GB832670A - Indicating equipment for decimal equivalents of binary numbers - Google Patents
Indicating equipment for decimal equivalents of binary numbersInfo
- Publication number
- GB832670A GB832670A GB1917358A GB1917358A GB832670A GB 832670 A GB832670 A GB 832670A GB 1917358 A GB1917358 A GB 1917358A GB 1917358 A GB1917358 A GB 1917358A GB 832670 A GB832670 A GB 832670A
- Authority
- GB
- United Kingdom
- Prior art keywords
- decimal
- discs
- passage
- case
- binary
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/02—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word
- H03M7/06—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word the radix thereof being a positive integer different from two
- H03M7/08—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word the radix thereof being a positive integer different from two the radix being ten, i.e. pure decimal code
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
832,670. Binary to decimal code converters. STANDARD TELEPHONES & CABLES Ltd. (Lorenz A.G., C.). June 16, 1958, No. 19173/58. Class 40 (1). An optical - indicating device adapted to convert binary values into their decimal equivalent has a number of slotted discs (such as the two shown in Fig. 3) having zones, each zone having a slot and a tooth arranged in either order, and the discs are each rotatable through a slot's width to two alternative positions, representing input binary values " 1" and "0" respectively, the arrangement being such that a passage through aligned slots appears in a position corresponding to the decimal equivalent. In the simple example of Fig. 3, the two discs are slotted as shown. In the first case a where both discs are in the " 0 " position there is a through passage in the " 0 " decimal position. In case b the top disc is in the " 1 " position and a through passage appears in the " 1 " decimal position. In case c the top disc is in the " 0 " position and the lower is in the " 1 " position so that a passage appears at decimal position " 2." In case d both discs are in the " 1 " position and the passage is in the decimal 3 position. The arrangement of slots and teeth may be in accordance with the plain binary code, as in this case, or with the cyclic permuting code. Fig. 2 shows a conversion arrangement for eight digit binary numbers, there being eight discs each movable to the left to assume the " 1 " position. A through passage appears at the corresponding decimal digit for example if the first and fourth disc are moved in slot's width to the left in response to the binary,number 00001001 a passage is made in the 9 position. As shown in Fig. 4, the discs are rotated to their " 1" positions by electromagnets acting on arms 3. Lamp 4 cooperates with a reflector to project light through the passage made by aligned slots in the discs. A scale 10 on the front bears corresponding decimal numbers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1917358A GB832670A (en) | 1958-06-16 | 1958-06-16 | Indicating equipment for decimal equivalents of binary numbers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1917358A GB832670A (en) | 1958-06-16 | 1958-06-16 | Indicating equipment for decimal equivalents of binary numbers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB832670A true GB832670A (en) | 1960-04-13 |
Family
ID=10124957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1917358A Expired GB832670A (en) | 1958-06-16 | 1958-06-16 | Indicating equipment for decimal equivalents of binary numbers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB832670A (en) |
-
1958
- 1958-06-16 GB GB1917358A patent/GB832670A/en not_active Expired
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