Title:
SEARCH DEVICE AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/104114
Kind Code:
A1
Abstract:
The objective of the present invention is to provide a search device and system with which reception time between a master unit and a slave unit can be further reduced, and with which power consumption can be restricted, even under a condition in which the number of slave units that can be managed has been increased. A search device which uses a radio signal from a master unit, provided with a transmitter and a receiver, to search for a specific slave unit from among a plurality of slave units which are provided with a transmitter and a receiver and which perform intermittent reception, wherein: the radio signal includes time management information instructing the plurality of slave units to enter a receiving state simultaneously after a fixed time period has elapsed; a radio signal containing an action instruction is transmitted from the master unit to a specific slave unit when the plurality of slave units have simultaneously entered the receiving state; the action instruction includes slave unit response time information; an action corresponding to the action instruction is performed by the specific slave unit that has received the specific radio signal from the master unit; and at the response time associated with the slave unit response time information, reply information related to the action instruction is transmitted by the slave unit.
More Like This:
Inventors:
YAMAZAKI HITOSHI (JP)
KITA YOSHIHIRO (JP)
ITO SYUNJI (JP)
KITA YOSHIHIRO (JP)
ITO SYUNJI (JP)
Application Number:
PCT/JP2015/084224
Publication Date:
June 30, 2016
Filing Date:
November 30, 2015
Export Citation:
Assignee:
TAKTEC INC (JP)
International Classes:
H04B1/59
Domestic Patent References:
| WO2010061466A1 | 2010-06-03 |
Foreign References:
| JP2010136270A | 2010-06-17 | |||
| JP5595578B1 | 2014-09-24 | |||
| JP2010021684A | 2010-01-28 | |||
| JP2003110458A | 2003-04-11 | |||
| JP2000308157A | 2000-11-02 |
Download PDF: