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:
Oct. 10, 1989
Filed:
Sep. 25, 1987
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Abstract
An address management unit is provided for the conversion of logical addresses contained in a program into physical addresses for a multi-processor central control unit of a computer-controlled communications switching system comprising a central bulk storage, and additional memories in the processors, and peripheral units, a logical address forms a polysyllable address word of which one address syllable corresponds to the logical starting address of a logical address space and the other address syllable corresponds to the logical address within this logical address space. A special-purpose memory serves the purpose of storing four-syllable words having a long word length which are respectively stored therein under the addresses formed by the one address syllables. The four word syllables each correspond to a specific control signal in which the first word syllable corresponds to the address of the physical address space, the second syllable corresponds to the plurality of physically-present addresses of the physical address space to be selected, the third syllable corresponds to the total physical object to be selected, and the fourth syllable corresponds to respective information concerning access rights, whereby the fourth syllable monitors the access to the unit to be selected in accordance with the third word syllable.