JP2003195230A - Contact lens, probe for contact lens, searching method using the same and data management system for contact lens - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a contact lens capable of being easily searched at the time of being lost and enabling the acquisition of data relating to the lens itself or the user, and its probe, searching method and data management system. <P>SOLUTION: An IC chip 2 provided with a reception means receiving electromagnetic waves from the outside, a signal processing means executing a processing corresponding to the electromagnetic waves received in the reception means and a transmission means transmitting the electromagnetic waves including signals from the signal processing means to the outside is buried in the peripheral part of the contact lens 1. Searching is performed by using the probe exchanging the electromagnetic waves with the IC chip 2 and provided with a means for outputting alarm sound indicating discovery. The data are managed by using a data reader or a data reader-writer provided with a means for exchanging the data by the electromagnetic waves with the IC chip 2. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a contact lens, a contact lens search tool, and a search method using the same, which makes it easy to search for a lost lens and can obtain data on the lens itself or its user. It also relates to a contact lens data management system.

[0002]

2. Description of the Related Art (1) Contact lenses are small and transparent and cannot be easily found when they are dropped and lost.

(2) In Japanese Unexamined Patent Publication No. 5-297329 and Japanese Unexamined Utility Model Publication No. 6-68029, there has been proposed a method in which fine metal particles or magnetic powder are mixed in a contact lens and a magnetic searching tool is used for searching. At 188331,
A method of polarizing a contact lens and searching using polarized glasses has also been proposed, but both have a narrow search range, it takes time to find, and there is a high risk of stepping on until finding.

(3) In a spectacle store or the like that sells contact lenses, when retrieving customer data, it is necessary to search the database by the customer's name or the like, and one customer has a plurality of contact lenses. , I couldn't find out which lens was damaged.

(4) At an eyeglass store or the like that sells contact lenses, a customer history is necessary when dealing with a customer who visits the store. In the past, even a good customer could not promptly deal with the customer because the customer history was searched using the customer name, the telephone number, etc. as a key and then the customer was dealt with.

[0006]

As described above, when a contact lens is lost or damaged, there is an inconvenience for the user regarding the search for the contact lens and the data management thereof, and the provider has overlooked it. Is the reality.

In order to provide convenient services to users, the present invention has the following objectives: (1) to easily find a small and transparent contact lens that has been dropped and lost; (2)
The search method when dropped and lost can cover a wide range in a short time. (3) Even if the customer is not using the contact lens, the data of the contact lens in use and Instantly obtaining customer history, (4) In the case of a new customer who is not registered in the customer database, it is necessary to inquire to other stores that have purchased the lens, or to perform lens frequency inspection or optometry, Achieve the prevention of time-consuming response.

[0008]

In order to achieve the above object, according to the present invention, a receiving means for receiving an electromagnetic wave from the outside, a signal processing means for executing a process according to the electromagnetic wave received by the receiving means, I including at least a transmitting unit that transmits an electromagnetic wave including a signal from the signal processing unit to the outside
A contact lens with a C chip embedded is used.

This IC chip may be provided with a power supply means for extracting electric power for driving the chip itself from the received electromagnetic waves. Also, by embedding IC chips with different colors or surface treatments or IC chips with the letters “L” and “R” printed on their surfaces respectively into the left-eye lens and the right-eye lens, It is possible to prevent the wrong lens from being attached.

Further, if the IC chip is embedded in the position where the mark for displaying the mounting position of the astigmatism lens is attached or the mounting position of the weight for correcting the mounting position, the conventional mark or weight becomes unnecessary.

When a radio wave is used as the electromagnetic wave, a loop antenna element arranged along the outer circumference of the lens is included, or when light is used as the electromagnetic wave, the light emitting element forming the transmitting means is directed toward the outer circumference of the lens. If it is attached, it will be possible to efficiently communicate with the outside using radio waves or light.

As the signal processing means, when the electromagnetic wave received by the receiving means includes a search signal for searching the location of the lens, a response signal corresponding to the search signal is generated,
According to the device provided with the signal processing means for outputting this to the transmitting means, it becomes possible to search when the lens is lost.

Further, as the signal processing means, there is a storage section for storing the data in a non-rewritable manner, and when the electromagnetic wave received by the receiving means includes a data read signal, the data is read from the storage section and output to the transmitting means. When the electromagnetic wave received by the receiving means includes data as well as the data write signal, the electromagnetic wave received by the receiving means is written to the data processing means. When the data read signal is included, the data read from the storage unit and the signal processing unit for outputting the data to the transmission unit are provided, so that the data relating to the lens itself or the user thereof can be managed.

Further, the contact lens exploration tool generates a probing signal for exploring the location of the lens, a transmitting means for transmitting an electromagnetic wave containing an arbitrary signal to the outside, a receiving means for receiving the electromagnetic wave from the outside. Then, the search signal generating means for outputting this to the transmitting means, the response signal detecting means for detecting whether or not the electromagnetic wave received by the receiving means includes the response signal corresponding to the search signal, and detecting that the response signal is included And a signal output means for outputting an alarm by light or sound indicating that the location of the lens is found.

Further, the response signal detecting means for detecting whether the electromagnetic wave received by the receiving means includes a response signal corresponding to the exploration signal and its signal strength, and an alarm by light or sound indicating the discovery of the whereabouts of the lens are provided. It may be provided with a signal output means for changing and outputting the light amount, the hue, the volume, and the height according to the signal strength. The contact lens exploration tool may be provided in a portable contact lens storage case.

A lost contact lens can be easily searched for by using a contact lens provided with a signal processing means for outputting a response signal corresponding to the above-mentioned search signal and a contact lens search tool in combination.

The search signal is composed of a plurality of continuous signals that occur at regular intervals and have a predetermined duration shorter than the constant period, and the response signal corresponds to a pause period between the plurality of continuous signals. If it is made up of a plurality of signals that occur, it is possible to exchange search signals and response signals that are less affected by noise from the outside.

