NO160890C - Tonegenerator. - Google Patents
Tonegenerator.Info
- Publication number
- NO160890C NO160890C NO840124A NO840124A NO160890C NO 160890 C NO160890 C NO 160890C NO 840124 A NO840124 A NO 840124A NO 840124 A NO840124 A NO 840124A NO 160890 C NO160890 C NO 160890C
- Authority
- NO
- Norway
- Prior art keywords
- tone generator
- tone
- generator
- 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
- 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)
- Devices For Supply Of Signal Current (AREA)
- Electrophonic Musical Instruments (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB838301324A GB8301324D0 (en) | 1983-01-18 | 1983-01-18 | Tone generator |
Publications (3)
Publication Number | Publication Date |
---|---|
NO840124L NO840124L (no) | 1984-07-19 |
NO160890B NO160890B (no) | 1989-02-27 |
NO160890C true NO160890C (no) | 1989-06-07 |
Family
ID=10536506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO840124A NO160890C (no) | 1983-01-18 | 1984-01-13 | Tonegenerator. |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0119678A1 (no) |
JP (1) | JPS6022861A (no) |
AU (1) | AU563628B2 (no) |
CA (1) | CA1211875A (no) |
DK (1) | DK22284A (no) |
GB (1) | GB8301324D0 (no) |
IE (1) | IE55081B1 (no) |
NO (1) | NO160890C (no) |
NZ (1) | NZ206835A (no) |
ZA (1) | ZA84254B (no) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2068154C (en) * | 1992-05-07 | 1997-01-14 | Janice C. Halligan | Programmable call progress tones for a switching system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2309789A1 (de) * | 1972-11-24 | 1974-06-12 | Marconi Co Ltd | Einrichtung fuer ein pcm-telephonsystem |
DE2855151A1 (de) * | 1978-12-20 | 1980-07-10 | Siemens Ag | Digitaler hoertongenerator |
FR2459597A1 (fr) * | 1979-06-15 | 1981-01-09 | Constr Telephoniques | Generateur numerique de signaux |
JPS5616388A (en) * | 1979-07-19 | 1981-02-17 | Nec Corp | Generating circuit of time-division multifrequency signal |
US4399535A (en) * | 1981-06-18 | 1983-08-16 | Siemens Corporation | Digital tone generator |
FR2529426B1 (fr) * | 1982-06-29 | 1988-05-06 | Thomson Csf Mat Tel | Generateur de frequences utilisees dans un autocommutateur temporel numerique |
-
1983
- 1983-01-18 GB GB838301324A patent/GB8301324D0/en active Pending
-
1984
- 1984-01-11 EP EP84300152A patent/EP0119678A1/en not_active Withdrawn
- 1984-01-11 AU AU23212/84A patent/AU563628B2/en not_active Ceased
- 1984-01-12 ZA ZA84254A patent/ZA84254B/xx unknown
- 1984-01-13 NZ NZ206835A patent/NZ206835A/en unknown
- 1984-01-13 NO NO840124A patent/NO160890C/no unknown
- 1984-01-17 IE IE91/84A patent/IE55081B1/en not_active IP Right Cessation
- 1984-01-17 CA CA000445450A patent/CA1211875A/en not_active Expired
- 1984-01-18 JP JP59006989A patent/JPS6022861A/ja active Pending
- 1984-01-18 DK DK22284A patent/DK22284A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0119678A1 (en) | 1984-09-26 |
DK22284D0 (da) | 1984-01-18 |
NZ206835A (en) | 1987-09-30 |
NO160890B (no) | 1989-02-27 |
GB8301324D0 (en) | 1983-02-16 |
AU2321284A (en) | 1984-07-19 |
NO840124L (no) | 1984-07-19 |
CA1211875A (en) | 1986-09-23 |
ZA84254B (en) | 1984-09-26 |
DK22284A (da) | 1984-07-19 |
IE840091L (en) | 1984-07-18 |
IE55081B1 (en) | 1990-05-23 |
JPS6022861A (ja) | 1985-02-05 |
AU563628B2 (en) | 1987-07-16 |
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