RADIO FREQUENCY INTERFERENCE FILTER.
    21.
    发明公开
    RADIO FREQUENCY INTERFERENCE FILTER. 失效
    无线电频率干扰滤波器

    公开(公告)号:EP0614588A4

    公开(公告)日:1995-10-04

    申请号:EP93922349

    申请日:1993-09-27

    申请人: DENEDIOS TOM

    发明人: DENEDIOS TOM

    摘要: A Radio Frequency Interference Filter (10, 12) is connectable in series in the tip (T) and ring (R) branches of a telephone circuit. A first suppression stage (20) has a first inductor (L1) connectable to the tip (T) branch of the circuit and a second inductor (L2) connectable to the ring (R) branch of the circuit. The second suppression stage (22) of one embodiment of the filter (10) has a transformer (T1) with one winding (W1) connected in series with the first inductor (L1) for the tip (T) branch of circuitry and the second winding (W2) connected in series with the second inductor (L2) for the ring (R) branch of circuitry. In a second, alternative embodiment of the filter (12), the second suppression stage (22) has one ferrite-core inductor (L3) connected in series with the first inductor (L1) for the tip (T) branch of circuitry and a second ferrite-core inductor (L4) connected in series with the second inductor (L2) for the ring (R) branch of circuitry. A fuse (F1, F2) may precede each inductor (L1, L2) to protect the filter (10). The filter (10, 12) may be encapsulated to provide protection from adverse environmental changes.

    摘要翻译: PCT No.PCT / US93 / 09047 Sec。 371日期1994年5月23日 102(e)日期1994年5月23日PCT提交1993年9月27日PCT公布。 出版物WO94 / 08417 日期1994年04月14日无线电频率干扰滤波器(10,12)可串联连接在电话电路的尖端(T)和环(R)分支中。 第一抑制级(20)具有可连接到电路的尖端(T)分支的第一电感器(L1)和可连接到电路的环(R)支路的第二电感器(L2)。 滤波器(10)的一个实施例的第二抑制级(22)具有变压器(T1),其中一个绕组(W1)与用于电路的尖端(T)分支的第一电感器(L1)串联连接,第二抑制级 绕组(W2)与电路的环(R)分支与第二电感器(L2)串联连接。 在第二个滤波器12的替代实施例中,第二抑制级(22)具有与用于电路的尖端(T)分支的第一电感器(L1)串联连接的一个铁氧体磁芯电感器(L3)和第二铁氧体 - 电感器(L4)与用于电路的环(R)分支的第二电感器(L2)串联连接。 保险丝(F1,F2)可以在每个电感器(L1,L2)之前,以保护滤波器(10)。 过滤器(10,12)可以被封装以提供防止不利的环境变化的保护。

    Acoustic feedback suppression device particularly for auxiliary ringers in plug-in telephone systems
    22.
    发明公开
    Acoustic feedback suppression device particularly for auxiliary ringers in plug-in telephone systems 失效
    Überdrückungsvorrichtung用于声反馈,特别是用于Stecktelephonsystemen辅助振铃。

    公开(公告)号:EP0556742A1

    公开(公告)日:1993-08-25

    申请号:EP93102238.8

    申请日:1993-02-12

    IPC分类号: H04M1/74

    CPC分类号: H04M19/04 H04M1/74

    摘要: An acoustic feedback suppression device, particularly for auxiliary ringers in plug-in telephone systems, includes diodes (17,18) in addition to a rectifier bridge (11) of the ringer (14). The circuit provides direct-current decoupling and limits the AC voltage present across the auxiliary ringer.

    摘要翻译: 声反馈抑制装置,特别是用于插电式电话系统辅助铃声,包括二极管(17,18)除了振铃(14)的整流桥(11)。 该电路提供直流去耦,并限制本跨辅助振铃AC电压。

    TELEPHONE PROTECTION CIRCUIT.
    23.
    发明公开
    TELEPHONE PROTECTION CIRCUIT. 失效
    SCHUTZSCHALTUNGFÜRFERNSPRECHER。

    公开(公告)号:EP0306483A4

    公开(公告)日:1989-07-11

    申请号:EP87902330

    申请日:1987-04-13

    申请人: ALCATEL AUSTRALIA

    IPC分类号: H02H9/04 H04M1/00 H04M1/74

    CPC分类号: H04M1/745 H02H9/049

    摘要: A protection circuit for a telephone having a two wire subscriber line (L1, L2) and an earth line (E) comprises a single surge protection device (2) connected between a bridge rectifier polarity-guard (D1, D2, D3, D4) which is across the subscriber line and the remainder of the telephone circuitry (1, 4) which is connected to the output of the polarity guard. Three diodes (D5, D6, D7) are used to interconnect the earth line and the pair of output lines from the polarity guard to the protection device in such a way as to prevent surges from being fed to the remainder of the telephone circuit, the surge paths including one or two arms of the polarity guard.