The contact lens data management system includes a contact lens in which at least identification data for identifying the lens is stored in the storage unit of the signal processing unit, a transmitting unit for transmitting an electromagnetic wave including an arbitrary signal to the outside, and an externally-transmitting unit. And a processing means for transmitting an electromagnetic wave containing a data read signal from the transmitting means based on a command from the host device and acquiring data from the receiving means receiving the electromagnetic wave containing data. A data reader, a database for storing unique data relating to the lens and customer data relating to a person who uses the lens in association with the identification data, and a database connected to the data reader and the database, and based on the identification data obtained by the data reader from the database. Search the corresponding unique data or customer data and It can consist to an execution terminal device.

Further, the contact lens data management system stores in the storage unit of the signal processing means the identification data capable of identifying the lens, the unique data relating to the lens, and the customer data relating to the person who uses the lens. A lens, a transmitting means for transmitting an electromagnetic wave including an arbitrary signal to the outside, a receiving means for receiving an electromagnetic wave from the outside,
A data reader provided with a processing means for transmitting an electromagnetic wave including a data read signal from the transmitting means based on an instruction from the host device and acquiring data from the receiving means that has received the electromagnetic wave including data, and is connected to the data reader. , A terminal device that executes various processes based on identification data or unique data or customer data acquired by a data reader.

Furthermore, the contact lens data management system includes a contact lens having a signal processing means having a storage section, a transmitting means for transmitting an electromagnetic wave including an arbitrary signal to the outside, and an electromagnetic wave from the outside. Processing means for transmitting an electromagnetic wave containing data or an electromagnetic wave containing a data read signal together with a data write signal from the transmitting means based on an instruction from the receiving means and the host device, and acquiring data from the receiving means that has received the electromagnetic wave containing data And a terminal device that is connected to the data reader / writer and that transmits / receives data to / from the contact lens via the data reader / writer and executes various processes. You can also

Here, the unique data is the manufacturer, model number,
The manufacturing data includes at least lens data such as lens number, and the customer data includes at least personal data such as name, address, and telephone number, and optometry data such as visual acuity, astigmatism degree, astigmatism angle, and optometry date. To do.

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION When a contact lens is dropped and lost, it is extremely difficult to find it because it is small and transparent. Therefore, a very small IC chip can be embedded in the contact lens, the contact lens can be searched for with a search tool, and the search can be performed quickly, and the customer data can be easily managed.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 shows an outline of the contact lens of the present invention. In the peripheral portion of the conventional contact lens 1, particularly in the case of an astigmatism lens, a mounting position display mark or a mounting position correction mark is used. An ultra-small IC chip 2 is embedded in the attachment position of the weight.

As will be described later, the IC chip 2 has a receiving means for receiving an electromagnetic wave from the outside, a signal processing means for executing processing according to the electromagnetic wave received by the receiving means, and a signal from the signal processing means. At least a transmitting means for transmitting an electromagnetic wave including the above to the outside is provided, but when a radio wave is used as the electromagnetic wave, as shown in FIG. 2, a loop antenna element 3 is arranged along the outer circumference of the lens.

Further, FIG. 3 shows an outline of an IC chip when light is used as an electromagnetic wave, in which the light receiving elements 4 constituting the receiving means are arranged on both sides of the wide surface of the chip, and light emission constituting the transmitting means. Element 5 is placed on the side of the chip,
The light emitting element 5 is embedded in the contact lens so as to face the outer peripheral direction of the contact lens 1.

When the IC chip 2 is embedded in the contact lens, the left eye lens and the right eye lens are respectively printed with IC chips having different colors or surface treatments or the letters "L" and "R" are printed on the respective surfaces. By embedding the IC chip, the user can easily identify the left-eye lens and the right-eye lens, and it is possible to prevent the left-eye lens and the right-eye lens from being mistakenly attached.

The IC chip 2 is, as described later,
A power supply unit for extracting electric power for driving the chip itself from the received electromagnetic wave may be provided.

The signal processing means of the IC chip 2 is a signal processing means corresponding to a lens search described later, that is, when the electromagnetic wave received by the receiving means includes a search signal for searching the location of the lens, A signal processing means for generating a response signal corresponding to the signal and outputting it to the transmitting means, or a signal processing means corresponding to the data management described later, that is, having a storage section for storing data in a non-rewritable manner, and receiving means When the received electromagnetic wave includes a data read signal, the electromagnetic wave received by the receiving means has a signal processing means for reading the data from the storage portion and outputting the data to the transmitting means, or a storage portion for rewritably storing the data. When data is included together with the data write signal, the data is written in the storage unit,
When the electromagnetic wave received by the receiving means includes a data read signal, signal processing means for reading the data from the storage section and outputting the data to the transmitting means, or both, is provided.

FIG. 4 shows an outline of the contact lens exploration tool of the present invention. Here, an example is shown in which radio waves are used as electromagnetic waves and the electromagnetic wave is provided in a portable contact lens storage case.

That is, the contact lens housing case / probe 11 is, in addition to the contact lens housing place 12, as will be described later, a transmitting means for transmitting an electromagnetic wave including an arbitrary signal to the outside and an electromagnetic wave from the outside. Receiving means to
A search signal generating means for generating a search signal for searching the location of the lens and outputting the search signal to the transmitting means, and a response for detecting whether the electromagnetic wave received by the receiving means includes a response signal corresponding to the search signal. It is provided with a signal detection means and a signal output means for outputting an alarm by light or sound indicating the presence of the lens when it is detected that the response signal is included, but here, a part of the transmission means and the reception means is provided. The antenna element 13 which is a speaker, the speaker 14 which is a part of the signal output means, and the driving battery 15 are shown.

When the contact lens is stored and carried, it is stored and carried in the contact lens storage case / search tool 11, and when lost, the antenna element 13 of the contact lens storage case / search tool 11 is set to a certain height. Keep searching for about 1 meter (about 1 meter) and search for the lost area.

FIG. 5 illustrates a search method using the search tool of FIG.

When the antenna element 13 of the contact lens housing case / searching tool 11 approaches the contact lens 1 in which the IC chip having the signal processing means corresponding to the lens search is embedded, the electric power is supplied from the antenna element 13. The radio wave of the combined search signal supplies electric power to the antenna element on the side of the contact lens 1, and the IC chip 2 which receives the electric power recognizes the search signal received by the antenna element and responds to the search signal. The radio wave of is transmitted from the antenna element.

