JPS5645005A - Electromagnetic device - Google Patents
Electromagnetic deviceInfo
- Publication number
- JPS5645005A JPS5645005A JP12105979A JP12105979A JPS5645005A JP S5645005 A JPS5645005 A JP S5645005A JP 12105979 A JP12105979 A JP 12105979A JP 12105979 A JP12105979 A JP 12105979A JP S5645005 A JPS5645005 A JP S5645005A
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic device
- attracted
- plunger
- resistor
- constitution
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/10—Manually-operated control; Solenoid-operated control
- G11B15/103—Manually-operated control; Solenoid-operated control electrically operated
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
- H01F7/1838—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current by switching-in or -out impedance
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Recording Measured Values (AREA)
Abstract
PURPOSE:To simplify the constitution and to reduce the watt consumption and heating value of an electromagnetic device for a plunger and the like used to control a tape recorder and the like by inserting a resistor in the exciting winding circuit to maintain the state of a movable piece having been attracted. CONSTITUTION:To maintain the state of a movable piece, e.g., a plunger 8 having been attracted by excitation of windings 6 and 7, switches 9 and 10 are changed over to the fixed terminal side. This causes a resistor 11 to be inserted in the exciting winding circuit. Thus, the watt consumption and the heating value on the whole can be reduced.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12105979A JPS5645005A (en) | 1979-09-20 | 1979-09-20 | Electromagnetic device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12105979A JPS5645005A (en) | 1979-09-20 | 1979-09-20 | Electromagnetic device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5645005A true JPS5645005A (en) | 1981-04-24 |
Family
ID=14801813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12105979A Pending JPS5645005A (en) | 1979-09-20 | 1979-09-20 | Electromagnetic device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5645005A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5784244A (en) * | 1996-09-13 | 1998-07-21 | Cooper Industries, Inc. | Current limiting circuit |
-
1979
- 1979-09-20 JP JP12105979A patent/JPS5645005A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5784244A (en) * | 1996-09-13 | 1998-07-21 | Cooper Industries, Inc. | Current limiting circuit |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2105132A (en) | Electronic device for the energization of an electromagnetic element | |
EP0295011A3 (en) | Self regulating heater | |
AU498304B2 (en) | Circuit breaker with single coil actuator and undervoltage release mechanism | |
EP0212677A3 (en) | Electronic switching device with exciting coil | |
JPS5645005A (en) | Electromagnetic device | |
JPS57197622A (en) | Circuit for driving coil current | |
GB892825A (en) | Improvements in or relating to electric control circuits | |
ES8305525A1 (en) | Multi-chopping drive circuit for an electromagnetic print hammer or the like. | |
GB1555178A (en) | Circuit for providing saw-tooth current in a coil | |
FR2353944A1 (en) | Control switching circuit for refrigerator set - has bistable relay and voltage transformer with voltage divider and charge capacitor in output circuit | |
JPS5723333A (en) | High-frequency signal changeover switch | |
GB905350A (en) | Improvements in and relating to ferro-resonant bi-stable electric circuit arrangements | |
DE3166681D1 (en) | Temperature compensation for highly sensitive permanent-magnetic holding relays | |
GB2246908A (en) | Improvements in electromagnetic devices | |
SU796943A1 (en) | Sensor of duration of electric discharge on relay contacts with magnetically-operated contacts | |
FR2360982A2 (en) | Sensitive electromagnetic relay with two iron cores - has permanent magnet between cores and has control coil forming flat structure | |
JPS51144555A (en) | Oscillation circuit | |
JPS5665359A (en) | Control circuit for cassette loading-unloading device of tape recorder | |
JPS551615A (en) | Magnetizing and demagnetizing unit of magnetic bubble memory device and its production | |
FR2338566A1 (en) | Low power electromagnetic release for contact-breaker - has coil actuated moving core to release split collet | |
JPS55154616A (en) | Excitation control circuit of series transformer in automatic voltage regulator | |
JPS5635644A (en) | Coil exciting electric power supply | |
JPS55159629A (en) | Switching unit | |
FR2361735A1 (en) | Sensitive electromagnetic relay with two iron cores - has permanent magnet between cores and has control coil forming flat structure | |
JPS5714000A (en) | Operation circuit for rotary driver |