電話振鈴之改革
| dc.citation.epage | =O56-1 | en_US |
| dc.citation.spage | 252 | en_US |
| dc.citation.volume | 2 | en_US |
| dc.contributor.author | 張天鵬 | zh_TW |
| dc.contributor.author | Tian-Pong Chang | en_US |
| dc.date.accessioned | 2017-10-06T06:22:47Z | |
| dc.date.available | 2017-10-06T06:22:47Z | |
| dc.date.issued | 1976-12 | en_US |
| dc.description.abstract | A new electronic tone ringer is presented. Basically the circuit of the new ringer can be drived by a 3.5 KHz ringing source, 3 volts in amplitude. The new ringer has the advantages over the convenntional magneto bell ringer in the following respects. System reliability, flatness of frequency response, weight and cost. A prototype was built and tested with satisfactory results. | en_US |
| dc.identifier.journal | 交通大學學報 | zh_TW |
| dc.identifier.journal | The Journal of National Chiao Tung University | en_US |
| dc.identifier.uri | https://ir.lib.nycu.edu.tw/handle/11536/137583 | |
| dc.language.iso | en_US | en_US |
| dc.title | 電話振鈴之改革 | zh_TW |
| dc.title | An Innovative Ringing Technique in Telephone System—The Electronic Tone Ringer | en_US |
| dc.type | Campus Publications | en_US |