IN192284B - - Google Patents

Info

Publication number
IN192284B
IN192284B IN2236CA1996A IN192284B IN 192284 B IN192284 B IN 192284B IN 2236CA1996 A IN2236CA1996 A IN 2236CA1996A IN 192284 B IN192284 B IN 192284B
Authority
IN
India
Application number
Other languages
English (en)
Inventor
Jae-Min Park
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 IN192284B publication Critical patent/IN192284B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Electrophonic Musical Instruments (AREA)
IN2236CA1996 1995-12-30 1996-12-24 IN192284B (fa)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950067864A KR100387042B1 (ko) 1995-12-30 1995-12-30 톤신호발생장치

Publications (1)

Publication Number Publication Date
IN192284B true IN192284B (fa) 2004-03-27

Family

ID=19447910

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2236CA1996 IN192284B (fa) 1995-12-30 1996-12-24

Country Status (4)

Country Link
US (1) US5978388A (fa)
KR (1) KR100387042B1 (fa)
CN (1) CN1158639C (fa)
IN (1) IN192284B (fa)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001024748A (ja) * 1999-07-08 2001-01-26 Uniden Corp Ｄｔｍｆ信号発生回路
CA2510617A1 (en) * 2002-12-23 2004-07-15 Christian A. Tahan Method and apparatus for the production of energy
KR102268110B1 (ko) * 2014-08-05 2021-06-22 삼성전자주식회사 데이터를 변조하는 방법 및 장치 및 기록 매체

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798637A (en) * 1971-06-14 1974-03-19 Krone Gmbh Pcm coder with compression characteristic
FR2286564A1 (fr) * 1974-09-30 1976-04-23 Roche Bernard Dispositif synthetiseur de signaux a multifrequences
US3985966A (en) * 1975-07-23 1976-10-12 Rolm Corporation Method and apparatus for generating digital dual frequency signals
US4133979A (en) * 1977-01-26 1979-01-09 Trw, Inc. Multifrequency sender/receiver in a multi-time slot digital data stream
US4205203A (en) * 1978-08-08 1980-05-27 Wescom Switching, Inc. Methods and apparatus for digitally signaling sounds and tones in a PCM multiplex system
CA1124898A (en) * 1979-03-01 1982-06-01 Ernst A. Munter Pcm tone signal generator
US4399535A (en) * 1981-06-18 1983-08-16 Siemens Corporation Digital tone generator
FR2512293B1 (fr) * 1981-08-28 1985-12-27 Telecommunications Sa Procede de codage d'une frequence et dispositif generateur de tonalites obtenu par le procede
US4571723A (en) * 1983-10-24 1986-02-18 Board Of Trustees Of The Leland Stanford Junior University Pulse code modulated digital telephony tone generator
US4570260A (en) * 1983-12-02 1986-02-11 Stromberg-Carlson Corporation Digital tone signal generator for telephony system
JPS61218208A (ja) * 1985-03-22 1986-09-27 Fujitsu Ltd マルチト−ン発生装置
US4727333A (en) * 1986-06-30 1988-02-23 Rca Corporation Circuitry for multiplying a PCM signal by a sinusoid
US5050188A (en) * 1987-06-12 1991-09-17 Josef Dirr Method and apparatus for transmitting coded information
US5127004A (en) * 1989-09-15 1992-06-30 Rockwell International Corporation Tone and announcement message code generator for a telephonic switching system and method
US5340938A (en) * 1990-04-23 1994-08-23 Casio Computer Co., Ltd. Tone generation apparatus with selective assignment of one of tone generation processing modes to tone generation channels
JP2809093B2 (ja) * 1994-02-18 1998-10-08 日本電気株式会社 音声処理装置の通話モニタ
JPH08263094A (ja) * 1995-03-10 1996-10-11 Winbond Electron Corp メロディを混合した音声を発生する合成器

Also Published As

Publication number Publication date
US5978388A (en) 1999-11-02
CN1158639C (zh) 2004-07-21
CN1160907A (zh) 1997-10-01
KR970055370A (ko) 1997-07-31
KR100387042B1 (ko) 2003-08-14

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