# US 12,222,246 B2 · Wearable device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,222,246 B2 - Document ID: US12222246B2 - Status: Granted - Kind: B2 - Application number: 18/330,371 - Filed: 2023-06-07 - Published: 2023-10-05 - Granted: 2025-02-11 - Earliest claimed: 2015-03-20 - Assignees: Pixart Imaging Inc. - Applicants: Pixart Imaging Inc. - Inventors: Chih-Ming Sun; Ming-Han Tsai; Cheng-Nan Tsai - Web page: https://patentgrep.com/patent/US12222246B2 ## CPC - G01J 5/0265: {Handheld, portable (ear thermometers G01J5/049)} - B81B 7/0064: {for protecting against electromagnetic or electrostatic interferences} - B81B 7/0067: {for controlling the passage of optical signals through the package} - G01J 5/041: {Mountings in enclosures or in a particular environment} - G01J 5/045: {Sealings; Vacuum enclosures; Encapsulated packages; Wafer bonding structures; Getter arrangements (getter arrangements per se H10W76/48, H10P36/03)} - G01J 5/06: Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity (for adjusting of solid angle of collected radiation G01J5/07; means for wavelength selection G01J5/0801) - H04N 5/33: Transforming infrared radiation (cameras or camera modules for generating image signals from infrared radiation H04N23/20; circuitry of SSIS for transforming infrared radiation into image signals H04N25/20) - H04N 23/57: Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices - B81B 2201/0278: Temperature sensors - G01J: MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F21, H01J, H01K, H05B; investigating properties of materials by optical means G01N) - B81B: MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES (piezoelectric, electrostrictive or magnetostrictive elements per se H10N30/00, H10N35/00) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract A wearable device includes a case and a temperature sensing device. The case has a first opening. The temperature sensing device is disposed inside the case of the wearable device. The temperature sensing device includes a first substrate, a sensor chip, and a metal shielding structure. The sensor chip is disposed on the first substrate. The metal shielding structure surrounds the sensor chip, and has a second opening. The sensor chip faces towards the first opening and the second opening. ## Claims ### Claim 1 A wearable device, comprising: a case having a first opening; and a temperature sensing device disposed inside the case of the wearable device, and the temperature sensing device including: a first substrate; a sensor chip which is disposed on the first substrate; and a metal shielding structure which surrounds the sensor chip, wherein the metal shielding structure has a second opening, and the sensor chip faces towards the first opening and the second opening. ### Claim 2 (depends on 1) The wearable device as claimed in claim 1, wherein the temperature sensing device further comprises: a second substrate disposed in the case; and a waterproof structure disposed in the first opening of the case; wherein the waterproof structure is used to enclose the case. ### Claim 3 (depends on 1) The wearable device as claimed in claim 1, wherein the sensor chip is electrically connected to the first substrate by at least one wire. ### Claim 4 (depends on 2) The wearable device as claimed in claim 2, wherein the waterproof structure is an infrared passing structure. ### Claim 5 (depends on 2) The wearable device as claimed in claim 2, wherein the first substrate is disposed on the second substrate. ### Claim 6 (depends on 1) The wearable device as claimed in claim 1, wherein the sensor chip is configured to detect a far infrared which has a wavelength ranging from 15 to 1000 μm. ### Claim 7 (depends on 1) The wearable device as claimed in claim 1, wherein the metal shielding structure is configured to block the noise generated from other sensors and external electronic products, and prevent other far infrared from passing into the case. ### Claim 8 (depends on 1) The wearable device as claimed in claim 1, wherein the case is a watch case of a smartwatch, the first substrate is a SMD substrate or a CLCC substrate, and the sensor chip is a far infrared sensor chip. ### Claim 9 (depends on 2) The wearable device as claimed in claim 2, wherein the second substrate is a PCB and the waterproof structure is a waterproof glue or a waterproof layer. ### Claim 10 A wearable device, comprising: a case having a first opening; a far infrared temperature sensing device disposed inside the case of the wearable device, and the far infrared temperature sensing device including: a first substrate; a sensor chip which is disposed on the first substrate; and a metal shielding structure which is disposed on the first substrate and surrounds the sensor chip, wherein the metal shielding structure has a second opening; and at least one of a heart sensor, a blood pressure sensor, a blood sugar sensor and a blood oxygen sensor, disposed simultaneously inside the case of the wearable device. ### Claim 11 A wearable device, comprising: a case having a first opening; a far infrared temperature sensing device disposed inside the case of the wearable device, and the far infrared temperature sensing device including: a first substrate; a sensor chip which is disposed on the first substrate; and a metal shielding structure which is disposed on the first substrate and surrounds the sensor chip, wherein the metal shielding structure has a second opening; and an optical sensor disposed inside the case of the wearable device, wherein the optical sensor is disposed outside the metal shielding structure.