GB1353337A - Electrical filter circuits - Google Patents

Electrical filter circuits

Info

Publication number
GB1353337A
GB1353337A GB4487271A GB4487271A GB1353337A GB 1353337 A GB1353337 A GB 1353337A GB 4487271 A GB4487271 A GB 4487271A GB 4487271 A GB4487271 A GB 4487271A GB 1353337 A GB1353337 A GB 1353337A
Authority
GB
United Kingdom
Prior art keywords
output
signal
filter
pass
circuit
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
Application number
GB4487271A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
Original Assignee
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
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 BBC BROWN BOVERI and CIE, BBC Brown Boveri AG Switzerland filed Critical BBC BROWN BOVERI and CIE
Publication of GB1353337A publication Critical patent/GB1353337A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/34—Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source

Landscapes

  • Networks Using Active Elements (AREA)
  • Manipulation Of Pulses (AREA)
GB4487271A 1970-09-28 1971-09-27 Electrical filter circuits Expired GB1353337A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1431670A CH522327A (de) 1970-09-28 1970-09-28 Elektrische Filterschaltung

Publications (1)

Publication Number Publication Date
GB1353337A true GB1353337A (en) 1974-05-15

Family

ID=4399797

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4487271A Expired GB1353337A (en) 1970-09-28 1971-09-27 Electrical filter circuits

Country Status (7)

Country Link
US (1) US3747025A (enExample)
AT (1) AT313977B (enExample)
CH (1) CH522327A (enExample)
DE (1) DE2051443C3 (enExample)
FR (1) FR2106323A5 (enExample)
GB (1) GB1353337A (enExample)
NL (1) NL7113230A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019147A (en) * 1975-12-01 1977-04-19 Physics International Company Band pass filter for impulse operation
JPS5830793B2 (ja) * 1978-10-04 1983-07-01 株式会社日立製作所 多周波信号受信方式
US4414517A (en) * 1981-06-12 1983-11-08 Joseph Mahig Non-ringing phase responsive detector
DE3230391A1 (de) * 1982-08-14 1984-02-16 Philips Kommunikations Industrie AG, 8500 Nürnberg Verfahren zur signalverbesserung von gestoerten sprachsignalen
JPH0654245B2 (ja) * 1988-04-19 1994-07-20 三菱電機株式会社 渦流量計
US5309771A (en) * 1992-03-09 1994-05-10 Lew Yon S Method for processing signals in vortex flowmeters
US5675091A (en) * 1992-03-09 1997-10-07 Lew; Hyok S. Step-wise tracking electronic filter with offset up and down transition
US5435188A (en) * 1992-03-09 1995-07-25 Lew; Hyok S. Electronic filter for flowmeters with compound controls
US20060067448A1 (en) * 2004-09-29 2006-03-30 Thirunagari Krishna B Apparatus and method for performing adaptive equalization in a receiver

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1968460A (en) * 1932-12-29 1934-07-31 Bell Telephone Labor Inc Noise suppression circuit
US3022471A (en) * 1961-07-28 1962-02-20 Raytheon Co Self-tuning filter circuits for increasing ratio of narrow band variable frequency signal to broad band noise
US3611165A (en) * 1970-06-30 1971-10-05 Nat Res Dev Parallel pass and filters having multiple negative feedback paths

Also Published As

Publication number Publication date
DE2051443A1 (de) 1972-03-30
FR2106323A5 (enExample) 1972-04-28
AT313977B (de) 1974-03-11
US3747025A (en) 1973-07-17
DE2051443B2 (de) 1978-06-08
CH522327A (de) 1972-06-15
DE2051443C3 (de) 1979-02-01
NL7113230A (enExample) 1972-03-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee