NL167559C - Alles doorlatend of bandsperrend, actief filter. - Google Patents

Alles doorlatend of bandsperrend, actief filter.

Info

Publication number: NL167559C
Authority: NL; Netherlands
Prior art keywords: everything; permissible; tire; safe; active filter
Prior art date: 1973-10-26

Application number

NL7413975.A

Other languages

English (en)

Other versions

NL7413975A (nl

NL167559B (nl

Original Assignee

Post Office

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.)

1973-10-26

Filing date

1974-10-25

Publication date

1981-12-16

1974-10-25 Application filed by Post Office filed Critical Post Office

1975-04-29 Publication of NL7413975A publication Critical patent/NL7413975A/nl

1981-07-16 Publication of NL167559B publication Critical patent/NL167559B/nl

1981-12-16 Application granted granted Critical

1981-12-16 Publication of NL167559C publication Critical patent/NL167559C/nl

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
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier

NL7413975.A 1973-10-26 1974-10-25 Alles doorlatend of bandsperrend, actief filter. NL167559C (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB4997473A GB1452081A (en)	1973-10-26	1973-10-26	Transfer function control networks

Publications (3)

Publication Number	Publication Date
NL7413975A NL7413975A (nl)	1975-04-29
NL167559B NL167559B (nl)	1981-07-16
NL167559C true NL167559C (nl)	1981-12-16

Family

ID=10454177

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7413975.A NL167559C (nl)	1973-10-26	1974-10-25	Alles doorlatend of bandsperrend, actief filter.

Country Status (7)

Country	Link
US (1)	US3906390A (nl)
JP (1)	JPS5080745A (nl)
CA (1)	CA1024613A (nl)
DE (1)	DE2450917C3 (nl)
FR (1)	FR2249490B1 (nl)
GB (1)	GB1452081A (nl)
NL (1)	NL167559C (nl)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4001735A (en) *	1975-11-20	1977-01-04	Northern Electric Company Limited	Single amplifier immittance network
JPS5280760A (en) *	1975-12-27	1977-07-06	Nissan Motor	Circuit for correcting bias current of operational amplifier
US4069459A (en) *	1976-08-23	1978-01-17	Santa Barbara Research Center	Feedback capacitor divider
JPS5378146A (en) *	1976-12-22	1978-07-11	Hitachi Ltd	Variable equalizer
CA1124339A (en) *	1979-05-15	1982-05-25	Israel Levi	Amplitude equalizer circuit
US4352074A (en) *	1980-02-01	1982-09-28	Westinghouse Electric Corp.	Phase-locked loop filter
DE3314468A1 (de) *	1982-05-14	1984-01-12	Racal-Milgo, Inc., 33166 Miami, Fla.	Allpassfilterschaltung
IT1186377B (it) *	1985-11-20	1987-11-26	Sgs Microelettronica Spa	Dispositivo per minimizzare le capacita' parassite di giunzione di un transistor pnp verticale a collettore isolato
US4984292A (en) *	1988-09-28	1991-01-08	Correpro (Canada) Inc.	Bandpass amplifier and receiver using bandpass amplifier
US7327803B2 (en)	2004-10-22	2008-02-05	Parkervision, Inc.	Systems and methods for vector power amplification
US7355470B2 (en)	2006-04-24	2008-04-08	Parkervision, Inc.	Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US8013675B2 (en)	2007-06-19	2011-09-06	Parkervision, Inc.	Combiner-less multiple input single output (MISO) amplification with blended control
US8334722B2 (en)	2007-06-28	2012-12-18	Parkervision, Inc.	Systems and methods of RF power transmission, modulation and amplification
US9106316B2 (en)	2005-10-24	2015-08-11	Parkervision, Inc.	Systems and methods of RF power transmission, modulation, and amplification
US7911272B2 (en)	2007-06-19	2011-03-22	Parkervision, Inc.	Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US20130078934A1 (en)	2011-04-08	2013-03-28	Gregory Rawlins	Systems and Methods of RF Power Transmission, Modulation, and Amplification
US7937106B2 (en)	2006-04-24	2011-05-03	ParkerVision, Inc,	Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8031804B2 (en)	2006-04-24	2011-10-04	Parkervision, Inc.	Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US7620129B2 (en)	2007-01-16	2009-11-17	Parkervision, Inc.	RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2008144017A1 (en)	2007-05-18	2008-11-27	Parkervision, Inc.	Systems and methods of rf power transmission, modulation, and amplification
WO2012167111A2 (en)	2011-06-02	2012-12-06	Parkervision, Inc.	Antenna control
KR20160058855A (ko)	2013-09-17	2016-05-25	파커비전, 인크.	정보를 포함하는 시간의 함수를 렌더링하기 위한 방법, 장치 및 시스템

