# US 10,122,073 B2 · Antenna and timepiece > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,122,073 B2 - Document ID: US10122073B2 - Status: Granted - Kind: B2 - Application number: 15/189,204 - Filed: 2016-06-22 - Published: 2017-01-19 - Granted: 2018-11-06 - Earliest claimed: 2015-07-16 - Assignees: Casio Computer Co., Ltd. - Applicants: Casio Computer Co., Ltd. - Inventors: Takashi Sano - Web page: https://patentgrep.com/patent/US10122073B2 ## CPC - H01Q 1/273: {Adaptation for carrying or wearing by persons or animals} - H01Q 1/38: formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142)} - H01Q 9/0407: {Substantially flat resonant element parallel to ground plane, e.g. patch antenna (dipole H01Q9/285; monopole H01Q9/40)} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract An antenna-equipped cover glass for a wristwatch includes: a first insulating layer that includes a transparent insulator; a first electrode layer connected to a bottom surface of the first insulating layer, the first electrode layer having a first transparent electrode surrounded by an insulating pattern formed in a region therein; a second insulating layer connected to a bottom surface of the first electrode layer; and a second electrode layer connected to a bottom surface of the second insulating layer, the second electrode layer having a second transparent electrode surrounded by an insulating pattern formed in a region therein. ## Claims ### Claim 1 A timepiece, comprising: an antenna that comprises: a first insulating layer that includes a transparent insulator; a first electrode layer connected to a bottom surface of the first insulating layer, the first electrode layer having a first transparent electrode at least partially surrounded by an insulating pattern formed in a region of the first electrode layer; a second insulating layer connected to a bottom surface of the first electrode layer; and a second electrode layer connected to a bottom surface of the second insulating layer, the second electrode layer having a second transparent electrode at least partially surrounded by an insulating pattern formed in a region of the second electrode layer; a circuit board on which a communication circuit that performs communication via the antenna is mounted; a dial plate arranged between the antenna and the circuit board; and a connector, wherein the connector is arranged between the antenna and the circuit board, and wherein the connector includes a first terminal that connects to the first transparent electrode and a second terminal that connects to the second transparent electrode. ### Claim 2 (depends on 1) The timepiece according to claim 1, wherein the second insulating layer includes a dielectric having a permittivity that changes in accordance with a DC voltage applied to the first electrode layer and the second electrode layer. ### Claim 3 (depends on 1) The timepiece according to claim 1, wherein the insulating pattern in the first electrode layer is a filler formed in a region of the first electrode layer in which the first transparent electrode is not formed. ### Claim 4 (depends on 3) The timepiece according to claim 3, wherein a transmittance of the filler in the first electrode layer is within ±40% of a transmittance of the first transparent electrode, and wherein a refractive index of the filler in the first electrode layer is within ±40% of a refractive index of the first transparent electrode. ### Claim 5 (depends on 1) The timepiece according to claim 1, wherein the first insulating layer includes: a transparent plate; and an antireflective film formed on a surface of the transparent plate. ### Claim 6 (depends on 2) The timepiece according to claim 2, wherein the first insulating layer includes: a transparent plate; and an antireflective film formed on a surface of the transparent plate. ### Claim 7 (depends on 3) The timepiece according to claim 3, wherein the first insulating layer includes: a transparent plate; and an antireflective film formed on a surface of the transparent plate. ### Claim 8 (depends on 4) The timepiece according to claim 4, wherein the first insulating layer includes: a transparent plate; and an antireflective film formed on a surface of the transparent plate. ### Claim 9 (depends on 1) The timepiece according to claim 1, wherein the second insulating layer and the second transparent electrode have cutout portions, and wherein the cutout portions expose the first transparent electrode. ### Claim 10 (depends on 2) The timepiece according to claim 2, wherein the second insulating layer and the second transparent electrode have cutout portions, and wherein the cutout portions expose the first transparent electrode. ### Claim 11 (depends on 3) The timepiece according to claim 3, wherein the second insulating layer and the second transparent electrode have cutout portions, and wherein the cutout portions expose the first transparent electrode. ### Claim 12 (depends on 4) The timepiece according to claim 4, wherein the second insulating layer and the second transparent electrode have cutout portions, and wherein the cutout portions expose the first transparent electrode. ### Claim 13 (depends on 5) The timepiece according to claim 5, wherein the second insulating layer and the second transparent electrode have cutout portions, and wherein the cutout portions expose the first transparent electrode. ### Claim 14 (depends on 6) The timepiece according to claim 6, wherein the second insulating layer and the second transparent electrode have cutout portions, and wherein the cutout portions expose the first transparent electrode. ### Claim 15 (depends on 7) The timepiece according to claim 7, wherein the second insulating layer and the second transparent electrode have cutout portions, and wherein the cutout portions expose the first transparent electrode. ### Claim 16 (depends on 8) The timepiece according to claim 8, wherein the second insulating layer and the second transparent electrode have cutout portions, and wherein the cutout portions expose the first transparent electrode.