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close this bookCircuits, Formulas and Tables Electrical Engineering - Basic Vocational Knowledge
close this folder1. Selected Graphical Symbols of Electrotechnology
View the document1.1. Graphical Symbols for General Circuit Elements
View the document1.2. Graphical Symbols for Types of Current, Voltage and Connections
View the document1.3. Graphical Symbols for Lines and Line Connections
View the document1.4. Graphical Symbols for Resistors
View the document1.5. Graphical Symbols for Capacitors
View the document1.6. Graphical Symbols for Coils and Transformers
View the document1.7. Graphical Symbols for Current and Voltage Transformers
View the document1.8. Graphical Symbols for Electrochemical and Electrothermal Sources
View the document1.9. Graphical Symbols for Tubes
View the document1.10. Graphical Symbols for Semiconductors
View the document1.11. Graphical Symbols for Switching Devices
View the document1.12. Graphical Symbols for Machines
View the document1.13. Graphical Symbols for Meter Movements and Measuring Instruments
View the document1.14. Graphical Symbols of Electroacoustics
View the document1.15. Graphical Symbols for Wiring Plans

1.14. Graphical Symbols of Electroacoustics

Term

Graphical Symbol


in full

simplified

Devices



telephone receiver


or


microphone


or


throat microphone



hand set



loudspeaker


or


monohead, general



stereohead, general



record head, mechanical



replay head, mechanical



magnetic head, general



recording head



playback head



magnetic head for recording and playback



erasing head



bell, general



alternating current bell



direct current bell



single-stroke bell



buzzer



horn



siren



howler



Signs



electromagnetic



electrodynamic by coil



electrodynamic by band



piezoelectric



magnetostrictive



capacitive



carbon



Examples



electromagnetic telephone receiver



carbon microphone



capacitor microphone



magnetostrictive loudspeaker