Inquiry system for detecting a selected object
First Claim
1. An inquiry system for detecting a selected object, said inquiry system comprising controller means for transmitting a command signal including an address signal indicating the object to be selected, and answering means located on the selected object, said answering means including detector means for detecting the command signal and indicator means for providing an answer signal when said detector means detects the command signal, said answering means further including a power supply and power supply operation control means, said power supply operation control means operating said power supply in at least three modes of operation, each mode of operation having a different ratio of on-time to off-time, wherein said power supply operation control means selects the mode of operation based upon the frequency of selection of said selected object.
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Accused Products
Abstract
An inquiry system is provided for detecting the location of a selected object. The system comprises an answering device having its own identifying address which responds to a detecting command. An answering device is provided on each object to be selected. The detecting command is transmitted from a controller device which communicates with the answering devices through the use of an address.
99 Citations
16 Claims
- 1. An inquiry system for detecting a selected object, said inquiry system comprising controller means for transmitting a command signal including an address signal indicating the object to be selected, and answering means located on the selected object, said answering means including detector means for detecting the command signal and indicator means for providing an answer signal when said detector means detects the command signal, said answering means further including a power supply and power supply operation control means, said power supply operation control means operating said power supply in at least three modes of operation, each mode of operation having a different ratio of on-time to off-time, wherein said power supply operation control means selects the mode of operation based upon the frequency of selection of said selected object.
Specification