Contact lens storage case and probe 11
Receives the radio wave of the response signal transmitted from the contact lens 1 and outputs the magnitude of the radio wave in response to the distance from the contact lens 1 from the speaker 14 as the volume of the alarm and is lost as described later. The contact lens 1 can be easily found.

FIG. 6 shows an outline of the exploration tool when light is used as an electromagnetic wave and is provided in a portable contact lens storage case.

That is, the contact lens storage case / exploration tool 21 is, in addition to the contact lens storage location 22, as will be described later, a transmission means for transmitting an electromagnetic wave including an arbitrary signal to the outside and an electromagnetic wave from the outside. Receiving means to
A search signal generating means for generating a search signal for searching the location of the lens and outputting the search signal to the transmitting means, and a response for detecting whether the electromagnetic wave received by the receiving means includes a response signal corresponding to the search signal. It is provided with a signal detection means and a signal output means for outputting an alarm by light or sound indicating the presence of the lens when it is detected that the response signal is included. Here, the light emitting element 23 constituting the transmission means is provided.
2, a light receiving element 24 which constitutes a receiving means, a speaker 25 which is a part of the signal outputting means, and a driving battery 26.

When the contact lens is stored and carried, it is stored in the contact lens storage case / search tool 21 and stored and carried, and when lost, the contact lens storage case / search tool 21 is used for searching.

FIG. 7 illustrates a search method using the search tool of FIG.

Contact lens storage case and exploration tool 21
While keeping the light emitting element 23 and the light receiving element 24 at a certain height (about 1 meter), a search is made for a lost area, and when the contact lens 1 is approached, the alarm volume is notified.

FIG. 8 shows the relationship between the light from the search signal (search light) and the light from the response signal (response light).

In order not to be influenced by reflected light from a mirror or the like, power source frequency or light of the living environment, a cycle of a single frequency of 300 hertz or more, which is the fifth harmonic of the power source frequency of 60 cycles, or a plurality of cycles. Probing light is emitted in a cycle in which frequencies are combined or in an irregular cycle, and a flashing probe light is emitted in a pause time shorter than the light emission time.

The response light is emitted from the IC chip 2 embedded in the contact lens 1 in response to the light emission time and the rest time of the search light, and the contact lens storage case / search tool 21 is also provided.
However, the response light obtained by synchronous detection in synchronization with the dwell time of the search light is detected and output to the speaker 25 according to the magnitude of the signal intensity, so that the contact lens 1 can be easily found.

FIG. 9 shows an example of the alarm sound. The figure (a) is a method of notifying the distance of the contact lens by the amplitude change of the continuous sound, and the figure (b) is a method of notifying the distance to the contact lens by the wave number of the tone burst of the tone burst waveform. (C) of the figure shows a method of notifying the distance to the contact lens by the pulse density. Any of the methods (a), (b), and (c) can be used.

FIG. 10 shows an outline of the contact lens data management system of the present invention.

The present system comprises a data reader 31, a data reader / writer 32, a database (DB) server 33, and a PC terminal (terminal device) 34, and the data reader 31 and the data reader / writer 32 together with them. It is installed in a spectacle store that sells contact lenses together with the PC terminal 34 to be connected. The DB server 33 is usually installed as a host system and connected to the PC terminal 34 via a network (Internet or the like), but it may be a storage device or the like directly connected to the PC terminal 34.

The data reader 31 is for reading data from the contact lens 1 in which the IC chip having the signal processing means corresponding to the data management is embedded, particularly the contact lens 1 in which the customer is wearing the contact lens 1. As will be described later, a transmitting means for transmitting an electromagnetic wave containing an arbitrary signal to the outside, a receiving means for receiving an electromagnetic wave from the outside, and an electromagnetic wave containing a data read signal from the transmitting means based on a command from a host device. And processing means for acquiring data from the receiving means that has received the electromagnetic wave containing the data.

The data reader / writer 32 performs data reading and data writing (data transmission / reception) with the contact lens 1 in which the IC chip having the signal processing means corresponding to data management is embedded. Writing is only for the case where the signal processing means has a storage section for rewritably storing data), and transmits an electromagnetic wave containing an arbitrary signal to the outside of the contact lens storage space 35 as described later. Based on an instruction from a host device, a transmitting means for receiving an electromagnetic wave from the outside, and a command from a host device, the transmitting means transmits an electromagnetic wave containing data or an electromagnetic wave containing a data read signal together with a data write signal, and an electromagnetic wave containing data And a processing means for acquiring data from the receiving means that has received the data. Shows Tarida / writer unit 36.

The DB server 33 stores identification data capable of identifying a contact lens, unique data regarding the lens, and customer data regarding a person who uses the lens in association with each other.

Here, as the unique data, the manufacturer, model number, manufacturing number, manufacturing date, manufacturing factory, person in charge of manufacturing,
In addition to the lens data such as the inspector, the lens power (X), the lens power (Y), and the axis angle, there are identification information for the left eye or the right eye, the purchase date, and the like. The customer data includes personal data such as name, address, and telephone number, visual acuity, astigmatism degree, astigmatism angle, optometry date, optometry shop, optometry staff, and the like. As the identification data, in addition to the individual identification number (code) given in advance to the IC chip itself embedded in the lens, a part of the unique data of the lens, for example, the model number,
A manufacturing number or the like may be used.

The PC terminal 34 is an IC for contact lenses.
The data read by the data reader 31 or the data reader / writer 32 from the chip is displayed as it is, or the data acquired from the DB server 33 based on the data is displayed on the display screen, and the data is input as necessary. Is executed, or various processes such as writing data to the IC chip via the data reader / writer 32 are executed.

In this system, the contact lens 1
When only the identification data is stored in the IC chip of the customer, the identification data of the contact lens 1 worn by the customer is read by the data reader 31 without hearing the name from the customer, and the identification data is keyed by the PC terminal 34. As DB
By searching the server 33, acquiring the unique data and the customer data, and displaying them on the display screen of the PC terminal 34, it is possible to smoothly deal with the customer. In this way, when only the identification data is stored in the storage unit of the IC chip and writing of other data is not necessary, the storage unit of the IC chip may store the data in a non-rewritable manner.

