FR2570899B1 - Generateur d'une pluralite de signaux de frequences differentes et emetteur incluant un tel generateur - Google Patents
Generateur d'une pluralite de signaux de frequences differentes et emetteur incluant un tel generateurInfo
- Publication number
- FR2570899B1 FR2570899B1 FR8414784A FR8414784A FR2570899B1 FR 2570899 B1 FR2570899 B1 FR 2570899B1 FR 8414784 A FR8414784 A FR 8414784A FR 8414784 A FR8414784 A FR 8414784A FR 2570899 B1 FR2570899 B1 FR 2570899B1
- Authority
- FR
- France
- Prior art keywords
- generator
- different frequency
- frequency signals
- transmitter including
- transmitter
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
- B61L3/10—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using current passing between devices along the route and devices on the vehicle or train
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06J—HYBRID COMPUTING ARRANGEMENTS
- G06J1/00—Hybrid computing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Automation & Control Theory (AREA)
- Evolutionary Computation (AREA)
- Fuzzy Systems (AREA)
- Software Systems (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8414784A FR2570899B1 (fr) | 1984-09-26 | 1984-09-26 | Generateur d'une pluralite de signaux de frequences differentes et emetteur incluant un tel generateur |
US06/779,672 US4680586A (en) | 1984-09-26 | 1985-09-24 | Generator capable of producing multiple signals with different frequencies and a transmitter which includes a signal generator of this kind |
ZA857323A ZA857323B (en) | 1984-09-26 | 1985-09-24 | Generator for a plurality of signals of different frequencies,and transmitter including such a generator |
GB08523629A GB2165111A (en) | 1984-09-26 | 1985-09-25 | Generator of a plurality of signals of different frequencies |
AU47920/85A AU4792085A (en) | 1984-09-26 | 1985-09-26 | Digital multifrequency generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8414784A FR2570899B1 (fr) | 1984-09-26 | 1984-09-26 | Generateur d'une pluralite de signaux de frequences differentes et emetteur incluant un tel generateur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2570899A1 FR2570899A1 (fr) | 1986-03-28 |
FR2570899B1 true FR2570899B1 (fr) | 1986-12-05 |
Family
ID=9308097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8414784A Expired FR2570899B1 (fr) | 1984-09-26 | 1984-09-26 | Generateur d'une pluralite de signaux de frequences differentes et emetteur incluant un tel generateur |
Country Status (5)
Country | Link |
---|---|
US (1) | US4680586A (fr) |
AU (1) | AU4792085A (fr) |
FR (1) | FR2570899B1 (fr) |
GB (1) | GB2165111A (fr) |
ZA (1) | ZA857323B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2308248B (en) * | 1995-12-12 | 1998-02-11 | Holtek Microelectronics Inc | Waveform-generating apparatus |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1194245A (fr) * | 1981-08-03 | 1985-09-24 | Gerald P. Labedz | Generateur de signaux de diverses tonalites |
GB2134752B (en) * | 1983-01-18 | 1986-08-06 | Plessey Co Plc | Tone generator |
-
1984
- 1984-09-26 FR FR8414784A patent/FR2570899B1/fr not_active Expired
-
1985
- 1985-09-24 ZA ZA857323A patent/ZA857323B/xx unknown
- 1985-09-24 US US06/779,672 patent/US4680586A/en not_active Expired - Fee Related
- 1985-09-25 GB GB08523629A patent/GB2165111A/en not_active Withdrawn
- 1985-09-26 AU AU47920/85A patent/AU4792085A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ZA857323B (en) | 1986-05-28 |
GB2165111A (en) | 1986-04-03 |
FR2570899A1 (fr) | 1986-03-28 |
US4680586A (en) | 1987-07-14 |
GB8523629D0 (en) | 1985-10-30 |
AU4792085A (en) | 1986-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |