在美国、加拿大、台湾 3 个海外市场查到注册记录。
各官方库的企业名检索均为子串匹配,会命中同名不同司。以下数字为逐条回查厂商名后的结果,不是搜索引擎给的原始命中数。
| 市场 | 标识 | 名称 | 等级 / 日期 |
|---|---|---|---|
| US | K043090 | EASYLISTENER 2 FM, RADIUM FM AND VOCALIGHT INFRARED SOUND FIELD SYSTEMS | 2004-12-23 |
| US | K974658 | INFRARED GROUP AMPLIFICATION SYSTEM, INFRARED EMITTER, INFRARED BODY WORN RECEIVER, INFRARED HEADSET RECEIVER-STEREO, IT | 1998-02-25 |
| US | K974287 | FM RECEIVER - AUDITORY TRAINER | 1998-02-10 |
| CA | 60210 | BEHIND-THE-EAR (BTE) HEARING AID - FM SYSTEM | II 类 |
| CA | 60211 | ASSISTIVE LISTENING DEVICE - FM RECEIVER | II 类 |
| CA | 60338 | ASSISTIVE LISTENING DEVICE - TRANSMITTER | II 类 |