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新版Surface筆向下相容Surface Pro3和Surface3

本版有人分享過,如何暫時關閉 Surface 螢幕的觸控能力,以避免使用 Surface 筆時誤觸。
如果 Surface 筆是電容式,那不就也無法使用了。
我是不太相信 Surface 筆是電容式啦。

dabinn wrote:
N-trig的位置...(恕刪)


N-trig確實有出過電磁式的筆,不過那是2009年以前的產品
為了避開Wacom的專利而設計的
目前都是主動式電容筆

你這邊的解釋大致都是正確的,感壓都在筆上面,怎麼解析,則落在系統端
SP4使用的觸控MCU不同於SP3,是新一代的,效能比較好一點
但是筆的核心則是一模一樣


estray wrote:
N-trig確實有...(恕刪)


原來如此啊~瞭解了
Zclub Mini-Z 討論區 歡迎來逛逛~: http://mini.zclub.com.tw        <-- 這網址夠好記吧?

Stallings wrote:
如果 Surface 筆是電容式,那不就也無法使用了。...(恕刪)


既然原本就有筆靠近的時候暫時關閉觸控的設計
那表示單獨關閉觸控原本就可行
跟筆是哪一種型式應該就沒什麼關係了
Zclub Mini-Z 討論區 歡迎來逛逛~: http://mini.zclub.com.tw        <-- 這網址夠好記吧?
看 Microsoft Surface 論壇是說 SP3 的N-trig 筆是電磁式的(EMR)
http://answers.microsoft.com/en-us/surface/forum/surfpro3-surfhardware/i-would-like-to-use-a-surface-pro-3-pen-with/0be28ae2-d930-419f-92fc-d0096b69257e?page=1
Jeffrey Roach replied on June 27, 2014 的那一篇答覆
Wacom and n-trig are both EMR Based, the difference between them is where the electronics live, on a Wacom the electronics live in the Digitizer and the pen is the passive receiver that breaks the field. On the n-trig it is the reverse, the pen has the active electronics, this is why there is a Quad-A battery in the pen (it is also why n-trig devices get better battery life and are thinner)

n-trig devices currently out there include the SP3, Sony DUO 11 and 13, Sony Tap 11, Flip 15, Acer R7 (2013 Model), Fujitsu Q702 and Q550 and Q552, Motion CL-900, HP Slate 500 and Slate 2, HTC Flyer (Android), Dell XT 1 and 2.

Synaptics and Amtel have created a new technology called Active Capacitive and currently doesn't give the best results, although Amtel has improved greatly in their v. 2 pen found on the new HP ElitePad 1000 G and Propad 610. Currently the only Synaptics Pens I'm aware of are on the Dell Venue Pro line (8 and 11).



juplin wrote:
看 Microsoft...(恕刪)


我一直沒法肯定就是兩種都有人講
像這篇最後面
http://www.windowscentral.com/surface-team-gives-awesome-answer-about-n-trig-pen-vs-wacom
Biggest surprise? N-Trig is active capacitive. I though it was an EM system like Wacom's - but with a battery rather than relying on the tablet to emit charging pulses.


去看了些圖,從原理看起來感覺像主動電容
因為他是在LCD前面裝一塊觸控/數位筆二合一的板子,不像Wacom EMR是裝在後面
而且實際用起來也沒Wacom邊緣不準的那種問題
Zclub Mini-Z 討論區 歡迎來逛逛~: http://mini.zclub.com.tw        <-- 這網址夠好記吧?
dabinn wrote:
我一直沒法肯定就是...(恕刪)

找到一篇Microsoft's CVP Panos Panay 及Surface 相關主管在 Reddit 答覆問題的文章
http://surfaceproartist.com/blog/2014/5/27/microsoft-addresses-n-trig-concerns-in-reddit-response
講到 Active Capacitive Stylus 的優缺點時,Microsoft 的Steven Bathiche (head of the Applied Sciences Group for Microsoft) 提到
Active Capacitive Stylus: 1) Precision: in the past I have seen some not so good implementations here, but I am so pumped to see our current results in Pro3. We really did move the mark here. The Pen is really much more precise, linear, and linear across the entire device. The first comment I hear from artists when they use the device, is how precise the pen is.

看答覆的用語,Microsoft 人員的確提到 Surface Pro3 用的是 Active Capacitive Stylus 。
請問新的筆也可以像pro4 一樣 吸附在surface 3平板旁嗎?
電容式的筆能做到懸空移動嗎?
我覺得這是一個判斷方式
別問我的名字,我只是個舊時代的幻影.
estray wrote:
可以的,不要問我為...(恕刪)


我的意思是筆上如果只有256階位移感測器

應該是沒法用軟體模擬出1024階

以256階來說

是0~255

0~1之間沒有東西

如果1024階在同樣的範圍內就是

0~255.75

0~1之間多了0.25 0.5 0.75

如果你壓了一個0.5的訊號出來

在256階輸出是0

在1024階則是0.5,

如果筆還是256階,軟體算成1024階

軟體怎麼知道這個0來自0.5而不是來自0 0.25 0.75?
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