# US 11,445,111 B2 · Image capture apparatus and control method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,445,111 B2 - Document ID: US11445111B2 - Status: Granted - Kind: B2 - Application number: 17/399,794 - Filed: 2021-08-11 - Published: 2022-02-17 - Granted: 2022-09-13 - Earliest claimed: 2020-08-14 - Assignees: Canon Kabushiki Kaisha - Applicants: Canon Kabushiki Kaisha - Inventors: Takamitsu Abe - Web page: https://patentgrep.com/patent/US11445111B2 ## CPC - G03B 17/56: Accessories (carrying-cases A45C11/38) - H04N 23/65: Control of camera operation in relation to power supply - G03B 15/05: Combinations of cameras with electronic flash apparatus; Electronic flash units - G03B 17/02: Bodies - G03B 17/18: Signals indicating condition of a camera member or suitability of light (indicating depth of field G03B13/30) - G03B 17/566: {Accessory clips, holders, shoes to attach accessories to camera (if integral part of camera body G03B17/02)} - H02J 7/34: Parallel operation in networks using both storage and other DC sources, e.g. providing buffering (H02J7/14 takes precedence) - H02J 7/62: against overcurrent - H02J 9/061: {for DC powered loads} - H04N 23/633: {for displaying additional information relating to control or operation of the camera} - G03B 2206/00: Systems for exchange of information between different pieces of apparatus, e.g. for exchanging trimming information, for photo finishing - G03B 2217/007: Details of energy supply or management - H02J 7/855: {with circuits adapted for supplying loads from the battery} - 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) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY ## Abstract An image capture apparatus includes a connection unit to which an accessory apparatus is connected, a communication unit that communicates with a power source that supplies power to the image capture apparatus, and a control unit that determines power suppliable to the connection unit based on a predetermined value in a case where a predetermined communication with the power source is not to be performed. The connection unit is configured to supply power from the power source to the accessory apparatus. ## Claims ### Claim 1 An image capture apparatus comprising: a connection unit to which an accessory apparatus is connected; a communication unit that communicates with a power source that supplies power to the image capture apparatus; and a control unit that determines power suppliable to the connection unit based on a predetermined value in a case where a predetermined communication with the power source is not to be performed, wherein the connection unit is configured to supply power from the power source to the accessory apparatus. ### Claim 2 (depends on 1) The image capture apparatus according to claim 1, further comprising a protection unit that blocks an electric current path from the power source to the connection unit in a case where a current higher than or equal to a setting value flows in the electric current path, wherein the control unit changes the setting value based on the predetermined value in the case where the predetermined communication with the power source is not to be performed. ### Claim 3 (depends on 1) The image capture apparatus according to claim 1, wherein the control unit determines the power suppliable to the connection unit based on power supply capacity information about the power source in a case where the predetermined communication with the power source is to be performed. ### Claim 4 (depends on 3) The image capture apparatus according to claim 3, wherein the control unit changes a setting value based on the power supply capacity information about the power source in the case where the predetermined communication with the power source is to be performed. ### Claim 5 (depends on 1) The image capture apparatus according to claim 1, further comprising a display unit that displays information indicating that supply of power to the accessory apparatus is to be limited in the case where the predetermined communication with the power source is not to be performed. ### Claim 6 (depends on 1) The image capture apparatus according to claim 1, wherein the power source is any one of a battery connected to the image capture apparatus, a battery connected to the image capture apparatus via a battery grip, or a power supply apparatus connected to the image capture apparatus. ### Claim 7 A method comprising: communicating with a power source that supplies power to an image capture apparatus; and determining power suppliable to a connection unit to which an accessory apparatus is connected based on a predetermined value in a case where a predetermined communication with the power source is not to be performed, wherein the connection unit is configured to supply power from the power source to the accessory apparatus. ### Claim 8 A non-transitory storage medium that stores a program causing a computer to execute a method, the method comprising: communicating with a power source that supplies power to an image capture apparatus; and determining power suppliable to a connection unit to which an accessory apparatus is connected based on a predetermined value in a case where a predetermined communication with the power source is not to be performed, wherein the connection unit is configured to supply power from the power source to the accessory apparatus.