Design for a handheld calculator
Latest Texas Instruments Incorporated Patents:
- Method and system for ultrasound time-of-flight measurement
- “Weak” undriven state modelling for power management verification
- Methods, apparatus, and articles of manufacture to manage termination impedance in a re-driver
- Apparatus with overlapping deep trench and shallow trench and method of fabricating the same with low defect density
- Live firmware update switchover
Description
FIG. 1 is a top right perspective view of _a handheld calculator showing our new design;
FIG. 2 is a top plan view of the handheld calculator shown _in FIG. 1;
FIG. 3 is a right side elevational view of the _handheld calculator; and
FIG. 4 is a front end view of the handheld calculator.
The bottom of the handheld calculator is plain and unornamented.
Referenced Cited
Patent History
Patent number: D261773
Type: Grant
Filed: Mar 15, 1979
Date of Patent: Nov 10, 1981
Assignee: Texas Instruments Incorporated (Dallas, TX)
Inventors: Shinpei Ichikawa (Lubbock, TX), William J. Lawrence (Dallas, TX)
Primary Examiner: Louis S. Zarfas
Attorneys: Robert D. Marshall, Jr., Leo N. Heiting, Melvin Sharp
Application Number: 6/20,558
Type: Grant
Filed: Mar 15, 1979
Date of Patent: Nov 10, 1981
Assignee: Texas Instruments Incorporated (Dallas, TX)
Inventors: Shinpei Ichikawa (Lubbock, TX), William J. Lawrence (Dallas, TX)
Primary Examiner: Louis S. Zarfas
Attorneys: Robert D. Marshall, Jr., Leo N. Heiting, Melvin Sharp
Application Number: 6/20,558
Classifications
