21. Partly because of unpredictable financial results, InterDigital  shares have been on a roller-coaster ride. 22. -- Interdigital  Comm Corp . ( IDC US ) was reinstated " accumulate " by 23. I later dropped $ 20 on a thin-necked nag with the suspicious name of Interdigital . 24. Interdigital 's chief executive officer, William Burns, said the company would appeal the decision.25. Interdigital  comb electrodes were used to produce in-plane forces and to detect in-plane movement capacitively.26. Amelio is also a member of the Board of Directors of InterDigital , a wireless R & D company. 27. Mr . Merritt served as an Executive Vice President of InterDigital  Inc . from September 1999 to January 2004. 28. In 2012, the company has collaborated with wireless technologies developer InterDigital  for a joint solution for 4G technologies. 29. In sports, athletic versions of toe socks may be useful to triathletes who suffer from frequent interdigital  friction blisters. 30. The construction of the Lange coupler is similar to the interdigital  filter with paralleled lines interleaved to achieve the coupling.