BE799650A - Circuit sensible a la frequence d'un signal - Google Patents
Circuit sensible a la frequence d'un signalInfo
- Publication number
- BE799650A BE799650A BE131202A BE131202A BE799650A BE 799650 A BE799650 A BE 799650A BE 131202 A BE131202 A BE 131202A BE 131202 A BE131202 A BE 131202A BE 799650 A BE799650 A BE 799650A
- Authority
- BE
- Belgium
- Prior art keywords
- frequency
- signal
- circuit sensitive
- sensitive
- circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters
- H03H19/002—N-path filters
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25438472A | 1972-05-18 | 1972-05-18 | |
US27448872A | 1972-07-24 | 1972-07-24 | |
US27901972A | 1972-08-09 | 1972-08-09 | |
US30874072A | 1972-11-22 | 1972-11-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE799650A true BE799650A (fr) | 1973-09-17 |
Family
ID=27500508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE131202A BE799650A (fr) | 1972-05-18 | 1973-05-17 | Circuit sensible a la frequence d'un signal |
Country Status (15)
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3867620A (en) * | 1973-01-26 | 1975-02-18 | Princeton Applied Res Corp | Signal correlator with improved dynamic range |
US3846582A (en) * | 1973-08-06 | 1974-11-05 | Bell Telephone Labor Inc | Data transmission terminal for fsk frequency duplexed systems |
US3890577A (en) * | 1973-08-15 | 1975-06-17 | Westinghouse Air Brake Co | Vital active low-pass filter |
FR2281003A1 (fr) * | 1974-08-02 | 1976-02-27 | Commissariat Energie Atomique | Procede de traitement d'un signal et dispositifs correspondants |
IT1035117B (it) * | 1975-03-28 | 1979-10-20 | Selenta Ind Elettroniche Assoc | Dispositivo ad alta stabilita per il filtraggio e la discriminayione in frequenza di un segnale elettrico |
US3979690A (en) * | 1975-04-29 | 1976-09-07 | Westinghouse Electric Corporation | Failsafe controlled gain inverting amplifier apparatus |
US4039979A (en) * | 1975-06-18 | 1977-08-02 | Bell Telephone Laboratories, Incorporated | Reduction of aliasing distortion in sampled signals |
US4224582A (en) * | 1978-10-19 | 1980-09-23 | Bell Telephone Laboratories, Incorporated | Commutating capacitive envelope detector |
US4298970A (en) * | 1979-08-10 | 1981-11-03 | Sperry-Sun, Inc. | Borehole acoustic telemetry system synchronous detector |
DE3022252C2 (de) * | 1980-06-13 | 1983-06-23 | Siemens AG, 1000 Berlin und 8000 München | Elektrische Filterschaltung zur Verarbeitung analoger Abtastsignale |
US4336513A (en) * | 1980-07-02 | 1982-06-22 | Hewlett-Packard Company | Hum reduction circuit |
NL8302482A (nl) * | 1983-07-12 | 1985-02-01 | Philips Nv | Bandsperfilter van het geschakelde capaciteiten type. |
US4518936A (en) * | 1983-11-14 | 1985-05-21 | Rca Corporation | Commutating filter passing only the fundamental frequency and odd harmonics thereof |
US6611150B1 (en) | 1999-03-31 | 2003-08-26 | Sadelco, Inc. | Leakage detector for use in combination with a signal level meter |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2439255A (en) * | 1942-09-09 | 1948-04-06 | Gen Electric | Capacitor switch |
US2521690A (en) * | 1945-08-14 | 1950-09-12 | Standard Telephones Cables Ltd | Secrecy preserving signaling system |
US2584986A (en) * | 1946-04-24 | 1952-02-12 | Fed Telephone & Radio Corp | Selective wave filter |
