Accessory
AssigneeNikon Corporation
InventorTakayuki Funaoka
Life of this patent
Estimating the term…
Abstract
An accessory removably attachable to a camera body and including a plurality of terminals, includes: a first terminal; a second terminal through which a first power supply voltage is supplied from the camera body; a third terminal; a fourth terminal; a fifth terminal; a sixth terminal; an eighth terminal that receives a first clock signal of a first cycle from the camera body; a seventh terminal; a ninth terminal; a tenth terminal that outputs a second clock signal of a second cycle to the camera body, the second cycle being longer than the first cycle; and an eleventh terminal, wherein: a distance between the tenth terminal and the second terminal is longer than a distance between the eighth terminal and the second terminal.
Claims18
An accessory removably attachable to a camera body and including a plurality of terminals, the accessory comprising:
- a first terminal for causing the camera body to detect that the accessory is attached thereto;
- a second terminal through which a first power supply voltage is supplied from the camera body;
- a third terminal used for a ground potential for the first power supply voltage;
- a fourth terminal through which a second power supply voltage is supplied from the camera body;
- a fifth terminal used for a ground potential for the second power supply voltage;
- a sixth terminal used to indicate whether or not communication with the camera body is allowed;
- an eighth terminal that receives a first clock signal of a first cycle from the camera body;
- a seventh terminal that receives a first data signal in synchronization with the first clock signal from the camera body;
- a ninth terminal that outputs a third data signal to the camera body in synchronization with the first clock signal;
- a tenth terminal that outputs a second clock signal of a second cycle to the camera body, the second cycle being longer than the first cycle;
- and
- an eleventh terminal that outputs a second data signal to the camera body in synchronization with the second clock signal, wherein:
- a distance between the tenth terminal and the second terminal is longer than a distance between the eighth terminal and the second terminal.
An accessory removably attachable to a camera body and including a plurality of terminals, the accessory comprising:
- a first terminal for causing the camera body to detect that the accessory is attached thereto;
- a second terminal through which a first power supply voltage is supplied;
- a third terminal that is brought to a ground potential with respect to the first power supply voltage;
- a fourth terminal through which a second power supply voltage is supplied;
- a fifth terminal that is brought to a ground potential with respect to the second power supply voltage;
- a sixth terminal used to indicate whether or not communication with the camera body is allowed;
- an eighth terminal that receives a first clock signal of a first cycle from the camera body;
- a seventh terminal that receives a first data signal in synchronization with the first clock signal from the camera body;
- a ninth terminal that outputs a third data signal to the camera body in synchronization with the first clock signal;
- and
- an eleventh terminal that outputs a second data signal to the camera body in synchronization with a second clock signal of a second cycle to the camera body, the second cycle being longer than the first cycle, wherein:
- a distance between the eighth terminal and the second terminal is longer than a distance between the fifth terminal and the second terminal.
An interchangeable lens removably attachable to a camera body and including a terminal holding unit on which a plurality of terminals are arranged, the interchangeable lens comprising:
- a first terminal for causing the camera body to detect that the interchangeable lens is attached thereto;
- a second terminal through which a first power is supplied from the camera body;
- a third terminal used as a ground terminal corresponding to the first power;
- a fourth terminal through which a second power is supplied from the camera body;
- a fifth terminal used as a ground terminal corresponding to the second power;
- a sixth terminal used to indicate whether or not communication with the camera body is allowed;
- an eighth terminal that receives a first clock signal from the camera body;
- a seventh terminal that receives a first data signal from the camera body in synchronization with the first clock signal;
- a ninth terminal that outputs a third data signal to the camera body in synchronization with the first clock signal;
- a tenth terminal that outputs a second clock signal to the camera body;
- and
- an eleventh terminal that outputs a second data signal to the camera body in synchronization with the second clock signal, wherein:
- a distance between the tenth terminal and the second terminal is longer than a distance between the eighth terminal and the second terminal.
Dependencies are inferred from the claim text.