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:
Feb. 20, 1990
Filed:
Feb. 22, 1988
Kazuo Inahara, Saitama, JP;
Junichi Igarashi, Tokyo, JP;
Nihon Kohden Corporation, Tokyo, JP;
Abstract
A channel management apparatus provided for a plurality of master radio communication units which perform communication by selecting as desired one or more of a plurality of channels that are respectively assigned to a plurality of slave radio communication units. This apparatus is provided with a shared storage device which is capable of being set on each master unit and which contains items of data on registered channels which correspond to all of channels used by the master units, and a plurality of groups of devices incorporated in the master units. Each of the groups of devices includes: a setting device for manually setting the channels used by corresponding one of the master units; a display device for displaying the channels used by the master unit; a channel data processing device adapted to make the display device display data on the registered channels by reading this data from the storage device which has been set, the data processing device updating the data on the registered channels in the storage device in accordance with the data on the channels used by the master unit supplied from the setting means; and a channel selecting device adapted to select, in accordance with the data on the channels to be used, channels through which the communication is performed.