AU471040B2 - Improved scientific calculator - Google Patents
Improved scientific calculatorInfo
- Publication number
- AU471040B2 AU471040B2 AU68681/74A AU6868174A AU471040B2 AU 471040 B2 AU471040 B2 AU 471040B2 AU 68681/74 A AU68681/74 A AU 68681/74A AU 6868174 A AU6868174 A AU 6868174A AU 471040 B2 AU471040 B2 AU 471040B2
- Authority
- AU
- Australia
- Prior art keywords
- scientific calculator
- improved scientific
- improved
- calculator
- scientific
- 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
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G99/00—Subject matter not provided for in other groups of this subclass
- G04G99/006—Electronic time-pieces using a microcomputer, e.g. for multi-function clocks
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/0064—Visual time or date indication means in which functions not related to time can be displayed
- G04G9/007—Visual time or date indication means in which functions not related to time can be displayed combined with a calculator or computing means
-
- 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
-
- 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
- G06F15/0225—User interface arrangements, e.g. keyboard, display; Interfaces to other computer systems
-
- 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
- G06F15/025—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 adapted to a specific application
- G06F15/0258—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 adapted to a specific application for unit conversion
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36457073A | 1973-05-29 | 1973-05-29 | |
USUS364,570 | 1973-05-29 |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU10200/76A Division AU498088B2 (en) | 1976-01-12 | 1976-01-12 | Scientific calculator |
AU10230/76A Division AU498090B2 (en) | 1976-01-12 | 1976-01-12 | Scientific calculator |
Publications (2)
Publication Number | Publication Date |
---|---|
AU6868174A AU6868174A (en) | 1975-11-13 |
AU471040B2 true AU471040B2 (en) | 1976-04-08 |
Family
ID=23435094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU68681/74A Expired AU471040B2 (en) | 1973-05-29 | 1974-05-07 | Improved scientific calculator |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5653784B2 (en) |
AU (1) | AU471040B2 (en) |
CA (1) | CA1028427A (en) |
CH (1) | CH611762GA3 (en) |
DE (2) | DE2424756C3 (en) |
FR (1) | FR2232011B1 (en) |
GB (4) | GB1476951A (en) |
ZA (1) | ZA743469B (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS525565A (en) * | 1975-07-02 | 1977-01-17 | Toshiba Corp | Electric clock circuit |
US4063409A (en) * | 1976-01-05 | 1977-12-20 | Intel Corporation | Custom watch |
US4158285A (en) * | 1976-02-09 | 1979-06-19 | Hewlett-Packard Company | Interactive wristwatch calculator |
JPS6059553B2 (en) * | 1976-12-01 | 1985-12-25 | カシオ計算機株式会社 | timing device |
US4181963A (en) * | 1977-04-19 | 1980-01-01 | Casio Computer Co., Ltd. | Electronic calculator with time counting function |
JPS5451510A (en) * | 1977-09-30 | 1979-04-23 | Olympus Optical Co Ltd | Tape recorder |
DE2812242A1 (en) * | 1978-03-21 | 1979-10-04 | Bosch Gmbh Robert | PROGRAMMABLE SEQUENCE CONTROL |
DE2951162A1 (en) * | 1979-12-19 | 1981-07-02 | Casio Computer Co., Ltd., Tokyo | Power consumption control system for digital processor - has clock pulse generator disabled at pre-determined period after last key-in operation using counter circuit detector |
JPS5842499B2 (en) * | 1980-11-05 | 1983-09-20 | オムロン株式会社 | electronic cash register |
JPS57185562A (en) * | 1981-05-12 | 1982-11-15 | Casio Comput Co Ltd | Small-sized electronic calculator with program |
JPS5890262A (en) * | 1981-11-25 | 1983-05-28 | Sharp Corp | Electronic device |
JPS61180182U (en) * | 1985-04-27 | 1986-11-10 | ||
JPS6142491U (en) * | 1985-07-18 | 1986-03-19 | セイコーエプソン株式会社 | Timing device with computer |
GB2224866A (en) * | 1988-11-02 | 1990-05-16 | Julian David Williams | Improvements in or relating to an event recording device |
-
1974
- 1974-04-19 CA CA198,074A patent/CA1028427A/en not_active Expired
- 1974-04-30 GB GB1889374A patent/GB1476951A/en not_active Expired
- 1974-04-30 GB GB4614876A patent/GB1476953A/en not_active Expired
- 1974-04-30 GB GB4614776A patent/GB1476952A/en not_active Expired
- 1974-04-30 GB GB4614976A patent/GB1476954A/en not_active Expired
- 1974-05-07 AU AU68681/74A patent/AU471040B2/en not_active Expired
- 1974-05-22 CH CH708674A patent/CH611762GA3/en unknown
- 1974-05-22 DE DE2424756A patent/DE2424756C3/en not_active Expired
- 1974-05-25 DE DE2462301A patent/DE2462301C3/en not_active Expired
- 1974-05-27 FR FR7418231A patent/FR2232011B1/fr not_active Expired
- 1974-05-29 JP JP6178274A patent/JPS5653784B2/ja not_active Expired
- 1974-05-29 ZA ZA00743469A patent/ZA743469B/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB1476952A (en) | 1977-06-16 |
CH611762GA3 (en) | 1979-06-29 |
JPS5047531A (en) | 1975-04-28 |
DE2462301C3 (en) | 1978-09-28 |
DE2424756B2 (en) | 1977-10-06 |
FR2232011A1 (en) | 1974-12-27 |
DE2424756A1 (en) | 1975-01-09 |
CH611762B (en) | |
DE2462301A1 (en) | 1976-09-16 |
FR2232011B1 (en) | 1982-02-19 |
DE2462301B2 (en) | 1978-01-05 |
DE2424756C3 (en) | 1978-06-01 |
AU6868174A (en) | 1975-11-13 |
GB1476951A (en) | 1977-06-16 |
GB1476953A (en) | 1977-06-16 |
GB1476954A (en) | 1977-06-16 |
CA1028427A (en) | 1978-03-21 |
ZA743469B (en) | 1975-06-25 |
JPS5653784B2 (en) | 1981-12-21 |
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