FR1220423A - Digital electronic calculator - Google Patents
Digital electronic calculatorInfo
- Publication number
- FR1220423A FR1220423A FR790401A FR790401A FR1220423A FR 1220423 A FR1220423 A FR 1220423A FR 790401 A FR790401 A FR 790401A FR 790401 A FR790401 A FR 790401A FR 1220423 A FR1220423 A FR 1220423A
- Authority
- FR
- France
- Prior art keywords
- digital electronic
- electronic calculator
- calculator
- digital
- electronic
- 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
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/64—Digital differential analysers, i.e. computing devices for differentiation, integration or solving differential or integral equations, using pulses representing increments; Other incremental computing devices for solving difference equations
- G06F7/66—Digital differential analysers, i.e. computing devices for differentiation, integration or solving differential or integral equations, using pulses representing increments; Other incremental computing devices for solving difference equations wherein pulses represent unitary increments only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K21/00—Details of pulse counters or frequency dividers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
- H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Physics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9506/58A GB880014A (en) | 1958-03-25 | 1958-03-25 | Improvements relating to digital computing engines |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1220423A true FR1220423A (en) | 1960-05-24 |
Family
ID=9873284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR790401A Expired FR1220423A (en) | 1958-03-25 | 1959-03-25 | Digital electronic calculator |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1220423A (en) |
GB (1) | GB880014A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB949196A (en) * | 1959-05-19 | 1964-02-12 | Emi Ltd | Improvements in or relating to digital differential analysers |
-
1958
- 1958-03-25 GB GB9506/58A patent/GB880014A/en not_active Expired
-
1959
- 1959-03-25 FR FR790401A patent/FR1220423A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB880014A (en) | 1961-10-18 |
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