持股变动信披违规，广信股份控股股东被罚100万元，公司前三季减收增利
持股变动信披违规，广信股份控股股东被罚100万元，公司前三季减收增利长川科技获专利，把数字波形与模拟波形放进同一展示界面
11月6日，长川科技（300604）的发明专利《波形展示方法、装置、电子设备及非易失性存储介质》获授权，申请号为CN202211033552.3。
测试人员发出采集请求后，系统在各采样点按给定电压范围扫描目标设备，从而得到构建模拟波形所需的数据。它还采集另一组电压数据用于数字波形。两路数据分别绘制后显示在交互界面中，使使用者可对照查看同一设备的两种信号表示。方案既涉及采集如何触发，也规定不同来源的数据如何形成各自的显示结果。
截至此次授权消息披露时，长川科技今年获得的各类专利授权共225项，比上年同期增加14.21%。在2026年上半年，公司研发投入为5.93亿元，同比增长25.38%。企业知识产权记录中，杭州长川科技股份有限公司名下可查到1460条专利信息和85条著作权信息。
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