GB1393502A - Calculators - Google Patents
CalculatorsInfo
- Publication number
- GB1393502A GB1393502A GB952973A GB952973A GB1393502A GB 1393502 A GB1393502 A GB 1393502A GB 952973 A GB952973 A GB 952973A GB 952973 A GB952973 A GB 952973A GB 1393502 A GB1393502 A GB 1393502A
- Authority
- GB
- United Kingdom
- Prior art keywords
- parameters
- characters
- type
- slides
- lines
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G1/00—Hand manipulated computing devices
- G06G1/0005—Hand manipulated computing devices characterised by a specific application
- G06G1/0047—Hand manipulated computing devices characterised by a specific application for printing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G1/00—Hand manipulated computing devices
- G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
- G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Character Spaces And Line Spaces In Printers (AREA)
- Dot-Matrix Printers And Others (AREA)
- Credit Cards Or The Like (AREA)
Abstract
1393502 Device for determining printing parameters ETAB FRESA 27 Feb 1973 [1 March 1972] 9529/73 Heading G4B [Also in Division B6] A device for determining any one of three printing parameters when the other two are known, comprises a plurality of slides, each bearing a particular value of a first of the three parameters and including values for the other two parameters, corresponding values of which are aligned transversely to the slide. The three parameters are (a) the number of type characters (including spaces) of a particular size in a single standard length line of type, (b) the number of lines of type and (c) the number of characters in a number of lines. a x b = c. As shown at window 16, there are 1155 characters in 15 lines of the standard size of type which fills one line with 77 characters. The slides may be of polygonal cross-sections other than the equilateral triangular cross-section shown and may be hollow, e.g. formed from a longitudinally folded strip of cardboard, plastics or metal. Alternatively the slides may be flat.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH301572A CH556060A (en) | 1972-03-01 | 1972-03-01 | DEVICE TO FACILITATE THE READING OF GRADUATED RULES. |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1393502A true GB1393502A (en) | 1975-05-07 |
Family
ID=4246717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB952973A Expired GB1393502A (en) | 1972-03-01 | 1973-02-27 | Calculators |
Country Status (8)
Country | Link |
---|---|
US (1) | US3831840A (en) |
JP (1) | JPS48101990A (en) |
CH (1) | CH556060A (en) |
DE (1) | DE2216407A1 (en) |
FR (1) | FR2174601A5 (en) |
GB (1) | GB1393502A (en) |
IT (1) | IT977902B (en) |
NL (1) | NL7302266A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4272674A (en) | 1977-10-31 | 1981-06-09 | Tokyo Keiki Company Ltd. | Check digit calculator |
US4419572A (en) | 1977-10-31 | 1983-12-06 | Tokyo Keiki Company Ltd. | Check digit calculator |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US67269A (en) * | 1867-07-30 | coffin | ||
US1354977A (en) * | 1916-10-03 | 1920-10-05 | Charles T Kammeyer | Type-gage |
US2643058A (en) * | 1951-07-23 | 1953-06-23 | Michael J Quillinan | Slide rule |
US3197135A (en) * | 1963-07-24 | 1965-07-27 | Turner M Osler | Slide rule |
US3272431A (en) * | 1965-07-15 | 1966-09-13 | Cesar M Dablo | Fraction-decimal calculator |
-
1972
- 1972-03-01 CH CH301572A patent/CH556060A/en not_active IP Right Cessation
- 1972-04-05 DE DE2216407A patent/DE2216407A1/en active Pending
-
1973
- 1973-02-19 NL NL7302266A patent/NL7302266A/xx unknown
- 1973-02-27 IT IT67502/73A patent/IT977902B/en active
- 1973-02-27 FR FR7306944A patent/FR2174601A5/fr not_active Expired
- 1973-02-27 GB GB952973A patent/GB1393502A/en not_active Expired
- 1973-02-28 US US00336622A patent/US3831840A/en not_active Expired - Lifetime
- 1973-02-28 JP JP2423773A patent/JPS48101990A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4272674A (en) | 1977-10-31 | 1981-06-09 | Tokyo Keiki Company Ltd. | Check digit calculator |
US4419572A (en) | 1977-10-31 | 1983-12-06 | Tokyo Keiki Company Ltd. | Check digit calculator |
Also Published As
Publication number | Publication date |
---|---|
CH556060A (en) | 1974-11-15 |
NL7302266A (en) | 1973-09-04 |
JPS48101990A (en) | 1973-12-21 |
US3831840A (en) | 1974-08-27 |
IT977902B (en) | 1974-09-20 |
DE2216407A1 (en) | 1973-09-06 |
FR2174601A5 (en) | 1973-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |