CH514197A - Calcolatrice elettronica - Google Patents
Calcolatrice elettronicaInfo
- Publication number
- CH514197A CH514197A CH1607269A CH1607269A CH514197A CH 514197 A CH514197 A CH 514197A CH 1607269 A CH1607269 A CH 1607269A CH 1607269 A CH1607269 A CH 1607269A CH 514197 A CH514197 A CH 514197A
- Authority
- CH
- Switzerland
- Prior art keywords
- electronic calculator
- calculator
- electronic
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C21/00—Digital stores in which the information circulates continuously
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT5365268 | 1968-10-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH514197A true CH514197A (it) | 1971-10-15 |
Family
ID=11284364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1607269A CH514197A (it) | 1968-10-28 | 1969-10-28 | Calcolatrice elettronica |
Country Status (5)
Country | Link |
---|---|
US (1) | US3641329A (it) |
BE (1) | BE740889A (it) |
CH (1) | CH514197A (it) |
DE (1) | DE1954908A1 (it) |
FR (1) | FR2021755A1 (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4121284A (en) * | 1972-09-11 | 1978-10-17 | Hyatt Gilbert P | Computerized system for operator interaction |
US3781820A (en) * | 1972-05-30 | 1973-12-25 | Hewlett Packard Co | Portable electronic calculator |
US4181966A (en) * | 1972-12-26 | 1980-01-01 | Hewlett-Packard Company | Adaptable programmed calculator including a percent keyboard operator |
US3889241A (en) * | 1973-02-02 | 1975-06-10 | Ibm | Shift register buffer apparatus |
US3984816A (en) * | 1973-05-16 | 1976-10-05 | Texas Instruments, Inc. | Expandable function electronic calculator |
US4059750A (en) * | 1973-05-29 | 1977-11-22 | Hewlett-Packard Company | General purpose calculator having selective data storage, data conversion and time-keeping capabilities |
US4127897A (en) * | 1974-05-30 | 1978-11-28 | Hewlett-Packard Company | Programmable calculator having extended input/output capability |
US5613135A (en) * | 1992-09-17 | 1997-03-18 | Kabushiki Kaisha Toshiba | Portable computer having dedicated register group and peripheral controller bus between system bus and peripheral controller |
CN117808310A (zh) * | 2023-11-21 | 2024-04-02 | 中水珠江规划勘测设计有限公司 | 一种再生水工程的运营优化方法及系统 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3330946A (en) * | 1963-10-07 | 1967-07-11 | Wyle Laboratories | Calculator apparatus |
US3304418A (en) * | 1964-03-02 | 1967-02-14 | Olivetti & Co Spa | Binary-coded decimal adder with radix correction |
US3523282A (en) * | 1964-09-24 | 1970-08-04 | Friden Inc | Calculator |
-
1969
- 1969-10-24 US US869219A patent/US3641329A/en not_active Expired - Lifetime
- 1969-10-27 DE DE19691954908 patent/DE1954908A1/de active Pending
- 1969-10-28 BE BE740889D patent/BE740889A/xx unknown
- 1969-10-28 CH CH1607269A patent/CH514197A/it not_active IP Right Cessation
- 1969-10-28 FR FR6936999A patent/FR2021755A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
BE740889A (it) | 1970-04-01 |
DE1954908A1 (de) | 1970-05-06 |
FR2021755A1 (it) | 1970-07-24 |
US3641329A (en) | 1972-02-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |