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. 18, 2014
Filed:
Oct. 28, 2009
Applicants:
Shoji Fukuzawa, Osaka, JP;
Yoshiyuki Tanaka, Osaka, JP;
Inventors:
Shoji Fukuzawa, Osaka, JP;
Yoshiyuki Tanaka, Osaka, JP;
Assignee:
Icom Incorporated, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 7/14 (2006.01); H04J 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A frequency band of 12.5 kHz that two repeaters (A), (B) are allowed to utilize is divided into two frequency bands, divisional frequency bands of 6.25 kHz are allocated to respective repeaters (A), (B), the repeater (A) which is one specific repeater suspends transmission of a signal at a certain time set beforehand, another repeater (B) is instructed to suspend transmission of a signal, and after signal transmission at individual repeaters (A), (B) are suspended, the repeater (A) transmits a defined CW-ID signal which is a call signal given to the whole two repeaters (A), (B).