US2752491A (en) * | 1954-09-16 | 1956-06-26 | Collins Radio Co | Phase insensitive synchronously tuned filter |
US3375451A (en) * | 1965-06-17 | 1968-03-26 | Nasa Usa | Adaptive tracking notch filter system |
US3403345A (en) * | 1965-07-19 | 1968-09-24 | Sperry Rand Corp | Tunable narrow-band rejection filter employing coherent demodulation |
DE1275218B (de) * | 1965-10-23 | 1968-08-14 | Siemens Ag | Frequenzfilter, insbesondere fuer Zeitmultiplexsysteme |
CH472149A (de) * | 1967-03-22 | 1969-04-30 | Siemens Ag | N-Pfad-Bandfilter |
US3469213A (en) * | 1967-05-16 | 1969-09-23 | United Aircraft Corp | Dynamic transfer networks |
AU1418870A (en) * | 1969-05-09 | 1971-10-28 | Amalgamated Wireless (Australasia) Limited | Improvements in or relating to electrical circuits |
-
1972
- 1972-05-18 US US00254384A patent/US3729695A/en not_active Expired - Lifetime
- 1972-07-24 US US00274488A patent/US3758884A/en not_active Expired - Lifetime
- 1972-08-09 US US00279019A patent/US3753169A/en not_active Expired - Lifetime
- 1972-11-22 US US00308740A patent/US3774125A/en not_active Expired - Lifetime
- 1972-12-01 CA CA158,448A patent/CA970049A/en not_active Expired
-
1973
- 1973-01-30 CA CA162,422A patent/CA979985A/en not_active Expired
- 1973-03-06 CA CA165,370A patent/CA979084A/en not_active Expired
- 1973-05-10 SE SE7306589A patent/SE388517B/xx unknown
- 1973-05-11 AT AT418073A patent/AT338337B/de not_active IP Right Cessation
- 1973-05-12 DE DE2324156A patent/DE2324156A1/de not_active Withdrawn
- 1973-05-14 NL NL7306686A patent/NL7306686A/xx not_active Application Discontinuation
- 1973-05-14 AU AU55649/73A patent/AU473689B2/en not_active Expired
- 1973-05-15 CH CH688073A patent/CH564287A5/xx not_active IP Right Cessation
- 1973-05-15 GB GB2299973A patent/GB1411698A/en not_active Expired
- 1973-05-16 NO NO2029/73A patent/NO136555C/no unknown
- 1973-05-17 FI FI1609/73A patent/FI54663C/fi active
- 1973-05-17 BE BE131202A patent/BE799650A/xx not_active IP Right Cessation
- 1973-05-17 IT IT68446/73A patent/IT985925B/it active
- 1973-05-17 FR FR7318003A patent/FR2185011B1/fr not_active Expired
- 1973-05-18 JP JP5477073A patent/JPS5727612B2/ja not_active Expired
- 1973-09-14 CA CA181,136A patent/CA979986A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3729695A (en) | 1973-04-24 |
CA979985A (en) | 1975-12-16 |
US3774125A (en) | 1973-11-20 |
NL7306686A (US20100170793A1-20100708-C00006.png) | 1973-11-20 |
NO136555C (no) | 1977-09-21 |
NO136555B (US20100170793A1-20100708-C00006.png) | 1977-06-13 |
ATA418073A (de) | 1976-12-15 |
DE2324156A1 (de) | 1973-11-29 |
CA979084A (en) | 1975-12-02 |
US3753169A (en) | 1973-08-14 |
SE388517B (sv) | 1976-10-04 |
AU473689B2 (en) | 1976-07-01 |
CA970049A (en) | 1975-06-24 |
FR2185011A1 (US20100170793A1-20100708-C00006.png) | 1973-12-28 |
AT338337B (de) | 1977-08-25 |
IT985925B (it) | 1974-12-30 |
FI54663B (fi) | 1978-09-29 |
JPS5727612B2 (US20100170793A1-20100708-C00006.png) | 1982-06-11 |
US3758884A (en) | 1973-09-11 |
GB1411698A (en) | 1975-11-05 |
CH564287A5 (US20100170793A1-20100708-C00006.png) | 1975-07-15 |
AU5564973A (en) | 1974-11-14 |
FI54663C (fi) | 1979-01-10 |
FR2185011B1 (US20100170793A1-20100708-C00006.png) | 1976-05-07 |
CA979986A (en) | 1975-12-16 |
JPS4957747A (US20100170793A1-20100708-C00006.png) | 1974-06-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: WESTERN ELECTRIC CY INC., Effective date: 19840517 |