公开(公告)号：US4496954A

公开(公告)日：1985-01-29

申请号：US450416

申请日：1982-12-16

Applicant: John W. Irwin

Inventor： John W. Irwin

IPC: B41J2/01 ,  B41J2/07 ,  B41J2/075 ,  B41M5/00 ,  G01D15/18

CPC classification number: B41J2/07

Abstract: Optimal reservoing times of an ink jet printer are determined to be when an optimal time period exceeds a fixed maximum value, where the optimal time period is proportional: to the time since last reservoing, to the usage, and to the square of temperature changes. Specifically, the optimal time period, t-opt, ist-opt=T+mC+kKKwhereT=time since last reservoing,C=usage value,K=temperature changes, andm,k=empirically-determined constants.

Abstract translation: 确定喷墨打印机的最佳保存时间是当最佳时间段超过固定的最大值时，其中最佳时间段与从上一次存储，使用以及到温度变化的平方成正比。 具体地说，最佳时间段t-opt为t-opt = T + mC + kKK，其中T =最后一次存储之后的时间，C =使用值，K =温度变化，m，k =经验确定的常数。

公开(公告)号：US4275968A

公开(公告)日：1981-06-30

申请号：US34841

申请日：1979-04-30

Applicant: John W. Irwin

Inventor： John W. Irwin

IPC: B41J29/38 ,  B41J13/00 ,  B41J19/20 ,  G06F17/00 ,  G06K15/00 ,  G06K15/06 ,  G06K15/10 ,  H04N1/04

CPC classification number: B41J19/202

Abstract: Printer having a sheet feed and drum transport assembly and an array transport assembly, these assemblies having critical operating parameters whose profile is measured during a nonprinting cycle executed for that purpose. These critical operating parameter values are sorted and used as the values of the respective critical parameters during the printing cycles after the profiling cycle. The values may be updated according to detected variances occurring during the printing cycles. In addition, the value of the paper position is determined during an initial printing cycle and stored and used in subsequent cycles.

Abstract translation: 具有片材进给和鼓传送组件和阵列传送组件的打印机，这些组件具有关键的操作参数，其轮廓在为此目的执行的非打印循环期间被测量。 这些关键操作参数值在分析周期之后的打印循环期间被分类并用作各个关键参数的值。 可以根据在打印周期期间发生的检测到的方差来更新值。 此外，纸张位置的值在初始打印循环期间确定，并在随后的循环中存储和使用。

公开(公告)号：US4218856A

公开(公告)日：1980-08-26

申请号：US945090

申请日：1978-09-25

Applicant: John W. Irwin

Inventor： John W. Irwin

IPC: E04B7/00 ,  E04B7/04 ,  F16B9/00

CPC classification number: E04B7/00 ,  Y10T403/4605

Abstract: The invention comprises an improved connector for providing a sloped roof deck between horizontal joists and a plurality of roof trusses. A plurality of sets of integral connectors are used for connecting the roof trusses to the joists with the roof trusses being in a parallel array and perpendicular to the joists. Each of the integral connectors has a base element for mounting to the joist and a support element for mounting to the roof truss with a coupling means disposed therebetween. Each set of connectors has a discrete size coupling means to dispose the support elements at different heights relative to the base elements thereby sloping the roof trusses at the acute angle relative to a horizontal. The sloped roof deck generally comprises a plurality of sheet members disposed between adjacent roof trusses of the parallel array. A hardenable roof material such as concrete or gypsum is disposed upon the plurality of sheet members and bonded to the roof trusses resulting in a sloped roof of high structural strength. The foregoing abstract is merely a resume of one general application, is not a complete discussion of all principles of operation or applications, and is not to be construed as a limitation on the scope of the claimed subject matter.

Abstract translation: 本发明包括一种改进的连接器，用于在水平托梁和多个屋顶桁架之间提供倾斜屋顶板。 多个集成的连接器用于将屋顶桁架连接到托梁，屋顶桁架处于平行阵列并垂直于托梁。 每个整体连接器具有用于安装到托梁的基座元件和用于安装到屋顶桁架的支撑元件，其间设置有联接装置。 每套连接器具有离散尺寸的联接装置，用于相对于基座部件设置不同高度的支撑元件，从而使屋顶桁架相对于水平面以锐角倾斜。 倾斜屋顶板通常包括设置在平行阵列的相邻屋顶桁架之间的多个板构件。 可硬化的屋顶材料如混凝土或石膏被设置在多个片材构件上并结合到屋顶桁架上，导致具有高结构强度的倾斜屋顶。 上述摘要仅仅是一般应用的简历，不是所有操作原理或应用的完整讨论，并不被解释为对所要求保护的主题的范围的限制。