Further, in the present system, when the IC chip of the contact lens 1 stores the unique data and the customer data together with the identification data, the contact lens worn by the customer by the data reader 31 is not heard from the customer. By reading the identification data No. 1, unique data and customer data and displaying them on the display screen of the PC terminal 34, it is possible to smoothly deal with the customer. In this case, the DB server 33 is not always necessary, and the unique data and the customer data can be obtained even in an eyeglass store having a PC terminal 34 that is not connected to the DB server 33.

Further, in the present system, if the contact lens 1 received from the customer or the contact lens 1 to be newly sold is stored in the storage place 35 of the data reader / writer 32, the contact lens 1 and the data reader / writer unit 36 are connected to each other. It is possible to read identification data, unique data and customer data, or write unique data and customer data.

The specific configuration of each of the above-mentioned devices will be described below.

FIG. 11 shows an example of an IC chip when light is used as an electromagnetic wave. In the figure, 4 is a light receiving element (however, only one is shown here), 5 is a light emitting element, 41
Is a backflow prevention circuit, 42 is a capacitor or rechargeable battery, and 43 is a response light control circuit.

The backflow prevention circuit 41 and the capacitor or rechargeable battery 42 constitute a power source means for extracting direct current power for driving the chip itself from the received light. The power source is taken out from the light receiving element 4 which receives the search light, It is supplied to the response light control circuit 43. The response light control circuit 43 constitutes a signal processing means corresponding to the lens search, and the light receiving element 4 is connected to the input terminal thereof, and the light emitting element 5 is connected to the output terminal thereof.

FIG. 12 shows a detailed structure of the response light control circuit. Here, the search light and the response light described in FIG.
That is, the search light (search signal) is composed of a plurality of continuous lights (signals) that occur at regular intervals and have a predetermined duration shorter than the constant cycle, and the response light (response signal) is the plurality of continuous lights. The circuit corresponding to the case where it consists of a plurality of lights (signals) generated corresponding to a pause period between (signals) is shown.

In FIG. 12, 43-1 and 43-2 are timers, 43-3 is a light emitting element output control circuit, and the time from the exploration light emission stop shown in FIG. 13 to the response light emission start by the timer 43-1. Set t1 (seconds), timer 43-
2, the response light emission (duration) time t2 shown in FIG.
(Second) is set, and the light emitting element output control circuit 43-3 drives the light emitting element 5 to transmit response light for the set time.

FIG. 14 shows an example of an IC chip when radio waves are used as electromagnetic waves. In the figure, 2 is an antenna element, 51 is a matching and resonance circuit, 52 is a transmission circuit, and 53.
Is a rectifier circuit, 54 is a backflow prevention circuit, 55 is a capacitor or rechargeable battery, and 56 is a response radio wave control circuit.

The matching and resonance circuit 51 is used for the antenna element 2
Together with the transmitting means and the receiving means, the transmitting circuit 52
Together with the antenna element 2 and the matching and resonance circuit 51 constitute a transmitting means. Rectifier circuit 53, backflow prevention circuit 54
The capacitor or rechargeable battery 55 constitutes a power supply means for extracting DC power for driving the chip itself from the radio wave received via the antenna element 2 and the matching and resonance circuit 51. The power source is taken out from the transmission circuit 52 and the response radio wave control circuit 56.
Supply to. The response radio wave control circuit 56 constitutes a signal processing means corresponding to the lens search, and the rectification circuit 53 is connected to the input terminal thereof and the transmission circuit 52 is connected to the output terminal thereof.

FIG. 15 shows the detailed structure of the response radio wave control circuit. Here, a circuit corresponding to the probe radio wave and the response radio wave similar to the probe light and the response light described above is shown.

In FIG. 15, 56-1 and 56-2 are timers, 56-3 is a transmission control circuit, and the timer 56-1
16 sets the time t1 (seconds) from the exploration radio wave transmission suspension to the start of the response radio wave transmission shown in FIG. 16, and the response radio wave transmission (sustained) time t2 (seconds) shown in FIG. 16 is set by the timer 56-2.
And the transmission control circuit 56-3 for this set time.
The oscillator circuit 52 is driven by the
A response radio wave is transmitted via the antenna element 2.

FIG. 17 shows an example of an exploration tool when light is used as an electromagnetic wave. In the figure, 23 is a light emitting element and 2 is a light emitting element.
4 is a light receiving element, 25 is a speaker, 26 is a battery, 61 is an exploration light output circuit, 62 is a response light detection circuit, and 63 is a speaker drive circuit.

The search light output circuit 61 generates a search signal for searching the whereabouts of the lens, outputs it to the light emitting element 23, and transmits the search light. The response light detection circuit 62 is
Whether the response light received by the light receiving element 24 includes a response signal corresponding to the search signal and the signal intensity thereof is detected. When the response light detection circuit 62 detects that the response light detection circuit 62 includes a response signal, the speaker drive circuit 63 causes the speaker 25 to output the alarm sound as described with reference to FIG. .

FIG. 18 shows the detailed structure of the exploration light output circuit. Here, a circuit corresponding to the exploration light and the response light described in FIG. 13 is shown.

In FIG. 18, 61-1 is a Ta cycle transmission circuit, 61-2 is a Tb timer, 61-3 is an output control circuit, and the Ta cycle transmission circuit 61-1 is used to generate the exploration light generation cycle Ta shown in FIG. (Seconds), Tb timer 61-
2, the exploration light emission (duration) time Tb shown in FIG.
(Second) is set, and the output control circuit 6 is set for this set time.
1 to 3, the light emitting element 23 is driven to transmit the search light. The output of the Tb timer 61-2 is also output to the response light detection circuit 62.

FIG. 19 shows the detailed structure of the response light detection circuit. In the figure, 62-1 is an amplification circuit, 62-2 is a synchronous detection circuit, 62-3 is a signal strength extraction circuit, 62-4, 6
2-5 is a timer.

