Title:
無線受信器
Document Type and Number:
Japanese Patent JP4309056
Kind Code:
B2
Abstract:
In a signal receiving apparatus as, for example, that used in the monitoring in a stolen vehicle transceiver of the presence of sequential transmitted signals specifically requesting that transceiver to respond to enable tracking the vehicle, wherein the receiver is powered by a consumable energy source of predetermined budgeted lifetime and adapted to operate between quiescent energy-saving and energized energy-consuming states for performing such sequential signal monitoring, desired signal identifying and related functions, a method of and apparatus for insuring the availability of energy to be able to perform such functions within said predetermined budgeted life time, that comprises, allocating budget time intervals for periodically operating the receiver intermittently in energized state to enable the performing of such functions as monitoring for such signals; and, in the event of inordinate energy consumption during such operation, that, if continued, would render the operation out of overall allocated time budget, adaptively skipping time intervals with the receiver quiescent, sufficiently to get the operation back on overall time budget.
Inventors:
Stapelfeld, Naval
Duncan
Upsel, Sheldon
Duncan
Upsel, Sheldon
Application Number:
JP2000550217A
Publication Date:
August 05, 2009
Filing Date:
March 29, 1999
Export Citation:
Assignee:
Lawjack Venture Corporation-Micrologic, Incorporated
International Classes:
H04B1/16; H04W52/02; H04W88/02
Foreign References:
| WO1997012475A1 | ||||
| EP0766215A1 | ||||
| EP0780989A1 | ||||
| GB2284728A |
Attorney, Agent or Firm:
Satoshi Furuya
Kaoru Furuya
Takahiko Mizobe
Kaoru Furuya
Takahiko Mizobe
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