CH537669A - Generatore digitale di una serie discreta di frequenze in cui segnali di comando operano una modulazione digitale a spostamento di frequenza - Google Patents
Generatore digitale di una serie discreta di frequenze in cui segnali di comando operano una modulazione digitale a spostamento di frequenzaInfo
- Publication number
- CH537669A CH537669A CH1704070A CH1704070A CH537669A CH 537669 A CH537669 A CH 537669A CH 1704070 A CH1704070 A CH 1704070A CH 1704070 A CH1704070 A CH 1704070A CH 537669 A CH537669 A CH 537669A
- Authority
- CH
- Switzerland
- Prior art keywords
- digital
- frequencies
- control signals
- frequency shift
- shift modulation
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Manipulation Of Pulses (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2556269 | 1969-12-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH537669A true CH537669A (it) | 1973-05-31 |
Family
ID=11217096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1704070A CH537669A (it) | 1969-12-10 | 1970-11-18 | Generatore digitale di una serie discreta di frequenze in cui segnali di comando operano una modulazione digitale a spostamento di frequenza |
Country Status (7)
Country | Link |
---|---|
US (1) | US3691471A (it) |
AT (1) | AT314610B (it) |
BE (1) | BE757298A (it) |
CH (1) | CH537669A (it) |
DE (1) | DE2060858B2 (it) |
FR (1) | FR2058025A5 (it) |
NL (1) | NL7017419A (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2048118B2 (de) * | 1970-09-30 | 1972-09-28 | Anordnung zur wechselstromtelegrafie- und/oder datenuebertragung mit frequenzumtastung | |
US3891939A (en) * | 1974-02-04 | 1975-06-24 | Honeywell Inc | Variable frequency pulse train generator |
GB2020071B (en) * | 1978-04-21 | 1982-12-08 | Gen Electric Co Ltd | Frequency divider |
JPS54153563A (en) * | 1978-05-24 | 1979-12-03 | Nec Corp | Logical array circuit |
DE3939974A1 (de) * | 1989-12-02 | 1991-06-06 | Alexander Wunsch | Geraet zur hirnwellenstimulation |
EP0780134B1 (en) * | 1995-12-19 | 2001-09-19 | Fresenius AG | A modular system, particularly for biomedical applications, a unit and a communication system for use therein |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US26521A (en) * | 1859-12-20 | pepper | ||
US3212010A (en) * | 1963-02-25 | 1965-10-12 | Gen Motors Corp | Increasing frequency pulse generator for indicating predetermined time intervals by the number of output pulses |
US3267381A (en) * | 1963-10-07 | 1966-08-16 | Montek Division Of Model Engin | Antenna speed and reference burst count monitor |
US3268821A (en) * | 1963-12-04 | 1966-08-23 | Rca Corp | Timing or clock pulse generator employing plural counters capable of being selectively gated |
US3295065A (en) * | 1964-03-17 | 1966-12-27 | Itt | Pulse generator employing cascaded counters and coincidence circuitry for producing plural frequency outputs |
US3358068A (en) * | 1964-06-26 | 1967-12-12 | Seeburg Corp | Automatic rhythm device |
US3469109A (en) * | 1966-04-14 | 1969-09-23 | Hammond Organ Co | Musical instrument frequency divider which divides by two and by four |
US3464018A (en) * | 1966-08-26 | 1969-08-26 | Nasa | Digitally controlled frequency synthesizer |
US3551822A (en) * | 1968-09-30 | 1970-12-29 | Emtec Designs Inc | Timing device for generating a plurality of controllable pulse trains |
US3544906A (en) * | 1968-12-20 | 1970-12-01 | Collins Radio Co | Logic pulse time waveform synthesizer |
-
0
- BE BE757298D patent/BE757298A/xx unknown
-
1970
- 1970-07-24 AT AT678670A patent/AT314610B/de not_active IP Right Cessation
- 1970-08-13 FR FR7029816A patent/FR2058025A5/fr not_active Expired
- 1970-11-18 CH CH1704070A patent/CH537669A/it not_active IP Right Cessation
- 1970-11-27 NL NL7017419A patent/NL7017419A/xx not_active Application Discontinuation
- 1970-12-10 DE DE19702060858 patent/DE2060858B2/de active Pending
- 1970-12-10 US US96747A patent/US3691471A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2060858B2 (de) | 1973-06-20 |
FR2058025A5 (it) | 1971-05-21 |
AT314610B (de) | 1974-04-10 |
BE757298A (fr) | 1971-03-16 |
DE2060858A1 (de) | 1971-06-16 |
NL7017419A (it) | 1971-06-14 |
US3691471A (en) | 1972-09-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PFA | Name/firm changed |
Owner name: ITALTEL S.P.A. |
|
PL | Patent ceased |