JP2017122872A5

JP2017122872A5 -

Info

Publication number: JP2017122872A5
Application number: JP2016002449A
Authority: JP
Filing date: 2016-01-08
Publication date: 2019-02-14
Anticipated expiration: 2036-01-08

Description

上記目的を達成するために、本発明に係るアクセサリ装置は、光学装置に装着可能なアクセサリ装置であって、
前記光学装置と通信する通信手段と、
前記光学装置の少なくとも一部を駆動させるために用いられる操作手段とを有し、
前記アクセサリ装置の電源状態として、通常動作状態における第一の電源状態と、前記第一の電源状態よりも消費電力が少ない第二の電源状態と、前記第一の電源状態よりも消費電力が少ない第三の電源状態とを備え、
前記第二の電源状態と前記第三の電源状態の間は遷移せず、
前記通信手段による通信に応じて前記第一の電源状態と前記第二の電源状態との間で遷移し、
前記通信手段および前記操作手段の稼働状況に応じて前記第一の電源状態から前記第三の電源状態へ遷移することを特徴としている。 To achieve the above object, an accessory device according to the present invention is an accessory device that can be attached to an optical device,
Communicate means that communicates with the optical device,
Operating means used to drive at least a part of the optical device,
As a power state of the accessory device, a first power state in a normal operation state, a second power state that consumes less power than the first power state, and less power consumption than the first power state With a third power state ,
No transition between the second power state and the third power state,
Transition between the first power state and the second power state in response to communication by the communication means;
A transition is made from the first power supply state to the third power supply state in accordance with operating conditions of the communication means and the operation means.

（ドライブユニット４の動作モード）
図４は、本実施形態におけるドライブユニット４の動作モードを示した状態遷移図である。ドライブユニット４は３つの動作モードを有し、アクセサリ装置であるドライブユニット４の電源状態としては、通常動作状態における第一の電源状態と、第一の電源状態よりも消費電力が少ない休止状態（スリープ状態）における第二の電源状態と、省電力状態における第三の電源状態と、を備える。 (Operation mode of drive unit 4)
FIG. 4 is a state transition diagram showing the operation mode of the drive unit 4 in the present embodiment. The drive unit 4 has three operation modes. The power state of the drive unit 4 that is an accessory device includes a first power state in a normal operation state and a sleep state (sleep state) that consumes less power than the first power state. ) And a third power state in the power saving state.

Claims

An accessory device that can be attached to an optical device,
Communicate means that communicates with the optical device,
Operating means used to drive at least a part of the optical device,
As a power state of the accessory device, a first power state in a normal operation state, a second power state that consumes less power than the first power state, and less power consumption than the first power state With a third power state ,
No transition between the second power state and the third power state,
Transition between the first power state and the second power state in response to communication by the communication means;
An accessory device that makes a transition from the first power supply state to the third power supply state in accordance with operating states of the communication means and the operation means.

The case where the communication by the communication means is not performed for a predetermined time, and when the operation by the operation means is not performed for a predetermined time, the transition from the first power supply state to the third power supply state is performed. The accessory device according to 1.

2. A transition from the third power supply state to the first power supply state in response to a communication performed by the communication unit or an operation performed by the operation unit. Or the accessory apparatus of 2.

It has a control means that system to control the accessory device,
4. The accessory device according to claim 1, wherein an operating frequency of the control unit is lowered in transition from the first power supply state to the third power supply state. 5.

It has a control means that system to control the accessory device,
4. The accessory device according to claim 1, wherein a part of the function of the control unit is stopped in the third power supply state. 5.

And control means that controls the accessory device,
Drive means for driving at least a part of the optical device by the operation means,
Wherein the third power state, said control means accessory device according to any one of claims 1 to 3, characterized in that cutting off the power supply to the pre-Symbol driving means.

The accessory device according to any one of claims 1 to 6, wherein the second power supply state consumes less power than the third power supply state.

The accessory device according to claim 1, wherein the optical device is a lens device.

The accessory device according to claim 8, wherein the operation unit is used to drive a lens unit related to focus adjustment of the lens device.

An optical device comprising the accessory device according to any one of claims 1 to 9.

The optical apparatus according to claim 10, wherein the optical apparatus can be attached to a photographing apparatus main body.