BE797029A - Selecteur a securite intrinseque pour signaux a frequence de recurrence - Google Patents
Selecteur a securite intrinseque pour signaux a frequence de recurrenceInfo
- Publication number
- BE797029A BE797029A BE1004914A BE1004914A BE797029A BE 797029 A BE797029 A BE 797029A BE 1004914 A BE1004914 A BE 1004914A BE 1004914 A BE1004914 A BE 1004914A BE 797029 A BE797029 A BE 797029A
- Authority
- BE
- Belgium
- Prior art keywords
- frequency signals
- intrinsically safe
- recurrent frequency
- selector
- safe selector
- Prior art date
Links
- 230000000306 recurrent effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electrotherapy Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7209934A FR2183304A5 (fr) | 1972-03-22 | 1972-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE797029A true BE797029A (fr) | 1973-07-16 |
Family
ID=9095599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE1004914A BE797029A (fr) | 1972-03-22 | 1973-03-20 | Selecteur a securite intrinseque pour signaux a frequence de recurrence |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE797029A (fr) |
| CA (1) | CA969625A (fr) |
| ES (1) | ES412828A1 (fr) |
| FR (1) | FR2183304A5 (fr) |
| IT (1) | IT979944B (fr) |
| ZA (1) | ZA731986B (fr) |
-
1972
- 1972-03-22 FR FR7209934A patent/FR2183304A5/fr not_active Expired
-
1973
- 1973-03-20 BE BE1004914A patent/BE797029A/fr not_active IP Right Cessation
- 1973-03-20 ES ES412828A patent/ES412828A1/es not_active Expired
- 1973-03-21 ZA ZA731986A patent/ZA731986B/xx unknown
- 1973-03-21 CA CA166,997A patent/CA969625A/en not_active Expired
- 1973-03-21 IT IT48946/73A patent/IT979944B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| CA969625A (en) | 1975-06-17 |
| FR2183304A5 (fr) | 1973-12-14 |
| IT979944B (it) | 1974-09-30 |
| AU5366973A (en) | 1974-09-26 |
| ES412828A1 (es) | 1976-01-01 |
| ZA731986B (en) | 1973-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA999368A (en) | Circuitry for determining direction of impingement of a received signal | |
| CH549897A (fr) | Generateur de signaux periodiques. | |
| BE805227A (fr) | Recepteur de signaux a double tonalite | |
| BE809187A (fr) | Circuit melangeur de signaux | |
| CA981348A (en) | Device for storing a high frequency signal | |
| BE746100A (fr) | Demodulateur de signaux a modulation de frequence | |
| BE801345A (fr) | Dispositif de transmission de signaux par modulation pcm | |
| CA977033A (en) | Device for determining in a signal the presence of a given frequency | |
| BE797716A (fr) | Systeme decodeur pour un signal de modulation de frequence a quatre canaux | |
| BE796785A (fr) | Selecteur a securite intrinseque pour signaux a frequence de recurrence | |
| BE797029A (fr) | Selecteur a securite intrinseque pour signaux a frequence de recurrence | |
| SE388988B (sv) | Signaloverforingsanordning | |
| EG12783A (en) | Generateur de signaux multiphases | |
| BE799596A (fr) | Installation pour la transmission de signaux, | |
| BE794870A (fr) | Recepteur pour signaux video | |
| JPS56143733A (en) | Signal transmitter | |
| BE797939A (fr) | Modulateur de la phase de signaux modules en frequence | |
| BE802523A (fr) | Circuit integrateur pour signaux rapides | |
| GB1438496A (en) | Doppler radar for velocity measuring | |
| AU473375B2 (en) | A specific frequency signal detecting circuit | |
| BE808750A (fr) | Programmateur pour signaux multiples | |
| SE381529B (sv) | Kommunikationsbana for signaloverforing enligt tidsfordelningsprincipen | |
| GB1442814A (en) | Devices for amplifying the alternating component of a variable signal having a continuous component | |
| BE791292A (fr) | Generateur de signaux a frequence reglable | |
| FR1513456A (fr) | Récepteur pour signaux modulés en fréquence |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: JEUMONT SCHNEIDER Effective date: 19900331 |