![]() ![]() ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: EDO CORPORATION Assigned to Exelis Inc. ![]() reassignment ITT MANUFACTURING ENTERPRISES, INC. Assignors: HILLS, CHRIS Application granted granted Critical Publication of US6373170B1 publication Critical patent/US6373170B1/en Assigned to ITT MANUFACTURING ENTERPRISES, INC. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by EDO Electro Ceramic Products filed Critical EDO Electro Ceramic Products Priority to US09/523,021 priority Critical patent/US6373170B1/en Assigned to EDO ELECTRO-CERAMIC PRODUCTS reassignment EDO ELECTRO-CERAMIC PRODUCTS ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee EDO Electro Ceramic Products Priority date (The priority date is an assumption and is not a legal conclusion. ![]() Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US09/523,021 Inventor Chris Hills Current Assignee (The listed assignees may be inaccurate. That doesn't limit this application to a 1 series camera, but if a 1 series camera is the first camera with a Global Shutter from Canon I could see this being part of that implementation.Īs with all patent applications, this is a look into Canon's research and may not end up in an actual product.- Google Patents US6373170B1 - Piezo-electric motorĭownload PDF Info Publication number US6373170B1 US6373170B1 US09/523,021 US52302100A US6373170B1 US 6373170 B1 US6373170 B1 US 6373170B1 US 52302100 A US52302100 A US 52302100A US 6373170 B1 US6373170 B1 US 6373170B1 Authority US United States Prior art keywords head piezoelectric motor block electrode Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. In the main image, this shows a 1 series camera body, with what appears to be two of these motors in both grips as well. The motor is then surrounded by rubber to isolate it from the camera (2001). In the above image, 2002 is the rubberized grip material, 2002a is where it is purposely thinned out under the motor (2003a). Where the piezoelectric motor is located, Canon makes the grip material thinner (.5mm) so that the feedback is felt by the photographer. In this case, Canon uses a rectangular motor instead of a button that sits under the rubber of the grip. In this patent application, Canon goes into more detail on how item 2001 isolates the vibration and how that is mounted to the camera, and also a different technique to pass the haptic notification to the user. Item 2001 is the silicon rubber surrounding the piezoelectric motor which isolates the vibration from the rest of the camera. Any vibration in 2002 could then be transmitted to the camera body/sensor and potentially cause motion blur. In this patent, 2002a is the piece that vibrates under your finger, and Canon wants to limit the amount of vibration that occurs to the actual grip (2002). Isolating the motor will limit the effect of motion blur that could occur by the vibration. This patent application describes a vibration motor surrounded by a rubber isolation assembly. ![]() In these patent applications, the feedback motor is underneath the grip, your middle fingers would feel the feedback as your hand grips the camera.Īccording to Canon in mangled machine translation, the purpose of these patent applications is Ī camera has been disclosed that can notify the user of the user's operation by vibration when the user operates an operating member in an environment such as a concert where no sound can be produced Perhaps they felt that caused too many issues with the shutter action, caused misfiring of the shutter over time, or had reliability issues. There was an older implementation of this that I recall that was on the shutter button. So some form of feedback that doesn't rely on the EVF isn't a bad idea, for those that find the visual feedback not enough on today's or the future's completely silent cameras.Įnter these patent applications describing two methods of adding haptic feedback into a mirrorless camera. Also, it makes no sense to remove the “click” only to have the camera have to make another noise at you either. It was easily missed, at least it was for me. I remember the first time I used an RF camera in electronic shutter mode, it was a bit confusing when a picture was taken. The visual feedback may not be enough and I'd argue it's easily missed. ![]()
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