DK345988A - MICROPHONE FOR PHONE DEVICE - Google Patents

MICROPHONE FOR PHONE DEVICE

Info

Publication number
DK345988A
DK345988A DK345988A DK345988A DK345988A DK 345988 A DK345988 A DK 345988A DK 345988 A DK345988 A DK 345988A DK 345988 A DK345988 A DK 345988A DK 345988 A DK345988 A DK 345988A
Authority
DK
Denmark
Prior art keywords
microphone
phone device
phone
Prior art date
Application number
DK345988A
Other languages
Danish (da)
Other versions
DK345988D0 (en
Inventor
Klaus Laube
Thomas Hoffmann
Ferenc Nad
Original Assignee
Krone Ag
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 Krone Ag filed Critical Krone Ag
Publication of DK345988D0 publication Critical patent/DK345988D0/en
Publication of DK345988A publication Critical patent/DK345988A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/19Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/03Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Television Systems (AREA)
  • Telephone Function (AREA)
DK345988A 1987-06-24 1988-06-23 MICROPHONE FOR PHONE DEVICE DK345988A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873721230 DE3721230A1 (en) 1987-06-24 1987-06-24 HANDSET FOR A TELEPHONE

Publications (2)

Publication Number Publication Date
DK345988D0 DK345988D0 (en) 1988-06-23
DK345988A true DK345988A (en) 1988-12-25

Family

ID=6330392

Family Applications (1)

Application Number Title Priority Date Filing Date
DK345988A DK345988A (en) 1987-06-24 1988-06-23 MICROPHONE FOR PHONE DEVICE

Country Status (5)

Country Link
EP (1) EP0297023A3 (en)
DE (1) DE3721230A1 (en)
DK (1) DK345988A (en)
FI (1) FI882984A (en)
NO (1) NO882158L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0499674T3 (en) * 1991-02-21 1997-02-17 Siemens Ag
DE4445840A1 (en) * 1994-12-22 1996-06-27 Telefunken Microelectron Handset for telephone and radio communication systems

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2190467A (en) * 1937-10-08 1940-02-13 Bell Telephone Labor Inc Telephone substation apparatus
GB656723A (en) * 1948-01-10 1951-08-29 Edward Shipton Improvements in or relating to telephone instruments
DE1112121B (en) * 1959-12-11 1961-08-03 Siemens Ag Handset
GB2087686B (en) * 1980-10-17 1984-05-31 Lambda Tele Equipment Ltd One piece telephone
DE3420586A1 (en) * 1984-06-01 1985-12-05 Siemens AG, 1000 Berlin und 8000 München Compact telephone
JPH0625085Y2 (en) * 1986-01-30 1994-06-29 三菱電機株式会社 Telephone

Also Published As

Publication number Publication date
DK345988D0 (en) 1988-06-23
FI882984A0 (en) 1988-06-22
DE3721230C2 (en) 1989-04-06
EP0297023A2 (en) 1988-12-28
EP0297023A3 (en) 1989-11-15
NO882158L (en) 1988-12-27
FI882984A (en) 1988-12-25
NO882158D0 (en) 1988-05-18
DE3721230A1 (en) 1989-01-12

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment