NL187239B - N-SUBSTITUATED 2-CYANAZIRIDINE DERIVATIVE, METHOD FOR PREPARING IT AND PHARMACEUTICAL PREPARATION CONTAINING SUCH PREPARATION. - Google Patents

N-SUBSTITUATED 2-CYANAZIRIDINE DERIVATIVE, METHOD FOR PREPARING IT AND PHARMACEUTICAL PREPARATION CONTAINING SUCH PREPARATION.

Info

Publication number
NL187239B
NL187239B NLAANVRAGE7905855,A NL187239DA NL187239B NL 187239 B NL187239 B NL 187239B NL 187239D A NL187239D A NL 187239DA NL 187239 B NL187239 B NL 187239B
Authority
NL
Netherlands
Prior art keywords
cyanaziridine
substituated
derivative
preparing
preparation
Prior art date
Application number
NLAANVRAGE7905855,A
Other languages
Dutch (nl)
Original Assignee
Boehringer Mannheim Gmbh
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.)
Publication of NL187239B publication Critical patent/NL187239B/en

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
    • H03H11/10—Frequency selective two-port networks using negative impedance converters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/16—Control of transmission; Equalising characterised by the negative-impedance network used

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (AREA)
NLAANVRAGE7905855,A 1953-06-08 N-SUBSTITUATED 2-CYANAZIRIDINE DERIVATIVE, METHOD FOR PREPARING IT AND PHARMACEUTICAL PREPARATION CONTAINING SUCH PREPARATION. NL187239B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US360301A US2788496A (en) 1953-06-08 1953-06-08 Active transducer

Publications (1)

Publication Number Publication Date
NL187239B true NL187239B (en)

Family

ID=23417423

Family Applications (2)

Application Number Title Priority Date Filing Date
NL97559D NL97559C (en) 1953-06-08
NLAANVRAGE7905855,A NL187239B (en) 1953-06-08 N-SUBSTITUATED 2-CYANAZIRIDINE DERIVATIVE, METHOD FOR PREPARING IT AND PHARMACEUTICAL PREPARATION CONTAINING SUCH PREPARATION.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL97559D NL97559C (en) 1953-06-08

Country Status (6)

Country Link
US (1) US2788496A (en)
BE (1) BE529361A (en)
DE (1) DE1127401B (en)
FR (1) FR1102666A (en)
GB (1) GB753085A (en)
NL (2) NL187239B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936426A (en) * 1955-05-02 1960-05-10 Joseph F Mcclean Filter network
US2933703A (en) * 1958-05-09 1960-04-19 Bell Telephone Labor Inc Active impedance branch
US3068329A (en) * 1959-04-28 1962-12-11 Bell Telephone Labor Inc Negative-impedance repeater
US3202925A (en) * 1960-03-25 1965-08-24 Nippon Electric Co Filter amplifier
US3187266A (en) * 1960-09-12 1965-06-01 Rca Corp Impedance inverter coupled negative resistance amplifiers
US3243739A (en) * 1960-10-20 1966-03-29 Westinghouse Electric Corp Negative reactive circuitry
US3243740A (en) * 1960-10-20 1966-03-29 Westinghouse Electric Corp Reactance enhancing networks
US3243743A (en) * 1960-10-20 1966-03-29 Westinghouse Electric Corp Negative reactance tuned circuit
US3178650A (en) * 1960-12-05 1965-04-13 Hamasaki Joji Four-terminal, negative-resistance amplifying circuit
US3255421A (en) * 1961-10-31 1966-06-07 United Aircraft Corp Negative resistance distributed amplifier
US3289116A (en) * 1962-03-21 1966-11-29 Bell Telephone Labor Inc Prescriptive transformerless networks
US3286206A (en) * 1963-04-24 1966-11-15 Kabushikikaisha Taiko Denki Se Active cr two-terminal circuit
US3408590A (en) * 1966-10-31 1968-10-29 Bell Telephone Labor Inc Active hybrid filter using frequency emphasizing and attenuating networks
SE348337B (en) * 1968-05-10 1972-08-28 B Henoch
US3731218A (en) * 1971-09-09 1973-05-01 United Aircraft Corp Active double tuned band pass filter
US3906350A (en) * 1973-03-12 1975-09-16 Comark Ind Inc Nyquist slope filter useful for monitoring video modulation at transmitting station
GB1585097A (en) * 1976-06-23 1981-02-25 Post Office Active filter
US4151493A (en) * 1977-10-03 1979-04-24 Northern Telecom Limited Negative impedance converters
US4533951A (en) * 1982-09-27 1985-08-06 Rca Corporation System for generating and displaying a compatible high definition television signal by progressive scanning

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL39540C (en) * 1933-01-30
US2243440A (en) * 1936-09-30 1941-05-27 Rca Corp Wave transmission circuits
US2185389A (en) * 1938-05-09 1940-01-02 Hazeltine Corp Feedback amplifier filter
US2197348A (en) * 1938-05-17 1940-04-16 Rca Corp Impedance inverter
US2549065A (en) * 1948-11-02 1951-04-17 Bell Telephone Labor Inc Frequency discriminative electric transducer

Also Published As

Publication number Publication date
GB753085A (en) 1956-07-18
DE1127401B (en) 1962-04-12
FR1102666A (en) 1955-10-25
US2788496A (en) 1957-04-09
BE529361A (en)
NL97559C (en)

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