The amplifier circuit 62-1 is configured so that the light receiving element 24 outputs light.
Amplify the electrically converted response light (response signal). The synchronous detection circuit 62-2 outputs the response signal after amplification to the timer 62-5.
Synchronous detection is performed with the output of. The signal strength extraction circuit 62-3 is
The strength of the signal that is synchronously detected is extracted. Timer 62-
Reference numerals 4 and 62-5 are circuits similar to the timers 43-1 and 43-2, and send a signal synchronized with the response signal to the synchronous detection circuit 62-2 based on the signal from the exploration light output circuit 61.

FIG. 20 shows an example of a detailed configuration of the speaker driving circuit, and here, an example of generating the alarm sound shown in FIG. 9A is shown. That is, in the figure, 63-1 is an amplification circuit, 63-2 is an audio transmission circuit, 63-3 is an electronic volume circuit, and 63-4 is an output amplification circuit.

The amplifier circuit 63-1 amplifies the signal indicating the strength of the response signal according to the level of the electronic volume circuit of the next stage. The audio transmission circuit 63-2 generates an alarm sound signal in the audio signal band. Electronic volume circuit 6
3-3 controls the alarm sound signal based on the signal from the amplifier circuit 63-1. The output amplifier circuit 63-4 amplifies the signal from the electronic volume circuit 63-3 to amplify the signal from the speaker 2
Drive 5

FIG. 21 shows another example of the detailed configuration of the speaker drive circuit, and here, an example of generating the alarm sound shown in FIG. 9B is shown. That is, in the figure, 63-1 is an amplification circuit, 63-2 is an audio transmission circuit, 63-4 is an output amplification circuit, 64-1 is an ADC circuit, 64-2 is a counter circuit, 64-3 is a matching circuit, 64. -4 is an OR circuit, 6
Reference numeral 4-5 is a Set / reset circuit, and 64-6 is a signal on / off control circuit.

The ADC 64-1 converts the output signal of the amplifier circuit 63-1 into a digital signal. Counter circuit 64-
2 counts the output signal from the audio transmission circuit 63-2. The matching circuit 64-3 compares the output of the ADC 64-1 with the output of the counter circuit 64-2, and outputs a signal when they match. The OR circuit 64-4 outputs the START signal and the carry-out OR signal of the counter circuit 64-2. The Set / reset circuit 64-5 is set by the output of the OR circuit 64-4 and reset by the output of the coincidence circuit 64-3. Signal on / off control circuit 64-6
Controls ON / OFF of the alarm sound signal from the audio transmission circuit 63-2 by the signal from the Set / reset circuit 64-5.

FIG. 22 shows still another example of the detailed configuration of the speaker drive circuit. Here, an example of generating the alarm sound shown in FIG. 9C is shown. That is, in the figure, 63-
1 is an amplifier circuit, 63-4 is an output amplifier circuit, and 65-1 is V
The F circuit, 65-2, is a one-shot multivibrator.

The VF circuit 65-1 outputs a signal having a frequency corresponding to the output signal level of the amplifier circuit 63-1. The one-shot multivibrator 65-2 includes the VF circuit 6
A one-shot pulse is output based on the signal from 5-1.

FIG. 23 shows an example of an exploration tool when radio waves are used as electromagnetic waves. In the figure, 13 is an antenna element, 14 is a speaker, 15 is a battery, 71 is a matching and resonance circuit, and 72 is a switching circuit. , 73 is an exploration radio wave transmission circuit, 74
Is a response radio wave receiving circuit, and 75 is a speaker driving circuit.

The matching and resonance circuit 71 is used for the antenna element 1
3, and constitutes a transmitting means and a receiving means, and a switching circuit 7
Reference numeral 2 switches between transmission and reception of radio waves according to the signal from the search radio wave transmission circuit 73. Search radio wave transmission circuit 73
Generates a probe signal to search for the whereabouts of the lens,
This is output to the antenna element 13 via the switching circuit 72 and the matching and resonance circuit 71 to transmit the search radio wave. The response radio wave receiving circuit 74 detects whether the signal received by the antenna element 13 and input through the matching and resonance circuit 71 and the switching circuit 72 includes the response signal corresponding to the search signal and the signal strength thereof. Speaker drive circuit 7
When the response electric wave reception circuit 74 detects that the response electric wave reception circuit 74 contains a response signal, the speaker 5 outputs the alarm sound as described with reference to FIG. 9 indicating the presence of the lens from the speaker 14 according to the signal strength.

FIG. 24 shows the detailed structure of the exploration radio wave transmission circuit. Here, a circuit corresponding to the exploration radio wave and the response radio wave explained in FIG. 16 is shown.

In FIG. 24, 73-1 is a Ta cycle transmission circuit, 73-2 is a Tb timer, and 73-3 is a transmission and output control circuit.
6 sets the search radio wave generation cycle Ta (second), sets the search radio wave (sustained) time Tb (second) shown in FIG. 16 by the Tb timer 73-2, and sets the set time, transmission and output control circuit. 73-3 generates an exploration signal, and the antenna element 1 passes through the switching circuit 72 and the matching and resonance circuit 71.
3 sends an exploration radio wave. The Tb timer 73-2
Is also output to the switching circuit 72 and the response radio wave receiving circuit 74.

FIG. 25 shows a detailed structure of the response radio wave receiving circuit. In the figure, 74-1 is a band amplifier, 74-2 is a synchronous detection circuit, 74-3 is a signal strength extraction circuit, and 74-
4, 74-5 are timers.

The band amplifier 74-1 includes the antenna element 13
Among the signals received by and input through the matching and resonance circuit 71 and the switching circuit 72, the signal in the band corresponding to the response signal is amplified. The synchronous detection circuit 74-2 synchronously detects the amplified response signal with the output of the timer 74-5. The signal strength extraction circuit 74-3 extracts the strength of the synchronously detected signal. The timers 74-4 and 74-5 are timers 56-1 and
It is a circuit similar to 56-2 and sends a signal synchronized with the response signal based on the signal from the search radio wave transmission circuit 73 to the synchronous detection circuit 74-2.

FIG. 26 shows another example of an IC chip in the case of using light as an electromagnetic wave, in this example, an example in which a response light control circuit is replaced with a data read / write circuit which constitutes a signal processing means corresponding to data management. In the figure, the same components as those in FIG. 11 are represented by the same reference numerals. Reference numeral 44 is a data read / write circuit. The light receiving element 4 is connected to its input terminal and the light emitting element 5 is connected to its output terminal. Needless to say, an IC chip compatible with both lens search and data management can be configured by providing a response light control circuit and a data read / write circuit together.

