GB611558A - Improvements in or relating to telephone instruments - Google Patents

Improvements in or relating to telephone instruments

Info

Publication number
GB611558A
GB611558A GB13198/46A GB1319846A GB611558A GB 611558 A GB611558 A GB 611558A GB 13198/46 A GB13198/46 A GB 13198/46A GB 1319846 A GB1319846 A GB 1319846A GB 611558 A GB611558 A GB 611558A
Authority
GB
United Kingdom
Prior art keywords
receiver
piece
base
transmitter
plate
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB13198/46A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB611558A publication Critical patent/GB611558A/en
Expired legal-status Critical Current

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
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
GB13198/46A 1942-12-30 1946-05-01 Improvements in or relating to telephone instruments Expired GB611558A (en)

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
GB611558A true GB611558A (en) 1948-11-01

Family

ID=23868346

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13198/46A Expired GB611558A (en) 1942-12-30 1946-05-01 Improvements in or relating to telephone instruments

Country Status (6)

Country Link
US (1) US2405543A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE465890A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH267227A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR927072A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB611558A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL138004A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2310559A (en) * 1996-02-23 1997-08-27 Nokia Mobile Phones Ltd Loudspeaker housing arrangements
GB2336499A (en) * 1998-03-18 1999-10-20 Nokia Mobile Phones Ltd Audio transducer enclosure for a mobile phone

Families Citing this family (9)

* 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
NL77026C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1951-01-25
BE555125A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1956-02-21
NL245026A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1970-02-27 1974-01-14 K Blomberg
USD311542S (en) 1989-04-14 1990-10-23 Corneliess Kevin J Telephone handset
FR2763455A1 (fr) * 1997-05-14 1998-11-20 Gerard Quilliou Patin anti-derapant pour combine telephonique.
JP2002529967A (ja) * 1998-11-04 2002-09-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 拡声器を具備した移動電話機

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2310559A (en) * 1996-02-23 1997-08-27 Nokia Mobile Phones Ltd Loudspeaker housing arrangements
GB2310559B (en) * 1996-02-23 2000-09-20 Nokia Mobile Phones Ltd Audio output apparatus for a mobile communication device
GB2336499A (en) * 1998-03-18 1999-10-20 Nokia Mobile Phones Ltd Audio transducer enclosure for a mobile phone
US6266516B1 (en) 1998-03-18 2001-07-24 Nokia Mobile Phones Limited Audio diaphragm mounting arrangements in radio telephone handsets
GB2336499B (en) * 1998-03-18 2002-06-12 Nokia Mobile Phones Ltd Audio diaphragm mounting arrangements in radio telephone handsets

Also Published As

Publication number Publication date
CH267227A (de) 1950-03-15
FR927072A (fr) 1947-10-20
BE465890A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL138004A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US2405543A (en) 1946-08-06

Similar Documents

Publication Publication Date Title
GB611558A (en) Improvements in or relating to telephone instruments
GB670868A (en) A filter for sound vibrations and a microphone and telephone provided therewith
GB656723A (en) Improvements in or relating to telephone instruments
GB549518A (en) Improvements in or relating to microphones
GB459024A (en) Improvements in elastic sanitary telephone protectors
GB761169A (en) Improvements in or relating to hearing aids
GB633592A (en) Improvements in or relating to casings for telephone instruments
GB698927A (en) Improvements in or relating to telephone instruments
GB909164A (en) Improvements in or relating to loudspeaking telephone instruments
GB340692A (en) Dialling handle for use with automatic telephone
GB661887A (en) Improvements in or relating to mounting for loudspeakers
GB929851A (en) Improvements relating to hailing equipment
GB672490A (en) Improvements in or relating to a telephone instrument having a dialling switch
GB502156A (en) Improvements in or relating to hair drying appliances
GB782966A (en) Telephone handset with extensions for providing privacy to the user
GB670164A (en) Improvements in or relating to telephone receivers
GB1016716A (en) Improvements relating to electro-acoustic transducers
GB739216A (en) Improvements in or relating to telephone subsets incorporating bell sets
GB638920A (en) Improvements in or relating to head-gear for electro-acoustic transducers
GB1117810A (en) Improvements in telephone instruments
GB655229A (en) Improvements in or relating to operating circuits for moving-coil loudspeakers
GB934632A (en) Improvements in or relating to apparatus for transmitting acoustic vibrations provided with a variable acoustic impedance
GB691272A (en) Improvements in or relating to telephone hearing aid devices
GB606997A (en) Improvements in or relating to telephone instruments
GB693290A (en) Improvements in or relating to telephones