FR1223141A - Appareil téléphonique - Google Patents

Appareil téléphonique

Info

Publication number
FR1223141A
FR1223141A FR793779A FR793779A FR1223141A FR 1223141 A FR1223141 A FR 1223141A FR 793779 A FR793779 A FR 793779A FR 793779 A FR793779 A FR 793779A FR 1223141 A FR1223141 A FR 1223141A
Authority
FR
France
Prior art keywords
telephone device
telephone
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
FR793779A
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
Application granted granted Critical
Publication of FR1223141A publication Critical patent/FR1223141A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/60Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/62Constructional arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
FR793779A 1958-05-02 1959-05-02 Appareil téléphonique Expired FR1223141A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE423358 1958-05-02

Publications (1)

Publication Number Publication Date
FR1223141A true FR1223141A (fr) 1960-06-15

Family

ID=20263766

Family Applications (1)

Application Number Title Priority Date Filing Date
FR793779A Expired FR1223141A (fr) 1958-05-02 1959-05-02 Appareil téléphonique

Country Status (6)

Country Link
US (1) US3069508A (fr)
BE (1) BE578042A (fr)
DE (1) DE1127406B (fr)
DK (1) DK97830C (fr)
FR (1) FR1223141A (fr)
GB (1) GB909164A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751600A (en) * 1971-12-22 1973-08-07 Bell Telephone Labor Inc Combination microphone and control stand for loudspeaking telephone set
US4078155A (en) * 1977-01-17 1978-03-07 Northern Telecom Limited Telephone apparatus for use in a conference room
US5912967A (en) * 1997-09-11 1999-06-15 3Com Corp. Speaker-phone assembly and method
US6016346A (en) * 1997-10-21 2000-01-18 3Com Corporation Low-profile speakerphone with downward oriented microphone configuration

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1385286A (en) * 1919-03-25 1921-07-19 John S Timmons Telephone
US2385279A (en) * 1943-01-27 1945-09-18 Bell Telephone Labor Inc Distant talking loud-speaker telephone system
US2392321A (en) * 1944-05-30 1946-01-08 Bell Telephone Labor Inc Desk telephone set
US2542922A (en) * 1945-07-02 1951-02-20 Automatic Elect Lab Loud speaking telephine instrument
BE474660A (fr) * 1946-08-17
US2578367A (en) * 1949-07-28 1951-12-11 Bell Telephone Labor Inc Telephone mounting
DE1029048B (de) * 1956-10-27 1958-04-30 Allg Telefon Fabrik G M B H Wechselsprechanlage mit gleichberechtigten Teilnehmerstellen

Also Published As

Publication number Publication date
DK97830C (da) 1964-01-27
BE578042A (fr) 1959-08-17
DE1127406B (de) 1962-04-12
GB909164A (en) 1962-10-24
US3069508A (en) 1962-12-18

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