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3838351A (en) *	1971-09-07	1974-09-24	Hekimian Laboratories Inc	Active notch filter and dual mode filter/oscillator

1973
- 1973-10-26 GB GB4997473A patent/GB1452081A/en not_active Expired
1974
- 1974-10-23 US US517147A patent/US3906390A/en not_active Expired - Lifetime
- 1974-10-24 CA CA212,243A patent/CA1024613A/en not_active Expired
- 1974-10-25 JP JP49123264A patent/JPS5080745A/ja active Pending
- 1974-10-25 NL NL7413975.A patent/NL167559C/nl not_active IP Right Cessation
- 1974-10-25 FR FR7435829A patent/FR2249490B1/fr not_active Expired
- 1974-10-25 DE DE2450917A patent/DE2450917C3/de not_active Expired

Also Published As

Publication number	Publication date
CA1024613A (en)	1978-01-17
GB1452081A (en)	1976-10-06
DE2450917A1 (de)	1975-04-30
NL7413975A (nl)	1975-04-29
FR2249490B1 (nl)	1979-08-03
DE2450917B2 (de)	1978-06-15
JPS5080745A (nl)	1975-07-01
DE2450917C3 (de)	1979-02-08
US3906390A (en)	1975-09-16
FR2249490A1 (nl)	1975-05-23
NL167559B (nl)	1981-07-16

Legal Events

Date	Code	Title	Description
1994-07-01	SNR	Assignments of patents or rights arising from examined patent applications	Owner name: BRITISH TELECOMMUNICATIONS PLC
1994-08-01	SNR	Assignments of patents or rights arising from examined patent applications	Owner name: BRITISH TELECOMMUNICATIONS PLC
1994-11-16	V4	Discontinued because of reaching the maximum lifetime of a patent

Publication	Publication Date	Title
NL167559C (nl)	1981-12-16	Alles doorlatend of bandsperrend, actief filter.
NL178388C (nl)	1986-03-17	Luier.
NL7415362A (nl)	1975-05-27	Anti-transpiratiemiddel.
SE7409068L (sv)	1975-01-14	Bevattningsanleggning.
ES208569Y (es)	1976-08-01	Osteotomo.
BE823949A (fr)	1975-06-27	Prothese vesicale.
DK134526B (da)	1976-11-22	Lyddæmper.
NL7412578A (nl)	1975-04-02	Antistatisch werkende verbindingen, en werkwijze de bereiding daarvan.
NL7405486A (nl)	1975-02-18	Cultivator.
NL153745B (nl)	1977-06-15	Hoogdoorlaatfilter.
NL7510005A (nl)	1976-03-01	Actief of passief tegenhoudsysteem.
NL7415723A (nl)	1975-06-05	Luier.
NL163599C (nl)	1980-09-15	Uitlaatsysteem.
NL162173C (nl)	1980-04-15	Uitlaatsysteem.
NL164434C (nl)	1980-12-15	Differentiaalversterkerstelsel.
FI73961B (fi)	1987-08-31	Foerfarande foer framstaellning av terapeutiska, enzymfunktionsreglerande nya -etylbenshydrolderivat.
NL7315573A (nl)	1975-05-16	Katalysatorbereiding.
NL164163C (nl)	1980-11-17	Differentiaalversterkerstelsel.
NL7412912A (nl)	1975-04-03	Symmetrisch actief filternetwerk.
SE7508659L (sv)	1976-02-09	Aktivt filter.
BE847053Q (nl)	1977-01-31	Veestal,
SE411469B (sv)	1979-12-27	Ljuddempare.
NL7413230A (nl)	1976-04-12	Facsimilestelsel.
NL7415528A (nl)	1975-06-17	Ammoniumverbindingen.
NL7409089A (nl)	1975-01-07	Uitvlokkingsmiddel.