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
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)
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 (mo) | 2004-03-27 |
Family
ID=19447910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN2236CA1996 IN192284B (mo) | 1995-12-30 | 1996-12-24 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5978388A (mo) |
| KR (1) | KR100387042B1 (mo) |
| CN (1) | CN1158639C (mo) |
| IN (1) | IN192284B (mo) |
Families Citing this family (3)
| 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)
| 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 |
-
1995
- 1995-12-30 KR KR1019950067864A patent/KR100387042B1/ko not_active Expired - Fee Related
-
1996
- 1996-12-24 IN IN2236CA1996 patent/IN192284B/en unknown
- 1996-12-30 US US08/777,141 patent/US5978388A/en not_active Expired - Lifetime
- 1996-12-30 CN CNB961238046A patent/CN1158639C/zh not_active Expired - Fee Related
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 |