ATE111280T1 - Digitales mischtonwecksystem. - Google Patents
Digitales mischtonwecksystem.Info
- Publication number
- ATE111280T1 ATE111280T1 AT89301858T AT89301858T ATE111280T1 AT E111280 T1 ATE111280 T1 AT E111280T1 AT 89301858 T AT89301858 T AT 89301858T AT 89301858 T AT89301858 T AT 89301858T AT E111280 T1 ATE111280 T1 AT E111280T1
- Authority
- AT
- Austria
- Prior art keywords
- tone
- alarm system
- digital mixed
- digital
- sign
- Prior art date
Links
Classifications
-
- 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
- H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
-
- 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
- H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
- H04Q1/448—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency with conversion of a single frequency signal into a digital signal
- H04Q1/4485—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency with conversion of a single frequency signal into a digital signal which is transmitted in digital form
-
- 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
- H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
- H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Devices For Supply Of Signal Current (AREA)
- Alarm Systems (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Emergency Alarm Devices (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Electrophonic Musical Instruments (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000560534A CA1287417C (en) | 1988-03-04 | 1988-03-04 | Digital composite tone alerting |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE111280T1 true ATE111280T1 (de) | 1994-09-15 |
Family
ID=4137565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT89301858T ATE111280T1 (de) | 1988-03-04 | 1989-02-24 | Digitales mischtonwecksystem. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4972466A (de) |
EP (1) | EP0331371B1 (de) |
JP (1) | JP3025768B2 (de) |
KR (1) | KR970004062B1 (de) |
CN (1) | CN1016927B (de) |
AT (1) | ATE111280T1 (de) |
CA (1) | CA1287417C (de) |
DE (1) | DE68917956T2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE469865B (sv) * | 1992-02-17 | 1993-09-27 | Ericsson Telefon Ab L M | Sätt att etablera samarbete med en funktionalitet samt anordning för utövande av sättet |
US5384807A (en) * | 1992-07-02 | 1995-01-24 | Motorola, Inc. | ADPCM transcoder with integral tone generation and method therefor |
KR970024789A (ko) * | 1995-10-16 | 1997-05-30 | 김광호 | 전화기에서 벨소리 다양화 방법 |
JP2004516709A (ja) * | 2000-12-13 | 2004-06-03 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 主観的な低音を知覚させることができる呼出信号発生手段を有する電気音響装置 |
KR100816151B1 (ko) * | 2001-07-25 | 2008-03-24 | 엘지노텔 주식회사 | 사설교환기의 다중 벨소리 제공장치 |
CN110675857A (zh) * | 2019-09-23 | 2020-01-10 | 湖北亿咖通科技有限公司 | 一种语音识别自动化测试系统及方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3924077A (en) * | 1973-07-05 | 1975-12-02 | Thomas R Blakeslee | Pulse code modulation time division multiplex telephone system |
JPS5334923B2 (de) * | 1973-08-28 | 1978-09-25 | ||
IT1143632B (it) * | 1977-01-24 | 1986-10-22 | Sits Soc It Telecom Siemens | Circuito rivelatore di chiamata acustica,specialmente per apparecchi telefonici |
JPS5689165A (en) * | 1979-12-21 | 1981-07-20 | Toshiba Corp | Intermittent ringing tone generation system |
US4322581A (en) * | 1980-02-11 | 1982-03-30 | Stromberg-Carlson Corporation | Multifunction telephone with message information and control information circuits for connecting stations and common equipment in a telephone network |
US4658419A (en) * | 1981-07-22 | 1987-04-14 | Floyd Bell Associates, Inc. | Telephone ringer circuit |
US4534041A (en) * | 1982-02-12 | 1985-08-06 | Northern Telecom Limited | Digital circuit for determining the envelope frequency of PCM encoded call progress tones in a telephone system |
