trackball

(redirected from control ball)
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trackball

a type of computer peripheral that is larger than a typical mouse having one large ball to use to move the cursor and two large buttons for click commands.
References in periodicals archive ?
Danieli selected Dresser Masoneilan to provide 36005 Series V-Max([R]) control ball valve sets for use in a critical steel manufacturing process.
Called Flowserve/Valbart Flow Control Srl, the joint venture will allow the two companies to work to deliver an innovative, cost-saving solution to oil and gas applications - a trunnion control ball valve.
The joint venture has since created a trunnion-mounted control ball valve that is designed to deliver high performance.
The Big Bertha Hawk Eye VFT Pro Series Titanium Drivers feature neutral weighting, which is intended to help professional and skilled amateur players shape and control ball flight.
Evola Ltd has developed an innovative rotary control ball valve specifically designed for flow and pressure regulating duties in the gas industry.
The "Suministro de Gas Combustible al Centro Operativo San Joaquin" natural gas pipeline project will be equipped with the Dresser Becker QTCV-T2 and QTCV-T4 quiet trim control valves, Dresser Becker RPSR rotary piston spring return actuator, Dresser Becker VRP-SB-PID valve regulator pilot, Dresser Masoneilan SVI([R]) II AP digital valve positioners, and Dresser Masoneilan V-Max control ball valve.
is offering a color brochure dedicated to its CAGE-BALL high-performance control ball valve.