FIG. 27 shows a detailed structure of the data read / write circuit. In the figure, 44-1 is an input signal processing circuit, 44-2 is a light emitting element drive processing circuit, 44-3 is a data PROM, 44-. 4 is a CPU.

The input signal processing circuit 44-1 includes the light receiving element 4
Then, the received signal photoelectrically converted is converted into a signal (unipolar digital signal) that can be processed by the CPU. The light emitting element drive processing circuit 44-2 drives the light emitting element 5 with a signal from the CPU 44-4. The data PROM 44-3 stores identification data capable of identifying the lens or unique data relating to the lens or customer data relating to a person who uses the lens. The CPU 44-4 is a data PROM based on the signal input from the input signal processing circuit 44-1.
Data reading / writing with respect to 44-3 and signal output to the light emitting element drive processing circuit 44-2 are performed.

FIG. 28 shows another example of an IC chip when a radio wave is used as an electromagnetic wave, in this case, an example provided with a data read / write circuit constituting a signal processing means corresponding to data management, instead of the response radio wave control circuit. In the figure, the same components as those in FIG. 14 are represented by the same reference numerals. 5
A data read / write circuit 7 has a rectifier circuit 53 connected to its input terminal and a transmission circuit 52 connected to its output terminal. Needless to say, an IC chip compatible with both lens search and data management can be configured by providing a response radio wave control circuit and a data read / write circuit.

FIG. 29 shows a detailed structure of the data read / write circuit. In the figure, 57-1 is an input signal processing circuit, 57-2 is a transmission signal drive processing circuit, 57-3 is a data PROM, 57-. 4 is a CPU.

The input signal processing circuit 57-1 receives the signal at the antenna element 2, and receives the matching and resonance circuit 51 and the rectifying circuit 53.
The received signal input via the is converted into a signal (unipolar digital signal) that can be processed by the CPU. The transmission signal drive processing circuit 57-2 drives the transmission circuit 52 with a signal from the CPU 57-4. The data PROM 57-3 stores identification data capable of identifying the lens or unique data relating to the lens or customer data relating to a person who uses the lens. The CPU 57-4 uses the data PROM 5 based on the signal input from the input signal processing circuit 57-1.
Data reading / writing for 7-3 and signal output to the transmission signal drive processing circuit 57-2 are performed.

The data PROMs 44-3 and 57-
3, PROM when rewritable data is stored
Besides, EPROM, EEPROM, NVRAM, flash ROM and the like may be used.

FIG. 30 shows an example of a data reader when light is used as an electromagnetic wave. In the figure, 81 is a light emitting element, 82 is a light receiving element, 83 is a data read processing circuit, 8
4 is a PC interface circuit, 85 is a PC interface and power supply cable, 86 is a reflector / focuser, and 87 is a stand.

The light emitting element 81 constitutes a transmitting means for transmitting an electromagnetic wave containing an arbitrary signal, here a signal light containing a data read signal, to the outside. The light receiving element 82 constitutes a receiving means for receiving an electromagnetic wave from the outside, here, a signal light containing data. The data read processing circuit 83 uses the light emitting element 8 based on a command from a host device, here a PC terminal.
A processing unit for transmitting signal light including a data read signal from No. 1 and acquiring data from the light receiving element 82 that has received the signal light including data is configured.

The PC interface circuit 84 is a circuit for interfacing with a PC terminal, and the PC interface and power supply cable 85 is for connecting with a PC terminal. The reflector / focuser 86 is for narrowing the range of signal light to be transmitted and received to a certain range.

FIG. 31 shows an example of a data reader when radio waves are used as electromagnetic waves. In the figure, 91 is an antenna element, 92 is a data read processing circuit, 93 is a PC interface circuit, and 94 is a PC interface and power supply. Supply cable, 95 is a reflector / focuser, and 96 is a stand.

The antenna element 91 is a transmitting means for transmitting an electromagnetic wave containing an arbitrary signal, here a signal radio wave containing a data read signal to the outside, and a receiving means for receiving an electromagnetic wave from the outside, here a signal radio wave containing data. Make up. The data read processing circuit 92 constitutes processing means for transmitting a signal radio wave including a data read signal via the antenna element 91 and acquiring data from the received signal radio wave based on a command from a host device, here a PC terminal. To do.

The PC interface circuit 93 is a circuit for interfacing with a PC terminal, and the PC interface and power supply cable 94 is for connecting with a PC terminal. The reflector / convergence device 95 is for limiting the range of signal radio waves to be transmitted and received to a fixed range.

FIG. 32 shows an example of a data reader / writer. In the figure, 101 and 102 are storage places for left and right eye contact lenses, and 103 and 104 are left and right eye contact lenses. Data reader / writer unit 105, 106
Is a signal processor for the left and right eyes, 107 is a data reader / writer processing circuit, 108 is a PC interface circuit, 109 is a PC interface and power supply cable, 111 and 112 are contact lenses for the left and right eyes Is.

The data reader / writer units 103 and 104 for the left and right eyes are the signal processors 10 for the left and right eyes.
5, 106 constitute a transmitting means for transmitting an electromagnetic wave of light or radio wave including an arbitrary signal to the outside and a receiving means for receiving an electromagnetic wave of light or radio wave from the outside.

The data reader / writer processing circuit 107
Data reader / writer units 103 and 104 for the left and right eyes based on a command from a host device, here a PC terminal.
Also, through the signal processors 105 and 106 for the left eye and the right eye, an electromagnetic wave of light or radio waves containing data together with a data write signal or an electromagnetic wave of light or radio waves including a data read signal is transmitted, and received light or It constitutes a processing means for acquiring data from electromagnetic waves by radio waves.
The PC interface circuit 108 is a circuit for interfacing with a PC terminal, and the PC interface and power supply cable 109 is for connecting with a PC terminal.

