DE3586366D1 - Verfahren und schaltung zur erzeugung eines zeitvariablen signals. - Google Patents

Verfahren und schaltung zur erzeugung eines zeitvariablen signals.

Info

Publication number
DE3586366D1
DE3586366D1 DE8585302484T DE3586366T DE3586366D1 DE 3586366 D1 DE3586366 D1 DE 3586366D1 DE 8585302484 T DE8585302484 T DE 8585302484T DE 3586366 T DE3586366 T DE 3586366T DE 3586366 D1 DE3586366 D1 DE 3586366D1
Authority
DE
Germany
Prior art keywords
circuit
signals
trapezoidal
waveforms
generating
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE8585302484T
Other languages
English (en)
Other versions
DE3586366T2 (de
Inventor
Ayoub Hadi Mishergi
Russell Jay Apfel
Arthur Francis Lange
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices Inc
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 Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Publication of DE3586366D1 publication Critical patent/DE3586366D1/de
Application granted granted Critical
Publication of DE3586366T2 publication Critical patent/DE3586366T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
    • H04M1/505—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies signals generated in digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Devices For Supply Of Signal Current (AREA)
DE8585302484T 1984-04-10 1985-04-09 Verfahren und schaltung zur erzeugung eines zeitvariablen signals. Expired - Fee Related DE3586366T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/598,649 US4563548A (en) 1984-04-10 1984-04-10 Method and circuit for telephone dialing signal generation

Publications (2)

Publication Number Publication Date
DE3586366D1 true DE3586366D1 (de) 1992-08-27
DE3586366T2 DE3586366T2 (de) 1993-01-07

Family

ID=24396398

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585302484T Expired - Fee Related DE3586366T2 (de) 1984-04-10 1985-04-09 Verfahren und schaltung zur erzeugung eines zeitvariablen signals.

Country Status (5)

Country Link
US (1) US4563548A (de)
EP (1) EP0158538B1 (de)
JP (1) JPS60230705A (de)
AT (1) ATE78647T1 (de)
DE (1) DE3586366T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4672568A (en) * 1984-06-15 1987-06-09 Advanced Micro Devices, Inc. Method for digital voltage controlled oscillator
US4635279A (en) * 1985-07-25 1987-01-06 Rca Corporation Arrangement for coherently generating sinusoids of different frequencies, and angle modulation data receiver using the arrangement
US4769836A (en) * 1986-04-07 1988-09-06 Casio Computer Co., Ltd. Dialing tone generator employing low frequency oscillator
US5119417A (en) * 1988-07-20 1992-06-02 Casio Computer Co., Ltd. Auto-dialing apparatus
US5408497A (en) * 1993-07-14 1995-04-18 Echelon Corporation Transceiver for transmitting and receiving stair-stepped sinusoidal waveforms
US5393098A (en) * 1993-12-16 1995-02-28 Alliedsignal Inc. Seat belt height adjuster
US5907597A (en) * 1994-08-05 1999-05-25 Smart Tone Authentication, Inc. Method and system for the secure communication of data
US5583933A (en) * 1994-08-05 1996-12-10 Mark; Andrew R. Method and apparatus for the secure communication of data
WO1997026745A1 (en) * 1996-01-16 1997-07-24 Transcendata, Inc. Multi-level, multi-frequency interference pattern analog waveform encoding of digital data for transmission
IT1298231B1 (it) * 1998-02-11 1999-12-20 Sgs Thomson Microelectronics Circuito di generazione di un segnale trapezoidale con fronti d'onda controllati, particolarmente per un convertitore per ricevitore
US6038262A (en) * 1998-06-09 2000-03-14 Transcendata, Inc. Method and apparatus for compensation of electro-magnetic distortion using weighted feedback delay for amplitude coded sinusoidal waveform generation and transmission
US6741845B1 (en) * 2000-06-23 2004-05-25 Stmicroelectronics S.R.L. Wave-shaper device
US20030063087A1 (en) * 2001-09-28 2003-04-03 Doyle Peter L. Variable-formatable width buffer and method of use
US7953782B2 (en) * 2007-05-18 2011-05-31 Ess Technology, Inc. Digital forced oscillation by direct digital synthesis
US8755514B1 (en) * 2013-09-16 2014-06-17 The United States Of America As Represented By The Secretary Of The Army Dual-tone multi-frequency signal classification