    摘要翻译: 用于具有双线用户线(L1,L2)和地线(E)的电话机的保护电路包括连接在桥式整流器极性保护(D1,D2,D3,D4)之间的单个电涌保护装置(2) 它跨越用户线和连接到极性保护装置输出端的电话电路(1,4)的其余部分。 使用三个二极管(D5,D6,D7)将地线和一对输出线从极性保护装置连接到保护装置,以防止浪涌馈送到电话电路的其余部分, 包括一个或两个极性保护臂的电涌路径。

    Schaltungsanordnung zur Unterdrückung von Störsignalen auf dem Empfangszweig einer unter Verwendung von elektronischen Bauelementen aufgebauten und damit ohne Sprachübertrager realisierten Teilnehmeranschlussschaltung
    24.
    发明公开
    Schaltungsanordnung zur Unterdrückung von Störsignalen auf dem Empfangszweig einer unter Verwendung von elektronischen Bauelementen aufgebauten und damit ohne Sprachübertrager realisierten Teilnehmeranschlussschaltung 失效
    上的接收支路抑制干扰信号的电路结构的使用电子元件构造和无语音变压器用户线接口电路,因此实现。

    公开(公告)号:EP0209716A2

    公开(公告)日:1987-01-28

    申请号:EP86108130.5

    申请日:1986-06-13

    IPC分类号: H04M1/74

    CPC分类号: H04M19/005

    摘要: Schaltungsanordnung zur Unterdrückung von Störsignalen auf dem Empfangszweig einer unter Verwendung von elektronischen Bauelementen aufgebauten und damit ohne Sprachübertrager realisierten Teilnehmeranschlußschaltung.
    Schaltungsanordnung zur Unterdrückung von Störsignalen auf dem Empfangszweig einer unter Verwendung von elektronischen Bauelementen aufgebauten und damit ohne Sprachübertrager realisierten Teilnehmeranschlußschaltung. An den Empfangszweig der Teilnehmeranschlußschaltung (SLIC) ist eine Zweipolfilterschaltung (ZF) angeschlossen, die aus der Parallelschaltung eines Parallel- und eines Serienresonanzkreises (LPCP und LSCS) besteht, deren Resonanzfrequenz der Frequenz der zur Gebrührenimpulsübermittlung eingespeisten Signale entspricht, die ohne die genannten Maßnahmen bei Reflexionen als Störsignale wirken können.

    摘要翻译: 用于在使用电子元件构造和无语音变压器因此实现用户线电路的所述接收支路抑制干扰信号的电路装置。 用于在使用电子元件构造和无语音变压器因此实现用户线电路的所述接收支路抑制干扰信号的电路装置。 在用户线接口电路(SLIC)连接一个Zweipolfilterschaltung(ZF),其由平行的并联连接和串联谐振电路(LPCP和LSCS)的频率的谐振频率的的接收支路的供给Gebrührenimpulsübermittlung信号对应于没有上述措施 反射可以充当干扰。

    TELECOMMUNICATION SYSTEM SURGE PROTECTION DEVICE.
    25.
    发明公开
    TELECOMMUNICATION SYSTEM SURGE PROTECTION DEVICE. 失效
    GUARD超载电信网络。

    公开(公告)号:EP0148911A4

    公开(公告)日:1987-01-20

    申请号:EP84902689

    申请日:1984-07-09

    申请人: ZAMBURRO FRANK

    发明人: ZAMBURRO FRANK

    IPC分类号: H02H9/06 H04M1/74

    CPC分类号: H02H9/06

    摘要: A surge protection device for a telecommunication system is in the form of a component (10) which may be interposed in a line of the system. Positioned across conductors (32, 34) of the component (10) which conductors (32, 34) are, in use, connected to conductors of the system line, is a gas arrestor (36) which operates to deflects surges reaching the component along the system line.

    APPARATUS FOR DAMPING OF VOLTAGE AND CURRENT PEAKS FOR TELECOMMUNICATION NETWORKS

    公开(公告)号:EP4125262A1

    公开(公告)日:2023-02-01

    申请号:EP21188000.0

    申请日:2021-07-27

    申请人: Ingelva S.r.l.

    摘要: Apparatus (1) for damping of voltage and current peaks in a telecommunications network/system, comprising an input data connector (2a) and an output data connector (2b) arranged serially on a voice and/or data electric line, and a damper (3) having a casing (8) comprising a mixture of particles of a piezoelectric material and a refractory inert material, configured to transform the energy load of electromagnetic stress which causes overvoltages and overcurrents into mechanical energy and into thermal energy, into which mixture a plurality of input electrodes (5), that are connected to respective cables (6a) of the input data connector (2a) and to respective cables (6b) of the output data connector (2b), and an earth-connected conductive heat dissipation bar (7) are partially immersed.

    SPANNUNGSFESTE SCHNITTSTELLENSCHALTUNG
    30.
    发明公开
    SPANNUNGSFESTE SCHNITTSTELLENSCHALTUNG 有权
    电压固界面电路

    公开(公告)号:EP2564671A1

    公开(公告)日:2013-03-06

    申请号:EP11716938.3

    申请日:2011-05-02

    发明人: BÖCKLE, Reinhard

    IPC分类号: H05B37/02 H04M1/74

    摘要: In examples of the embodiment, a surge-proof interface circuit (100) comprises a rectifier circuit (20) which is configured to produce a rectified rectifier output voltage at the rectifier output terminals (20c, 20d), in accordance with a rectifier input voltage at the rectifier input terminals (20a, 20b), and a Darlington circuit (30) which comprises at least two transistors (Q3, Q4). Said Darlington circuit (30) comprises a current path (35) which can be controlled on the output side in accordance with a control signal (62) and said current path (35) which can be controlled on the output side is coupled between the rectifier output connections (20c, 20d).