US4477697A (en) * | 1982-11-22 | 1984-10-16 | At&T Bell Laboratories | Method and circuitry for encoding telephone ringing signals |
DE3426915A1 (de) * | 1984-07-21 | 1986-01-30 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Verfahren zur erzeugung eines akustischen rufsignals |
-
1988
- 1988-03-04 CA CA000560534A patent/CA1287417C/en not_active Expired - Fee Related
-
1989
- 1989-02-24 EP EP89301858A patent/EP0331371B1/de not_active Expired - Lifetime
- 1989-02-24 AT AT89301858T patent/ATE111280T1/de not_active IP Right Cessation
- 1989-02-24 DE DE68917956T patent/DE68917956T2/de not_active Expired - Fee Related
- 1989-03-01 JP JP1046705A patent/JP3025768B2/ja not_active Expired - Fee Related
- 1989-03-03 CN CN89101231A patent/CN1016927B/zh not_active Expired
- 1989-03-03 KR KR1019890002614A patent/KR970004062B1/ko not_active IP Right Cessation
- 1989-09-12 US US07/406,860 patent/US4972466A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0331371A3 (en) | 1990-11-14 |
KR970004062B1 (ko) | 1997-03-24 |
DE68917956D1 (de) | 1994-10-13 |
KR890015540A (ko) | 1989-10-30 |
DE68917956T2 (de) | 1995-01-05 |
US4972466A (en) | 1990-11-20 |
JPH01284196A (ja) | 1989-11-15 |
CN1036651A (zh) | 1989-10-25 |
EP0331371B1 (de) | 1994-09-07 |
CA1287417C (en) | 1991-08-06 |
EP0331371A2 (de) | 1989-09-06 |
CN1016927B (zh) | 1992-06-03 |
JP3025768B2 (ja) | 2000-03-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3889051D1 (de) | Vorrichtung zur Tonsignalerzeugung. | |
MX9300347A (es) | Radio con alarmas audible y silenciosa. | |
DE69213748D1 (de) | System zur tonaufnahme sowie gerät zur tonaufnahme und -wiedergabe | |
AT372538B (de) | Codierer zur verarbeitung eines digitalsignals und dazugehoeriger decodierer | |
DE68912380D1 (de) | Vorrichtung zur Synthese von analogen Signalen in PCM. | |
DE3789184D1 (de) | System zur Erzeugung eines interpolierten Signals. | |
ATE111280T1 (de) | Digitales mischtonwecksystem. | |
DK0382675T3 (da) | FM-modtager og kommunikationssystem med en sådan modtager | |
DE68913947D1 (de) | Vorrichtung zur erzeugung von videosignalen. | |
MY106698A (en) | Digital signal clamp circuitry | |
DE69028482D1 (de) | Ausgangsverzerrungsmessschaltung, insbesondere für Ausgangsstufen von Tonsignaleinrichtungen | |
ATE117481T1 (de) | Verfahren und system zur signalübertragung. | |
FR2333314A1 (fr) | Procede et dispositif d'alimentation d'un haut-parleur de signalisation acoustique | |
DE69330382D1 (de) | Gerät zur Erzeugung eines Auslösesignals, angewendet bei der Übertragung von Ultraschallwellen | |
DE59107651D1 (de) | Schaltungsanordnung in Stereodekodern zur Erzeugung eines digitalen Signals | |
DE3473510D1 (en) | Evaluation of sound signals converted into electrical signals | |
JPS57150113A (en) | Muting device | |
DE3751438D1 (de) | Schaltung zur Erzeugung eines pulsförmigen Ausgangssignales aus drei binären Eingangssignalen. | |
NO872580L (no) | Fremgangsmte og anordning til forbedre fsomheten og s ignal/s t-forholdet for piezoelektriske transdusere. | |
SU1667857A1 (ru) | Индикатор пути следовани | |
DE68920284D1 (de) | Vorrichtung zur Verarbeitung eines Videosignals und Halbleiterlaserdrucker unter Verwendung derselben. | |
JPS5587980A (en) | Electronic device with alarm function | |
IT8120969A1 (it) | Circuito pEr le rilevazione e la ripetizione del livello di amplificazione di canali ad amplificazione regolabile alimentati da sorgenti di segnali in banda acustica, in particolare per canali ad amplificazione regolabile di tavoli di regia | |
IT8947936A0 (it) | Dispositivo di alimentazione di un altoparlante di segnalazione acustica | |
JPS6460117A (en) | System for transmitting control signal |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |