翻译 two-wire telephone repeater [tu waɪr ˈtɛləˌfon rɪˈpitɚ] 释义 双线制电话中继器 释义
Convergence between a two way telephone line and two pairs of unidirectional lines insuring a first degree of weakening between the two pairs of lines and a lesser degree of weakening between the two way line and each of the two pairs of lines, is controlled by a pair of transistors (7) ...
Two band wire less telephone high frequency coupler having first coupler elements transmitting/matched load connected and second coupler elements transmitt... The two band coupler (312) has a first coupler (314) with two elements (318,319) one transmitting the High Frequency response and the ...
two wire双线,双线的 telephonen.[C] 1. 电话机 2. 电话 v.[T] 打电话给;用电话传送 v.[I] 打电话,通电话 bi telephone耳机,双耳受话器 head telephone耳机 repeatern. 重复的人,背诵者,循环小数 ; 信号放大器,(用来接收并放大信号再传送至远端主机的一种网络通讯设备) ...
two wire 双线,双线的 telephone n.[C] 1. 电话机 2. 电话 v.[T] 打电话给;用电话传送 v.[I] 打电话,通电话 head telephone 耳机 bi telephone 耳机,双耳受话器 system n. 1.系统 2.制度;体制 3.[the system]既成秩序;现政府,统治集团 4.理论体系 5.方法 6.分类原则 7.条理;秩序 8.系...
A two-wired telephone testing system uses a 1f. test signal which is a multiple of the power line frequency. This test signal is applied between the two-wires or between either wire at a point of potential reference (ground). A measure of the integrated value of the current between the ...
Two Drop Wire Telephone Cable Product Description: Drop wire 1. Conductor: 1.02mm or 0.64mm CCS or bare copper. Conductor diameter can be produced as per customer request. 2. PVC or PE jacket. 3. 500meters or 1000meters per roll.
There is disclosed an arrangement to test the transmission and signaling function of a two-wire carrier telephone channel. The arrangement includes a central office unit to which a test tone is applied for transmission to a subscriber unit. At the subscriber unit a test tone detector detects the...
A two-wire door telephone with hands-free function, in which the functions of calling the inside station from the door station, speaking between door station and inside station in intercom mode and opening the door from the inside station take place via an only two-wire connecting line between...
NE SIGNAL CONVERTER MANUAL TWO-TO-FOUR-WIRE TELEPHONE SIGNAL CONVERTERMANUAL TWO-TO-FOUR-WIRE TELEPHONE SIGNAL CONVERTERdoi:US3514547 AFaughnan, John FVinso, Joseph DUS