DK387079A - Syntesekredsloeb til dannelse af tonesignaler - Google Patents
Syntesekredsloeb til dannelse af tonesignalerInfo
- Publication number
- DK387079A DK387079A DK387079A DK387079A DK387079A DK 387079 A DK387079 A DK 387079A DK 387079 A DK387079 A DK 387079A DK 387079 A DK387079 A DK 387079A DK 387079 A DK387079 A DK 387079A
- Authority
- DK
- Denmark
- Prior art keywords
- synthesis circuit
- tone signals
- tone
- signals
- synthesis
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/18—Service support devices; Network management devices
- H04W88/185—Selective call encoders for paging networks, e.g. paging centre devices
- H04W88/188—Selective call encoders for paging networks, e.g. paging centre devices using frequency address codes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/02—Digital function generators
- G06F1/022—Waveform generators, i.e. devices for generating periodical functions of time, e.g. direct digital synthesizers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Transmitters (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/943,037 US4213185A (en) | 1978-09-18 | 1978-09-18 | Microprocessor tone synthesizer with reduced quantization error |
Publications (1)
Publication Number | Publication Date |
---|---|
DK387079A true DK387079A (da) | 1980-03-19 |
Family
ID=25478996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK387079A DK387079A (da) | 1978-09-18 | 1979-09-17 | Syntesekredsloeb til dannelse af tonesignaler |
Country Status (5)
Country | Link |
---|---|
US (1) | US4213185A (da) |
EP (1) | EP0009317B1 (da) |
CA (1) | CA1129100A (da) |
DE (1) | DE2963847D1 (da) |
DK (1) | DK387079A (da) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0013490A1 (en) | 1978-12-11 | 1980-07-23 | Microskill Limited | An output processing system for a digital electronic musical instrument |
US4410954A (en) * | 1980-10-08 | 1983-10-18 | Rockwell International Corporation | Digital frequency synthesizer with random jittering for reducing discrete spectral spurs |
US4620291A (en) * | 1984-02-06 | 1986-10-28 | Mcdonnell Douglas Corporation | Digital-to-analog converter interpolator |
US4727752A (en) * | 1987-02-04 | 1988-03-01 | Sundstrand Data Control, Inc. | Pseudosinusoidal oscillator drive system |
ES1031328Y (es) * | 1995-06-08 | 1997-03-16 | Psycho Chrono S L | Generador de ondas perfeccionado. |
DE19543115C2 (de) * | 1995-11-18 | 1997-12-18 | Kommunikations Elektronik | Schaltungsanordnung zur Erzeugung einer Taktfrequenz für ein Datenübertragungssystem |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3446947A (en) * | 1965-11-30 | 1969-05-27 | Bell Telephone Labor Inc | Pulse train repetition rate divider that divides by a fractional number |
US3568069A (en) * | 1968-12-16 | 1971-03-02 | Sanders Associates Inc | Digitally controlled frequency synthesizer |
US3757096A (en) * | 1972-04-24 | 1973-09-04 | Singer Co | Wide band digital sine wave synthesizer |
US3787836A (en) * | 1972-06-15 | 1974-01-22 | Bell Telephone Labor Inc | Multitone telephone dialing circuit employing digital-to-analog tone synthesis |
FR2274172A1 (fr) * | 1974-06-07 | 1976-01-02 | Philips Ind Commerciale | Generateur de n salves de signaux sinusoidaux de frequences differentes |
FR2286564A1 (fr) * | 1974-09-30 | 1976-04-23 | Roche Bernard | Dispositif synthetiseur de signaux a multifrequences |
US3946321A (en) * | 1974-10-15 | 1976-03-23 | Motorola, Inc. | Digital encoder |
US3982199A (en) * | 1975-01-06 | 1976-09-21 | The Bendix Corporation | Digital frequency synthesizer |
DE2704182C3 (de) * | 1977-02-02 | 1980-01-03 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung zur Ruf tonerzeugung |
-
1978
- 1978-09-18 US US05/943,037 patent/US4213185A/en not_active Expired - Lifetime
-
1979
- 1979-08-13 DE DE7979301642T patent/DE2963847D1/de not_active Expired
- 1979-08-13 EP EP79301642A patent/EP0009317B1/en not_active Expired
- 1979-08-16 CA CA333,859A patent/CA1129100A/en not_active Expired
- 1979-09-17 DK DK387079A patent/DK387079A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE2963847D1 (en) | 1982-11-18 |
EP0009317B1 (en) | 1982-10-13 |
EP0009317A1 (en) | 1980-04-02 |
CA1129100A (en) | 1982-08-03 |
US4213185A (en) | 1980-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |