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NL173462B - Elektronische wekschakeling voor een telefoontoestel. - Google Patents

Elektronische wekschakeling voor een telefoontoestel.

Info

Publication number
NL173462B
NL173462B NLAANVRAGE7806507,A NL173462DA NL173462B NL 173462 B NL173462 B NL 173462B NL 173462D A NL173462D A NL 173462DA NL 173462 B NL173462 B NL 173462B
Authority
NL
Netherlands
Prior art keywords
telephone
alarm switch
electronic alarm
electronic
switch
Prior art date
Application number
NLAANVRAGE7806507,A
Other languages
English (en)
Dutch (nl)
Original Assignee
Cselt Centro Studi Lab Telecom
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 NL173462B publication Critical patent/NL173462B/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04BCENTRIFUGES
    • B04B3/00Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering
    • B04B3/06Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering discharging solid particles by vibrating the bowl
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/48Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected by vibrations
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K17/00Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02Asynchronous induction motors
    • H02K17/16Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K33/00Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K33/00Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/12Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Structural Engineering (AREA)
NLAANVRAGE7806507,A 1951-11-29 Elektronische wekschakeling voor een telefoontoestel. NL173462B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1065781X 1951-11-29

Publications (1)

Publication Number Publication Date
NL173462B true NL173462B (nl)

Family

ID=7719083

Family Applications (2)

Application Number Title Priority Date Filing Date
NLAANVRAGE7806507,A NL173462B (nl) 1951-11-29 Elektronische wekschakeling voor een telefoontoestel.
NL90109D NL90109C (xx) 1951-11-29

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL90109D NL90109C (xx) 1951-11-29

Country Status (3)

Country Link
BE (1) BE515232A (xx)
FR (1) FR1065781A (xx)
NL (2) NL90109C (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE129456T1 (de) * 1990-04-26 1995-11-15 Esref Halilovic Verfahren zum mischen von beton und mischer.

Also Published As

Publication number Publication date
BE515232A (xx)
FR1065781A (fr) 1954-05-31
NL90109C (xx)

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