BE799650A - Circuit sensible a la frequence d'un signal - Google Patents

Circuit sensible a la frequence d'un signal

Info

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
Application number
BE131202A
Other languages
English (en)
French (fr)
Inventor
J H Condon
L G Bahler
W Kaminski
Original Assignee
Western Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Western Electric Co filed Critical Western Electric Co
Publication of BE799650A publication Critical patent/BE799650A/xx

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
BE131202A 1972-05-18 1973-05-17 Circuit sensible a la frequence d'un signal BE799650A (fr)

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)

Country Link
US (4) US3729695A (it)
JP (1) JPS5727612B2 (it)
AT (1) AT338337B (it)
AU (1) AU473689B2 (it)
BE (1) BE799650A (it)
CA (4) CA970049A (it)
CH (1) CH564287A5 (it)
DE (1) DE2324156A1 (it)
FI (1) FI54663C (it)
FR (1) FR2185011B1 (it)
GB (1) GB1411698A (it)
IT (1) IT985925B (it)
NL (1) NL7306686A (it)
NO (1) NO136555C (it)
SE (1) SE388517B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPS5727612B2 (it) 1982-06-11
AU473689B2 (en) 1976-07-01
JPS4957747A (it) 1974-06-05
AU5564973A (en) 1974-11-14
DE2324156A1 (de) 1973-11-29
IT985925B (it) 1974-12-30
FR2185011A1 (it) 1973-12-28
NL7306686A (it) 1973-11-20
SE388517B (sv) 1976-10-04
CA979986A (en) 1975-12-16
US3753169A (en) 1973-08-14
US3758884A (en) 1973-09-11
AT338337B (de) 1977-08-25
NO136555B (it) 1977-06-13
CA979985A (en) 1975-12-16
CA979084A (en) 1975-12-02
FI54663B (fi) 1978-09-29
FI54663C (fi) 1979-01-10
FR2185011B1 (it) 1976-05-07
CA970049A (en) 1975-06-24
US3729695A (en) 1973-04-24
NO136555C (no) 1977-09-21
CH564287A5 (it) 1975-07-15
GB1411698A (en) 1975-11-05
ATA418073A (de) 1976-12-15
US3774125A (en) 1973-11-20

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WESTERN ELECTRIC CY INC.,

Effective date: 19840517