AT283156B - Elektronische Steuerung für Elektromotoren od.dgl., insbesondere für Schulwandtafeln - Google Patents
Elektronische Steuerung für Elektromotoren od.dgl., insbesondere für SchulwandtafelnInfo
- Publication number
- AT283156B AT283156B AT361567A AT361567A AT283156B AT 283156 B AT283156 B AT 283156B AT 361567 A AT361567 A AT 361567A AT 361567 A AT361567 A AT 361567A AT 283156 B AT283156 B AT 283156B
- Authority
- AT
- Austria
- Prior art keywords
- electronic control
- electric motors
- blackboards
- school
- school blackboards
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/9645—Resistive touch switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/24—Controlling the direction, e.g. clockwise or counterclockwise
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic 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
- H03K17/60—Electronic 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
- H03K17/64—Electronic 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 having inductive loads
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Adjustable Resistors (AREA)
- Facsimiles In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH552166A CH455189A (de) | 1966-04-15 | 1966-04-15 | Wandtafel mit einer elektrischen Vorrichtung zum Steuern eines ihre Verschiebebewegung durchführenden Elektromotors |
Publications (1)
Publication Number | Publication Date |
---|---|
AT283156B true AT283156B (de) | 1970-07-27 |
Family
ID=4295008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT361567A AT283156B (de) | 1966-04-15 | 1967-04-17 | Elektronische Steuerung für Elektromotoren od.dgl., insbesondere für Schulwandtafeln |
Country Status (4)
Country | Link |
---|---|
US (1) | US3525028A (de) |
AT (1) | AT283156B (de) |
CH (1) | CH455189A (de) |
GB (1) | GB1133182A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3651389A (en) * | 1968-11-09 | 1972-03-21 | Nippon Denso Co | Safety device for use with automatic automobile window regulator |
US3651391A (en) * | 1969-09-26 | 1972-03-21 | Black & Decker Mfg Co | Electronic switch arrangements |
DE2642726C2 (de) * | 1976-09-23 | 1982-05-27 | Braun Ag, 6000 Frankfurt | Schaltungsanordnung zum automatischen Steuern der Bewegung eines Tonarms und eines Plattentellerantriebs |
US5396222A (en) * | 1993-03-25 | 1995-03-07 | United States Surgical Corporation | Ergonomic machine actuator |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2576929A (en) * | 1949-09-02 | 1951-12-04 | Ercolino Michael | Direction finding device |
US2946956A (en) * | 1958-08-28 | 1960-07-26 | United Shoe Machinery Corp | Body conductivity operated controls for electric devices |
US3056907A (en) * | 1958-10-16 | 1962-10-02 | Hubbell Inc Harvey | Touch controlled circuit |
US3020528A (en) * | 1959-04-20 | 1962-02-06 | Jr Caleb V Swanson | Toilet training apparatus |
US3207905A (en) * | 1961-08-17 | 1965-09-21 | Gen Electric | Touch-sensitive optoelectonic circuits and indicators |
US3218530A (en) * | 1961-08-31 | 1965-11-16 | Singer Mfg Co | Motor speed control by space transmission of electromagnetic energy |
US3255380A (en) * | 1961-09-11 | 1966-06-07 | Tung Sol Electric Inc | Touch responsive circuit for control of a load |
-
1966
- 1966-04-15 CH CH552166A patent/CH455189A/de unknown
-
1967
- 1967-04-17 AT AT361567A patent/AT283156B/de not_active IP Right Cessation
- 1967-04-17 GB GB17512/67A patent/GB1133182A/en not_active Expired
- 1967-04-17 US US631252A patent/US3525028A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CH455189A (de) | 1968-04-30 |
US3525028A (en) | 1970-08-18 |
GB1133182A (en) | 1968-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |