Invention Grant
- Patent Title: Circuit device, oscillation device, physical quantity measuring device, electronic apparatus, and vehicle
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Application No.: US15877684Application Date: 2018-01-23
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Publication No.: US10985928B2Publication Date: 2021-04-20
- Inventor: Masayuki Kamiyama , Toshiya Usuda , Hiroshi Kiya
- Applicant: Seiko Epson Corporation
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JPJP2017-010045 20170124,JPJP2017-205959 20171025
- Main IPC: H04L9/32
- IPC: H04L9/32 ; H03K19/003 ; G06F1/14 ; G09C1/00 ; G06F21/44
Abstract:
A circuit device includes an oscillation circuit that generates an oscillation signal by using an oscillator, a processing unit that controls the oscillation circuit, and an interface unit that outputs authentication information to an external device. The authentication information being information based on specific information of the circuit device and is used to authenticate the circuit device.
Public/Granted literature
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