NL138004A - - Google Patents

Info

Publication number
NL138004A
NL138004A NL138004DA NL138004A NL 138004 A NL138004 A NL 138004A NL 138004D A NL138004D A NL 138004DA NL 138004 A NL138004 A NL 138004A
Authority
NL
Netherlands
Application number
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.)
Publication of NL138004A publication Critical patent/NL138004A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
NL138004D 1942-12-30 NL138004A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US470625A US2405543A (en) 1942-12-30 1942-12-30 Telephone set

Publications (1)

Publication Number Publication Date
NL138004A true NL138004A (en:Method)

Family

ID=23868346

Family Applications (1)

Application Number Title Priority Date Filing Date
NL138004D NL138004A (en:Method) 1942-12-30

Country Status (6)

Country Link
US (1) US2405543A (en:Method)
BE (1) BE465890A (en:Method)
CH (1) CH267227A (en:Method)
FR (1) FR927072A (en:Method)
GB (1) GB611558A (en:Method)
NL (1) NL138004A (en:Method)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2506715A (en) * 1947-08-22 1950-05-09 Automatic Elect Lab Loud-speaking telephone station set with separate acoustic passages to the receiver and transmitter
BE508652A (en:Method) * 1951-01-25
BE555125A (en:Method) * 1956-02-21
NL245026A (en:Method) * 1958-11-05
US3471642A (en) * 1966-08-25 1969-10-07 American Optical Corp Communications headset with transmitter and receiver located in a noise-shielding cup covering mouth
SE363454B (en:Method) * 1970-02-27 1974-01-14 K Blomberg
USD311542S (en) 1989-04-14 1990-10-23 Corneliess Kevin J Telephone handset
GB2310559B (en) * 1996-02-23 2000-09-20 Nokia Mobile Phones Ltd Audio output apparatus for a mobile communication device
FR2763455A1 (fr) * 1997-05-14 1998-11-20 Gerard Quilliou Patin anti-derapant pour combine telephonique.
GB2336499B (en) 1998-03-18 2002-06-12 Nokia Mobile Phones Ltd Audio diaphragm mounting arrangements in radio telephone handsets
CN1292194A (zh) * 1998-11-04 2001-04-18 皇家菲利浦电子有限公司 带有扬声器的移动电话

Also Published As

Publication number Publication date
US2405543A (en) 1946-08-06
GB611558A (en) 1948-11-01
CH267227A (de) 1950-03-15
FR927072A (fr) 1947-10-20
BE465890A (en:Method)

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