Device showing the various types of possible chords and serving to determine their position on a table of chords, which can be used in particular to play of the accordion

• 1. 用于确定衬底上目标结构的位置的方法和设备、用于确定衬底的位置的方法和设备 [P] . 中国专利： CN109313405B . 2021.09.24
• 2. 用于确定衬底上目标结构的位置的方法和设备、用于确定衬底的位置的方法和设备 [P] . 中国专利： CN109313405A . 2019-02-05
• 3. SLIDING COMPUTATIONAL DEVICE FOR DETERMINING FINGER POSITIONS FOR SCALES AND CHORDS AND FOR DETERMINING THE TRANSPOSITION OF A MUSICAL KEY [P] . NZ245096A . 1996-09-25

  机译： 滑动计算设备，用于确定尺度和弦的手指位置以及确定音乐键的移位

• 4. Device for displaying of the various possible types of zusammenklaengen and for the determination of their position within a chord table [P] . 德国专利： DE585970C . 1933-10-16

  机译： 用于显示各种可能类型的zusammenklaengen并确定其在和弦表中的位置的设备

• 5. Device for display of chord boxes, has individual notes of chord types that are displayed on clavier movable relative to markings [P] . 德国专利： DE102010006238A1 . 2011-07-28

  机译： 用于显示和弦盒的装置，具有和弦类型的各个音符，这些音符显示在相对于标记可移动的键盘上

• 1. Design and implementation Infrared Guitar based on playing chords [C] . Setiyono Riyanto, Prihatmanto Ary Setijadi, Rusmin Pranoto Hidaya 2012 International Conference on System Engineering and Technology. . 2012
• 2. The Swiss Resonance Monochord Table: Inquiry Into the Healing Complexity and Transformative Power of Sound. [D] . Kearl, Annette M. 2017
• 3. Transcatheter devices for direct annuloplasty and chordal replacement in degenerative mitral regurgitation [O] . J. James Edelman, Christopher U. Meduri, Gerald Yong, 2021
• 4. KRUSKAL–KATONA TYPE THEOREMS FOR CLIQUE COMPLEXES ARISING FROM CHORDAL AND STRONGLY CHORDAL GRAPHS [O] . Jürgen Herzog, Takayuki Hibi, Satoshi Murai, 2008
• 5. INVESTIGATION OF AN APPROXIMATELY 0.178-CHORD-THICK NACA 6-SERIES-TYPE AIRFOIL SECTION EQUIPPED WITH SEALED INTERNALLY BALANCED 0.20-CHORD AILERONS AND WITH A 0.05-CHORD TAB [R] . Fioravante Viscpnti 1948

• 1. An Optimum Free-Table Routing Algorithms of Modified and Traditional Chordal Ring Networks of Degree Four [J] . Raja Noor Farah Azura bt Raja Maamor Shah ,Mohamed Othman ,Mohd. Hasan Selamat . 材料科学与工程：中英文版 . 2010,第010期
• 2. Fast Updating Routing Table Method Based on Chord Algorithm in Distributed Satellite Network [J] . CHEN Mo ,ZHANG Ruoyu ,PU Fangling . 上海航天(中英文) . 2020,第S01期
• 3. Improved Chord Routing Algorithm Based on the Finger Table [J] . Yu Song ,Shang Gao . 通讯和计算机 . 2013,第005期
• 4. Bandscreen MonsterTM板式超细格栅——一种新型的尤其适用于MBR工艺的污水预处理设备 [C] . 许彩霞 ,周锋 ,韩少唐 . 全国城镇污水处理及污泥处理处置技术高级研讨会 . 2009
• 5. 一种用于显示设备的低功耗MIPI接口设计 [A] . 陈昕宇 . 2020