1
Ross W Johnston, Theodore D Rees, Edward J Rhodes: Digital data tape storage system utilizing plurality of read/write heads with system diagnostic capability. R Byte, Lyon & Lyon, February 15, 1994: US05287478 (50 worldwide citation)

A complete digital data storage magnetic tape system for utilization with a host unit comprising a host device, an interface for interfacing the host unit with the DDS system, a controller for encoding and decoding data to and from the magnetic tape, an automatic track follower for performing automa ...


2
Ross W Johnston, Theodore D Rees, Edward J Rhodes: ISO/IEC compatible digital audio tape digital data storage system with increased data transfer rate. R Byte, Lyon & Lyon, April 11, 1995: US05406425 (22 worldwide citation)

The present invention provides a complete digital data storage (DDS) magnetic tape system for utilization with a host unit. The invention comprises a host device interface for interfacing the host unit with the DDS system, a controller/formatter for encoding and decoding data from and to the magneti ...


3
Roy D Thomas, Ross W Johnston: Automatic print gap adjustment arrangement. Sperry Rand Corporation, Rene A Kuypers, October 5, 1976: US03983803 (12 worldwide citation)

A mechanism is disclosed for automatically positioning the print mechanism with respect to the forms and ribbon in a printer assembly. The automatic adjustment takes place for varying thicknesses of the forms, which is a function of the number of copies being printed and the type of form, as well as ...


4
Ross W Johnston: Rotating head apparatus including a flying tape edge guide. RCA Corporation, Clement A Berard Jr, William H Meise, Christopher L Maginniss, August 11, 1987: US04686597 (10 worldwide citation)

A tape recording/retrieving system includes a tape helically-wrapped about a cylindrical headwheel. When the headwheel rotates, the tape is hydrodynamically lifted above the rotating surface of the headwheel. A plurality of tape edge guides, illustratively three, disposed about the circumference of ...


5
Ross W Johnston: High speed printing mechanism. Sperry Rand Corporation, John B Sowell, June 22, 1976: US03964384 (9 worldwide citation)

A plurality of small pin-shaped low-mass print hammers are slideably mounted in a row opposite moving type. The low-mass print hammers are individually moved a short distance from a ready position to impact the moving type by individual highspeed actuators when a selected character is juxtaposed eac ...


6
Roy D Thomas, Ross W Johnston: Automatic print gap adjustment arrangement. Sperry Rand Corporation, Rene A Kuypers, September 21, 1976: US03981235 (9 worldwide citation)

The mechanism herein relates to the automatic positioning of the print mechanism with respect to the forms and ribbon in a printer assembly. The automatic adjustment takes place for varying thicknesses of the forms, which is a function of the number of copies being printed and the type of form, as w ...


7
Ross W Johnston, Barrie W Witty: Printhead for impact printer. Sperry Rand Corporation, William E Cleaver, John B Sowell, September 21, 1976: US03981236 (5 worldwide citation)

A printhead assembly, having an individual print hammer and actuator assembly for every other column of line print, includes a low mass hammer and a hairpin spring coupled to the hammer rear portion, and an actuator assembly with side arms meeting at the arm tip for rapidly impacting characters on a ...


8
Ross W Johnston: High speed actuator for impact line printers. Sperry Rand Corporation, John B Sowell, February 28, 1978: US04075943 (3 worldwide citation)

A high-speed fast acting actuator for an impact printing mechanism. The actuator has an improved high-strength low-mass actuating arm made of magnetic material. The actuating arm comprises a uniform thickness center lever and plates of magnetic material attached at the moment arm.


9
Hill Graham E, Bailey Ross W Johnston, Hartwell Rae, Pfister Uwe: Systems and methods for isolating, compressing and retaining the structure of a fuel cell stack. Ballard Power Systems, September 3, 2003: EP1341252-A1 (2 worldwide citation)

A receptacle having an end cap, a pliable sidewall, and a fastener, for receiving and retaining a fuel cell stack in its stacked configuration during fabrication of a multi-stack fuel cell assembly, is shown and described. Methods of fabricating the assembly include stacking the fuel cell in the rec ...


10
Zhaoyu Wang, Ross W Johnston Bailey, Graham E Hill, Hong The Nguyen: Method, apparatus and article to test fuel cells. Ballard Power Systems, Seed IP Law Group PLLC, September 28, 2004: US06798221 (2 worldwide citation)

A fuel cell resistance test system includes a contact head having a plurality of spaced electrical contacts for contacting multiple ones of the fuel cells composing the stack. In one embodiment, a plurality of selectively actuable switches produce a short between respective pairs of adjacent ones of ...