NL7201945A - - Google Patents
Info
- Publication number
- NL7201945A NL7201945A NL7201945A NL7201945A NL7201945A NL 7201945 A NL7201945 A NL 7201945A NL 7201945 A NL7201945 A NL 7201945A NL 7201945 A NL7201945 A NL 7201945A NL 7201945 A NL7201945 A NL 7201945A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- G06F1/03—Digital function generators working, at least partly, by table look-up
- G06F1/0321—Waveform generators, i.e. devices for generating periodical functions of time, e.g. direct digital synthesizers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/12—Modulator circuits; Transmitter circuits
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2101/00—Indexing scheme relating to the type of digital function generated
- G06F2101/04—Trigonometric functions
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)
- Electrophonic Musical Instruments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11699871A | 1971-02-19 | 1971-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7201945A true NL7201945A (de) | 1972-08-22 |
Family
ID=22370483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7201945A NL7201945A (de) | 1971-02-19 | 1972-02-15 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3697892A (de) |
| JP (1) | JPS5117368B1 (de) |
| BE (1) | BE779389A (de) |
| CA (1) | CA942425A (de) |
| DE (1) | DE2207365C3 (de) |
| ES (1) | ES399905A1 (de) |
| FR (1) | FR2125554B1 (de) |
| GB (1) | GB1384777A (de) |
| IT (1) | IT949152B (de) |
| NL (1) | NL7201945A (de) |
| SE (1) | SE373473B (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3958191A (en) * | 1974-11-21 | 1976-05-18 | International Business Machines Corporation | Multi-line, multi-mode modulator using bandwidth reduction for digital fsk and dpsk modulation |
| GB1488433A (en) * | 1974-11-21 | 1977-10-12 | Ibm | Dpsk modulator |
| DE2659512B1 (de) * | 1976-12-30 | 1978-05-24 | Wandel & Goltermann | Verfahren und Schaltungsanordnung zum Erzeugen eines Digitalsignals zum Pruefen einer PCM-Endstelle |
| US4259648A (en) * | 1979-07-11 | 1981-03-31 | Bell Telephone Laboratories, Incorporated | One-bit frequency-shift-keyed modulator |
| FR2519491A1 (fr) * | 1982-01-07 | 1983-07-08 | Signaux Entr Electriques | Procede de generation de signaux periodiques, notamment de signaux modules par sauts de frequence ou de phase et generateur mettant en oeuvre le procede |
| US4602226A (en) * | 1985-03-21 | 1986-07-22 | General Electric Company | Apparatus for the gated modulation of a radio-frequency carrier signal |
| US5027372A (en) * | 1987-03-04 | 1991-06-25 | National Semiconductor Corp. | Differential phase shift keying modulator |
| US8373357B2 (en) | 2009-01-26 | 2013-02-12 | Microchip Technology Incorporated | Modulator module in an integrated circuit device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3095539A (en) * | 1959-12-18 | 1963-06-25 | Sylvania Electric Prod | Digitally positioned wave filter |
| US3243703A (en) * | 1962-05-24 | 1966-03-29 | Gen Electric | Interpolative scanner using scanned electron discharge devices having overlapping conducting intervals |
| US3292034A (en) * | 1963-09-27 | 1966-12-13 | Honeywell Inc | Apparatus for synchronizing cathode ray deflection to a rotating antenna using digital techniques |
| DE1222974B (de) * | 1965-02-04 | 1966-08-18 | Siemens Ag | Verfahren und Schaltungsanordnung zur UEbertragung binaerer Signale in hoeher codierter Form |
| US3393364A (en) * | 1965-10-23 | 1968-07-16 | Signatron | Statistical delta modulation system |
| US3611209A (en) * | 1969-12-11 | 1971-10-05 | Bell Telephone Labor Inc | Digital filter frequency shift modulator |
-
1971
- 1971-02-19 US US116998A patent/US3697892A/en not_active Expired - Lifetime
- 1971-09-14 CA CA122,802A patent/CA942425A/en not_active Expired
-
1972
- 1972-02-07 SE SE7201387A patent/SE373473B/xx unknown
- 1972-02-15 BE BE779389A patent/BE779389A/xx unknown
- 1972-02-15 NL NL7201945A patent/NL7201945A/xx unknown
- 1972-02-16 GB GB707272A patent/GB1384777A/en not_active Expired
- 1972-02-17 DE DE2207365A patent/DE2207365C3/de not_active Expired
- 1972-02-17 FR FR7205354A patent/FR2125554B1/fr not_active Expired
- 1972-02-18 ES ES399905A patent/ES399905A1/es not_active Expired
- 1972-02-18 JP JP47016552A patent/JPS5117368B1/ja active Pending
- 1972-02-18 IT IT67529/72A patent/IT949152B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| ES399905A1 (es) | 1974-12-16 |
| JPS5117368B1 (de) | 1976-06-02 |
| GB1384777A (en) | 1975-02-19 |
| BE779389A (fr) | 1972-05-30 |
| DE2207365C3 (de) | 1974-01-24 |
| DE2207365A1 (de) | 1972-08-24 |
| FR2125554A1 (de) | 1972-09-29 |
| FR2125554B1 (de) | 1977-04-01 |
| DE2207365B2 (de) | 1973-06-28 |
| SE373473B (de) | 1975-02-03 |
| CA942425A (en) | 1974-02-19 |
| US3697892A (en) | 1972-10-10 |
| IT949152B (it) | 1973-06-11 |