Transmission device
First Claim
Patent Images
1. A transmission device, comprising:
- N number of transmitting units for transmitting predetermined information by radio waves of identical frequency each time that a given time T elapses, whereineach of the transmitting units have;
an information storage component configured to store, from among preset numbers from 1 to N representing a transmission sequence, a numeric value N, as well as a numeric value unique to the unit, which is different from numeric values stored in other of the transmitting units;
a trigger value determining component configured to, when a value obtained by subtracting 1 from the numeric value unique to the unit is positive, store the subtraction result as a trigger value, or when the subtracted value is negative, store the value of N as a trigger value;
a receiver configured to receive radio waves of the frequency;
an at-startup transmitter configured to transmit the numeric value unique to the unit and the predetermined information when the numeric value unique to the unit is 1 at startup;
a detector configured to detect the numeric value from a radio wave signal received by the receiver;
a clock configured to clock time elapsed after the detected numeric value matches the trigger value; and
a transmitter configured to transmit the predetermined information and the numeric value unique to the unit when the elapsed time clocked by the clock matches a predetermined time t that is less than the given time T.
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Abstract
Numeric values “a” representing a respective order of transmission by a plurality of transmitting units, and a numeric value N representing the total number of transmitting units, are set for each of the transmitting units. At startup, a transmitting unit for which the value “a” representing the order of transmission of the unit has been set to 1 sets a trigger value to N and transmits information about the value “a” of the unit and detection information from a sensor, and, when the value N is detected from a received signal, transmits the value “a” of the unit and detection information. When a value of a−1 is detected from a received signal, the transmitting unit for which the value “a” representing the order of transmission of the unit has been set to other than 1 transmits the information of the value “a” of the unit and detection information.
12 Citations
8 Claims
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1. A transmission device, comprising:
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N number of transmitting units for transmitting predetermined information by radio waves of identical frequency each time that a given time T elapses, wherein each of the transmitting units have; an information storage component configured to store, from among preset numbers from 1 to N representing a transmission sequence, a numeric value N, as well as a numeric value unique to the unit, which is different from numeric values stored in other of the transmitting units; a trigger value determining component configured to, when a value obtained by subtracting 1 from the numeric value unique to the unit is positive, store the subtraction result as a trigger value, or when the subtracted value is negative, store the value of N as a trigger value; a receiver configured to receive radio waves of the frequency; an at-startup transmitter configured to transmit the numeric value unique to the unit and the predetermined information when the numeric value unique to the unit is 1 at startup; a detector configured to detect the numeric value from a radio wave signal received by the receiver; a clock configured to clock time elapsed after the detected numeric value matches the trigger value; and a transmitter configured to transmit the predetermined information and the numeric value unique to the unit when the elapsed time clocked by the clock matches a predetermined time t that is less than the given time T. - View Dependent Claims (2, 3, 4)
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5. A transmission device, comprising:
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N number of transmitting units for transmitting predetermined information by radio waves of identical frequency each time that a given time T elapses, wherein a single reference transmitting unit of the transmitting units has; an information storage component configured to store a value of 1, as a preset numeric value unique to the unit, the numeric value representing a transmission sequence; and a reference transmitting unit configured to transmit the predetermined information and the numeric value unique to the unit each time that the given time T elapses; and the transmitting units other than the reference transmitting unit have; an information storage component configured to store, from among preset numbers from 1 to N, the numeric value unique to the unit other than 1, the numeric value representing a transmission sequence and differing from numbers stored in other transmitting units; a factor determining component configured to store as a factor c a value obtained by subtracting 1 from the numeric value unique to the unit; a receiver configured to receive radio waves of the frequency; a detector configured to detect the numeric value from a signal of radio waves received by the receiver; a clock configured to clock time elapsed after the numeric value detected by the detector matches 1; and a transmitter configured to transmit the predetermined information when the elapsed time clocked by the clock matches a time obtained by multiplying, by the factor c, a predetermined time t shorter than the given time period T. - View Dependent Claims (6, 7, 8)
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Specification
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Current AssigneeYokohama Rubber Company Limited
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Original AssigneeYokohama Rubber Company Limited
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InventorsNakatani, Koji, Yamada, Shu, Sakakibara, Sigeki, Kaneko, Michito
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Primary Examiner(s)Milord, Marceau
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Application NumberUS13/884,532Publication NumberTime in Patent Office887 DaysField of Search455/80, 455/77, 455/101, 455/120, 455/124, 455/503, 455/81, 455/103US Class Current455/80CPC Class CodesG01D 3/10 with provision for switchin...G01L 19/086 for remote indicationH04B 1/3888 Arrangements for carrying o...H04B 7/24 for communication between t...
