Patents by Inventor Arne L. Lovdin

Arne L. Lovdin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Integrated switching and transmission network
    Patent number: 4261052
    Abstract: PCT No. PCT/SE78/00033 Sec. 371 Date May 1, 1979 Sec. 102(e) Date May 1, 1979 PCT Filed Aug. 16, 1978 PCT Pub. No. WO 79/00138 PCT Pub. Date Mar. 22, 1979An integrated switching and transmission network includes a digital switching system for transferring communication information without congestion. The switching system consists of one-way switch modules (SM) which are connected through two-way time division multiplex transmission links (La-Lb) to link modules (LM) each including a control unit (CU) for establishing communication paths within an associated line group (LG) as well as for controlling the switching system in cooperation with the control units of other line groups. Each of the switch modules (SM x/y) is allotted to two of the two-way links and comprises a time stage (TS) and a signalling logic circuit (SL).
    Type: Grant
    Filed: May 1, 1979
    Date of Patent: April 7, 1981
    Assignee: Telefonaktiebolaget L M Ericsson
    Inventors: Mats A. Persson, Arne L. Lovdin