The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 1987
Filed:
May. 23, 1984
Tetsuo Takemura, Kamakura, JP;
Shinobu Gohara, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A time switch for a time division switch has a function to exchange time slots as well as functions of bit are conversion and multiplexing or demultiplexing. A first stage time switch comprises a channel memory capable of sequential writing and random reading and a converter for converting a data read from the channel memory to a universal signal in accordance with a conversion mode designation. A final stage time switch comprises a channel memory capable of random writing and sequential reading and a control circuit for designating a write bit position of the channel memory in accordance with a write mode designation. An economic time switch having a high flexibility to a traffic variation among bearer signals is provided.