Apparatus for extension and increase of operation control unit of electronic computer

Description

FIG. 1 is a top, front and right side perspective view of an apparatus for extension and increase of operation control unit of electronic computer showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof the left side being a mirror image;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a sectional view thereof taken along the line 7--7 in FIG. 2 with the internal mechanism being omitted; and,

FIG. 8 is a sectional view thereof taken along the line 8--8 in FIG. 2 with the internal mechanism being omitted.

Claims

The ornamental design for an apparatus for extension and increase of operation control unit of electronic computer, as shown and described.

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Inventors:	Ando; Takaharu (Ryugasaki, JP)
Assignee:	Kabushiki Kaisha Toshiba (Kanagawa, JP)
Appl. No.:	D/012,022
Filed:	August 20, 1993

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Current U.S. Class:	D14/312
Field of Search:	;D14/100,102,107-109 ;D13/162,184,199 ;312/208.1,223.2,223.3,194 ;360/97.01,97.04,98.01,99.01,99.12 ;361/600,622,724-728,683-686

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References Cited [Referenced By]

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U.S. Patent Documents

D241446	September 1976	Clowe
D295512	May 1988	Becraft et al.
D310070	August 1990	Makidera
D310998	October 1990	Lee et al.
D313404	January 1991	Myers
D314183	January 1991	Wong
D331920	December 1992	Iino
D335490	May 1993	Mesfin et al.
D342060	December 1993	Iino
D342487	December 1993	Iino

Foreign Patent Documents

	9108074		May 1992		DE
	9109097		May 1992		DE
	740409		Aug 1988		JP
	791802		Jul 1990		JP
	791816		Jul 1990		JP
	107481		Oct 1990		KR
	127189		Jan 1990		TW
	134452		May 1990		TW
	3005641S		May 1990		TW

Other References

Sony catalog, Quarter L, Sep. 1991. . Meidensha, Technical Bulletin "Medien Giho", No. 3/1986..

Primary Examiner: Nunn; Freda S.
Attorney, Agent or Firm: Banner, Birch, McKie & Beckett