Invention Grant
- Patent Title: Connecting device for waiting in automatic telephone plants
- Patent Title (中): 用于在自动电话播放中等待的连接设备
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Application No.: US3472968DApplication Date: 1966-01-04
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Publication No.: US3472968APublication Date: 1969-10-14
- Inventor: JACOBAEUS ANTON CHRISTIAN , LARSSON TORSTEN ALRIK
- Applicant: ERICSSON TELEFON AB L M
- Assignee: Ericsson Telefon Ab L M
- Current Assignee: Ericsson Telefon Ab L M
- Priority: SE175365 1965-02-11; SE393165 1965-03-26
- Main IPC: H04Q3/42
- IPC: H04Q3/42 ; H04M3/00
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