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SE468783B - Telefonapparat anordnad att foerhindra akustisk koppling mellan telefonsaendare och telefonmottagare - Google Patents

Telefonapparat anordnad att foerhindra akustisk koppling mellan telefonsaendare och telefonmottagare

Info

Publication number
SE468783B
SE468783B SE8700350A SE8700350A SE468783B SE 468783 B SE468783 B SE 468783B SE 8700350 A SE8700350 A SE 8700350A SE 8700350 A SE8700350 A SE 8700350A SE 468783 B SE468783 B SE 468783B
Authority
SE
Sweden
Prior art keywords
telephone
transmitter
receiver
phone
view
Prior art date
Application number
SE8700350A
Other languages
English (en)
Swedish (sv)
Other versions
SE8700350L (sv
SE8700350D0 (sv
Inventor
S Yoshida
A Musha
T Nonami
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of SE8700350D0 publication Critical patent/SE8700350D0/xx
Publication of SE8700350L publication Critical patent/SE8700350L/
Publication of SE468783B publication Critical patent/SE468783B/sv

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
    • H04M1/20—Arrangements for preventing acoustic feed-back

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Micromachines (AREA)
SE8700350A 1986-01-30 1987-01-29 Telefonapparat anordnad att foerhindra akustisk koppling mellan telefonsaendare och telefonmottagare SE468783B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986013442U JPH0625085Y2 (ja) 1986-01-30 1986-01-30 電話機

Publications (3)

Publication Number Publication Date
SE8700350D0 SE8700350D0 (sv) 1987-01-29
SE8700350L SE8700350L (sv) 1987-07-31
SE468783B true SE468783B (sv) 1993-03-15

Family

ID=11833249

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8700350A SE468783B (sv) 1986-01-30 1987-01-29 Telefonapparat anordnad att foerhindra akustisk koppling mellan telefonsaendare och telefonmottagare

Country Status (7)

Country Link
US (1) US4876714A (no)
JP (1) JPH0625085Y2 (no)
AU (1) AU594740B2 (no)
CA (1) CA1265882A (no)
GB (1) GB2187062B (no)
NO (1) NO171440C (no)
SE (1) SE468783B (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3721230A1 (de) * 1987-06-24 1989-01-12 Krone Ag Handapparat fuer einen fernsprechapparat
ATE125992T1 (de) * 1991-01-24 1995-08-15 Hagenuk Telecom Gmbh Handapparat für telefone.
DK0499674T3 (no) * 1991-02-21 1997-02-17 Siemens Ag
DE9209994U1 (de) * 1992-07-24 1992-09-17 Siemens AG, 8000 München Handapparat für eine Fernsprechstation
DE4445840A1 (de) * 1994-12-22 1996-06-27 Telefunken Microelectron Handapparat für Telefon- und Funksprechsysteme
USD736755S1 (en) * 2013-12-09 2015-08-18 Samsung Electronics Co., Ltd. Telephone receiver

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2490637A (en) * 1944-04-06 1949-12-06 Ericsson Telefon Ab L M Handset provided with a sound collecting lid movably mounted before the microphone
GB656723A (en) * 1948-01-10 1951-08-29 Edward Shipton Improvements in or relating to telephone instruments
US2643301A (en) * 1949-04-11 1953-06-23 Nathan J Cornfeld Hand telephone
DE1851782U (de) * 1960-07-29 1962-05-17 Ernst Pless Fuer diktiergeraete bestimmte einrichtung zum aufsprechen und abhoeren von schallaufzeichnungen.
NO120997B (no) * 1964-10-19 1971-01-04 Ring System Maskiner Gustav
US3521008A (en) * 1966-10-31 1970-07-21 Northern Electric Co Telephone instrument
DE1512798B2 (de) * 1967-03-02 1972-03-30 Standard Elektrik Lorenz Ag, 7000 Stuttgart Einteiliger fernsprechapparat
US4178488A (en) * 1977-08-02 1979-12-11 Toa Electric Co., Ltd. Telephone set
US4319095A (en) * 1980-06-06 1982-03-09 Northern Telecom Limited Telephone handset transducer mounting
JPS5719659U (no) * 1980-07-07 1982-02-01
GB2087686B (en) * 1980-10-17 1984-05-31 Lambda Tele Equipment Ltd One piece telephone
US4334321A (en) * 1981-01-19 1982-06-08 Seymour Edelman Opto-acoustic transducer and telephone receiver
JPS57155863U (no) * 1981-03-24 1982-09-30
JPS633252Y2 (no) * 1981-04-13 1988-01-27
US4720857A (en) * 1985-12-06 1988-01-19 Plantronics, Inc. Miniaturized headset for two-way voice communication

Also Published As

Publication number Publication date
CA1265882A (en) 1990-02-13
SE8700350L (sv) 1987-07-31
GB2187062A (en) 1987-08-26
NO171440B (no) 1992-11-30
NO870363D0 (no) 1987-01-29
SE8700350D0 (sv) 1987-01-29
JPS62125045U (no) 1987-08-08
AU6795187A (en) 1987-08-06
JPH0625085Y2 (ja) 1994-06-29
NO171440C (no) 1993-03-10
AU594740B2 (en) 1990-03-15
NO870363L (no) 1987-07-31
US4876714A (en) 1989-10-24
GB8701640D0 (en) 1987-03-04
GB2187062B (en) 1989-11-01

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