Input device of coordinates


PURPOSE: To execute fine and coarse adjustment for the movement of a cursor properly by allowing a user to set up the ratio of the moving variable of the cursor to that of a mouse only by the combining operation of selecting switches. CONSTITUTION: In case of the inner processing of the mouse, pulse signals of A and B phases are generated from the mouse. The A-phase pulse and the B-phase pulse are applied to an FF-F 3 and FFs-F 4 , F 5 respectively and the moving variable and moving direction of the X direction are outputted from terminals C, B respectively. The moving variable and moving direction outputs of the Y direction are also constituted similarly and the moving direction of the Y direction is outputted from the terminal B. Outputs of the 1/2, 1/4 and 1/8 frequency of the A-phase pulse are applied from terminals QA, QB, QC of a counter CX to terminals C 3 WC 0 of a multiplexer MPX1. An X direction moving variable output from the MPX1 selects and outputs the frequency-divided outputs of the terminals C 0 WC 3 in the alternative way by the combination status of the outputs S, T of the FFs-F 1 , F 2 for detecting the setting status of switches SW 1 WSW 3 . The Y direction moving variable output also executes similar operation. COPYRIGHT: (C)1985,JPO&Japio




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    US-4891632-AJanuary 02, 1990King Phoenix Co., Ltd.Computer graphic drawing apparatus with coarse and fine controls
    US-5153571-AOctober 06, 1992Spital Sangyo Co., Ltd.Pulse number converting system for input unit of computer
    US-5963195-AOctober 05, 1999International Business Machines CorporationHardware-selectable mouse movement
    WO-9109362-A1June 27, 1991Kabushikikaisha WacomPulse count type communication system