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 Title: |
US3622768:
DUAL KEY DEPRESSION FOR DECIMAL POSITION SELECTION
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| Country: |
US United States of America
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| Inventor: |
Clark, John C.; Oakland, CA
Kuijsten, Han; Oakland, CA
Schaer, Werner; Santa Clara, CA
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| Assignee: |
SCM Corporation
other patents from SCM CORPORATION (500130) (approx. 806)
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| Published / Filed: |
1971-11-23
/ 1969-08-28
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| Application Number: |
US1969000853738
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| IPC Code: |
Advanced:
G06F 3/027;
Core:
more...
IPC-7:
G06F 13/00;
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| ECLA Code: |
G06F3/027;
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| U.S. Class: |
Current:
708/542;
Original:
235/160;
235/159;
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| Field of Search: |
235/160,159,156,61 DP,60.15,64.3
340/365
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| Priority Number: |
| 1969-08-28 |
US1969000853738 |
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| Abstract: |
Depression of a register clear key concurrently with depression of a digit key for purposes of selection of the decimal point position in a calculating machine without decimal point selection dials, levers, etc. is disclosed.
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| Attorney, Agent or Firm: |
Guibert, Armand G. ;
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| Primary / Asst. Examiners: |
Morrison, Malcolm A.; Malzahn, David H.
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| INPADOC Legal Status: |
None
Family Legal Status Report
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| Family: |
Show 11 known family members
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First Claim:
Show all 27 claims |
1. In a calculating machine having a plural-position register for storing data, the improvement comprising
- a. a plurality of data entry keys,
- b. storage means for radix point information, and
- c. means responsive to concurrent depression of at least two of said keys to store in said radix point storage means information defining the radix
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| Background / Summary: |
Show background / summary
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 3 U.S. patent(s) that reference this one
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