562,115. Automatic exchange systems. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd., GILLINGS, C., and MURRAY, L. J. March 8, 1943, No. 3717. [Class 40 (iv)] In a system in which subscribers' lines are conn
AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd., and GRAHAM, J. ST. C. W. Feb. 1, 1937, No. 2933. [Class 40 (iv)] In a party-line system such as that described in Specification 476,813, the selecting switches are spring driven and controlled by an escapement and the springs are rewound...
Publication Date: 03/24/1959 Filing Date: 06/24/1955 Export Citation: Click for automatic bibliography generation Assignee: AUTOMATIC TELEPHONE & ELECT Primary Class: 330/3 Other Classes: 330/296 International Classes: G05B11/01;H03F5/00;H03K3/26 ...
AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd. April 3, 1951 [April 15, 1950], No. 9298/50. Class 40 (iv). In a vertical and rotary switch arranged for rectangular release, the wiper carriage 10 carries a cam 18 which is able to rotate relative to the carriage and which at predetermined ...
Automatic telephone system 600,423. Automatic exchange systems. SIEMENS BROS. & CO., Ltd., and YATES, K. R. Oct. 5, 1945, No. 26033. [Class 40 (iv)] In a system involving only a small number of subscribers, the only relays in each subscriber's line circuit are lin... YK Robert...
A method for automatic input and transmission of a pass word when using a telephone set permits a simple pass word input by using only one pass word button when different pass words are used for various service fields or operations mode... DS Oh - US 被引量: 0发表: 2004年 Systems and...
AUTOMATIC SWITCHING ARRANGEMENT FOR TELEPHONE EXCHANGES PROVIDING REROUTING FACILITY 1,142,138. Automatic exchange systems. GENERAL ELECTRIC CO. Ltd., and H.M. POSTMASTER GENERAL. 22 March, 1967 [28 March, 1966], No. 13495/66. Heading H4K. In an automatic switching arrangement having a pluralit...
CONSTITUTION:A remote control signal is provided to the amplifier circuit 20, the mechanical filter FM and the rectifying and smoothing circuit 22 in order through the line transformer LT from a telephone line, and it is converted to a DC signal. In case the remote control signal is sent ...
摘要: This invention relates to switching systems and devices and more particularly to such systems and devices when used in the establishment of telephone connections. An object is to simplify the automatic equipment and circuit facilities for establishing telephone connections between subscribers'...收...
申请(专利权)人: SANYO ELECTRIC CO LTD 发明人:K Nobuyuki,I Masahiro 摘要: PROBLEM TO BE SOLVED: To provide an automatic answering telephone set having an automatic answering recording and reproduction function such that trouble of message reproduction is avoided. ;SOLUTION: This automatic answering ...