When the customer exchanges data with the mounted contact lens by electromagnetic waves such as light or radio waves, the customer's eyes are also exposed to the electromagnetic waves. Therefore, the power of light or radio waves from the data reader is used. Should be such that it does not affect the health of the customer. on the other hand,
Since a large amount of electric power is required to write data into the EE-PROM or the like, the contact lens removed from the customer's eye is stored in the storage place of the data reader / writer.

[0099]

As described above, according to the present invention,
The following effects can be obtained.

(1) The position of a lost contact lens can be accurately grasped and discovered.

(2) At a spectacle store or the like, the data of the contact lens in use and the customer history can be instantly grasped, and the customer can be handled smoothly.

(3) When searching for customer data, it was necessary to search the database by name, etc.
By using the card operating principle, customer data can be grasped instantly.

(4) The user can easily distinguish the left-eye lens and the right-eye lens, and it is possible to prevent the left-eye lens and the right-eye lens from being mistakenly attached.

[Brief description of drawings]

FIG. 1 is a structural diagram showing an outline of a contact lens of the present invention.

FIG. 2 is a structural diagram showing an outline of a contact lens when radio waves are used as electromagnetic waves.

FIG. 3 is a structural diagram showing an outline of an IC chip when light is used as an electromagnetic wave.

FIG. 4 is a structural diagram showing an outline of a radio wave contact lens probe of the present invention.

5 is an explanatory diagram showing an outline of a search method using the probe shown in FIG.

FIG. 6 is a structural diagram showing an outline of a tool for probing a contact lens by light according to the present invention.

FIG. 7 is an explanatory diagram showing an outline of a search method using the exploration tool of FIG.

FIG. 8 is an explanatory diagram showing a relationship between exploration light and response light.

FIG. 9 is an explanatory diagram showing an example of an alarm sound.

FIG. 10 is an explanatory diagram showing an outline of a contact lens data management system of the present invention.

FIG. 11 is a configuration diagram showing an example of an IC chip when light is used as an electromagnetic wave.

FIG. 12 is a detailed configuration diagram of a response light control circuit.

FIG. 13 is an explanatory diagram showing details of the relationship between exploration light and response light.

FIG. 14 is a configuration diagram showing an example of an IC chip when radio waves are used as electromagnetic waves.

FIG. 15 is a detailed configuration diagram of a response radio wave control circuit.

FIG. 16 is an explanatory diagram showing the details of the relationship between exploration radio waves and response radio waves.

FIG. 17 is a configuration diagram showing an example of an exploration tool when light is used as an electromagnetic wave.

FIG. 18 is a detailed configuration diagram of an exploration light output circuit.

FIG. 19 is a detailed configuration diagram of a response light detection circuit.

FIG. 20 is a detailed configuration diagram of a speaker drive circuit.

FIG. 21 is a detailed configuration diagram of a speaker drive circuit.

FIG. 22 is a detailed configuration diagram of a speaker drive circuit.

FIG. 23 is a configuration diagram showing an example of an exploration tool when radio waves are used as electromagnetic waves.

FIG. 24 is a detailed configuration diagram of an exploration radio wave transmission circuit.

FIG. 25 is a detailed configuration diagram of a response radio wave reception circuit.

FIG. 26 is a configuration diagram showing another example of an IC chip when light is used as an electromagnetic wave.

FIG. 27 is a detailed configuration diagram of a data read / write circuit.

FIG. 28 is a configuration diagram showing another example of an IC chip when radio waves are used as electromagnetic waves.

FIG. 29 is a detailed configuration of a data read / write circuit.

FIG. 30 is a configuration diagram showing an example of a data reader when light is used as an electromagnetic wave.

FIG. 31 is a configuration diagram showing an example of a data reader when radio waves are used as electromagnetic waves.

FIG. 32 is a configuration diagram showing an example of a data reader / writer.

[Explanation of symbols]

1, 111, 112: contact lens, 2: IC chip, 3, 13, 91: antenna element, 4, 24, 82:
Light receiving element, 5, 23, 81: Light emitting element, 11, 21: Contact lens storage case and searching tool, 12, 22, 3
5, 101, 102: storage place for contact lenses, 1
4, 25: speaker, 15, 26: battery, 31: data reader, 32: data reader / writer, 33: DB server, 34: PC terminal, 36, 103, 104: data reader / writer unit, 41, 54: Backflow prevention circuit, 42, 5
5: capacitor or rechargeable battery, 43: response light control circuit, 4
3-1, 43-2, 56-1, 56-2, 62-4, 6
2-5, 74-4, 74-5: Timer, 43-3: Light emitting element output control circuit, 44, 57: Data read / write circuit, 44-1, 57-1: Input signal processing circuit, 44-
2: light emitting element drive processing circuit, 44-3, 57-3: data PROM, 44-4, 57-4: CPU, 51, 7
1: matching and resonance circuit, 52: transmission circuit, 53: rectification circuit, 56: response radio wave control circuit, 56-3: transmission control circuit, 57-2: transmission signal drive processing circuit, 61: exploration light output circuit, 61 -1, 73-1: Ta cycle transmission circuit, 61
-2, 73-2: Tb timer, 61-3: output control circuit, 62: response light detection circuit, 62-1, 63-1: amplification circuit, 62-2, 74-2: synchronous detection circuit, 62- Three
74-3: signal strength extraction circuit, 63, 75: speaker drive circuit, 63-2: audio transmission circuit, 63-3: electronic volume circuit, 63-4: output amplification circuit, 64-
1: ADC circuit, 64-2: Counter circuit, 64-3:
Matching circuit, 64-4: OR circuit, 64-5: Set / r
reset circuit, 64-6: signal on / off control circuit, 65
-1: VF circuit, 65-2: one-shot multivibrator, 72: switching circuit, 73: exploration radio wave transmission circuit, 7
3-3: Transmission and output control circuit, 74: Response radio wave receiving circuit, 74-1: Band amplifier, 83, 92: Data read processing circuit, 84, 93, 108: PC interface circuit, 85, 94, 109: PC Interface and power supply cables, 86, 95: reflector / convergence unit, 87, 9
6: stand, 105, 106: signal processor, 107:
Data reader / writer processing circuit.

