Modulator having variable magnitude impedance for regulating the operating attenuation

Invention Grant

US3239780A Modulator having variable magnitude impedance for regulating the operating attenuation 失效

Title translation: 具有可变幅度阻抗的调制器用于调节工作衰减

Patent Title: Modulator having variable magnitude impedance for regulating the operating attenuation
Patent Title (中): 具有可变幅度阻抗的调制器用于调节工作衰减
Application No.: US29862163

Application Date: 1963-07-30
Publication No.: US3239780A

Publication Date: 1966-03-08
Inventor: PETER ECHARTI FRIEDRICH KARL
Applicant: ERICSSON TELEFON AB L M
Assignee: Ericsson Telefon Ab L M
Current Assignee: Ericsson Telefon Ab L M
Priority: SE958962 1962-09-05
Main IPC: H03C1/54
IPC: H03C1/54

Public/Granted literature

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Espacenet

IPC分类:

H	电学
H03	基本电子电路
H03C	调制（微波激射器或激光器入H01S；编码、译码或代码变换入H03M）
H03C1/00	幅度调制（H03C5/00，H03C7/00优先）
H03C1/52	.载频或一个边带全部或部分被抑制的调制器（H03C1/28至H03C1/34，H03C1/46，H03C1/48优先）
H03C1/54	..平衡调制器，例如桥型、环型或双平衡型