# US 11,442,340 B2 · Electronic apparatus, electronic apparatus control method and storage medium > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,442,340 B2 - Document ID: US11442340B2 - Status: Granted - Kind: B2 - Application number: 17/061,428 - Filed: 2020-10-01 - Published: 2021-01-21 - Granted: 2022-09-13 - Earliest claimed: 2018-04-03 - Assignees: Canon Kabushiki Kaisha - Applicants: Canon Kabushiki Kaisha - Inventors: Atsuto Noda; Shinga Nakashima; Akira Watanabe; Takazumi Seo; Kohei Uemura; Toshihiro Ogawa; Hiroshi Toriumi - Web page: https://patentgrep.com/patent/US11442340B2 ## CPC - G03B 17/12: with means for supporting objectives, supplementary lenses, filters, masks, or turrets - B06B 1/0246: {with a feedback signal} - G03B 17/18: Signals indicating condition of a camera member or suitability of light (indicating depth of field G03B13/30) - G03B 17/56: Accessories (carrying-cases A45C11/38) - G06F 3/016: {Input arrangements with force or tactile feedback as computer generated output to the user} - H04N 23/54: Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils - H04N 23/55: Optical parts specially adapted for electronic image sensors; Mounting thereof - B06B 1/0215: {for generating pulses, e.g. bursts of oscillations, envelopes} - B06B 1/045: {using vibrating magnet, armature or coil system} - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) - B06B: METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, {e.g.} FOR PERFORMING MECHANICAL WORK IN GENERAL (for particular applications, see the relevant subclasses, e.g. B07B1/40, B23Q17/12, B24B31/06; measurement of mechanical vibrations G01H; in direction finding, locating, distance or velocity measuring G01S; {generating seismic energy G01V1/02}; control of mechanical vibrations in general G05D; sound-producing devices, e.g. bells, sirens, whistles G10K, {e.g. methods or devices for transmitting, conducting, or directing sound in general G10K11/00}; generation of electrical oscillations H03B; electromechanical resonators in general H03H; electromechanical transducers {for communication techniques, e.g. microphones, speakers} H04R) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract An electronic apparatus to which an external apparatus is detachably attachable includes a controlling unit configured to make a vibration device vibrate by using a vibration parameter corresponding to a type of the external apparatus to be attached to the electronic apparatus, the vibration device being provided on at least one of the electronic apparatus and the external apparatus. ## Claims ### Claim 1 A camera body to which an external apparatus which is at least one of a lens unit, a strobe unit, a microphone, a viewfinder unit, a tripod, and a jacket is detachably attachable, the camera body comprising: a vibration device provided on at least one of the camera body and the external apparatus; a detecting unit configured to output a detection signal indicating that the external apparatus is attached to the camera body; a vibration detecting unit configured to detect a vibration of the vibration device; and at least one processor or circuit which functions as a controlling unit configured to make the vibration device vibrate by using a vibration parameter corresponding to a type of the external apparatus to be attached to the camera body, wherein when the detection signal is acquired, the controlling unit makes the vibration device vibrate by using a vibration parameter corresponding to the type of the external apparatus to be attached to the camera body, the vibration parameter being acquired from management data relating to a vibration parameter of the vibration device, wherein when the management data does not store the vibration parameter corresponding to the type of the external apparatus to be attached to the camera body, the controlling unit makes the vibration device vibrate by using a vibration parameter corresponding to the type of the external apparatus to be attached to the camera body, the vibration parameter being acquired by performing calibration that causes the vibration device to generate a vibration, and wherein in the calibration, the controlling unit causes the vibration device to vibrate at a plurality of frequencies and acquires the vibration parameter corresponding to the type of the external apparatus to be attached to the camera body based on a detection result that the vibration detecting unit acquires when the vibration device is caused to vibrate at each of the plurality of frequencies. ### Claim 2 (depends on 1) The camera body according to claim 1, further comprising a memory unit configured to store the management data, wherein the controlling unit makes the vibration device vibrate by using a vibration parameter corresponding to the type of the external apparatus to be attached to the camera body, the vibration parameter being acquired from the management data. ### Claim 3 (depends on 1) The camera body according to claim 1, wherein the controlling unit makes the vibration device vibrate by using the vibration parameter corresponding to the type of the external apparatus to be attached to the camera body, the vibration parameter being acquired from the management data that is stored on the external apparatus to be attached to the camera body. ### Claim 4 (depends on 1) The camera body according to claim 1, wherein when a power of the camera body is turned on, the controlling unit makes the vibration device vibrate by using a vibration parameter corresponding to the type of the external apparatus to be attached to the camera