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Manabu Yajima             2-3-1, Otemachi, Chiyoda-ku, Tokyo             Inside Telegraph and Telephone Corporation F-term (reference) 2H006 BC00 CA00 DA00

Claims (20)

[Claims] 1. A receiving means for receiving an electromagnetic wave from the outside, a signal processing means for executing a process according to the electromagnetic wave received by the receiving means, and an electromagnetic wave including a signal from the signal processing means to the outside. I with at least transmission means
A contact lens featuring a C chip embedded. 2. The contact lens according to claim 1, wherein the IC chip is provided with a power source means for extracting electric power for driving the chip itself from the received electromagnetic waves. 3. The left-eye lens and the right-eye lens each have an IC chip with a different color or surface treatment, or an IC having characters "L" and "R" printed on the surface thereof, respectively.
A chip is embedded, and the chip is embedded.
Contact lens described. 4. The contact lens according to claim 1, wherein an IC chip is embedded at a position where a mark for displaying a mounting position of the astigmatic lens or a mounting position of a weight for correcting the mounting position is embedded. . 5. The contact lens according to claim 1, further comprising a loop-shaped antenna element arranged along the outer circumference of the lens when a radio wave is used as the electromagnetic wave. 6. The contact lens according to claim 1, wherein when light is used as an electromagnetic wave, the light emitting element forming the transmitting means is attached toward the outer peripheral direction of the lens. 7. A signal processing means for generating a response signal corresponding to the search signal when the electromagnetic wave received by the receiving means includes the search signal for searching the location of the lens and outputting the response signal to the transmitting means. The contact lens according to any one of claims 1 to 6, wherein 8. A signal processing means for reading data from the storage portion and outputting the data to the transmission means when the electromagnetic wave received by the receiving means includes a data read signal, the storage portion storing the data in a non-rewritable manner. The contact lens according to claim 1, wherein the contact lens is provided. 9. The electromagnetic wave received by the receiving unit has a storage unit for rewritably storing data, and when the electromagnetic wave received by the receiving unit includes data together with a data write signal, the electromagnetic wave received by the receiving unit is data. When including read signal,
7. The contact lens according to claim 1, further comprising a signal processing unit that reads out data from the storage unit and outputs the data to the transmission unit. 10. A transmitting means for transmitting an electromagnetic wave containing an arbitrary signal to the outside, a receiving means for receiving an electromagnetic wave from the outside, and a search signal for searching the location of the lens,
Search signal generating means for outputting this to the transmitting means, response signal detecting means for detecting whether or not the electromagnetic wave received by the receiving means includes a response signal corresponding to the search signal, and when it is detected that the response signal is included. And a signal output means for outputting an alarm by light or sound indicating that the location of the lens is found, and a probe for a contact lens. 11. A response signal detecting means for detecting whether the electromagnetic wave received by the receiving means includes a response signal corresponding to the exploration signal and its signal strength, and an alarm by light or sound indicating that the location of the lens is found. The contact lens exploration tool according to claim 10, further comprising a signal output unit that changes and outputs the light amount, the hue, the volume, and the height according to the signal intensity. 12. The contact lens exploration tool according to claim 10, which is provided in a portable contact lens storage case. 13. A contact lens according to claim 7,
A method for searching a contact lens, which is used in combination with the probe for a contact lens according to claim 10. 14. The probe signal comprises a plurality of continuous signals that occur at regular intervals and have a predetermined duration shorter than the constant period, and the response signal corresponds to a pause period between the continuous signals. 14. The method for searching a contact lens according to claim 13, wherein the method comprises a plurality of signals generated by 15. The contact lens according to claim 8 or 9, which stores at least identification data capable of identifying a lens, and a transmitting means for transmitting an electromagnetic wave including an arbitrary signal to the outside.
A receiving unit that receives an electromagnetic wave from the outside, and a processing unit that causes the transmitting unit to transmit an electromagnetic wave including a data read signal based on a command from a higher-level device and that receives the electromagnetic wave including data from the receiving unit. Based on the identification data acquired by the data reader, a data reader provided, a database that stores unique data about the lens and customer data about a person who uses the lens in association with the identification data, and the data reader and the database are connected. A data management system for a contact lens, comprising: a terminal device that retrieves corresponding unique data or customer data from a database and executes various processes. 16. The contact lens according to claim 8 or 9, which stores identification data capable of identifying a lens, unique data regarding the lens, and customer data regarding a person who uses the lens, and an arbitrary signal. A transmission means for transmitting electromagnetic waves to the outside,
A receiving unit that receives an electromagnetic wave from the outside, and a processing unit that causes the transmitting unit to transmit an electromagnetic wave including a data read signal based on a command from a higher-level device and that receives the electromagnetic wave including data from the receiving unit. Based on the provided data reader and the data reader connected to the data reader, based on the identification data or unique data or customer data,
A contact lens data management system comprising: a terminal device that executes various processes. 17. The contact lens according to claim 9, and a transmitting means for transmitting an electromagnetic wave containing an arbitrary signal to the outside.
Receiving means for receiving an electromagnetic wave from the outside, and receiving means for transmitting an electromagnetic wave containing data or an electromagnetic wave containing a data read signal together with a data write signal from the transmitting means based on a command from a host device and receiving the electromagnetic wave containing data A data reader / writer provided with a processing unit for acquiring data from the data reader / writer, and is connected to the data reader / writer, transmits / receives data to / from a contact lens via the data reader / writer, and executes various processes. A contact lens data management system comprising a terminal device. 18. The database according to claim 17, further comprising: a database for storing identification data for identifying a lens, unique data for the lens, and customer data for a person who uses the lens in association with each other. Contact lens data management system. 19. A transmitting means for transmitting an electromagnetic wave containing an arbitrary signal to the outside, a receiving means for receiving an electromagnetic wave from the outside, and an electromagnetic wave containing a data read signal from the transmitting means based on a command from a host device. 19. The contact lens data management system according to claim 17, further comprising a data reader including a processing unit that acquires data from a receiving unit that has received an electromagnetic wave containing the data. 20. The unique data includes at least lens data such as manufacturer, model number, manufacturing number, and lens power,
Customer data is personal data such as name, address, telephone number,
20. The contact lens data management system according to claim 15, further comprising at least optometry data such as visual acuity, astigmatism degree, astigmatism angle, and optometry date.