applications (1)

Application Number Title Priority Date Filing Date
FI951466A FI951466A (en) 1994-03-28 1995-03-28 An embodiment of telecommunications terminals for using a handset microphone as a hands-free microphone

Country Status (3)

Country Link
EP (1) EP0675623A3 (en)
FI (1) FI951466A (en)
NO (1) NO951176L (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2115848A1 (en) * 1971-04-01 1972-10-12 Telefonbau & Normalzeit Gmbh Telephone with hands-free facility
US4178488A (en) * 1977-08-02 1979-12-11 Toa Electric Co., Ltd. Telephone set
DE9016812U1 (en) * 1990-12-12 1991-02-28 Siemens Ag, 8000 Muenchen, De

Also Published As

Publication number Publication date
EP0675623A3 (en) 1995-11-08
EP0675623A2 (en) 1995-10-04
FI951466A (en) 1995-09-29
NO951176D0 (en) 1995-03-27
NO951176L (en) 1995-09-29

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Legal Events

Date Code Title Description
FD Application lapsed