NL78173C - - Google Patents

Info

Publication number
NL78173C
NL78173C NL78173DA NL78173C NL 78173 C NL78173 C NL 78173C NL 78173D A NL78173D A NL 78173DA NL 78173 C NL78173 C NL 78173C
Authority
NL
Netherlands
Application number
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 NL78173C publication Critical patent/NL78173C/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
NL78173D 1950-05-17 NL78173C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR850011X 1950-05-17

Publications (1)

Publication Number Publication Date
NL78173C true NL78173C (fr)

Family

ID=9315025

Family Applications (2)

Application Number Title Priority Date Filing Date
NL686802671A NL155224B (nl) 1950-05-17 Profiellijst voor voertuigcarosserieen.
NL78173D NL78173C (fr) 1950-05-17

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL686802671A NL155224B (nl) 1950-05-17 Profiellijst voor voertuigcarosserieen.

Country Status (6)

Country Link
US (1) US2605333A (fr)
BE (1) BE503198A (fr)
DE (1) DE850011C (fr)
FR (1) FR1018150A (fr)
GB (1) GB679357A (fr)
NL (2) NL78173C (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE510734A (fr) * 1951-04-19
US2794853A (en) * 1951-05-31 1957-06-04 Western Union Telegraph Co Submarine cable amplifier and wave shaper
US2724107A (en) * 1952-06-13 1955-11-15 Ultraschall Geratebau Dr Born Device for transfer of supersonic vibrations
BE523047A (fr) * 1952-09-26
NL82192C (fr) * 1952-10-31
US2737595A (en) * 1952-11-08 1956-03-06 Serge A Scherbatskoy Cross feed indicator for simultaneous radioactivity well logging system
GB739954A (en) * 1953-06-26 1955-11-02 Telefunken Gmbh Improvements in or relating to distributed line amplifiers
DE1003810B (de) * 1953-09-21 1957-03-07 Siemens Ag Verfahren und Einrichtung fuer die Umschaltung von Betriebs- auf Ersatzroehren und umgekehrt sowie fuer die Ein- bzw. Abschaltung oder das Einsetzen bzw. die Entnahme einer von zwei parallel geschalteten Roehren, vorzugsweise fuer Geraete der elektrischen Nachrichtenuebertragungs- und Messtechnik
US2922114A (en) * 1954-01-11 1960-01-19 Schlumberger Well Surv Corp Signal amplifying system
US2807678A (en) * 1954-06-30 1957-09-24 Sirelec Soc Amplifier for direct currents or for very low frequency currents
US2932794A (en) * 1954-07-29 1960-04-12 Motorola Inc Subcarrier separation system
US2824296A (en) * 1955-09-20 1958-02-18 Sperry Rand Corp Redundant fail-proof amplifier and alarm
DE1055599B (de) * 1955-09-20 1959-04-23 Sperry Rand Corp Ausfallsicherer Mehrfachverstaerker
DE1088101B (de) * 1956-05-23 1960-09-01 Western Electric Co Signaluebertragungsanordnung mit einer Anzahl von parallel geschalteten Signaluebertragungskanaelen
US3053934A (en) * 1959-04-21 1962-09-11 Erie Resistor Corp Amplifier system for stereo sound
US3072858A (en) * 1959-07-22 1963-01-08 Sperry Rand Corp Redundant amplifier failure alarm
NL270662A (fr) * 1960-10-26
JPS5012859B1 (fr) * 1969-12-16 1975-05-15

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2199189A (en) * 1937-03-31 1940-04-30 Rca Corp Beat frequency indicator

Also Published As

Publication number Publication date
BE503198A (fr)
FR1018150A (fr) 1952-12-26
GB679357A (en) 1952-09-17
US2605333A (en) 1952-07-29
NL155224B (nl)
DE850011C (de) 1952-09-22

Similar Documents

Publication Publication Date Title
FR1056838A (fr)
FR955160A (fr)
FR954729A (fr)
FR955146A (fr)
AT195820B (fr)
FR955575A (fr)
FR955330A (fr)
FR955250A (fr)
BE504981R (fr)
BE494021A (fr)
BE493380A (fr)
BE503198A (fr)
BE494875A (fr)
BE494864A (fr)
BE494949A (fr)
BE495113A (fr)
BE495131A (fr)
BE494643A (fr)
BE494442A (fr)
BE494262A (fr)
BE494252A (fr)
BE365921A (fr)
BE494127A (fr)
BE494028A (fr)
BE493328A (fr)