NL181210C - Smeermiddelsamenstelling. - Google Patents

Smeermiddelsamenstelling.

Info

Publication number
NL181210C
NL181210C NLAANVRAGE7514551,A NL181210DA NL181210C NL 181210 C NL181210 C NL 181210C NL 181210D A NL181210D A NL 181210DA NL 181210 C NL181210 C NL 181210C
Authority
NL
Netherlands
Prior art keywords
lubricant composition
lubricant
composition
Prior art date
Application number
NLAANVRAGE7514551,A
Other languages
English (en)
Original Assignee
Elf Aquitaine
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 NL181210C publication Critical patent/NL181210C/nl
Priority to US308618A priority Critical patent/US2728857A/en
Priority to US742336XA priority

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K4/00Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/48Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/60Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor
    • H03K4/62Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as a switching device
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/68Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors specially adapted for switching ac currents or voltages
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/165Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • H04N5/185Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit for the black level
NLAANVRAGE7514551,A 1952-09-09 Smeermiddelsamenstelling. NL181210C (nl)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US308618A US2728857A (en) 1952-09-09 1952-09-09 Electronic switching
US742336XA true 1952-10-01 1952-10-01

Publications (1)

Publication Number Publication Date
NL181210C true NL181210C (nl)

Family

ID=26755401

Family Applications (2)

Application Number Title Priority Date Filing Date
NLAANVRAGE7714457,B NL181718B (nl) 1952-09-09 Werkwijze voor het vervaardigen van een kledingstuk en in het bijzonder een beschermingshandschoen.
NLAANVRAGE7514551,A NL181210C (nl) 1952-09-09 Smeermiddelsamenstelling.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7714457,B NL181718B (nl) 1952-09-09 Werkwijze voor het vervaardigen van een kledingstuk en in het bijzonder een beschermingshandschoen.

Country Status (6)

Country Link
BE (2) BE523133A (nl)
CH (2) CH326329A (nl)
DE (2) DE1025011B (nl)
FR (2) FR1084457A (nl)
GB (2) GB742134A (nl)
NL (2) NL181210C (nl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL255567A (nl) *
DE109417C (nl) * 1958-06-18
US3001014A (en) * 1958-07-14 1961-09-19 Zenith Radio Corp Synchronizing-signal separator
DE1121115B (de) * 1958-11-13 1962-01-04 Telefunken Patent Bipolarer elektronischer Schalter
DE1208791B (de) * 1962-08-31 1966-01-13 Robotron Corp Schaltanordnung mit zwei gesteuerten Halbleitergleichrichtern
US3268658A (en) * 1963-04-19 1966-08-23 Rca Corp Transistor clamp circuit
DE1227938B (de) * 1964-07-17 1966-11-03 Siemens Ag Schaltungsanordnung zur Kompensation der Leerlaufrestspannung bei einem Transistor-schalter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL156301B (nl) * 1949-09-30 H Verheij S Machines Nv Broodopmaakmachine.
US2594449A (en) * 1950-12-30 1952-04-29 Bell Telephone Labor Inc Transistor switching device

Also Published As

Publication number Publication date
BE523133A (nl)
GB742336A (en) 1955-12-21
NL181718B (nl)
CH326329A (de) 1957-12-15
DE1025011B (de) 1958-02-27
GB742134A (en) 1955-12-21
FR64684E (fr) 1955-12-01
BE522540A (nl)
CH342603A (de) 1959-11-30
FR1084457A (fr) 1955-01-19
DE1067473B (de) 1959-10-22

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