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1325193A (en) * 1970-05-18 1973-08-01 Post Office Signal generators
FR2237363B1 (de) * 1973-07-12 1976-05-07 Ibm France
US4061886A (en) * 1975-09-29 1977-12-06 Mostek Corporation Dual tone multiple frequency generator
DE2744025A1 (de) * 1977-09-30 1979-04-12 Licentia Gmbh Signalsender zur erzeugung von analogen signalen vorgegebener frequenz fuer fernmelde- oder datenverarbeitungsanlagen
US4390754A (en) * 1980-06-30 1983-06-28 Mostek Corporation Tone generator circuit

Also Published As

Publication number Publication date
EP0158538A3 (en) 1988-07-27
EP0158538A2 (de) 1985-10-16
EP0158538B1 (de) 1992-07-22
ATE78647T1 (de) 1992-08-15
DE3586366T2 (de) 1993-01-07
JPS60230705A (ja) 1985-11-16
US4563548A (en) 1986-01-07

Similar Documents

Publication Publication Date Title
DE3586366D1 (de) Verfahren und schaltung zur erzeugung eines zeitvariablen signals.
DE58908333D1 (de) Verfahren zur erzeugung einer drehzahlproportionalen spannung mit einem resolver und schaltungsanordnung zur durchführung des verfahrens.
DE3584497D1 (de) Zeitimpulsgenerator zur erzeugung von mit dem horizontalen videosynchronisationssignal synchronisierten zeitimpulsen.
DE68927139D1 (de) Wählsignalgenerator zur Erzeugung von Wählimpulssignalen und Zweiton-Mehrfrequenzsignalen
DE69323159D1 (de) Akustische Oberflächenwellenanordnung zur Erzeugung einer akustischen Ausgangssignalwelle mit nur einer symmetrischen oder nur einer assymmetrischen Schwingungsform
ATE45841T1 (de) Verfahren und digitale schaltung fuer die erzeugung einer angenaeherten sinuswellenform.
GB1407475A (en) Circuit arrangement for analogue-digital conversion of magnitudes or signals in electrical form
DE3689366D1 (de) Zeilenausgangsschaltung zur Erzeugung eines zeilenfrequenten Sägezahnstromes.
FI98481B (fi) Menetelmä ja laite analogisen sisääntulosignaalin muuttamiseksi ohjauskoodeiksi ja vastaavan ulostulosignaalin syntetisoimiseksi näiden ohjauskoodien ohjauksen alaisena
JPS5720177A (en) Controlling method for pulse-width moduration inverter device
DE3375266D1 (en) Method and circuit arrangement for the generation of pulses of arbitrary time relation within directly successive pulse intervals with very high precision and temporal resolution
BE835337A (fr) Procede de conversion electrique d'un signal analogique en une representation numerique
GB1477967A (en) Digital electrocardiogram waveform generator
DE3578601D1 (de) Verfahren und schaltungsanordnung zur erzeugung von farbhintergrundsignalen.
DE68917228D1 (de) Direkte Erzeugung ultraschneller elektrischer Impulse.
DE3582530D1 (de) Schaltungsanordnung zur erzeugung von klemmimpulsen.
DE68926937D1 (de) Verfahren zur Wellenformenerzeugung
AT314610B (de) Digital-Generator zur Erzeugung mindestens einer zu einer diskreten Frequenzserie gehörenden Frequenz
ATA497578A (de) Schaltungsanordnung zur umsetzung von analog -signalen in digital-signale unk umgekehrt von digital-signalen in analog-signale
SU1179381A1 (ru) Устройство дл делени сигналов
GB2090984B (en) Measuring the frequency response of an element or elements in a digital transmission path
SU1188761A1 (ru) Квадратор
SU1739490A1 (ru) Генератор пуассоновского потока импульсов
SU626439A2 (ru) Способ коррекции уровн ограничени в канале воспроизведени двоичной последовательности
SU1164869A2 (ru) Генератор импульсов пилообразной формы

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee