DK123130B - Konbineret højt- og lavttalende telefonapparat med to akustiske omsættere. - Google Patents

Konbineret højt- og lavttalende telefonapparat med to akustiske omsættere.

Info

Publication number
DK123130B
DK123130B DK551570AA DK551570A DK123130B DK 123130 B DK123130 B DK 123130B DK 551570A A DK551570A A DK 551570AA DK 551570 A DK551570 A DK 551570A DK 123130 B DK123130 B DK 123130B
Authority
DK
Denmark
Prior art keywords
voice telephone
low voice
acoustic converters
loud
combined
Prior art date
Application number
DK551570AA
Other languages
Danish (da)
English (en)
Inventor
H Ziegler
A Joergensen
O Olsson
A Carlsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of DK123130B publication Critical patent/DK123130B/da

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
DK551570AA 1969-10-30 1970-10-29 Konbineret højt- og lavttalende telefonapparat med to akustiske omsættere. DK123130B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE14838/69A SE336609B (he) 1969-10-30 1969-10-30

Publications (1)

Publication Number Publication Date
DK123130B true DK123130B (da) 1972-05-15

Family

ID=20299754

Family Applications (1)

Application Number Title Priority Date Filing Date
DK551570AA DK123130B (da) 1969-10-30 1970-10-29 Konbineret højt- og lavttalende telefonapparat med to akustiske omsættere.

Country Status (11)

Country Link
US (1) US3659050A (he)
JP (1) JPS504481B1 (he)
CH (1) CH520452A (he)
DE (1) DE2053862B2 (he)
DK (1) DK123130B (he)
FR (1) FR2066714A5 (he)
GB (1) GB1280388A (he)
NL (1) NL170581C (he)
NO (1) NO123778B (he)
SE (1) SE336609B (he)
SU (1) SU370815A3 (he)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD244849S (en) * 1976-02-17 1977-06-28 E.T.E. - Electronic Telephone Equipment, S.r.l. Telephone set, or similar article
US4178488A (en) * 1977-08-02 1979-12-11 Toa Electric Co., Ltd. Telephone set
FR2415395A1 (fr) * 1978-01-20 1979-08-17 Barbier Francoise Poste telephonique simple ou d'intercommunication
FR2448264A1 (fr) * 1979-01-30 1980-08-29 Toa Electric Co Ltd Perfectionnement a un appareil telephonique
DE3412111A1 (de) * 1984-03-31 1985-10-10 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung fuer eine sprachgesteuerte freisprecheinrichtung
US4680790A (en) * 1985-08-22 1987-07-14 Joerns Healthcare, Inc. Bedside control module for healthcare stations and the like
DE3600835A1 (de) * 1986-01-14 1989-01-05 Porsche Design Gmbh Telefonapparat
DE3616314A1 (de) * 1986-05-13 1987-11-19 Krone Ag Fernsprechapparat mit freisprecheinrichtung
DE3736608C1 (de) * 1987-10-29 1988-10-06 Telefonbau & Normalzeit Gmbh Ladestation fuer ein schnurloses Telefon
US5050209A (en) * 1988-08-31 1991-09-17 Nec Corporation Telephone set
US5276916A (en) * 1991-10-08 1994-01-04 Motorola, Inc. Communication device having a speaker and microphone
DE4408324C2 (de) * 1994-03-11 1998-01-15 Siemens Ag Kompakt-Fernsprechendgerät
US5542105A (en) * 1994-10-07 1996-07-30 Motorola, Inc. Position sense radio carry case apparatus and method of using same
US5749056A (en) * 1995-08-31 1998-05-05 Motorola, Inc. Audio ramping technique for a radio
US5826187A (en) * 1996-01-02 1998-10-20 Casio Phonemate, Inc. Integrated cordless telephone with telephone answering device and method of replaying messages through a handset thereof
US5884156A (en) * 1996-02-20 1999-03-16 Geotek Communications Inc. Portable communication device
US5732144A (en) * 1996-07-01 1998-03-24 Motorola, Inc. Remote microphone display select system and method of using same
US5911124A (en) * 1997-02-03 1999-06-08 Motorola, Inc. Method and apparatus for applying echo mitigation in a communication device
USD527720S1 (en) 2005-08-23 2006-09-05 Pchome Online Inc. Telephone
USD894862S1 (en) * 2018-10-18 2020-09-01 Meizhou Guo Wei Electronics Co. Ltd. Communications equipment
CN109413254A (zh) * 2018-12-19 2019-03-01 上海中航光电子有限公司 一种改善触控终端的电流噪声的方法及系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE563970A (he) * 1957-01-15
NO120997B (he) * 1964-10-19 1971-01-04 Ring System Maskiner Gustav

Also Published As

Publication number Publication date
DE2053862A1 (de) 1971-05-13
SU370815A3 (he) 1973-02-15
US3659050A (en) 1972-04-25
NL7015357A (he) 1971-05-04
CH520452A (de) 1972-03-15
NL170581B (nl) 1982-06-16
SE336609B (he) 1971-07-12
DE2053862B2 (de) 1971-11-04
JPS504481B1 (he) 1975-02-20
NL170581C (nl) 1982-11-16
FR2066714A5 (he) 1971-08-06
GB1280388A (en) 1972-07-05
NO123778B (he) 1972-01-10

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Legal Events

Date Code Title Description
PBP Patent lapsed