tachmentdevice performsa processing preparationstep which is one of the steps for processing the eyeglass lens. Next, the lens processing device performs processing step. That is, in a case where the lens meter, the cup attachment device, and the lens processing de- vice are included in the eyeglass lens peripheral edge processing device, the eyeglass lens peripheral edge processing device performs the lensmeasurementstep, the processing preparation step, and the processi ng step,asthe plurality ofstepsforprocessingthe eyeglass lens. 

[0033] However, it is possible to omit one of the lens measurementstep and the processing preparation step. Forexample,in a case where thelensprocessing device mounts the eyeglass lens without using the cup, and in a case where the lensprocessing device includes a func- tionofattachingthe cuptotheeyeglass lens,theprocess- ing preparation step performed by the cup attachment device may be omitted (that is, the eyeglass lens periph- eral edge processing system may not include the cup attachment device). In addition, in a case where the op- tical characteristic of the eyeglass lens is recognized in advance, the lens measurement step performed by the lens meter may be omitted. In addition to the eyeglass lens,the robotarmmay move atleastone ofthe cup and an eyeglass frame, as the object. 

## <Embodiment> 

## (System Configuration) 

[0034] Hereinafter, one of typical embodiments in the presentdisclosure willbe describedwith reference to the drawings.First,referring toFIG.1,a systemconfiguration of an eyeglass lens peripheral edge processing system 100 according to the present embodiment will be de- scribed. The eyeglass lens peripheral edge processing system 100 according to the present embodiment in- cludes a plurality of eyeglass manufacturing devices 1 (1A,1B,and 1C),a robotarm3 (3A and 3B),and a control device 5 which is applied as a controller in the eyeglass lens peripheral edge processing system 100. 

[0035] Theplurality ofeyeglass manufacturing devices 1 perform mutually different steps, out of the plurality of steps for processing the peripheraledge of the eyeglass lens. In addition, each of the plurality of eyeglass manu- facturing devices 1 has a mutually different housi Each of the plurality of eyeglass manufacturing devices 1 includes a control unit (not illustrated) for performing various controls, and a memory device (not illustrated). Each memory device stores an eyeglass lens peripheral edgeprocessing programforcausing the eyeglassman- ufacturingdevice1 to performa movementprocess(refer to FIGs. 4A to 4C) to be described later. In the present embodiment,thepluralityofeyeglass manufacturingde- vices1 include a lensmeter1A,a cup attachmentdevice (blocker) 1B, and a lens processing device (lens edger) 1C. 

[0036] The lens meter 1A measures the optical char- acteristicofthe eyeglass lens.Inaddition,thelens meter 1A according to the present embodiment can measure anopticalcenteroftheeyeglass lens.The lensmeter1A includes a measurement optical system (for example, a Shack-Hartmann optical system) for measuring the op- tical characteristic of the eyeglass lens. In addition, the lens meter 1A according to the present embodiment in- cludes a point marking mechanism that marks a point at aposition ofthe opticalcenteroftheeyeglass lens which is measured by the measurement optical system. The step performed by the lens meter 1A is an example of the lens measurement step which is one of the plurality of steps for processing the peripheral edge of the eye- glass lens. 

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[0037] The lens meter 1A performs an optical charac- teristic measurement step for processing the eyeglass lens on the eyeglass lens installed at an installation po- sition 10A. When the measurement step is completed, the eyeglass lens is unloaded from the installation posi- tion 10A. The lens meter 1A according to the present embodiment can automatically perform the optical char- acteristic measurement step on the eyeglass lens in- stalled at the installation position 10A. For example, the lens meter 1A may automatically measure the optical characteristicwhile changingthe positionofthe eyeglass lens installed at the installation position 10A. In addition, the lens meter1A mayautomaticallymeasure theoptical characteristic by scanning the eyeglass lens installed at the installation position 10A with measurement light. 

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[0038] The cup attachmentdevice 1B attaches the cup to the lens surface ofthe eyeglass lens.The cup attached to the eyeglass lens is used as a jig for installing (mount- ing) the eyeglass lens on the lens processing device 1C. 

More specifically, the lens processing device 1C mounts the eyeglass lens so that the chuck shaft which pinches and holds the eyeglass lens is mounted on the cup. For example,the cupattachmentdevice 1B attachesthecup to the eyeglass lens with reference to a point marked on the optical center of the eyeglass lens by the lens meter 1A. The cup attachment device 1B according to the present embodiment automatically detects a position of the marked pointwithusing an incorporated camera,ad- justs a relative positional relationship between the eye- glass lens and the cup, and attaches the cup to the eye- glass lens. In this manner, the cup can be automatically attached to a proper position for the eyeglass lens. As a technique forautomaticallyattaching the cupto the prop- erposition ofthe eyeglasslens,forexample,atechnique disclosed in JP-A-2019-100928can be adopted.Thecup attachment device 1B may be provided with a function ofan eyeglassframe shape measurementdevice (tracer) formeasuring ashape (targetlensshape)oftheeyeglass frame.Thestepperformedbythecup attachmentdevice 1B is an example of the processing preparation step which is one of the plurality of steps for processing the peripheral edge of the eyeglass lens. 

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[0039] The cup attachmentdevice1B performs the cup 

