This amendment adds information pertaining to Motor Vehicle Event Data Recorder Connector Lockout Apparatus (MVEDRCLA) by revision.

This standard specifies the location of the edges of the video, audio, and tracking-control records and the mechanical separation of the simultaneously recorded information of the video and audio records, as recorded on a 3/4-in type E helical-scan video tape recording cassette system, operating at ...

(1.1) This standard specifies the content of the data blocks which form the helical records as specified in ANSI/SMPTE 277M on 19-mm tape in cassettes as specified in SMPTE 226M. Part of this standard is the specification of the time and control code record, which forms the longitudinal index track,...

This standard specifies the lens markings, focal length tolerances, mounting diameters, mechanical factors in mounting additional lens adaptors to lenses, and the preferred value steps in focal lengths for lenses used in 35- and 70-mm motion-picture projectors. (Focal length referred to in this stan...

This practice recommends the relative polarity of the signals of the two audio channels of stereo television magnetic tape recorders for the purpose of stereo program exchange.