The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 02, 2021
Filed:
Feb. 18, 2020
Nikon Corporation, Tokyo, JP;
Kazuharu Imafuji, Kawasaki, JP;
Masafumi Oikawa, Mitaka, JP;
NIKON CORPORATION, Tokyo, JP;
Abstract
An interchangeable device that is attachable to an electronic device includes a first communication unit communicating with the electronic device via a first path; and a second communication unit communicating with the electronic device via a second path. The first path includes a first contact that outputs to the electronic device a signal indicating whether it is possible to perform communication via the first path, a second contact that communicates a first clock signal with the electronic device, a third contact to which a signal is input from the electronic device synchronized with the first clock signal, and a fourth contact that outputs a signal to the electronic device synchronized with the first clock signal. The second path includes a seventh contact communicating a second clock signal with the electronic device, and an eighth contact that outputs to the electronic device a signal synchronized with the second clock signal.