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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B3/00—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering
- B04B3/06—Centrifuges 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/48—Apparatus 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/12—Motors 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)
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)
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. |
-
0
- BE BE515232D patent/BE515232A/xx unknown
- NL NLAANVRAGE7806507,A patent/NL173462B/xx unknown
- NL NL90109D patent/NL90109C/xx active
-
1952
- 1952-10-31 FR FR1065781D patent/FR1065781A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE515232A (xx) | |
FR1065781A (fr) | 1954-05-31 |
NL90109C (xx) |
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