Accessory and motor drive device for camera, and camera system
First Claim
1. An accessory capable of being connected with a camera body, said accessory comprising:
- a) a communication line for communicating information on an operation mode of said accessory from said camera body to said accessory; and
b) a determination switch for determining type of a battery connected to said accessory, wherein said determination switch is connected in series with said communication line and is arranged to be closed when a specific type of battery is connected to said accessory.
1 Assignment
0 Petitions
Accused Products
Abstract
A motor drive device capable of being connected with a camera body includes a communication line for communicating information on an operation mode of the motor drive device from the camera body to the motor drive device, a switch connected in series with the communication line and arranged to be closed when a battery connected to the motor drive device is a specific type of battery, and a control circuit which controls the motor drive device to operate in an operation mode based on the information on the operation mode communicated from the camera body when the switch is closed and to operate in a predetermined operation mode when the switch is opened.
-
Citations
18 Claims
-
1. An accessory capable of being connected with a camera body, said accessory comprising:
-
a) a communication line for communicating information on an operation mode of said accessory from said camera body to said accessory; and b) a determination switch for determining type of a battery connected to said accessory, wherein said determination switch is connected in series with said communication line and is arranged to be closed when a specific type of battery is connected to said accessory. - View Dependent Claims (2)
-
-
3. An accessory capable of being connected with a camera body, said accessory comprising:
-
a) a communication line for communicating information on an operation mode of said accessory from said camera body to said accessory; b) a determination switch for determining type of a battery connected to said accessory, wherein said determination switch is connected in series with said communication line and is arranged to be closed when a specific type of battery is connected to said accessory; and c) a circuit which causes a signal to be outputted to said camera body through said communication line to vary according to whether said determination switch is closed or opened. - View Dependent Claims (4)
-
-
5. A motor drive device capable of being connected with a camera body, said motor drive device comprising:
-
a) a communication line for communicating information on an operation mode of said motor drive device from said camera body to said motor drive device; b) a switch connected in series with said communication line and arranged to be closed when a battery connected to said motor drive device is a specific type of battery; and c) a control circuit which controls said motor drive device to operate in an operation mode based on the information on the operation mode communicated from said camera body when said switch is closed and to operate in a predetermined operation mode when said switch is opened.
-
-
6. A motor drive device capable of being connected with a camera body, said motor drive device comprising:
-
a) a communication line for communicating information on a driving speed of said motor drive device from said camera body to said motor drive device; b) a switch connected in series with said communication line and arranged to be closed when a battery connected to said motor drive device is a specific type of battery; and c) a control circuit which controls said motor drive device to operate at a driving speed based on the information on the driving speed communicated from said camera body when said switch is closed and to operate at a predetermined driving speed when said switch is opened. - View Dependent Claims (7)
-
-
8. A camera system composed of a camera body and an accessory connectable with said camera body, said camera system comprising:
-
a) a communication line for communicating information on an operation mode of said accessory from said camera body to said accessory; and b) a determination switch for determining type of a battery connected to said accessory, wherein said determination switch is connected in series with said communication line and is arranged to be closed when a specific type of battery is connected to said accessory. - View Dependent Claims (9, 10, 11)
-
-
12. A camera system composed of a camera body and an accessory connectable with said camera body, said camera system comprising:
-
a) a communication line for communicating information on an operation mode of said accessory from said camera body to said accessory; b) a determination switch for determining type of a battery connected to said accessory, wherein said determination switch is connected in series with said communication line and is arranged to be closed when a specific type of battery is connected to said accessory; and c) a circuit which causes a signal to be outputted to said camera body through said communication line to vary according to whether said determination switch is closed or opened. - View Dependent Claims (13, 14, 15)
-
-
16. A camera system composed of a camera body and a motor drive device connectable with said camera body, said camera system comprising:
-
a) a communication line for communicating information on an operation mode of said motor drive device from said camera body to said motor drive device; b) a switch connected in series with said communication line and arranged to be closed when a battery connected to said motor drive device is a specific type of battery; and c) a control circuit which controls said motor drive device to operate in an operation mode based on the information on the operation mode communicated from said camera body when said switch is closed and to operate in a predetermined operation mode when said switch is opened.
-
-
17. A camera system composed of a camera body and a motor drive device connectable with said camera body, said camera system comprising:
-
a) a communication line for communicating information on a driving speed of said motor drive device from said camera body to said motor drive device; b) a switch connected in series with said communication line and arranged to be closed when a battery connected to said motor drive device is a specific type of battery; and c) a control circuit which controls said motor drive device to operate at a driving speed based on the information on the driving speed communicated from said camera body when said switch is closed and to operate at a predetermined driving speed when said switch is opened. - View Dependent Claims (18)
-
Specification