Connection unit, accessory, and electronic device
AssigneeNikon Corporation
InventorsKoji OZAKI, Yasuharu SUGITA, Tomonori MIZOGUCHI, Yoshihiro MATSUMOTO, Kazuya NISHIO
Life of this patent
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Abstract
To prevent a contact from short-circuiting and breaking due to foreign matters, a connection unit 301A provided in an accessory to be attached to an imaging device includes a connection portion 39A electrically connected to the imaging device, and a plurality of contacts PA1 to PA26 provided in the connection portion and arranged in a row, wherein among the plurality of contacts, a first contact PA15 to which power is supplied from the imaging device is arranged next to an open drain contact or a contact with a reverse current prevention function.
Claims13
A connection unit provided in an accessory to be attached to an imaging device, the connection unit comprising:
- a connection portion electrically connected to the imaging device;
- and
- a plurality of contacts provided in the connection portion and arranged in a row,
- wherein among the plurality of contacts, a first contact to which power is supplied from the imaging device is arranged next to an open drain contact or a contact with a reverse current prevention function.
An electronic device having a connection portion to which an accessory is attached and which is electrically connected to the accessory,
- wherein the connection portion includes a plurality of contacts arranged in a row, and
- wherein, among the plurality of contacts, a contact used for power supply from the electronic device to the accessory is arranged next to an open drain contact or a contact with a reverse current prevention function.
An electronic device having a connection portion to which an accessory is attached and which is electrically connected to the accessory,
- wherein the connection portion includes a flexible printed circuit board and a plurality of contacts arranged in a row, and
- wherein, among the plurality of contacts, a plurality of video signal contacts for transmitting video data signals to a display accessory attached to the electronic device are collectively provided at one end side of the row.
13-15. (canceled)
Dependencies are inferred from the claim text.