assigned to the same assignee as the present invention for a more detailed description of the linear actuator disposed within the bed 12 and below the needle bar 22 for operation in association therewith is a needle plate 34 which includes a needle aperture 36 having a width sufficient to at least accommodate a single needle during maximum width zig zag motion supported beneath the bed plate 12 is a feed mechanism for feeding the work across the surface of the bed plate and includes a feed dog 38 operably connected with suitable linkage generally indicated at 40 which in turn is connected to a second linear motor or actuator 42 as described in co pending application ser no 596 683 filed july 16 1975 and assigned to the same assignee as the present invention the feed mechanism is also electronically controlled so that electronic signals are fed to the linear actuator 42 to position the feed mechanism for the desired forward or reverse feed in accordance with a selected pattern reference may be made to the aforementioned co pending application for a more detailed description of the operation and construction of the feed mechanism the feed mechanism itself forms no part of the present invention and for purposes of the present invention other suitable feed mechanism may be incorporated herein referring to fig2 illustrated therein is a schematic block diagram for the bight control portion of the sewing machine the feed control portion is not illustrated and is essentially the same as the bight control circuitry and reference to the bight control circuitry illustrated in fig2 will be sufficient for purposes of understanding either of.