Ascom Holding AG of Berne, Switzerland will hold only 51% of Woodcliff Lake, New Jersey-based Timeplex Inc after the $207m purchase of the business – now doing an estimated $330m a year from Unisys Corp is complete: it is being partnered on the deal by Mercedes Information Technologies Pty Ltd of Johannesburg, the firm that bought Unisys’ South African operations in 1988, which will hold a 49% stake; Unisys will continue to propose Timeplex products to its customers.