NO310540B1 - Telefon for håndfri betjening - Google Patents

Telefon for håndfri betjening Download PDF

Info

Publication number
NO310540B1
NO310540B1 NO19920310A NO920310A NO310540B1 NO 310540 B1 NO310540 B1 NO 310540B1 NO 19920310 A NO19920310 A NO 19920310A NO 920310 A NO920310 A NO 920310A NO 310540 B1 NO310540 B1 NO 310540B1
Authority
NO
Norway
Prior art keywords
signal
voltage
output
detection circuit
control
Prior art date
Application number
NO19920310A
Other languages
English (en)
Norwegian (no)
Other versions
NO920310L (no
NO920310D0 (no
Inventor
Kyoung-Jun Kim
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of NO920310D0 publication Critical patent/NO920310D0/no
Publication of NO920310L publication Critical patent/NO920310L/no
Publication of NO310540B1 publication Critical patent/NO310540B1/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • 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
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/06—Hooks; Cradles

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
NO19920310A 1991-05-27 1992-01-23 Telefon for håndfri betjening NO310540B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910008595A KR940002146B1 (ko) 1991-05-27 1991-05-27 핸드프리 작동의 유무선 전화기

Publications (3)

Publication Number Publication Date
NO920310D0 NO920310D0 (no) 1992-01-23
NO920310L NO920310L (no) 1992-11-30
NO310540B1 true NO310540B1 (no) 2001-07-16

Family

ID=19314969

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19920310A NO310540B1 (no) 1991-05-27 1992-01-23 Telefon for håndfri betjening

Country Status (6)

Country Link
US (1) US5396550A (fi)
KR (1) KR940002146B1 (fi)
DK (1) DK207791A (fi)
FI (1) FI920393A (fi)
NO (1) NO310540B1 (fi)
SE (1) SE9200053L (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100327731B1 (ko) * 1995-07-04 2002-07-31 삼성전자 주식회사 스피커폰통화종료시통화로자동절단회로및자동대기방법
US5892823A (en) 1996-03-27 1999-04-06 Hello Direct, Inc. Smart interface technology
KR100247004B1 (ko) * 1997-05-13 2000-03-15 윤종용 휴대용 무선단말기의 간섭 제거 방법
JP3070523B2 (ja) * 1997-05-30 2000-07-31 日本電気株式会社 無線通信機
US6741873B1 (en) * 2000-07-05 2004-05-25 Motorola, Inc. Background noise adaptable speaker phone for use in a mobile communication device
JP4567804B1 (ja) * 2009-11-30 2010-10-20 パナソニック株式会社 ハウリング抑制装置、マイク装置、アンプ装置、拡声システムおよびハウリング抑制方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889059A (en) * 1973-03-26 1975-06-10 Northern Electric Co Loudspeaking communication terminal apparatus and method of operation
US4700382A (en) * 1986-03-03 1987-10-13 American Telephone And Telegraph Company, At&T Information Systems, Inc. Voice-switched telephone circuit with center idle state

Also Published As

Publication number Publication date
SE9200053L (sv) 1992-11-28
SE9200053D0 (sv) 1992-01-10
FI920393A (fi) 1992-11-28
KR940002146B1 (ko) 1994-03-18
FI920393A0 (fi) 1992-01-29
DK207791D0 (da) 1991-12-30
KR920022736A (ko) 1992-12-19
US5396550A (en) 1995-03-07
NO920310L (no) 1992-11-30
DK207791A (da) 1992-11-28
NO920310D0 (no) 1992-01-23

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