Invention Grant US2108458A Receiver 失效 Basic information Please log in to see more content Basic information Please log in to see more content Receiver Patent Title: Receiver Application No.: US38324329 Application Date: 1929-08-03 Publication No.: US2108458A Publication Date: 1938-02-15 Inventor: MARINUS UNK JACOB Applicant: RCA CORP Assignee: RCA Corp Current Assignee: RCA Corp Priority: DE2108458X 1928-08-28 Main IPC: H04B1/20 IPC: H04B1/20 Information query Espacenet IPC分类: H 电学 H04 电通信技术 H04B 传输 H04B1/00 不包含在H04B3/00至H04B13/00单个组中的传输系统的部件；不以所使用的传输媒介为特征区分的传输系统的部件 H04B1/06 .接收机 H04B1/16 ..电路 H04B1/20 ...用于把唱机拾音器、录音机输出端或传声器与接收机相耦合的