body, the vibration parameter being acquired by performing the calibration that causes the vibration device to generate a vibration. ### Claim 5 (depends on 1) The camera body according to claim 1, further comprising a memory unit configured to store a detection result of the vibration detecting unit, wherein when a difference is more than a predetermined value between a detection result of the vibration detecting unit for a last vibration of the vibration device and a detection result of the vibration detecting unit for a current vibration of the vibration device, the controlling unit corrects the vibration parameter corresponding to the type of the external apparatus to be attached to the camera body based on the difference. ### Claim 6 (depends on 5) The camera body according to claim 5, wherein the controlling unit periodically makes the vibration device vibrate. ### Claim 7 (depends on 1) The camera body according to claim 1, wherein the vibration detecting unit is capable of detecting a shake of the camera body. ### Claim 8 (depends on 1) The camera body according to claim 1, wherein the vibration device is included in the external apparatus. ### Claim 9 (depends on 1) The camera body according to claim 1, wherein the vibration device is included in the camera body. ### Claim 10 (depends on 1) The camera body according to claim 1, wherein the vibration parameter includes at least one of a vibration frequency, amplitude, and duration. ### Claim 11 An electronic apparatus to which an external apparatus is detachably attachable comprising: a vibration detecting unit configured to detect vibrations of a plurality of vibration devices provided on at least one of the electronic apparatus and the external apparatus; and at least one processor or circuit which functions as a controlling unit configured to make the plurality of vibration devices vibrate by using a vibration parameter corresponding to a type of the external apparatus to be attached to the electronic apparatus, and wherein the controlling unit controls calibration on vibration parameters for the plurality of vibration devices in order that a vibration amount of the vibration detecting unit is equal to or less than a predetermined threshold. ### Claim 12 (depends on 11) The electronic apparatus according to claim 11, wherein the controlling unit controls the calibration by controlling a phase difference of driving signals of the plurality of vibration devices. ### Claim 13 (depends on 11) An optical apparatus comprising: an optical element; and an electronic apparatus according to claim 11. ### Claim 14 (depends on 11) An image pickup apparatus comprising: an image sensor configured to convert an optical image of an object into an electrical signal by a photoelectric conversion; and an electronic apparatus according to claim 11. ### Claim 15 A control method of a camera body to which an external apparatus which is at least one of a lens unit, a strobe unit, a microphone, a viewfinder unit, a tripod, and a jacket is detachably attachable, the camera body including a vibration device provided on at least one of the camera body and the external apparatus and a vibration detecting unit configured to detect a vibration of the vibration device, the control method comprising steps of: acquiring a detection signal indicating that the external apparatus is attached to the camera body; acquiring a vibration parameter corresponding to a type of the external apparatus to be attached to the camera body; and making the vibration device vibrate by using the vibration parameter, wherein when the detection signal is acquired, a vibration parameter corresponding to the type of the external apparatus to be attached to the camera body is acquired from management data relating to a vibration parameter of the vibration device, and the vibration device is made to vibrate, wherein when the management data does not store the vibration parameter corresponding to the type of the external apparatus to be attached to the camera body, a vibration parameter corresponding to the type of the external apparatus to be attached to the camera body is acquired by calibration that causes the vibration device to generate a vibration, and the vibration device is made to vibrate, and wherein in the calibration, the vibration device is caused to vibrate at a plurality of frequencies, and the vibration parameter corresponding to the type of the external apparatus to be attached to the camera body is acquired based on a detection result that the vibration detecting unit acquires when the vibration device is caused to vibrate at each of the plurality of frequencies. ### Claim 16 (depends on 15) A non-transitory computer-readable storage medium storing a computer program that causes a computer to execute the control method according to claim 15. ### Claim 17 A control method of an electronic apparatus to which an external apparatus is detachably attachable, the electronic apparatus including a vibration detecting unit configured to detect vibrations of a plurality of vibration devices provided on at least one of the electronic apparatus and the external apparatus, the control method comprising steps of: acquiring a vibration parameter corresponding to a type of the external apparatus to be attached to the electronic apparatus; making the plurality of vibration devices vibrate by using the vibration parameter; and controlling calibration on vibration parameters for the plurality of vibration devices in order that a vibration amount of the vibration detecting unit is equal to or less than a predetermined threshold.