共 50 条
- [21] PIEZO-ELECTRIC TRANSMITTER INSET TS9 FOR MODERN TELEPHONES. Telcom Report (English Edition), 1983, 6 (03): : 101 - 106
- [22] Concerning the connection between the direct and inductive coupled emitter systems for cableless telephones. PHYSIKALISCHE ZEITSCHRIFT, 1904, 5 : 452 - 455
- [27] SOUND ALERTER POWERED OVER AN OPTICAL FIBER BELL SYSTEM TECHNICAL JOURNAL, 1978, 57 (09): : 3309 - 3316
- [28] STUDIO QUALITY, HIGH POWERED SOUND SYSTEMS JOURNAL OF THE AUDIO ENGINEERING SOCIETY, 1974, 22 (04): : 274 - 274